Microsoft (MSFT)
Software / Cloud / IA
Highest-quality franchise (Office, Azure and artificial intelligence): 5y base $614 (+3%/year with dividend) → Preserves value. The point to watch is artificial intelligence capex, which climbed to $115.9bn and drove the incremental return on capital down to 16.9% — far below the 30.8% earned by the capital already installed.
Moat Compounder estimates the intrinsic value of Microsoft (MSFT) at $614 per share on a five-year horizon. With the stock at $541.15 at 2026-10-12 close, the expected total return is 3.4% per year: preserves value. The analysis draws on 10-K FY2026 and 8-K Q4 FY2026 (earnings). Analysis dated 2026-07-29.
- Price
- $541.15
- Intrinsic value (5y, base)
- $614
- Total annual return (5y)
- 3.4%
- Status (nominal)
- Preserves value
- Margin of safety
- No margin
The essentials
- Two quality engines coexist: subscription (Microsoft 365, LinkedIn, Dynamics) and consumption (Azure, +41% in the fiscal year and passing US$100bn annually); fiscal year 2026 revenue of US$331.8bn (+17.8%, or +16% in constant currency) with an operating margin of 46.8%.
- Artificial intelligence capital expenditure climbed to US$115.9bn (against US$64.6bn the prior fiscal year) and the incremental return on capital fell to 16.9%, down from the 30.8% earned by installed capital — still above the 10% bar, but with far less headroom. It is the central disconfirmer of the thesis.
- Contracted commercial remaining performance obligation rose 84% to US$678bn: this is revenue already signed, not an extrapolated trend, and it anchors the growth projection.
- At $541 it trades at 38× maintenance free cash flow, a multiple that compresses toward 17× over five years if the business executes; the base-case total return is around +3% annually.
Intrinsic value — two valuation methods
Total return at 5 years: 3.4%/year = 2.6% appreciation + 0.9% dividend. The target price ($614) is ex-dividend; the $24 in dividends collected over 5 years are added separately.
By both methods, the value today (DCF $521 · Multiples $514) is below the market price ($541).
Pillars of the analysis
The verdict — today vs 5 years
Today — expensive, no margin of safety: at $541 trades ~5.3% above its value discounted to today (~$514); the expected return does not even reach the risk-free rate (4.5%).
At 5 years — Preserva valor: the target price ($614) plus dividends yield just enough to preserve nominal capital, below the required 4% floor.
The bridge: the return at 5 years falls below the risk-free rate (4.5%) — which is why there is not even a discount to today's value. To require a 15% annual return, it would need to be bought at ~$321.
Thesis
The business
Microsoft is one of the highest-quality franchises in the market: three segments combining recurring subscription (Microsoft 365, LinkedIn, Dynamics) and cloud consumption (Azure, the world's second platform, which passed US$100bn annually), with a 46.8% operating margin and a return on capital of 30.8%, far above the 10% bar. The OpenAI partnership and Copilot distribution across the installed base give it an artificial intelligence distribution advantage no competitor matches. This is fortress quality.
The valuation
It is valued on EV/maintenance free cash flow and owner earnings —which expense capital expenditure and stock-based compensation—, not on EV/EBITDA or reported free cash flow. With the base year set at the just-closed fiscal year 2026 (revenue $331.8bn to Jun-2026), at US$541 Microsoft trades at 38× maintenance free cash flow, a multiple that compresses toward 17× over five years as the metric grows.
The base case projects revenue growing +16% → +10% from the closed fiscal year —the starting point is constant-currency growth, not the headline—, the operating cash margin normalized at ~49.3% and terminal-year maintenance free cash flow at ~US$220bn on an exit multiple of 20×. That gives a value of ~US$614 per share over five years → a total return of ~+3% annually (+3% from price and +1% from dividend).
The margin of safety
No margin of safety: at this price capital is preserved, but it is not bought below its value. The base total return is ~+3% per year (+3% from price and +1% from dividend), read against the method's reference scale: 4% as the floor, 10% the average return of equities and 15% the threshold of a great investment. The resulting verdict is Preserves value. The quality of the business is not in question; what defines the tier is how much of that quality is already embedded in the entry price.
The element that limits the margin is the investment in artificial intelligence. It is not that it depresses cash flow —that was already known—: it is that the incremental return on capital fell to 16.9% from levels on the order of 25-30%. It remains above the hurdle, but the headroom between what new capital earns and what it costs has narrowed visibly.
What to watch
The central disconfirmer is the return on artificial intelligence capital expenditure. Fiscal year 2026 delivered the first clean measurement of a full investment cycle: US$115.9bn of capital expenditure, invested capital growing US$113.8bn and an incremental return of 16.9%. The thesis holds as long as that number stays above the 10% bar; if it keeps falling, the investment becomes malinvestment and the market re-rates the business to a cash multiple. The leading indicator argues in favour: contracted commercial remaining performance obligation rose 84% to US$678bn, with ~30% recognizable over the next twelve months. In the background: the contraction of More Personal Computing, regulatory scrutiny of the OpenAI partnership, and the fact that the fiscal year's net income includes US$5.0bn of gains from that same stake —the company itself publishes the figure excluding them, US$128.8bn—.
