InfuSystem Holdings

INFU • AMEX

InfuSystem Holdings is a medical - instruments & supplies company in the healthcare sector on AMEX, with a market cap of $187.9M. As of Q3 2025, 62% of shares are held by 96 institutional investors, with Minerva Advisors LLC as the largest holder at 5.02%.

Market Cap$187.9M

Medical - Instruments & Supplies

Healthcare

Employees516.0

Websiteinfusystem.com

Country

United States of America

Overview

Overview of institutional ownership in INFU as of Q3 2025 with a market cap of $211.6M

All Institutions

Institutions: 96
Value Held: $132.1M
Shares Held: 12.7M
Avg Position: $1.4M
Median Position: $397.3K

Hedge Funds

Hedge Funds: 16
Value Held: $39.4M
Shares Held: 3.8M
Avg Position: $2.5M
Median Position: $982.4K

Ownership Breakdown

Institutional (non-HF)

43.77%

$92.6M

Hedge Funds

18.64%

$39.4M

Retail & Other

37.59%

$79.6M

Based on market cap of $211.6M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in INFU as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
M Minerva Advisors LLC Hedge Fund•Value	David Peter Cohen President	$10.6M 6.75% of portfolio	5.02% 1.0M shares	≤ Q2 2013 Held for 12y 5m+	$157.5M
VANGUARD GROUP INC Institution	Salim Ramji CEO	$10.1M 0.00% of portfolio	4.78% 976.2K shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. Long Only Manager	Andrew John Matysik CEO	$8.4M 0.49% of portfolio	3.96% 809.8K shares	Q2 2019 Held for 6y 5m	$1.7B
F First Eagle Investment Management, LLC Long Only Manager	Mehdi Asif Mahmud CEO	$8.3M 0.02% of portfolio	3.93% 801.9K shares	Q4 2022 Held for 2y 11m	$54.9B
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$6.0M 0.01% of portfolio	2.82% 575.7K shares	Q4 2014 Held for 10y 11m	$75.8B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$5.9M 0.00% of portfolio	2.79% 569.2K shares	Q4 2013 Held for 11y 11m	$466.32B
A AWM Investment Company, Inc. Hedge Fund•Event Driven	David Michael Greenhouse President	$5.8M 0.55% of portfolio	2.75% 561.7K shares	Q4 2014 Held for 10y 11m	$1.1B
B BlackRock, Inc. Institution	-	$5.4M 0.00% of portfolio	2.54% 518.3K shares	Q1 2017 Held for 8y 8m	$5.67T
Meros Investment Management, LP Long Only Manager	Kenneth Scott Canon CEO	$4.9M 2.11% of portfolio	2.34% 477.3K shares	Q4 2021 Held for 3y 11m	$234.2M
Hillsdale Investment Management Inc. Long Only Manager	Albert Christopher Guthrie CEO	$4.7M 0.14% of portfolio	2.20% 450.3K shares	Q3 2025 Held for 2 months	$3.3B

Net Capital Flow

Institutional buying and selling activity for INFU in Q3 2025

Traded: +$3.4M
Buyers: 56
Sellers: 48
Total Bought: +$27.8M
Total Sold: −$24.4M
Avg Position: $1.1M

Biggest Buyers

Institution	Net Bought	Current Position
Hillsdale Investment Management Inc. Long Only Manager	+$4.7M +450.3K shares	$4.7M 450.3K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$3.2M +309.0K shares	$4.7M 449.3K shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	+$2.4M +229.0K shares	$2.9M 279.9K shares
Ancora Advisors, LLC RIA/Wealth	+$2.1M +202.3K shares	$2.1M 202.3K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	+$1.7M +162.2K shares	$2.5M 242.1K shares
Cetera Investment Advisers RIA/Wealth	+$1.3M +129.4K shares	$1.3M 129.4K shares
R Russell Investments Group, Ltd. RIA/Wealth	+$1.2M +118.0K shares	$1.2M 118.7K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$1.2M +116.1K shares	$6.0M 575.7K shares
GLOBEFLEX CAPITAL L P Long Only Manager	+$828.4K +80.0K shares	$828.4K 80.0K shares
Marshall Wace LLP Institution	+$812.4K +78.4K shares	$1.9M 184.3K shares

Biggest Sellers

Institution	Net Sold	Current Position
A AWM Investment Company, Inc. Hedge Fund•Event Driven	−$7.4M −710.6K shares	$5.8M 561.7K shares
HARBERT FUND ADVISORS, INC. Hedge Fund•Multi-Strategy	−$2.6M −409.3K shares	Sold Off 0 shares
Meros Investment Management, LP Long Only Manager	−$2.4M −229.2K shares	$4.9M 477.3K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$1.9M −181.9K shares	$1.7M 168.7K shares
B BlackRock, Inc. Institution	−$1.6M −154.1K shares	$5.4M 518.3K shares
Cove Street Capital, LLC Hedge Fund•Value	−$1.4M −232.3K shares	Sold Off 0 shares
F First Eagle Investment Management, LLC Long Only Manager	−$1.1M −108.5K shares	$8.3M 801.9K shares
J JANE STREET GROUP, LLC Institution	−$1.1M −102.6K shares	$866.0K 83.6K shares
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. Long Only Manager	−$712.3K −68.8K shares	$8.4M 809.8K shares
CITIGROUP INC Institution	−$627.6K −60.6K shares	$1.4M 139.7K shares

