Fortinet, Inc. (FTNT) intrinsic value & 10-year financials

Fortinet, Inc. (FTNT) has a Graham intrinsic value of $80.38 per share. At $169.13 on Oct 17, 2026, the stock trades 110% above that value. Over the last 10 fiscal years revenue grew 20.4% a year to $6.8B, with an average return on invested capital of -305.5%.

Graham intrinsic value
$80.38
Share price (Oct 17, 2026)
$169.13
Price vs Graham value
110% above
Market cap
$129.3B
Revenue (FY2025)
$6.8B
Revenue growth (10-yr CAGR)
20.4%
ROIC (10-yr avg)
-305.5%
Free cash flow (FY2025)
$2.2B

FTNT 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $6.8B $1.9B $2.42 $2.2B 30.7% -587.8%
FY2024 $6.0B $1.7B $2.26 $1.9B 30.3% -266.3%
FY2023 $5.3B $1.1B $1.46 $1.7B 23.4% -127.1%
FY2022 $4.4B $857.3M $1.06 $1.4B 21.9% -445.6%
FY2021 $3.3B $606.8M $0.73 $1.2B 19.5% 397.6%
FY2020 $2.6B $488.5M $0.58 $957.8M 20.5% -2294.6%
FY2019 $2.2B $326.5M $0.37 $715.8M 16.0% 228.0%
FY2018 $1.8B $332.2M $0.38 $585.9M 12.8% 28.9%
FY2017 $1.5B $31.4M $0.04 $459.1M 7.3% 7.7%
FY2016 $1.3B $32.2M $0.04 $278.5M 3.4% 3.8%

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

Executive summary

Fortinet is a consistent compounder, expanding top-line revenue at 20.4% annually over the past decade.

Fortinet has historically struggled to out-earn its cost of capital, averaging just -11.6% ROIC.

Over the decade, Fortinet shows that management has aggressively returned capital to shareholders by retiring 13.3% of outstanding shares.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, Fortinet is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $80.38 per share.

FTNT stock: frequently asked questions

What is the intrinsic value of Fortinet, Inc. (FTNT) 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, FTNT's intrinsic value is about $80.38 per share.

Is FTNT stock undervalued?

At $169.13 (close on Oct 17, 2026), FTNT trades 110% above its Graham value of $80.38. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Fortinet, Inc. grown?

Revenue went from $1.3B in fiscal 2016 to $6.8B in fiscal 2025, a compound annual growth rate of 20.4%. Net income was $1.9B in fiscal 2025.

Does Fortinet, Inc. generate free cash flow?

Fortinet, Inc. generated $2.2B 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 FTNT's return on invested capital?

Average ROIC over the last 10 fiscal years was -305.5%, and average return on equity was 70.6%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this FTNT data come from?

From Fortinet, Inc.'s annual 10-K filings on SEC EDGAR. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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