Educational / informational. Does not constitute investment advice.
Valuation by multiples
Discounted cash flow to present value (DCF)
Normalized owner earnings (fiscal year 2026) as the base. Move the assumptions: the value recalculates live. The verdict remains anchored by multiples; the DCF contrasts it at present value.
Risk does not inflate the rate: protection is required separately, as a margin of safety over the value. The floor avoids discounting at the pace of a depressed market rate.
| Year | Projected FCF | Discount factor | Present value |
|---|---|---|---|
| 1 | $118 bn | 0.957 | $112.9 bn |
| 2 | $131 bn | 0.916 | $119.9 bn |
| 3 | $145.4 bn | 0.876 | $127.4 bn |
| 4 | $161.4 bn | 0.839 | $135.3 bn |
| 5 | $179.1 bn | 0.802 | $143.7 bn |
Reverse DCF — what growth the price discounts
The inverse approach: instead of projecting growth to obtain the value, the market price ($541) is taken as given and it solves for what annual owner-earnings growth would need to hold for 5 years for the present value —at the method's rate (4.5%, no-growth terminal)— to equal that price. It is the disconfirmation test: the expectations the price already pays for, contrasted against the method's projection.
The implied growth (11.9%/year) is in line with our base case (11.0%/year) → the price is consistent with the projection.
That growth implies ~$186.6 bn of owner earnings in year 5 (vs ~$179.1 bn of our base case). It recalculates if the DCF assumptions are edited.
Year-by-year model
Year-by-year projection of the selected scenario. From each year, two versions of the flow are derived: growth FCF (operating flow − total capex, the cash surplus) and maintenance FCF (the owner earnings: what the business yields if it only sustains its capacity). Cash accumulates the retained surplus —what is not returned as dividend or buyback—, so that EV falls and multiples compress going forward. The valuation is done on FCF maintenance. In edit mode, revenue, margins, capex, and exit multiples can be adjusted.
| US$ bn | TTM | +1a | +2a | +3a | +4a | +5a |
|---|---|---|---|---|---|---|
| Operation (editable: revenue, margins, capex, D&A) | ||||||
| Revenue | 331.839 | 385 | 440 | 496 | 553 | 608 |
| growth | — | +16% | +14% | +13% | +11% | +10% |
| OCF | 164 | 191 | 219 | 247 | 275 | 302 |
| OCF margin | 49.3% | 49.5% | 49.7% | 49.7% | 49.7% | 49.7% |
| Total capex | 115.948 | 132 | 143 | 152 | 159 | 165 |
| Maintenance capex | 58.0 | 66.0 | 71.5 | 76.0 | 79.5 | 82.5 |
| Growth capex | 58.0 | 66.0 | 71.5 | 76.0 | 79.5 | 82.5 |
| EBIT | 155 | 184 | 214 | 246 | 277 | 307 |
| EBIT margin | 46.8% | 47.8% | 48.7% | 49.5% | 50.0% | 50.5% |
| NOPAT | 126 | 149 | 174 | 199 | 224 | 249 |
| D&A | 38.5 | 46 | 54 | 62 | 69 | 75 |
| Cash flow (the two versions) | ||||||
| FCF growth (OCF − total capex) | 47.6 | 58.6 | 75.7 | 94.5 | 116 | 137 |
| FCF maintenance (OCF − maintenance capex) | 106 | 125 | 147 | 171 | 195 | 220 |
| Owner earnings (NOPAT + D&A − maintenance capex) | 106 | 129 | 156 | 185 | 213 | 241 |
| EV and multiples (the accumulated cash lowers EV) | ||||||
| Cash | 76.8 | 92.3 | 112 | 137 | 168 | 204 |
| EV (MktCap − Cash + Debt) | 3983 | 3967 | 3947 | 3922 | 3892 | 3855 |
| EV / FCF growth | 83.6x | 67.7x | 52.2x | 41.5x | 33.6x | 28.1x |
| EV / FCF maintenance | 37.7x | 31.8x | 26.8x | 23.0x | 19.9x | 17.6x |
| EV / Owner earnings | 37.5x | 30.7x | 25.3x | 21.2x | 18.2x | 16.0x |
| EV / NOPAT | 31.7x | 26.6x | 22.7x | 19.7x | 17.4x | 15.5x |
| EV / EBIT | 25.6x | 21.6x | 18.4x | 16.0x | 14.1x | 12.6x |
| EV / Sales | 12.0x | 10.3x | 9.0x | 7.9x | 7.0x | 6.3x |
| Shareholder return | ||||||
| Dividend / share | $3.64 | $4.00 | $4.40 | $4.84 | $5.33 | $5.86 |
| Value curve (value/share at exit multiple by year) | ||||||
| Value / share (target price) | — | $376 | $446 | $518 | $570 | $614 |
| Total return vs price | — | (-18%) | (-1%) | (+5%) | (+6%) | (+7%) |
