Pulmonx Corporation (LUNG) Ownership
LUNG ownership summary
as of October 18, 2026- Institutions
- 62.8% of shares outstanding
- Insiders
- 4.64% of shares outstanding
- Shares outstanding
- 42.2M
- Float
- 37.6M shares available to trade
- Short interest
- 2.21% 803K shares short
- Days to cover
- 2.70 short interest down 5.3% vs prior month
- Institutions 62.77%
- Insiders 4.64%
- Other investors 32.59%
LUNG top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | PRIMECAP Management Company | 10.74% | 4.6M | $8.2M | −112,660 (−2.4%) | June 30, 2026 |
| 2 | Morgan Stanley - Brokerage Accounts | 6.81% | 2.9M | $5.2M | −1.1M (−26.8%) | June 30, 2026 |
| 3 | Soleus Capital Management, L.P. | 6.49% | 2.8M | $5.0M | — | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 3.80% | 1.6M | $2.9M | −4,045 (−0.2%) | June 30, 2026 |
| 5 | ExodusPoint Capital Management, LP | 2.85% | 1.2M | $2.2M | −720,279 (−37.1%) | June 30, 2026 |
| 6 | Almitas Capital LLC | 2.48% | 1.1M | $1.9M | +1.1M (0.0%) | June 30, 2026 |
| 7 | BlackRock Inc | 2.05% | 882K | $1.6M | −1.8M (−66.8%) | June 30, 2026 |
| 8 | Stonepine Capital Management Llc | 1.90% | 815K | $1.5M | +47,148 (+6.1%) | June 30, 2026 |
| 9 | Jane Street Group LLC | 1.77% | 758K | $1.3M | +624,961 (+468.9%) | June 30, 2026 |
| 10 | BRAIDWELL LP | 1.75% | 753K | $1.3M | — | June 30, 2026 |
| 11 | AQR Capital Management LLC | 1.73% | 745K | $1.3M | +387,385 (+108.3%) | June 30, 2026 |
| 12 | Parkman Healthcare Partners LLC | 1.51% | 647K | $1.2M | −109,072 (−14.4%) | June 30, 2026 |
| 13 | Geode Capital Management, LLC | 1.05% | 453K | $805,778 | −491,808 (−52.1%) | June 30, 2026 |
| 14 | Renaissance Technologies Corp | 0.99% | 425K | $756,696 | +104,810 (+32.7%) | June 30, 2026 |
| 15 | ADAR1 Capital Management LLC | 0.94% | 404K | $720,005 | +30,000 (+8.0%) | June 30, 2026 |
| 16 | Deutsche Bank AG | 0.94% | 402K | $716,122 | −761,362 (−65.4%) | June 30, 2026 |
| 17 | D. E. Shaw & Co LP | 0.76% | 328K | $583,000 | −7,546 (−2.3%) | June 30, 2026 |
| 18 | Jefferies Financial Group Inc | 0.66% | 285K | $507,496 | — | June 30, 2026 |
| 19 | CFM WEALTH PARTNERS LLC | 0.61% | 264K | $469,989 | — | June 30, 2026 |
| 20 | Vanguard Fiduciary Trust Co | 0.58% | 251K | $445,910 | −30,737 (−10.9%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 6 holders added 2.3M shares and 10 cut 5.1M.
