Pulmonx Corporation

LUNG • NASDAQ

Pulmonx Corporation is a medical - devices company in the healthcare sector on NASDAQ, led by Steven S. Williamson, with a market cap of $104.4M. As of Q3 2025, 78% of shares are held by 104 institutional investors, with PRIMECAP MANAGEMENT CO/CA/ as the largest holder at 12.16%.

President and Chief Executive OfficerSteven S. Williamson

Market Cap$104.4M

Medical - Devices

Healthcare

Employees279.0

Websitepulmonx.com

Country

United States of America

Overview

Overview of institutional ownership in LUNG as of Q3 2025 with a market cap of $66.0M

All Institutions

Institutions: 104
Value Held: $51.5M
Shares Held: 31.8M
Avg Position: $495.6K
Median Position: $38.7K

Hedge Funds

Hedge Funds: 19
Value Held: $9.3M
Shares Held: 5.7M
Avg Position: $488.3K
Median Position: $347.5K

Ownership Breakdown

Institutional (non-HF)

64.03%

$42.3M

Hedge Funds

14.05%

$9.3M

Retail & Other

21.91%

$14.5M

Based on market cap of $66.0M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in LUNG as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
PRIMECAP MANAGEMENT CO/CA/ Long Only Manager	Theofanis A Kolokotrones Chairman	$8.0M 0.01% of portfolio	12.16% 5.0M shares	Q4 2020 Held for 4y 11m	$128.84B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$5.9M 0.00% of portfolio	8.89% 3.6M shares	Q4 2020 Held for 4y 11m	$1.65T
B BlackRock, Inc. Institution	-	$4.3M 0.00% of portfolio	6.56% 2.7M shares	Q4 2020 Held for 4y 11m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$3.6M 0.00% of portfolio	5.50% 2.2M shares	Q4 2020 Held for 4y 11m	$6.69T
FMR LLC Institution	-	$3.5M 0.00% of portfolio	5.34% 2.2M shares	Q4 2020 Held for 4y 11m	$1.92T
SILVERCREST ASSET MANAGEMENT GROUP LLC RIA/Wealth	Richard Ralston Hough CEO	$2.0M 0.01% of portfolio	3.10% 1.3M shares	Q1 2025 Held for 8 months	$15.1B
$DEUTSCHE BANK AG\ logo$ DEUTSCHE BANK AG\ Institution	Kevin G. Burke CEO	$1.8M 0.00% of portfolio	2.76% 1.1M shares	Q4 2020 Held for 4y 11m	$298.06B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$1.6M 0.00% of portfolio	2.40% 978.8K shares	Q4 2020 Held for 4y 11m	$1.57T
K Kent Lake PR LLC Hedge Fund•Long/Short	Benjamin Natter Managing Partner	$1.5M 0.77% of portfolio	2.27% 926.2K shares	Q3 2025 Held for 2 months	$195.5M
Vestal Point Capital, LP Hedge Fund•Long/Short	Ryan Christopher Wilder CIO	$1.3M 0.07% of portfolio	2.04% 830.0K shares	Q3 2025 Held for 2 months	$2.0B

Net Capital Flow

Institutional buying and selling activity for LUNG in Q3 2025

Traded: −$11.3M
Buyers: 51
Sellers: 55
Total Bought: +$7.5M
Total Sold: −$18.8M
Avg Position: $399.6K

Biggest Buyers

Institution	Net Bought	Current Position
K Kent Lake PR LLC Hedge Fund•Long/Short	+$1.5M +926.2K shares	$1.5M 926.2K shares
Vestal Point Capital, LP Hedge Fund•Long/Short	+$1.3M +830.0K shares	$1.3M 830.0K shares
S Stonepine Capital Management, LLC Institution	+$849.0K +524.1K shares	$1.1M 670.0K shares
SILVERCREST ASSET MANAGEMENT GROUP LLC RIA/Wealth	+$540.6K +333.7K shares	$2.0M 1.3M shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	+$537.4K +331.7K shares	$1.2M 755.5K shares
D D. E. Shaw & Co., Inc. Institution	+$485.0K +299.4K shares	$1.3M 789.2K shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	+$300.9K +185.7K shares	$342.2K 211.3K shares
GOLDMAN SACHS GROUP INC Institution	+$298.7K +184.4K shares	$639.7K 394.9K shares
J JANE STREET GROUP, LLC Institution	+$258.5K +159.6K shares	$402.1K 248.2K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$239.6K +147.9K shares	$351.8K 217.2K shares

Biggest Sellers

Institution	Net Sold	Current Position
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short	−$4.9M −1.9M shares	Sold Off 0 shares
FMR LLC Institution	−$3.4M −2.1M shares	$3.5M 2.2M shares
B BNP Paribas Investment Partners S.A. Institution	−$3.0M −1.2M shares	Sold Off 0 shares
Rock Springs Capital Management LP Hedge Fund•Sector	−$1.7M −651.1K shares	Sold Off 0 shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$1.3M −830.7K shares	$544.1K 335.8K shares
Marshall Wace LLP Institution	−$491.4K −189.7K shares	Sold Off 0 shares
Trexquant Investment LP Hedge Fund•Quant	−$409.4K −158.1K shares	Sold Off 0 shares
C Cubist Systematic Strategies, LLC Institution	−$409.1K −158.0K shares	Sold Off 0 shares
PRIMECAP MANAGEMENT CO/CA/ Long Only Manager	−$336.9K −208.0K shares	$8.0M 5.0M shares
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager	−$333.3K −205.8K shares	$174.9K 108.0K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited LUNG in Q3 2025