Rolling grid: the base year is the just-closed FY2026 fiscal year (revenue $331.8bn to Jun-2026, 10-K) and the projection is 12-month windows (+1y…+5y) — exactly 5 years from the last reported figure. The path starts at +16%, which is the fiscal year's constant-currency growth: the reported +17.8% includes 2 points of foreign-exchange tailwind that the 10-K itself declares, and that swing is treated separately rather than baked into the base. The end point (+10% by year 5) rests on contracted commercial RPO, which rose 84% to $678bn with an average duration of 2.3 years and ~30% recognizable over the next twelve months. The base-year cash margin is normalized at ~49.3% of OCF: the raw fiscal year came in at 55.1%, but it includes $14.2bn of deferred tax (the accelerated depreciation of artificial-intelligence capex) and $11.0bn of investment gains, neither of them recurring operating flow; that 49.3% reproduces owner earnings calculated from operating income. Capex climbed to $115.9bn and is projected to grow while losing intensity against sales (34.9% → 27.1%); EV/FCF maintenance falls from ~28× to ~13× as the metric compounds. Cash accumulates only the retained fraction of FCF (~27%), after the dividend and the real buyback ($22.3bn for the fiscal year, XBRL) — which at Microsoft offsets stock-based compensation dilution and leaves the share count nearly flat. Watch: whether Azure and artificial intelligence sustain the return on that capital.
Today's elevated multiple is the price of growth: if the business grows, the entry point cheapens on its own going forward (EV falls as cash increases). The exit multiple at 3 years is higher than the terminal at 5 years —at 3 years there is more growth still ahead—, so the value curve shows whether value creation is concentrated in the early or the later years. The required return is applied to the base scenario.
Scenarios (bear / base / bull) — at 5 years
Value sensitivity
Value per share by growth scenario (rows) and the compression or expansion of the exit multiple (columns). The color shows whether it beats the required return.
| Growth ↓ / Multiple → | Compression−15% | Base multiple | Expansion+15% |
|---|---|---|---|
| BearRevenue +11% decelerating · base 16×/17× (5y/3y) FCF maint | $321 -8.8% | $378 -5.9% | $435 -3.3% |
| BaseRevenue +16% → +10% from fiscal year 2026 · base 20×/22× (5y/3y) FCF maint | $522 0.2% | $614 3.4% · base case | $706 6.3% |
| BullRevenue +19% → +14% · base 24×/26× (5y/3y) FCF maint | $782 8.4% | $920 11.9% | $1,058 15.0% |
Multiples — today
High today = growth is being paid for; they cheapen toward 3 and 5 years (see Projections).
Forward multiples
With today's price fixed and the metric growing, what multiple is being paid at 3 and 5 years. Today's high multiple is the price of growth: if the business grows, the entry multiple cheapens on its own.
Optionalities
They are valued separately, with their own rationale, and are not incorporated into the base or the verdict (they are excess return). When assigning them value — in Editmode —, the total with optionalities updates live, without moving the base.
The verdict, the base CAGR, and the margin of safety are always calculated on the base; optionalities do not alter them (with optionalities at $0 they do not move).
Maximum price to pay today — by required return
Each card fixes a required annual return and answers: if the business is worth $614 in 5 years, what is the maximum that can be paid today to obtain that return? Since it now trades at $541, the margin of safety is how much cheaper the market is than that maximum. The three thresholds: 4% covers inflation (the floor), 10% is the long-term average return, and 15% is the level of a great investment.
Return and margin of safety calculator
The maximum price to pay today to earn the required return, with the dividend collected as a separate flow. Both controls are editable.
With a target price of $614 in 5 years plus $24 of dividends collected (the dividend adds to the return, not to the price) and a required return of 4.5% annually, the maximum to pay today is $514. Against the current market price ($541), the margin of safety is -5.3% (trades above the maximum → a premium is paid) and the total return at that price would be 3.4% annually.
Valuation quality
- Anchor: forward multiple on owner earnings. It is valued on EV/maintenance free cash flow and owner earnings —which expense capital expenditure and stock-based compensation—, not on EV/EBITDA or reported free cash flow; at $541 the entry multiple of 38× compresses toward 17× if growth holds.
- The discounted cash flow converges. The discounted cash flow (at the method's risk-free rate) also gives a value above the price, though below the one the exit multiple produces — the two methods point in the same direction with different headroom.
- Sensitivity — the return on capital expenditure decides. If the incremental return on artificial intelligence capital expenditure keeps falling toward the 10% bar, the exit multiple compresses and the result approaches the adverse scenario, with a considerably lower return than the base case.
