Inogen

INGN • NASDAQ

Inogen is a medical - devices company in the healthcare sector on NASDAQ, led by Michael Bourque, with a market cap of $191.7M. As of Q3 2025, 68% of shares are held by 128 institutional investors, with BlackRock, Inc. as the largest holder at 6.25%.

Chief Executive OfficerMichael Bourque

Market Cap$191.7M

Medical - Devices

Healthcare

Employees834.0

Websiteinogen.com

Country

United States of America

Overview

Overview of institutional ownership in INGN as of Q3 2025 with a market cap of $220.9M

All Institutions

Institutions: 128
Value Held: $150.9M
Shares Held: 18.5M
Avg Position: $1.2M
Median Position: $243.6K

Hedge Funds

Hedge Funds: 26
Value Held: $36.9M
Shares Held: 4.5M
Avg Position: $1.4M
Median Position: $625.5K

Ownership Breakdown

Institutional (non-HF)

51.59%

$114.0M

Hedge Funds

16.7%

$36.9M

Retail & Other

31.71%

$70.1M

Based on market cap of $220.9M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in INGN as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$13.8M 0.00% of portfolio	6.25% 1.7M shares	Q2 2015 Held for 10y 5m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$11.7M 0.00% of portfolio	5.29% 1.4M shares	Q1 2014 Held for 11y 8m	$6.69T
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	Gillian Morna Therese Savage CEO	$8.7M 0.02% of portfolio	3.95% 1.1M shares	Q4 2022 Held for 2y 11m	$51.5B
ARMISTICE CAPITAL, LLC Hedge Fund•Long/Short	Steven Joseph Boyd Managing Partner	$7.1M 0.22% of portfolio	3.20% 864.0K shares	Q2 2025 Held for 5 months	$3.2B
AMERIPRISE FINANCIAL INC Institution	Jim Cracchiolo CEO	$7.0M 0.00% of portfolio	3.15% 852.7K shares	Q3 2015 Held for 10y 2m	$433.11B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$6.8M 0.00% of portfolio	3.08% 832.5K shares	Q3 2015 Held for 10y 2m	$466.32B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$5.0M 0.00% of portfolio	2.25% 609.3K shares	Q1 2014 Held for 11y 8m	$1.57T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$4.9M 0.00% of portfolio	2.24% 605.7K shares	Q1 2014 Held for 11y 8m	$1.65T
D DAFNA Capital Management LLC Hedge Fund•Event Driven	Nathan Fischel CEO	$4.9M 1.24% of portfolio	2.24% 605.6K shares	Q1 2019 Held for 6y 8m	$397.7M
R ROYCE & ASSOCIATES LLC Institution	-	$4.9M 0.05% of portfolio	2.22% 601.0K shares	Q1 2024 Held for 1y 8m	$10.0B

Net Capital Flow

Institutional buying and selling activity for INGN in Q3 2025

Traded: −$1.9M
Buyers: 66
Sellers: 62
Total Bought: +$17.7M
Total Sold: −$19.5M
Avg Position: $1.0M

Biggest Buyers

Institution	Net Bought	Current Position
C CSM Advisors, LLC Institution	+$3.0M +364.1K shares	$3.0M 364.1K shares
ARMISTICE CAPITAL, LLC Hedge Fund•Long/Short	+$1.6M +200.0K shares	$7.1M 864.0K shares
N Nuveen, LLC Institution	+$1.5M +177.7K shares	$3.6M 436.5K shares
GOLDMAN SACHS GROUP INC Institution	+$1.4M +174.9K shares	$3.5M 428.3K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	+$1.4M +170.9K shares	$1.4M 170.9K shares
J JANE STREET GROUP, LLC Institution	+$1.4M +168.6K shares	$1.4M 168.6K shares
M MOORE CAPITAL MANAGEMENT, LP Hedge Fund•Global Macro	+$942.1K +115.3K shares	$942.1K 115.3K shares
Q Qube Research & Technologies Ltd Institution	+$727.7K +89.1K shares	$1.5M 178.3K shares
B BNP PARIBAS ARBITRAGE, SA Institution	+$674.3K +82.5K shares	$698.1K 85.4K shares
R ROYCE & ASSOCIATES LLC Institution	+$647.4K +79.2K shares	$4.9M 601.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
K Kent Lake PR LLC Hedge Fund•Long/Short	−$4.6M −561.3K shares	$4.1M 500.0K shares
D Divisadero Street Capital Management, LP Hedge Fund•Long/Short	−$3.0M −367.3K shares	$720.1K 88.1K shares
VANGUARD GROUP INC Institution	−$1.8M −223.2K shares	$11.7M 1.4M shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$1.7M −205.9K shares	$2.0M 242.0K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	−$1.1M −134.7K shares	$4.8M 591.4K shares
BANK OF AMERICA CORP /DE/ Institution	−$933.7K −114.3K shares	$467.6K 57.2K shares
PRUDENTIAL FINANCIAL INC Institution	−$764.3K −93.5K shares	$4.5M 553.6K shares
Connor, Clark & Lunn Investment Management Ltd. Long Only Manager	−$713.4K −87.3K shares	$1.5M 188.0K shares
MORGAN STANLEY RIA/Wealth	−$595.2K −72.8K shares	$4.9M 605.7K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	−$521.6K −63.8K shares	$1.6M 192.8K shares

