Updated
PulmonxLUNG · Healthcare
$2.56+0.00%
Market cap$111M
IndustryMedical Devices

Pulmonx (LUNG) Stock

What Pulmonx's price implies, from its SEC filings.

Key numbers

P/E (trailing)
—
P/E (forward)
-3.05x
Price / free cash flow
—
EV / EBITDA
—
Revenue growth
-3.1%
Operating margin
-44.4%
Dividend yield
—
Debt / equity
1.11x

What Pulmonx's price implies

Pulmonx's free cash flow was negative in fiscal 2025, so a cash-flow reverse DCF doesn't give a meaningful answer. The Modeling tab works from revenue and margins instead.

Revenue and free cash flow

Fiscal years, from Pulmonx's 10-K filings.

Pulmonx revenue and free cash flow

FY2018–FY2025
LUNGRevenue$90MLUNGFree cash flow-$33M
Pulmonx revenue and free cash flow-$50M$0B$50M$100M20182019202020212022202320242025$90M-$33M

Results from SEC filings

All three statements · Quarters, TTM and 20+ years of statements in Investingly

Pulmonx (LUNG) revenue, net income, free cash flow, EPS and operating margin by fiscal year
Fiscal year20212022202320242025
Revenue$48M$54M$69M$84M$90M
Net income-$49M-$59M-$61M-$56M-$54M
Free cash flow-$45M-$46M-$38M-$33M-$33M
EPS (diluted)-$1.35-$1.59-$1.60-$1.44-$1.33
Operating margin-97.7%-109.3%-90.2%-68.9%-59.3%

Where the revenue comes from

By regions, fiscal 2025. By year

United States$57M63%
Europe, Middle-East and Africa (“EMEA”)$27M30%
Asia Pacific$6M7%
Other International$260,0000%

Superinvestors who own LUNG

From each investor's latest 13F filing (what a 13F shows). All 8 holders

InvestorLast quarterValue% of portfolioQuarter
PRIMECAP Management PRIMECAP Management Co Trimmed $6M0.00%Q2 2026
Acadian Acadian Asset Management Added $997,0000.00%Q3 2026
Cliff Asness AQR Capital Management Added $968,4530.0%Q2 2026
Jim Simons Renaissance Technologies Added $552,6430.00%Q2 2026
David Shaw D. E. Shaw & Co. Trimmed $425,7870.0%Q2 2026
Paul Marshall Marshall Wace New position $299,9590.0%Q2 2026
Two Sigma Two Sigma Investments Added $112,5480.0%Q2 2026
Paul Tudor Jones Tudor Investment Corp Held $14,3360.0%Q2 2026

Pulmonx insider buying

Open-market purchases by executives and directors in the last 12 months, from SEC Form 4 filings (what insider buying tells you).

No open-market insider purchases of LUNG in the last 12 months. Most insider activity is selling and option exercises, which aren't shown here.

Fundamental grade

F

Five factors scored 1 to 9 from LUNG's latest numbers. It describes the business, not whether the stock is a buy.

Valuation6
Profitability2
Growth0
Financial health6
Cash efficiency0

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How Pulmonx compares

Pulmonx's revenue growth is higher than 23% of Healthcare companies and 16% of the 3,491 companies with a revenue growth figure.

Pulmonx (LUNG) percentile ranks: share of companies with a lower figure
Higher thanHealthcareAll stocks
Revenue growth23%16%
Operating margin30%11%
ROE8%3%

Questions about Pulmonx

Are Pulmonx insiders buying the stock?

No open-market insider purchases of LUNG in the last 12 months, according to SEC Form 4 filings.

Which superinvestors own Pulmonx?

8 of the superinvestors Investingly tracks hold LUNG in their latest 13F, including PRIMECAP Management, Acadian, Cliff Asness.

Prices and ratios as of Nov 9, 2026; statements from SEC filings. Information only, not investment advice. Superinvestor holdings come from 13F filings, which are filed up to 45 days after each quarter ends.

Investingly

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