- Margin of safety at the end. The base total return (+3%) is measured with the hurdle at the end, not concatenated into each assumption, and is contrasted against the reference scale: 4% floor, 10% average return and 15% great investment.
- Optionalities kept separate. The OpenAI stake and Copilot's pricing levers are valued apart from the base case (default zero), without contaminating the exit multiple or the verdict.
ROIC vs the 10% bar — the compounding engine
The quality bar — return bands
The return on capital is judged against absolute bands; the value-creation floor is the market's opportunity cost (~10%). A stock's volatility does not measure business risk.
ROIC 31% → exceptional (≥20%). The bar is a measure of business quality, not the method's discount rate: value is discounted to today at the risk-free rate, and protection is required separately, as a margin of safety.
Owner earnings — the waterfall
It charges maintenance capex (which EBITDA does not deduct). The growth capex ($58 bn) is voluntary and is not charged to the base — it depresses FCF today, creates value tomorrow.
Cash & reinvestment
Margins — trajectory
Each margin over sales, year by year: historical (solid line) → projection (dotted).
Owner earnings — the detail
Business quality
- ✓ ROIC exceeds the cost of capital (~10%)
- ✓ High incremental ROIC (compounding)
- ✓ CFROIC backs up the ROIC (85%, cash vs. accruals)
- ✓ Healthy balance sheet (low corporate debt)
- ✓ Durable competitive moat (multiple advantages)
Quality — cash · ROIC · reinvestment
- Strong, predictable cash flow. The fiscal year's operating cash flow (US$182.9bn) is real, not inflated by float; but it includes US$14.2bn of deferred tax from accelerated depreciation of capital expenditure and US$11.0bn of investment gains, neither recurring — which is why the model's base year normalizes the cash margin to ~49.3% rather than the raw 55.1%.
- Sustainably high ROIC. Level of 30.8% on the balance sheet's real invested capital; cash flow return on invested capital stays close to the accounting return, meaning profitability is backed by cash and not by accruals.
- Creates economic value. The return on capital comfortably exceeds the 10% bar (the market's opportunity cost): economic profit is amply positive. Reinvesting above that threshold is the engine of compounding.
- Reinvestment runway. Broad for as long as artificial intelligence computing demand lasts (Azure +41%, US$678bn of contracted revenue); the limit is whether the industry, collectively, over-invests in capacity — and this fiscal year's incremental return (16.9%) suggests the compression has already begun.
- Accounting distortions to watch. Artificial intelligence capital expenditure suppresses reported free cash flow (owner earnings, not EBITDA, is the correct metric); net income includes US$5.0bn of gains from the OpenAI stake; and operating cash flow carries US$14.2bn of deferred tax that is a payment timing difference, not profitability.
Revenue trajectory
Values in US$ bn. The % over each bar is the year-over-year (YoY) growth — each year, historical and projected, vs the prior one (the TTM vs the TTM from a year ago). The path comes from the same source as the table; years without their own series in the model are interpolated between the anchors. Historical solid, projection in a lighter shade.
Where the growth comes from · by segment
Weight in revenue and year-over-year (YoY) growth, in reported USD.
Weighted by each segment's share at the start of the fiscal year. Intelligent Cloud grew 29.7%, but Azure —the heaviest component within the segment— grew considerably faster (+41%); the rest of the segment (server products, enterprise services) dilutes the average. Productivity and Business Processes (+15.9%) supplies the greatest recurrence. More Personal Computing (Windows, gaming, devices) contracted 1.1% and subtracts from the consolidated figure. Of the +17.8% reported, 2 points come from the favourable currency tailwind the Form 10-K discloses.
Growth engine — operating drivers
Annual levels from the official filing (10-K); the % over each bar is the year-over-year (YoY) growth vs the prior year.
Microsoft's engine is the cloud: Microsoft Cloud went from US$111.6bn to US$214.4bn between fiscal years 2023 and 2026, and Intelligent Cloud —where Azure sits— is the fastest-growing segment (+30% in the fiscal year, with Azure passing US$100bn annually). The model combines volume (Microsoft 365 seats, Azure consumption) times price, with the artificial intelligence layer (Copilot and Azure AI) as incremental monetization over the installed base. Productivity and Business Processes supplies the recurrence of software, while More Personal Computing (Windows, gaming, advertising) is contracting. Commercial remaining performance obligation (US$678bn, +84%) is revenue already contracted and not yet recognized: it underpins the growth projection without extrapolating the trend, although with a weighted average duration of 2.3 years only ~30% is recognized within the next twelve months.
