Pulmonx Corp (LUNG) stock

LUNGNasdaqSurgical & Medical Instruments & ApparatusFiscal year ends December 31

Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 3, 2026Score 6/3040% below fair value

$2.86−0.14 (-4.67%)

Close on Nov 13, 2026Market cap $122.83MP/E –Yield –

Pulmonx statistics

86 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings: Mar 3, 2027 (estimated, during market hours)
Last ex-dividend date: No dividends
Fundamentals through: Sep 30, 2026
Share price as of: Nov 13, 2026

Valuation ratiosIndustry

Market Cap: $122.83M; $498.53M
Enterprise Value: $107.95M; $433.11M
PS Ratio: 1.38; 2.94
PB Ratio: 3.59; 3.24
P/TBV Ratio: 3.85; 4.81

Enterprise valuationIndustry

EV / Sales: 1.22; 2.60

Share statisticsIndustry

Shares Outstanding: 43M; 43M
Shares Change (YoY): 5.00%; 3.32%
Shares Change (QoQ): 1.40%; 0.20%
Float: 36M; 37M
Shares Held by Insiders: 16.6%; 10.5%
Shares Held by Institutions: 61.0%; 60.5%

Short sellingIndustry

Short Interest: 787,512; –
Short Interest Change: 12.7%; -2.57%
Short % of Float: 2.20%; 5.11%
Short % of Shares Outstanding: 1.83%; 3.98%
Days to Cover: 1.00; 3.94

Stock price statisticsIndustry

52-Week High: $3.25; –
52-Week Low: $1.13; –
20-Day Moving Average: $2.47; –
50-Day Moving Average: $2.14; –
200-Day Moving Average: $1.70; –
Average True Range (14): $0.27; –
Price Change (1 Week): 11.7%; 0.99%
Price Change (1 Month): 54.6%; -3.52%
Price Change (3 Months): 28.3%; -7.86%
Price Change (6 Months): 125.2%; -1.12%
Price Change (YTD): 29.4%; -2.92%
Price Change (1 Year): 45.9%; -1.37%
Price Change (3 Years): -74.0%; 3.24%
Price Change (5 Years): -92.9%; -50.4%
Average Volume (10 Days): 871,643; –
Average Volume (20 Days): 1M; –
Average Volume (90 Days): 651,990; –
Relative Volume: 1.07; 0.76
Relative Strength Index (14): 61.4; 46.7
Volatility (1 Year): 98.5%; 64.2%
Beta (5 Years): 1.73; 1.04

MarginsIndustry

Gross Margin: 77.4%; 55.9%
Operating Margin: -44.4%; -5.12%
Pretax Margin: -47.2%; -2.32%
Profit Margin: -47.9%; -9.29%
EBITDA Margin: -44.4%; -2.52%
FCF Margin: -28.8%; 0.65%

Returns on capitalIndustry

Return on Equity (ROE): -90.3%; -17.3%
Return on Assets (ROA): -34.2%; -12.3%
Return on Invested Capital (ROIC): -155.9%; -2.83%
Return on Capital Employed (ROCE): -44.0%; -8.13%

Financial positionIndustry

Current Ratio: 4.05; 2.49
Quick Ratio: 3.12; 1.53
Debt / Equity: 1.11; 0.42
Interest Coverage: -9.39; -1.63

GrowthIndustry

Revenue Growth (YoY): -3.15%; 9.42%
Revenue Growth (3Y CAGR): 19.0%; 7.08%
Revenue Growth (5Y CAGR): 22.6%; 11.8%

EfficiencyIndustry

Asset Turnover: 0.71; 0.59
Inventory Turnover: 1.27; 2.20
Revenue Per Employee: $299.92K; $331.99K
Profits Per Employee: -$143.76K; -$46.47K
Employee Count: 296; 193
WACC: 12.6%; 9.91%

Income statement (TTM)Industry

Revenue: $88.78M; $108.17M
Gross Profit: $68.73M; $62.29M
Operating Income: -$39.41M; -$3.72M
Pretax Income: -$41.93M; -$1.83M
Net Income: -$42.55M; -$6.19M
EBITDA: -$39.41M; -$1.98M
EPS (Diluted): -$1.01; -$0.11

Balance sheetIndustry

Cash & Short-Term Investments: $52.69M; $38.97M
Total Debt: $37.81M; $96.00M
Net Cash (Debt): $14.88M; $3.95M
Net Cash Per Share: $0.35; $0.26
Equity (Book Value): $34.20M; $63.80M
Book Value Per Share: $0.80; $3.26
Tangible Book Value: $31.87M; $11.61M
Working Capital: $63.32M; $57.32M

Cash flow (TTM)Industry

Operating Cash Flow: -$25.58M; -$483.87K
Capital Expenditures: -$31.00K; -$3.94M
Free Cash Flow: -$25.61M; -$238.00K
FCF Per Share: -$0.60; -$0.00

Dividends and yieldsIndustry

Earnings Yield: -34.6%; -4.76%
FCF Yield: -20.8%; 0.28%

Taxes and interestIndustry

Interest Expense: $4.20M; $5.40M
Income Tax: $619.00K; $1.55M

Scores and fair valueIndustry

Altman Z-Score: -5.75; 2.47
Piotroski F-Score: 3; 5

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

Period	LUNG	S&P 500	Difference	LUNG per year	S&P 500 per year
1 month	+62.5%	-3.0%	+65.5 pts
3 months	+32.4%	-2.8%	+35.2 pts
Year to date	+29.4%	+11.5%	+17.9 pts
1 year	+79.9%	+13.5%	+66.4 pts
3 years	-71.5%	+77.7%	−149.2 pts	-34.2%	+21.1%
5 years	-92.9%	+72.6%	−165.5 pts	-41.1%	+11.5%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

1M LUNG shares were sold short on Oct 30, 2026, up 12.7% from the previous report, or 2.20% of the shares available to trade. At recent volumes it would take 1.0 days to buy them back. Over the last 20 sessions, 42.7% of the volume reported to FINRA was short selling.

Settlement date	Shares short	Change	Avg. daily volume	Days to cover
Oct 30, 2026	787,512	+12.7%	1,597,120	1.0
Oct 15, 2026	698,644	-13.0%	274,705	2.5
Sep 30, 2026	802,733	-5.3%	251,008	3.2
Sep 15, 2026	847,842	-13.2%	337,301	2.5
Aug 31, 2026	976,237	-8.5%	377,844	2.6
Aug 14, 2026	1,066,574	+0.6%	900,647	1.2
Jul 31, 2026	1,060,166	+0.4%	730,617	1.4
Jul 15, 2026	1,056,246	-8.1%	227,542	4.6
Jun 30, 2026	1,148,892	-49.2%	862,593	1.3
Jun 15, 2026	2,263,505	-19.7%	314,151	7.2
May 29, 2026	2,817,660	+4.3%	417,128	6.8
May 15, 2026	2,700,321	-24.2%	567,004	4.8