Pulmonx Corp

LUNG

Exchange: Nasdaq
Industry: Surgical & Medical Instruments & Apparatus
SEC CIK: 0001127537

SEC filings (opens in a new tab)

In the last 90 days, Pulmonx Corp insiders filed 0 open-market purchases and 4 sales; 107 institutions reported holding it in 13F filings for Q2 2026, worth $34.1M in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding Pulmonx Corp changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of LUNG: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	114	1	107	−6
Shares	36.3M	151.2K	31.8M	−4.27M (−11.8%)
Value	$93.9M	$391.6K	$51.6M	−$41.9M (−44.8%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (19)

Institutions that held Pulmonx Corp at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to LUNG in Q3 2025
Institution	Shares	Value	% of portfolio
Kent Lake PR LLC	926,157	$1.50M	0.77%
Vestal Point Capital, LP	830,000	$1.34M	0.06%
Quadrature Capital Ltd	32,876	$53.4K	0.00%
Jain Global LLC	18,766	$30.4K	0.00%
FNY Investment Advisers, LLC	18,366	$29.0K	0.01%
HRT Financial LP	15,436	$25.0K	0.00%
49 Wealth Management, LLC	14,455	$23.4K	0.00%
Voleon Capital Management LP	13,375	$21.7K	0.00%
Russell Investments Group, Ltd.	7,007	$11.4K	0.00%
California State Teachers Retirement System	2,378	$3.85K	0.00%
Groupe la Francaise	2,500	$3.51K	0.00%
SRS Capital Advisors, Inc.	1,420	$2.30K	0.00%
AdvisorNet Financial, Inc	1,000	$1.62K	0.00%
Optiver Holding B.V.	622	$1.01K	0.00%
Steward Partners Investment Advisory, LLC	101	$164	0.00%
Advisory Services Network, LLC	45	$73	0.00%
Essential Partners LLC	16	$26	0.00%
Clearstead Advisors, LLC	1	$2	0.00%
Cornerstone Planning Group LLC	576	–	–

Sold out (25)

Institutions that held Pulmonx Corp at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of LUNG in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Deerfield Management Company, L.P. (Series C)	1,890,000	$4.90M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	1,168,513	$3.03M
Rock Springs Capital Management LP	651,100	$1.69M
Marshall Wace, LLP	189,730	$491.4K
Trexquant Investment LP	158,080	$409.4K
Cubist Systematic Strategies, LLC	157,972	$409.1K
Susquehanna Portfolio Strategies, LLC	53,526	$138.6K
Susquehanna Fundamental Investments, LLC	49,816	$129.0K
PDT Partners, LLC	37,815	$97.9K
Graham Capital Management, L.P.	34,241	$88.7K
Los Angeles Capital Management LLC	32,493	$84.2K
Atom Investors LP	18,191	$47.1K
Squarepoint Ops LLC	12,742	$33.0K
Corton Capital Inc.	12,220	$31.6K
Vontobel Holding Ltd.	12,116	$31.4K
Voya Investment Management LLC	11,086	$28.7K
State Board of Administration of Florida Retirement System	10,560	$27.4K
US Bancorp	5,100	$13.2K
Lazard Asset Management LLC	2,144	$5.00K
Skopos Labs, Inc.	1,198	$3.10K
Fortitude Family Office, LLC	271	$702
Raymond James Financial Inc	183	$474
The PNC Financial Services Group, Inc.	154	$399
True Wealth Design, LLC	9	$24
Bryn Mawr Trust Co	8	$21

Not filed for Q3 2025 yet (1)

Institutions that held Pulmonx Corp at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding LUNG in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Norges Bank	151,200	$391.6K