Entry and Exit Activity

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

New Positions: 14
New Value: $3.1M
Exited Positions: 19
Exited Value: $6.1M

New Positions

Institution	Position Value
Cetera Investment Advisers RIA/Wealth	$1.3M 129.4K shares
Centiva Capital, LP Hedge Fund•Multi-Strategy	$521.3K 50.3K shares
KESTRA PRIVATE WEALTH SERVICES, LLC RIA/Wealth	$286.6K 27.7K shares
Cambridge Investment Research Advisors, Inc. RIA/Wealth	$263.5K 25.4K shares
Graham Capital Management, L.P. Hedge Fund•Multi-Strategy	$233.6K 22.5K shares
C Catalyst Funds Management Pty Ltd Institution	$190.6K 18.4K shares
D Dynamic Technology Lab Private Ltd Institution	$113.1K 10.9K shares
Q Quadrature Capital Ltd Institution	$104.2K 10.1K shares
Financial Management Professionals, Inc. RIA/Wealth	$22.1K 2.1K shares
Sontag Advisory, LLC RIA/Wealth	$3.4K 330.0 shares

Exited Positions

Institution	Previous Position
HARBERT FUND ADVISORS, INC. Hedge Fund•Multi-Strategy	$2.6M 409.3K shares
Cove Street Capital, LLC Hedge Fund•Value	$1.4M 232.3K shares
W Winton Capital Group Ltd Institution	$406.4K 65.1K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	$371.8K 59.6K shares
Y Y-Intercept Ltd Institution	$294.0K 47.1K shares
B Brevan Howard Capital Management LP Institution	$227.7K 36.5K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$188.2K 30.2K shares
Aster Capital Management Ltd RIA/Wealth	$155.8K 25.0K shares
G Ground Swell Capital, LLC Hedge Fund•Multi-Strategy	$135.4K 21.7K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$133.5K 21.4K shares

Options Activity

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

Call Positions: 2
Call Value: $411.3K
Put Positions: 1
Put Value: -

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$287.0K 277.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$124.3K 120.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	- - contracts

Most Committed Institutions

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

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
M Minerva Advisors LLC Hedge Fund•Value	David Peter Cohen President	6.75% $10.6M	5.02% 1.0M shares	≤ Q2 2013 Held for 12y 5m+	$157.5M
Meros Investment Management, LP Long Only Manager	Kenneth Scott Canon CEO	2.11% $4.9M	2.34% 477.3K shares	Q4 2021 Held for 3y 11m	$234.2M
T Truffle Hound Capital, LLC Hedge Fund•Long/Short	Stephen Raymond Bauer CEO	1.91% $2.4M	1.13% 230.0K shares	Q2 2025 Held for 5 months	$124.6M
A AWM Investment Company, Inc. Hedge Fund•Event Driven	David Michael Greenhouse President	0.55% $5.8M	2.75% 561.7K shares	Q4 2014 Held for 10y 11m	$1.1B
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. Long Only Manager	Andrew John Matysik CEO	0.49% $8.4M	3.96% 809.8K shares	Q2 2019 Held for 6y 5m	$1.7B
ESSEX INVESTMENT MANAGEMENT CO LLC Long Only Manager	Nancy Beth Prial CEO	0.48% $3.1M	1.47% 300.4K shares	Q2 2025 Held for 5 months	$652.5M
PERRITT CAPITAL MANAGEMENT INC Long Only Manager	Mark J Buh President	0.48% $1.0M	0.47% 96.8K shares	Q3 2020 Held for 5y 2m	$211.0M
WHITE PINE CAPITAL LLC RIA/Wealth	Michael Scott Wallace President	0.30% $1.1M	0.50% 102.7K shares	Q1 2018 Held for 7y 8m	$349.2M
H HEARTLAND ADVISORS INC Long Only Manager	William Richard Nasgovitz CEO	0.23% $4.4M	2.08% 425.0K shares	Q4 2021 Held for 3y 11m	$1.9B
Hillsdale Investment Management Inc. Long Only Manager	Albert Christopher Guthrie CEO	0.14% $4.7M	2.20% 450.3K shares	Q3 2025 Held for 2 months	$3.3B

Hedge Fund Spotlight

Discover hedge funds investing in INFU

RENAISSANCE TECHNOLOGIES LLC

Hedge Fund • Quant

Portfolio ManagerPeter Fitzhugh Brown

Portfolio Value: $75.8B
Positions: 3,419
Last Reported: Q3 2025

Sector Allocation

Position in InfuSystem Holdings

Market Value: $6.0M
Shares Held: 575.7K
Portfolio Weight: 0.01%
Owned Since: 2014-Q4

Top Holding	Sector	Market Value	Weight
1 Palantir Technologies Inc. PLTR	Software - Infrastructure Technology	$1.6B	2.06%
2 Nvidia NVDA	Semiconductors Technology	$1.1B	1.39%
3 Roblox RBLX	Electronic Gaming & Multimedia Technology	$953.5M	1.26%