Projections
| Metric | FY23 | FY24 | FY25 | TTM | +1A | +2A | +3a | +4A | +5a |
|---|---|---|---|---|---|---|---|---|---|
Revenue | $211.9 bn | $245.1 bn (+16%) | $281.7 bn (+15%) | $331.8 bn (+18%) | $385 bn (+16%) | $440 bn (+14%) | $496 bn (+13%) | $553 bn (+11%) | $608 bn (+10%) |
Gross profit | $146.1 bn | $171 bn (+17%) | $193.9 bn (+13%) | $225.5 bn (+16%) | $257.8 bn (+14%) | $294.7 bn (+14%) | $337 bn (+14%) | $372.6 bn (+11%) | $412 bn (+11%) |
Gross margin | 68.9% | 69.8% (+1pp) | 68.8% (-1pp) | 67.9% (-1pp) | 67.9% (+0%) | 67.9% (+0%) | 67.9% (+0%) | 67.8% (-0%) | 67.8% (-0%) |
Op income | $88.5 bn | $109.4 bn (+24%) | $128.5 bn (+17%) | $155.2 bn (+21%) | $180.9 bn (+17%) | $210.7 bn (+17%) | $245.5 bn (+17%) | $274.5 bn (+12%) | $307 bn (+12%) |
Net income | $72.4 bn | $88.1 bn (+22%) | $101.8 bn (+16%) | $133.7 bn (+31%) | $149.6 bn (+12%) | $167.2 bn (+12%) | $187 bn (+12%) | $208.3 bn (+11%) | $232 bn (+11%) |
Microsoft Cloud | $111.6 bn | $137.7 bn (+23%) | $168.9 bn (+23%) | $214.4 bn (+27%) | $253.6 bn (+18%) | $300.1 bn (+18%) | $355 bn (+18%) | $404.1 bn (+14%) | $460 bn (+14%) |
OCF | $87.6 bn | $118.5 bn (+35%) | $136.2 bn (+15%) | $182.9 bn | $202.1 bn (+10%) | $223.2 bn (+10%) | $246.5 bn (+10%) | $272.9 bn (+11%) | $302.2 bn (+11%) |
FCF maintenance | $73.5 bn | $96.3 bn (+31%) | $103.9 bn (+8%) | $105.6 bn | $124.6 bn (+18%) | $147.2 bn (+18%) | $170.5 bn (+16%) | $195.3 bn (+15%) | $219.7 bn (+12%) |
Capex | $28.1 bn | $44.5 bn (+58%) | $64.6 bn (+45%) | $115.9 bn | $132 bn (+14%) | $143 bn (+8%) | $152 bn (+6%) | $159 bn (+5%) | $165 bn (+4%) |
The % are the annual (year-over-year) growth: each year —historical and projected— vs the prior one; the TTM (trailing 12m) vs the TTM of a year ago, to avoid overlapping windows. The historicals are exact figures from the official filings; the projected years come from the year-by-year model (the intermediate years without their own series are interpolated between the anchors). The projected columns (+1y…+5y) are 12-month windows counted from the TTM close (30-jun-2026): the projection starts from the most recently reported data, not the fiscal year. The projected base is realistic and unbiased — the risk discount is applied at the end, via the required return. The rationale for each metric is in the (i).
Growth quality
- Real growth, not nominal. Revenue +17.8% reported and +16% in constant currency: the Form 10-K discloses 2 points of favourable currency tailwind, which the projection treats as a separate swing rather than baking it into the base.
- Where the engine comes from. Azure —inside Intelligent Cloud— is the engine (+41% in the fiscal year, passing US$100bn annually), driven by artificial intelligence computing consumption; Productivity and Business Processes supplies the recurrence of subscription.
- Realistic deceleration. The base case starts at +16% (the fiscal year's constant-currency growth, not the +17.8% headline) and falls to +10% by year 5 — it decelerates from recent real growth and does not extrapolate the Azure acceleration.
- Backed by contracted revenue. Commercial remaining performance obligation rose 84% to US$678bn with a weighted average duration of 2.3 years and ~30% recognizable within twelve months: the projection rests on revenue already signed, not on an extrapolated trend.
- Capital cycle / competition. The whole industry's artificial intelligence infrastructure capital expenditure is unprecedented; if computing supply outstrips demand, cloud pricing could compress despite volume. More Personal Computing, moreover, is already contracting.
Moat strength
The business and its moat
The business: what it does and how it makes money
Microsoft organizes its revenue into three segments. Productivity and Business Processes ($140.0bn, ~42% of revenue) groups Microsoft 365 / Office (the productivity suite, sold by recurring subscription to businesses and consumers), LinkedIn (the professional network) and Dynamics (ERP/CRM). Intelligent Cloud ($137.8bn, ~42%) is the heart of growth: Azure (the public cloud platform, billed by consumption) plus server products (Windows Server, SQL Server) and enterprise services. More Personal Computing ($54.1bn, ~16%) brings together Windows (original equipment manufacturer and commercial licences), Gaming (Xbox and Activision Blizzard), search (Bing / Copilot) and Surface devices.
