Pulmonx Corp (LUNG) intrinsic value & 10-year financials

Pulmonx Corp (LUNG) has no Graham intrinsic value right now because the formula needs positive earnings. Over the last 9 fiscal years revenue grew 24.1% a year to $90.5M, with an average return on invested capital of -49.5%.

Graham intrinsic value
—
Share price (Oct 17, 2026)
$1.78
Market cap
$72.4M
Revenue (FY2025)
$90.5M
Revenue growth (9-yr CAGR)
24.1%
ROIC (10-yr avg)
-49.5%
Free cash flow (FY2025)
-$32.8M

LUNG 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $90.5M -$54.0M -$1.33 -$32.8M -59.3% -97.5%
FY2024 $83.8M -$56.4M -$1.44 -$33.0M -68.9% -80.3%
FY2023 $68.7M -$60.8M -$1.60 -$38.4M -90.2% -84.5%
FY2022 $53.7M -$58.9M -$1.59 -$46.4M -109.3% -82.3%
FY2021 $48.4M -$48.7M -$1.35 -$45.1M -97.7% -106.8%
FY2020 $32.7M -$32.2M -$3.16 -$31.5M -98.8% 36.7%
FY2019 $32.6M -$20.7M — -$21.5M -54.7% 9.1%
FY2018 $20.0M -$18.5M — -$18.7M -75.2% 9.5%
FY2017 — — — — — —

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

Executive summary

Pulmonx Corp revenue growth over the past decade is N/A; insufficient history prevents a reliable 10-year CAGR calculation.

Pulmonx Corp has historically struggled to out-earn its cost of capital, averaging just -49.5% ROIC.

Pulmonx Corp capital allocation metrics are N/A for the decade; share count and net debt history are incomplete.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, Pulmonx Corp is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $-44.18 per share.

LUNG stock: frequently asked questions

What is the intrinsic value of Pulmonx Corp (LUNG) stock?

Graham's formula only works with positive earnings. Pulmonx Corp reported diluted EPS of -$1.33 in fiscal 2025, so no Graham value is shown. The 10-year table shows revenue and cash-flow trends instead.

Does Pulmonx Corp generate free cash flow?

Pulmonx Corp generated -$32.8M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 0 of the last 8 reported years.

What is LUNG's return on invested capital?

Average ROIC over the last 9 fiscal years was -49.5%, and average return on equity was -47.2%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this LUNG data come from?

From Pulmonx Corp'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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