STMicroelectronics N.V. (STM)

Semiconductores

European integrated semiconductor manufacturer emerging from the worst trough in its recent history: the operating margin fell to 1.5% in 2025 and has already recovered to 4.3% in the trailing twelve-month window ended June 27, 2026, with the second quarter growing 26.0% year over year and third-quarter guidance at $3,700M. At $52 the market is already pricing in much of the mid-cycle recovery: the estimated return is +3% annually and the verdict is Preserves value.

Moat Compounder estimates the intrinsic value of STMicroelectronics N.V. (STM) at $58 per share on a five-year horizon. With the stock at $52.24 at 2026-09-04 close, the expected total return is 2.6% per year: preserves value. The analysis draws on 20-F FY2025 and 6-K — Q2 2026 results. Analysis dated 2026-07-23.

Price
$52.24
at 2026-09-04 close
Intrinsic value (5y, base)
$58
Total annual return (5y)
2.6%
2.0% price · 0.7% div
Status (nominal)
Preserves value
Margin of safety
No margin

The essentials

  • Trailing twelve-month window ended June 27, 2026 with revenue of $13,099M and operating income of $562M (4.3%): the cycle trough is behind, with the second quarter growing 26.0% year over year and returning to positive operating income after a $133M loss a year earlier.
  • The operating margin over the last nine fiscal years ranges between 1.5% and 27.5%, averaging 15.5%: the valuation anchors to that midpoint of the range, neither to the 2025 trough nor the 2022-2023 peak.
  • The company guides third-quarter 2026 revenue to US$3,700M and gross margin to 37.0% at the midpoint, with fourth-quarter revenue above US$4,000M; and as of July 23, 2026 it raised its data center revenue ambition to above US$1,000M for 2026 and well above US$2,000M for 2027, with low-earth-orbit satellite communications as the second new growth engine.
  • Positive net financial position of $2,007M at quarter-end, after issuing a $1,500M convertible in two tranches maturing 2031 and 2033 and announcing the early redemption of the $750M convertible maturing 2027.
  • The estimated five-year return is +3% annually and the verdict is Preserves value. No margin of safety: at this price capital is preserved, but it is not bought below its value.
Health: Under watch
Price $52 at 2026-09-04 closeMarket Cap $48.5 bnEnterprise Value $46.5 bnNet cash $2 bnEV/NOPAT (today) 101.0x

Intrinsic value — two valuation methods

No margin of safety
Price market
$52
DCF value today
$48
-8.0% vs price
Multiples value today
$48
-8.5% vs price

Total return at 5 years: 2.6%/year = 2.0% appreciation + 0.7% dividend. The target price ($58) is ex-dividend; the $2 in dividends collected over 5 years are added separately.

By both methods, the value today (DCF $48 · Multiples $48) is below the market price ($52).

Pillars of the analysis

The verdict — today vs 5 years

Today — expensive, no margin of safety: at $52 trades ~9.3% above its value discounted to today (~$48); the expected return does not even reach the risk-free rate (4.5%).

At 5 years — Preserva valor: the target price ($58) 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 ~$30.

Thesis

The business

This is a mid-scale, capital-intensive integrated device manufacturer, with capital expenditure that ran near 20% of revenue between 2023 and 2025 and US$2,044M of annual research and development. Its quality is cyclical: return on invested capital at mid-cycle sits around the 10% bar, and at the trough of the current window it falls well below it. The moat exists — vertical integration, automotive qualification, a programming ecosystem — but it is narrow and stable, not a barrier that is widening.

The valuation

Valued on a multiple of after-tax operating income for the terminal year, the metric for the semiconductor archetype. The base case takes revenue from US$13,099M to US$22,495M over five years, with the operating margin converging to the midpoint of the nine-year historical range (15.5%), and applies an exit multiple at the floor of the archetype's band. The entry is bought today at 101× on a trough-of-cycle metric and compresses to 16× by year five: that compression is the entire thesis.

The margin of safety

No margin of safety: at this price capital is preserved, but it is not bought below its value. At $52 the estimated five-year value is $58 per share, leaving a return of +3% annually against a price that has already risen sharply from its fifty-two-week low. The adverse scenario returns +3% annually and the favorable one +3%: the asymmetry does not favor the buyer at this point in the cycle, because the market is already pricing in a mid-cycle recovery that is not yet in the financial statements.

What to watch

The test that decides the thesis is whether the operating margin reaches the midpoint of the historical range or stays in the low band of 2017-2020. Concretely: whether the power and discrete segment returns to positive results — it currently loses 21.4% of its revenue — and whether utilization of the new 300-millimeter and silicon carbide plants absorbs the fixed cost being built. The second test is the two new structural growth legs: data centers, with the ambition raised to above US$1,000M in 2026 and well above US$2,000M in 2027, and low-earth-orbit satellite communications.

Educational / informational. Does not constitute investment advice.

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