The revenue model combines two engines of the highest quality: subscription (M365, Dynamics, LinkedIn — recurring and predictable income) and consumption (Azure — which grows with the customer's computing usage, today driven by artificial intelligence workloads). In fiscal year 2026 revenue was US$331.8bn (+17.8%, or +16% net of the 2 points of favourable currency tailwind that the Form 10-K itself discloses) with an operating margin of 46.8% (US$155.2bn of operating income) — exceptional profitability for a company of this scale.
Scale and competitive position
Microsoft is the world's second cloud platform: Azure captures approximately 25% of the cloud infrastructure market, behind Amazon Web Services (~30%) and ahead of Google Cloud. In fiscal year 2026 Azure grew +41% and passed US$100bn of annual billings for the first time, with the closing quarter accelerating to +43%. In productivity, Office / Microsoft 365 is the de facto enterprise standard: practically no organization operates without the suite, which gives it an installed base of hundreds of millions of paying users.
The competitive differentiator is artificial intelligence. The OpenAI partnership (Microsoft is its largest investor and its computing provider on Azure) and the integration of Copilot across the entire installed base (M365, Windows, GitHub, Azure) give it an artificial intelligence distribution channel no competitor matches in breadth. Microsoft 365 Copilot passed 30 million paid seats. The strategy monetizes artificial intelligence through two channels: higher price per seat in productivity and higher computing consumption in the cloud.
The moat: why it's hard to compete
Microsoft's moat is among the widest that exist and rests on four pillars. First, extreme switching costs: migrating a business off Office, Windows or Azure means retraining staff, rewriting integrations and risking operational continuity — a cost almost no organization takes on. Second, network effects: Office file formats, the Azure developer ecosystem and the LinkedIn professional network become more valuable the more they are used. Third, scale: global data center infrastructure demands a capital investment only two or three companies in the world can sustain. Fourth, ecosystem: the integration across products (Windows, Office, Azure, Teams, GitHub) generates combined value that the competition's standalone pieces do not replicate.
The result is a business with a 46.8% operating margin, a return on invested capital of 30.8% —far above the 10% bar— and recurring, predictable cash flows. The contracted evidence of that durability is commercial remaining performance obligation: US$678bn of revenue already signed and not yet recognized, with a weighted average duration of 2.3 years.
Moat direction and threats
The moat is intact and holds: the artificial intelligence distribution advantage over the installed base is real, but the direction depends on unprecedented capital investment: capital expenditure climbed to US$115.9bn in the fiscal year, against US$64.6bn the prior year and US$44.5bn two years earlier, to build artificial intelligence computing capacity. The malinvestment test applies here: the investment creates value only if the incremental return on that capital exceeds the opportunity cost. This year's measurement leaves the central nuance of the thesis: the incremental return fell to 16.9% —against the 30.8% earned by already installed capital—, so it still creates value above the 10% bar but with a considerably smaller margin than before the investment cycle. With profit per dollar invested falling, there is no unit-economics gap opening.
The other threats are cloud competition (Amazon Web Services keeps the lead; Google Cloud invests aggressively), regulatory risk (scrutiny of the OpenAI partnership, market power in productivity and cloud licensing practices in Europe) and the contraction of More Personal Computing, which fell ~1% in the fiscal year and ~4% in the closing quarter.
Business / sector quality
- Relevant in 10 years / recurrence. Enterprise software and cloud are the world's computing infrastructure; Microsoft 365 and Azure are de facto standards with rising adoption. Commercial remaining performance obligation of US$678bn is recurrence already contracted.
- Market share / position. Azure is the world's second cloud platform (~25% share, behind Amazon Web Services ~30%) and passed US$100bn annually; Microsoft 365 is the de facto standard in enterprise productivity.
- Pricing power. High: Copilot is sold as a price increase per seat over the Microsoft 365 installed base (more than 30 million paid seats); Azure bills by consumption, which rises with artificial intelligence computing demand.
- Operating leverage. Strong: the operating margin held at 46.8% in the fiscal year even with artificial intelligence capital expenditure soaring — the software and cloud cost structure scales with revenue.
- Supply-side / capital cycle. The sector attracts an unprecedented wave of capital into artificial intelligence infrastructure; Microsoft funds its share from internal cash, but the compression of the incremental return (16.9% this fiscal year) is exactly what the capital cycle predicts when investment enters a sector.
- Behavior in recession. Subscription software is defensive (multi-year contracts, high recurrence); Azure consumption and spending on devices and gaming are more cyclical, and the latter is already contracting.
Solvency margin
Each pillar between danger and solid — the further right, the more room.
The cushion against the contraction phase of the cycle: the further right each pillar sits, the more room before solvency is compromised.
Net cash position
Cash + liquid investments − debt. The backstop that supports the balance sheet during the contraction phase of the cycle.
Debt composition
Not all debt is equal: only the structural needs refinancing; the rest is operational (self-liquidating).
Structural debt is what is exposed to the contraction phase of the cycle; operational debt (leases, matched funding) self-liquidates with the business.
