Regeneron PHARMACEUTICALS, Inc. (REGN) intrinsic value & 10-year financials

Regeneron PHARMACEUTICALS, Inc. (REGN) has a Graham intrinsic value of $1,377.79 per share. At $790.74 on Oct 17, 2026, the stock trades 43% below that value. Over the last 10 fiscal years revenue grew 12.8% a year to $14.3B, with an average return on invested capital of 23.2%.

Graham intrinsic value
$1,377.79
Share price (Oct 17, 2026)
$790.74
Price vs Graham value
43% below
Market cap
$85.9B
Revenue (FY2025)
$14.3B
Revenue growth (10-yr CAGR)
12.8%
ROIC (10-yr avg)
23.2%
Free cash flow (FY2025)
$4.1B

REGN 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $14.3B $4.5B $41.48 $4.1B 24.9% 10.1%
FY2024 $14.2B $4.4B $38.34 $3.7B 28.1% 13.2%
FY2023 $13.1B $4.0B $34.77 $3.9B 30.9% 15.8%
FY2022 $12.2B $4.3B $38.22 $4.4B 38.9% 21.1%
FY2021 $16.1B $8.1B $71.97 $6.5B 55.7% 52.7%
FY2020 $8.5B $3.5B $30.52 $2.0B 42.1% 30.4%
FY2019 $7.9B $2.1B $18.46 $2.0B 28.1% 18.9%
FY2018 $6.7B $2.4B $21.29 $1.8B 37.8% —
FY2017 $5.9B $1.2B $10.34 $1.0B 35.4% —
FY2016 $4.9B $895.5M $7.70 $961.5M 27.4% —

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

Regeneron Pharmaceuticals is a consistent compounder, expanding top-line revenue at 12.8% annually over the past decade.

Regeneron Pharmaceuticals has earned high returns on invested capital, averaging 23.2% ROIC over the available history. High ROIC is consistent with a durable franchise, but it is not by itself proof of an economic moat.

Regeneron Pharmaceuticals has not shown aggressive share repurchases (>10% retirement) or a major balance-sheet leverage increase (>50% net debt growth) over the 10-year window.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, Regeneron Pharmaceuticals is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $1377.79 per share.

REGN stock: frequently asked questions

What is the intrinsic value of Regeneron PHARMACEUTICALS, Inc. (REGN) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 15.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, REGN's intrinsic value is about $1,377.79 per share.

Is REGN stock undervalued?

At $790.74 (close on Oct 17, 2026), REGN trades 43% below its Graham value of $1,377.79. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has Regeneron PHARMACEUTICALS, Inc. grown?

Revenue went from $4.9B in fiscal 2016 to $14.3B in fiscal 2025, a compound annual growth rate of 12.8%. Net income was $4.5B in fiscal 2025.

Does Regeneron PHARMACEUTICALS, Inc. generate free cash flow?

Regeneron PHARMACEUTICALS, Inc. generated $4.1B of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 10 of the last 10 reported years.

What is REGN's return on invested capital?

Average ROIC over the last 10 fiscal years was 23.2%, and average return on equity was 25.1%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this REGN data come from?

From Regeneron PHARMACEUTICALS, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Jul 30, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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