Entry and Exit Activity

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

New Positions: 8
New Value: $4.2M
Exited Positions: 15
Exited Value: $1.1M

New Positions

Institution	Position Value
C CSM Advisors, LLC Institution	$3.0M 364.1K shares
M MOORE CAPITAL MANAGEMENT, LP Hedge Fund•Global Macro	$942.1K 115.3K shares
B Brevan Howard Capital Management LP Institution	$197.8K 24.2K shares
S Skopos Labs, Inc. RIA/Wealth	$105.6K 12.9K shares
Groupe la Francaise Fund of Funds	$3.5K 500.0 shares
O Optiver Holding B.V. Institution	$3.2K 390.0 shares
Sunbelt Securities, Inc. RIA/Wealth	$98.0 12.0 shares
JPL Wealth Management, LLC RIA/Wealth	$82.0 10.0 shares

Exited Positions

Institution	Previous Position
Marshall Wace LLP Institution	$184.1K 26.2K shares
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC RIA/Wealth	$150.4K 20.1K shares
Steadtrust LLC RIA/Wealth	$125.1K 17.8K shares
Verition Fund Management LLC Hedge Fund•Multi-Strategy	$117.0K 16.6K shares
S SHERBROOKE PARK ADVISERS LLC Hedge Fund•Quant	$115.7K 16.5K shares
$DEUTSCHE BANK AG\ logo$ DEUTSCHE BANK AG\ Institution	$104.0K 14.8K shares
AE Wealth Management LLC RIA/Wealth	$90.4K 12.9K shares
D Dynamic Technology Lab Private Ltd Institution	$89.7K 12.8K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	$45.5K 6.5K shares
Q Quarry LP Institution	$16.4K 2.3K shares

Options Activity

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

Call Positions: 2
Call Value: $177.3K
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$176.5K 216.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$817.0 1.0 contracts

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

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

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
K Kent Lake PR LLC Hedge Fund•Long/Short	Benjamin Natter Managing Partner	2.09% $4.1M	1.85% 500.0K shares	Q3 2024 Held for 1y 2m	$195.5M
PERKINS CAPITAL MANAGEMENT INC RIA/Wealth	Harry Allen Lee Lindberg President	1.46% $1.7M	0.75% 202.8K shares	Q2 2025 Held for 5 months	$113.5M
D DAFNA Capital Management LLC Hedge Fund•Event Driven	Nathan Fischel CEO	1.24% $4.9M	2.24% 605.6K shares	Q1 2019 Held for 6y 8m	$397.7M
Monaco Asset Management SAM RIA/Wealth	Kirstin Lynn Hark Director	0.58% $1.5M	0.68% 183.2K shares	Q2 2024 Held for 1y 5m	$256.5M
ARMISTICE CAPITAL, LLC Hedge Fund•Long/Short	Steven Joseph Boyd Managing Partner	0.22% $7.1M	3.20% 864.0K shares	Q2 2025 Held for 5 months	$3.2B
Stokes Family Office, LLC Family Office	Gregory John Stokes Partner	0.17% $1.8M	0.82% 222.6K shares	Q1 2024 Held for 1y 8m	$1.1B
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	David Khabie-Zeitoune CEO	0.12% $1.4M	0.63% 170.9K shares	Q4 2024 Held for 11 months	$1.1B
C CSM Advisors, LLC Institution	-	0.09% $3.0M	1.35% 364.1K shares	Q3 2025 Held for 2 months	$3.4B
R ROYCE & ASSOCIATES LLC Institution	-	0.05% $4.9M	2.22% 601.0K shares	Q1 2024 Held for 1y 8m	$10.0B
C Campbell & CO Investment Adviser LLC Hedge Fund•Quant Macro	Kevin Dwayne Cole CEO	0.04% $553.0K	0.25% 67.7K shares	Q3 2024 Held for 1y 2m	$1.3B

Hedge Fund Spotlight

Discover hedge funds investing in INGN

JACOBS LEVY EQUITY MANAGEMENT, INC

Hedge Fund • Quant

Portfolio ManagerBruce Ira Jacobs

Portfolio Value: $25.2B
Positions: 953
Last Reported: Q3 2025

Sector Allocation

Position in Inogen

Market Value: $2.4M
Shares Held: 295.7K
Portfolio Weight: 0.01%
Owned Since: 2021-Q2

Top Holding	Sector	Market Value	Weight
1 Nvidia NVDA	Semiconductors Technology	$1.7B	6.62%
2 Apple AAPL	Consumer Electronics Technology	$1.3B	5.29%
3 Microsoft MSFT	Software - Infrastructure Technology	$1.0B	4.05%