Company health / solvency
- ✓Leverage (net debt / EBITDA)Net cash $36.5 bn
- ✓Interest coverage (EBIT / interest)77.6x
- !Liquidity (current ratio)1.23×
- ✓Cash quality (CFROIC vs ROIC)CFROIC backs 85% of ROIC
- ✓Value creation (ROIC − 10% bar)+21pp
- !Malinvestment test (capex vs incremental ROIC)Strong investment mode 3.0x
- –Float / working capitalNeutral WC
- !Dilution (SBC % of revenue + shares)SBC 3.7% of revenue
A traffic-light interpreted by the method (not generic): float (negative WC) adds up, capex is judged by incremental ROIC (malinvestment test), and a lender is not subjected to corporate solvency. The (i) shows the derivation of each number.
Health — balance sheet risks
- Fortress balance sheet. Cash and short-term investments of US$76.8bn against debt of US$40.3bn — positive net cash of ~US$36.5bn; artificial intelligence capital expenditure is funded without leveraging the balance sheet.
- No pressing maturity wall. Low corporate debt relative to the size of the business, with ample repayment capacity from operating cash flow (US$182.9bn in the fiscal year).
- Concentration of investment asset. Capital expenditure is concentrated in a single asset type (artificial intelligence data centers) and net fixed assets climbed to US$313.1bn; if demand disappoints, the resale value of that capacity is limited.
Who runs it
- Under Nadella (since 2014) Microsoft transformed from a Windows/Office licensing business into a leader in cloud (Azure) and artificial intelligence — one of the most successful corporate reinventions in recent history.
- Total shareholder return under his tenure has been exceptional (market capitalization multiplied several times over), widely beating the S&P 500.
- A historical record of capital allocation discipline (rising dividend + buybacks + selective acquisitions such as LinkedIn and Activision); artificial intelligence capital expenditure (US$115.9bn in the fiscal year) is today the factor that determines whether that discipline holds.
Capital allocation — indicators
The quality test: it reinvests at 17% vs the 10% bar (market opportunity cost) → each $1 retained creates value.
Shares — ownership and dilution
Who owns the shares — the alignment and whether there is a controlling shareholder.
Minimal dilution: SBC represents less than 2% of value per year and the share count is ~flat — it does not erode value per share.
Management / capital allocation
- Capital allocation (ROIC). Return on invested capital of 30.8%, far above the 10% bar; a record of selective acquisitions (LinkedIn, Activision Blizzard) and sustained buybacks. Artificial intelligence capital expenditure (US$115.9bn in the fiscal year) is the test under way: the incremental return fell to 16.9%.
- Alignment / skin in the game. Low insider ownership (under 1%); Nadella is not a controlling founder. Alignment comes from the track record of execution rather than from ownership.
- Integrity / communication. It communicates artificial intelligence capital expenditure with verifiable tracking metrics (Azure growth, contracted remaining performance obligation, operating margin) and publishes net income excluding the OpenAI gains (US$128.8bn against US$133.7bn reported) — a transparency that makes the business easier to read.
- Acquisitions / diworsification. Selective and disciplined acquisitions (LinkedIn in 2016, Activision Blizzard in 2023), both within the circle of competence; no diversification outside the core business.
Why it is not cheap
- The market is paying for revenue already under contract rather than for an extrapolation of the trend: commercial RPO rose 84% to US$678bn, nearly twice annual billings. A contracted base of that size sustains the multiple even as reported free cash flow falls.
- The price embeds a reading of artificial intelligence capex as investment rather than deterioration. Reported free cash flow came in at US$67.0bn —below the US$73bn of the prior year— but the operating margin held at 46.8% and Azure grew +41% in the year, accelerating to +43% in the closing quarter: the market looks through the decline in cash flow to the capacity being built.
- On reported earnings the multiple appears cheaper than it is: the year's net income includes US$5.0bn of gains from the OpenAI stake (growth is 31% with those gains and 22% without them, and the company itself publishes the figure excluding them, US$128.8bn). Part of the price rests on an earnings line flattered by a result that is not operating.
- Predictability is paid for in a company of this scale: positive net cash of ~US$36.5bn, capex financed without leveraging or diluting, and a buyback that neutralizes the dilution from stock-based compensation.
The method's question is whether the market's perception is appreciably worse than reality, and at this price the honest answer is that it is not clearly so: the market already recognizes the contracted revenue and already looks through the decline in free cash flow. Where perception and reality can still diverge is the return on new capital —the incremental fell to 16.9%— but that gap can resolve in either direction today. Without an identifiable source of discount, the price should be treated as full rather than as an opportunity.
Return asymmetry — risk/reward
The annual return (CAGR at 5 years) in each scenario, with the total period return below — the margin of safety made visual: upside range wide, downside range narrow.
Even in the bear scenario, the return holds at -6%/year (-26% total): the margin of safety protects the downside. The bull (+12%/year, +76% total) exceeds it comfortably — a favorable asymmetry, with a narrow downside range and a wide upside range.
