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.

Q4 2025 vs. Q3 2025

How the institutions holding Pulmonx Corp changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of LUNG: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	107	1	112	+6
Shares	31.8M	926.2K	32.4M	+1.49M (+4.8%)
Value	$51.6M	$1.50M	$71.6M	+$21.5M (+43.0%)

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held Pulmonx Corp at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to LUNG in Q4 2025
Institution	Shares	Value	% of portfolio
Soleus Capital Management, L.P.	2,038,323	$4.50M	0.19%
ExodusPoint Capital Management, LP	1,951,173	$4.31M	0.05%
Birchview Capital, LP	250,573	$553.8K	0.32%
Kotler Kevin	200,000	$442.0K	0.33%
Westfield Capital Management Co LP	184,903	$408.6K	0.00%
Nano Cap New Millennium Growth Fund L P	85,000	$187.8K	0.16%
Susquehanna Portfolio Strategies, LLC	60,259	$133.2K	0.00%
Engineers Gate Manager LP	48,169	$106.5K	0.00%
Banco BTG Pactual S.A.	46,316	$102.4K	0.02%
Squarepoint Ops LLC	41,251	$91.2K	0.00%
Worth Venture Partners, LLC	32,525	$71.9K	0.52%
Centiva Capital, LP	18,545	$41.0K	0.00%
Lazard Asset Management LLC	14,156	$31.3K	0.00%
Regatta Capital Group, LLC	13,749	$30.4K	0.00%
Cerity Partners LLC	12,364	$27.3K	0.00%
Abel Hall, LLC	10,654	$23.5K	0.01%
Nine Masts Capital Ltd	10,106	$22.3K	0.00%
Opal Capital LLC	12,984	$20.0K	0.01%
GAMMA Investing LLC	2,105	$4.65K	0.00%
Pinnacle Wealth Planning Services, Inc.	695	$1.54K	0.00%
Fortitude Family Office, LLC	592	$1.31K	0.00%
Northwestern Mutual Wealth Management Co	70	$155	0.00%
The PNC Financial Services Group, Inc.	68	$150	0.00%
Allworth Financial LP	19	$42	0.00%

Sold out (18)

Institutions that held Pulmonx Corp at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of LUNG in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Vestal Point Capital, LP	830,000	$1.34M
Quadrature Capital Ltd	32,876	$53.4K
Two Sigma Advisers, LP	29,100	$47.1K
Berger Financial Group, Inc	26,991	$43.7K
Connor, Clark & Lunn Investment Management Ltd.	20,237	$32.8K
Bank of Montreal	19,084	$30.9K
HRT Financial LP	15,436	$25.0K
R Squared Ltd	14,683	$23.8K
Stifel Financial Corp	14,599	$23.6K
Voleon Capital Management LP	13,375	$21.7K
CIBC Private Wealth Group, LLC	5,000	$8.10K
HighMark Wealth Management LLC	3,500	$5.67K
Groupe la Francaise	2,500	$3.51K
SRS Capital Advisors, Inc.	1,420	$2.30K
Versant Capital Management, Inc	333	$539
GWM Advisors LLC	100	$162
Advisory Services Network, LLC	45	$73
Clearstead Advisors, LLC	1	$2

Not filed for Q4 2025 yet (1)

Institutions that held Pulmonx Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding LUNG in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Kent Lake PR LLC	926,157	$1.50M