New Positions: 11
New Value: $1.5M
Exited Positions: 25
Exited Value: $11.7M

New Positions

Institution	Position Value
Vestal Point Capital, LP Hedge Fund•Long/Short	$1.3M 830.0K shares
Q Quadrature Capital Ltd Institution	$53.4K 32.9K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$30.4K 18.8K shares
4 49 WEALTH MANAGEMENT, LLC Institution	$23.4K 14.5K shares
Voleon Capital Management LP Hedge Fund•Quant	$21.7K 13.4K shares
Groupe la Francaise Fund of Funds	$3.5K 2.5K shares
A AdvisorNet Financial, Inc Institution	$1.6K 1.0K shares
O Optiver Holding B.V. Institution	$1.0K 622.0 shares
Steward Partners Investment Advisory, LLC RIA/Wealth	$164.0 101.0 shares
A Advisory Services Network, LLC RIA/Wealth	$73.0 45.0 shares

Exited Positions

Institution	Previous Position
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short	$4.9M 1.9M shares
B BNP Paribas Investment Partners S.A. Institution	$3.0M 1.2M shares
Rock Springs Capital Management LP Hedge Fund•Sector	$1.7M 651.1K shares
Marshall Wace LLP Institution	$491.4K 189.7K shares
Trexquant Investment LP Hedge Fund•Quant	$409.4K 158.1K shares
C Cubist Systematic Strategies, LLC Institution	$409.1K 158.0K shares
Susquehanna Portfolio Strategies, LLC Private Equity	$138.6K 53.5K shares
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC Hedge Fund•Distressed	$129.0K 49.8K shares
PDT Partners, LLC Hedge Fund•Quant	$97.9K 37.8K shares
Graham Capital Management, L.P. Hedge Fund•Multi-Strategy	$88.7K 34.2K shares

Options Activity

Institutions with the largest Call and Put options positions in LUNG as of Q3 2025

Call Positions: 1
Call Value: $34.2K
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
W WOLVERINE TRADING, LLC Institution	$34.2K 207.0 contracts

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with LUNG as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
S Stonepine Capital Management, LLC Institution	-	0.88% $1.1M	1.64% 670.0K shares	Q2 2025 Held for 5 months	$123.0M
K Kent Lake PR LLC Hedge Fund•Long/Short	Benjamin Natter Managing Partner	0.77% $1.5M	2.27% 926.2K shares	Q3 2025 Held for 2 months	$195.5M
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	David Khabie-Zeitoune CEO	0.11% $1.2M	1.85% 755.5K shares	Q3 2024 Held for 1y 2m	$1.1B
Parkman Healthcare Partners LLC Hedge Fund•Long/Short	Gregory Arthur Martinez CIO	0.09% $811.1K	1.23% 500.7K shares	Q3 2024 Held for 1y 2m	$910.1M
Vestal Point Capital, LP Hedge Fund•Long/Short	Ryan Christopher Wilder CIO	0.07% $1.3M	2.04% 830.0K shares	Q3 2025 Held for 2 months	$2.0B
CFM WEALTH PARTNERS LLC RIA/Wealth	Edward Allen Moody Founder	0.06% $427.7K	0.65% 264.0K shares	Q4 2022 Held for 2y 11m	$688.8M
B BRAIDWELL LP Hedge Fund•Multi-Strategy	Brian James Kreiter CEO	0.05% $1.2M	1.85% 752.5K shares	Q4 2022 Held for 2y 11m	$2.5B
A ADAR1 Capital Management, LLC Hedge Fund•Long/Short	Daniel Pawel Schneeberger Managing Partner	0.03% $347.5K	0.53% 214.5K shares	Q4 2024 Held for 11 months	$993.7M
PERKINS CAPITAL MANAGEMENT INC RIA/Wealth	Harry Allen Lee Lindberg President	0.03% $34.0K	0.05% 21.0K shares	Q2 2025 Held for 5 months	$113.5M
X XTX Topco Ltd Institution	-	0.01% $280.6K	0.43% 173.2K shares	Q4 2023 Held for 1y 11m	$1.9B

Hedge Fund Spotlight

Discover hedge funds investing in LUNG

Schonfeld Strategic Advisors LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerRyan Andrew Tolkin

Portfolio Value: $14.3B
Positions: 1,879
Last Reported: Q3 2025

Sector Allocation

Position in Pulmonx Corporation

Market Value: $363.0K
Shares Held: 224.1K
Portfolio Weight: 0.00%
Owned Since: 2024-Q3

Top Holding	Sector	Market Value	Weight
1 SPDR S&P 500 ETF Trust SPY	ETF ETF	$1.3B	9.09%
2 iShares Bitcoin Trust IBIT	ETF ETF	$440.9M	3.08%
3 ETHA iShares Ethereum Trust ETHA	Unknown Unknown	$337.6M	2.36%

View full profile

Pulmonx Corporation

Overview

All Institutions

Hedge Funds

Ownership Breakdown

Biggest Investors

Net Capital Flow

Biggest Buyers

Biggest Sellers

Entry and Exit Activity

New Positions

Exited Positions

Options Activity

Call Positions

Put Positions

Most Committed Institutions

Hedge Fund Spotlight

Position in Pulmonx Corporation

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