Bear case — disconfirmation
- Artificial intelligence capital expenditure turns into malinvestment: the incremental return on capital already fell to 16.9% in fiscal year 2026 (against 30.8% for installed capital) while invested capital grew US$113.8bn. If the next measurement leaves it below the 10% bar, free cash flow stays permanently suppressed and the market re-rates Microsoft as a capital-intensive business with mediocre returns.
- Azure decelerates: the +41% growth depends on artificial intelligence demand continuing to exceed installed capacity; if the industry's computing supply catches up with demand, or customers migrate workloads toward cheaper providers, the fastest-growing segment starts growing at the pace of a mature business.
- Contracted remaining performance obligation does not convert into revenue at the expected pace: with a weighted average duration of 2.3 years and only ~30% recognizable over the next twelve months, much of the backlog depends on customers actually consuming the committed capacity; a renegotiated or more slowly consumed multi-year commitment stretches the conversion.
- More Personal Computing contracts (−1% in the fiscal year, −4% in the closing quarter) and drags the consolidated figure: Windows and gaming no longer contribute growth and their deterioration forces the cloud to compensate ever more.
- Regulatory scrutiny hardens: the OpenAI partnership, market power in enterprise productivity and cloud licensing practices in Europe are subject to investigations that could force structural changes or material penalties.
Bull case — the thesis for
- Revenue is already contracted: commercial remaining performance obligation rose 84% to US$678bn, almost twice annual billings. This is signed growth, not extrapolated, and it underpins the projection with a base almost no company of this scale can show.
- The artificial intelligence distribution advantage is the broadest in the market: Copilot passed 30 million paid seats over a Microsoft 365 installed base of hundreds of millions, and Azure is OpenAI's computing infrastructure — two monetization channels (price per seat and consumption) that no competitor matches in breadth.
- Capital expenditure is funded from internal cash and without leveraging the balance sheet (positive net cash of ~US$36.5bn): the malinvestment risk does not compromise solvency, and the fiscal year's signals —Azure +41% accelerating to +43% in the quarter, operating margin intact at 46.8%— confirm that demand absorbs the installed capacity.
- The operating leverage of the subscription business sustains a 46.8% margin even with infrastructure capital expenditure soaring; as the pace of investment loses intensity over sales, that margin translates into growing free cash flow.
- The moat —extreme switching costs, network effects and an integrated ecosystem— is among the widest in the market: practically no organization migrates off the platform, which gives revenue predictability years out.
Risks — what breaks the base case
- The return on AI capital expenditure compresses. Capital expenditure climbed to US$115.9bn and the incremental return on capital fell to 16.9% (against 30.8% for installed capital). It remains above the 10% bar, but the compression is the central risk of the case: if it continues, cash flow stays suppressed without the offsetting growth.
- Azure deceleration. The +41% growth depends on artificial intelligence computing demand continuing to exceed installed capacity; saturation would compress the fastest-growing segment.
- Conversion of contracted revenue. Only ~30% of the US$678bn commercial remaining performance obligation is recognized over the next twelve months; the rest depends on customers actually consuming the committed capacity across an average of 2.3 years.
- More Personal Computing is contracting. The segment fell ~1% in the fiscal year and ~4% in the closing quarter (Windows to original equipment manufacturers −7%, Xbox content −10%): it no longer contributes growth and forces the cloud to compensate.
- Net income with investment gains. The fiscal year's net income includes US$5.0bn of gains from the OpenAI stake; without them growth is 22% rather than 31%.
- Regulation / antitrust. Scrutiny of the OpenAI partnership, market power in productivity and cloud licensing practices in Europe.
Lenses — the value investing thinkers
Each thinker's analytical framework applied to our data.
Mixed quality and a demanding price: little in its favor.
- Buffett / Graham Quality + margin of safety
A wide moat and ROIC 31% above the 10% bar, but the price sits above value (no margin) → great business, expensive.
- Peter Lynch Growth at a reasonable price (GARP)
A fast grower growing 11% at a multiple/growth of 3.4 → expensive for its growth.
- Joel Greenblatt Cheap and high-return (Magic Formula)
Earnings yield 4% (EBIT/EV) + ROIC 31% → falls outside the Magic Formula.
- Howard Marks Perception vs reality + cycle
The price discounts 12%, in line with our 11%: perception and reality aligned.
- Seth Klarman Capital protection (bear scenario)
Bear-scenario floor -7%/yr, bull-scenario ceiling +11%/yr over 5y: reasonable asymmetry, without an ample cushion.
- Pat Dorsey Moat strength (Five Rules)
A wide moat, stable; sources: switching costs, network effects, efficient scale, intangibles → passes the Five Rules.
- Aswath Damodaran Expectations implied by the price
Justifying the price requires discounting 12%, within what we project (11%) — the story squares with the numbers.