LUNG top mutual fund and ETF holders
17 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | PRIMECAP Odyssey Aggressive Growth | 8.39% | 3.6M | $6.4M | — | June 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.68% | 1.2M | $2.1M | — | August 31, 2026 |
| 3 | Xtrackers S&P 500 Swap ETF 1C | 1.61% | 693K | $1.2M | −5,110 (−0.7%) | December 31, 2025 |
| 4 | Vanguard US Opportunities Ins USD Acc | 1.29% | 554K | $986,351 | −112,660 (−16.9%) | June 30, 2026 |
| 5 | Xtrackers S&P Global Infra Swap ETF 1C | 0.94% | 402K | $716,122 | — | December 31, 2025 |
| 6 | Fidelity Extended Market Index | 0.36% | 155K | $275,062 | −830 (−0.5%) | August 31, 2026 |
| 7 | iShares Micro-Cap ETF | 0.30% | 131K | $232,877 | −902 (−0.7%) | September 30, 2026 |
| 8 | Fidelity Nasdaq Composite Index | 0.26% | 112K | $199,990 | +83,999 (+296.2%) | August 31, 2026 |
| 9 | Fidelity Total Market Index | 0.17% | 74K | $131,305 | — | August 31, 2026 |
| 10 | Fidelity Series Total Market Index | 0.14% | 62K | $110,376 | — | August 31, 2026 |
| 11 | Abante Quant Value FI | 0.14% | 61K | $108,117 | — | August 31, 2026 |
| 12 | EA Bridgeway Ultra-Small Company Mkt ETF | 0.08% | 35K | $61,905 | — | September 30, 2026 |
| 13 | Pacific Select Large-Cap Growth I | 0.05% | 23K | $41,460 | — | September 30, 2026 |
| 14 | Vanguard MStar Inst Ttl StkMktIdxInstlPl | 0.05% | 22K | $39,719 | — | August 31, 2026 |
| 15 | Vanguard Balanced Index Inv | 0.04% | 19K | $33,962 | — | August 31, 2026 |
| 16 | Strategic Advisers U.S. Total Stock | 0.03% | 14K | $24,957 | +4,221 (+43.1%) | August 31, 2026 |
| 17 | Vanguard U.S. Eq Idx £ Acc | 0.03% | 14K | $24,135 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
LUNG insider transactions
latest 17| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-02 | Geoffrey Beran Rose | Sell | $1.43 | 7,732 | $11,057 |
| 2026-03-02 | Glendon E French III | Sell | $1.43 | 67,813 | $96,973 |
| 2026-03-02 | Srikanth Radhakrishnan | Sell | $1.43 | 10,483 | $14,991 |
| 2026-03-02 | David Aaron Lehman | Sell | $1.43 | 12,237 | $17,499 |
| 2025-12-01 | David Aaron Lehman | Sell | $1.57 | 10,278 | $16,136 |
| 2025-12-01 | Geoffrey Beran Rose | Sell | $1.57 | 6,322 | $9,926 |
| 2025-12-01 | Glendon E French III | Sell | $1.57 | 8,805 | $13,824 |
| 2025-09-02 | Geoffrey Beran Rose | Sell | $1.60 | 6,543 | $10,469 |
| 2025-09-02 | Steven S Williamson | Sell | $1.60 | 9,648 | $15,437 |
| 2025-09-02 | Mehul Joshi | Sell | $1.60 | 7,936 | $12,698 |
| 2025-09-02 | David Aaron Lehman | Sell | $1.60 | 9,769 | $15,630 |
| 2025-06-12 | Richard Ferrari | Sell | $3.16 | 8,000 | $25,280 |
| 2025-06-05 | Daniel P Florin | Buy | $3.06 | 23,321 | $71,362 |
| 2025-06-02 | David Aaron Lehman | Sell | $3.13 | 10,457 | $32,730 |
| 2025-06-02 | Geoffrey Beran Rose | Sell | $3.13 | 6,947 | $21,744 |
| 2025-06-02 | Mehul Joshi | Sell | $3.13 | 8,061 | $25,231 |
| 2025-06-02 | Steven S Williamson | Sell | $3.13 | 9,923 | $31,059 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
LUNG shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns LUNG
Institutional investors own 62.8% of Pulmonx's shares and insiders 4.64%. The largest holder is PRIMECAP Management Company with 10.74% of the shares (4.6M), as of June 30, 2026. Among the top 20 institutions, 6 added shares and 10 reduced their stake in the latest filings. Short interest is 2.21% of the float, or 2.70 days of average trading volume. The share count rose 1,970.2% since 2018.
Related: LUNG analyst forecast, LUNG key metrics. See the LUNG stock overview for the latest quote and news.
LUNG ownership FAQ
Who owns the most Pulmonx stock?
The largest shareholders of Pulmonx are PRIMECAP Management Company (10.74%), Morgan Stanley - Brokerage Accounts (6.81%), Soleus Capital Management, L.P. (6.49%), Vanguard Capital Management, LLC (3.80%), ExodusPoint Capital Management, LP (2.85%).
What percentage of Pulmonx is owned by institutions?
Institutions hold 62.8% of Pulmonx's shares outstanding; insiders hold 4.64%.
Which funds own Pulmonx?
The largest fund holders of Pulmonx are PRIMECAP Odyssey Aggressive Growth (8.39%), Vanguard MStar Total Stk Mkt Idx Invest (2.68%), Xtrackers S&P 500 Swap ETF 1C (1.61%), Vanguard US Opportunities Ins USD Acc (1.29%), Xtrackers S&P Global Infra Swap ETF 1C (0.94%).
What is Pulmonx's short interest?
803K shares of Pulmonx were sold short, 2.21% of the float; at the average daily volume it would take 2.70 days to cover.
Are insiders buying or selling Pulmonx?
Of the latest 17 reported insider transactions in Pulmonx (since June 2, 2025), 1 were purchases and 16 were sales.
How many shares of Pulmonx are outstanding?
Pulmonx has 42.2M shares outstanding, of which 37.6M are in the public float.