INFU · InfuSystem Holdings, Inc

$11.93 -0.28 (-2.29%) At close · Aug 24

Market Cap

$243.19M

19.92M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 98

Total Value: $145,171,883

Total Shares: 15,043,724

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 98 13F filers · Δ vs Mar 31, 2026

Top Holder

10.5%

+2.0 pts

Top 5

35.2%

+5.1 pts

Top 10

56.1%

+6.4 pts

HHI

431

Broadly held+90

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +2

Institutional value: +11.4%

Shares held: +6.5%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+968,829	1,585,415
Mega GEODE CAPITAL MANAGEMENT, LLC	+277,614	496,059
Mega AMERICAN CENTURY COMPANIES INC	+202,007	675,028
Mid HEARTLAND ADVISORS INC	+190,000	700,000
Small Minerva Advisors LLC	+144,512	1,348,617

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large MARSHALL WACE, LLP	−207,952	57,257
Large First Eagle Investment Management, LLC	−101,371	620,000
Small Truffle Hound Capital, LLC	−101,371	128,629
Mega VANGUARD CAPITAL MANAGEMENT LLC	−69,488	790,775
Mega AMERIPRISE FINANCIAL INC	−67,136	60,734

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large DIAMOND HILL CAPITAL MANAGEMENT INC	489,017	$4,719,014
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	134,038	$1,293,466
Small CM WEALTH ADVISORS LLC	64,807	$625,387
Mid WINTON GROUP Ltd	31,067	$299,796
Large LOS ANGELES CAPITAL MANAGEMENT LLC	29,396	$283,671

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega MILLENNIUM MANAGEMENT LLC	354,559	$3,272,579
Small ESSEX INVESTMENT MANAGEMENT CO LLC	299,332	$2,762,834
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	234,331	$2,162,875
Mid AWM Investment Company, Inc.	201,077	$1,855,940
Mega JANE STREET GROUP, LLC	127,307	$1,175,042

Filter: New 26 Increased 27 Reduced 25 Sold out 24 Unchanged 20

Showing 98 of 98

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$15,299,251

10.54%

1,585,415

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	68,425	$660,301	4.3%	Sole
BlackRock Asset Management Canada Ltd	19,904	$192,073	1.3%	Sole
BlackRock Investment Management, LLC	150,329	$1,450,674	9.5%	Sole
BLACKROCK ADVISORS LLC	43,018	$415,123	2.7%	Sole
BlackRock Fund Advisors	684,547	$6,605,878	43.2%	Sole
BlackRock Institutional Trust Company, N.A.	536,148	$5,173,828	33.8%	Sole
BlackRock Japan Co. Ltd	64,794	$625,262	4.1%	Sole
BlackRock Investment Management (UK) Ltd.	18,250	$176,112	1.2%	Sole

Minerva Advisors LLC

$13,014,154

8.96%

1,348,617

PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.

$8,055,337

5.55%

834,750

VANGUARD CAPITAL MANAGEMENT LLC

$7,630,978

5.26%

790,775

ACADIAN ASSET MANAGEMENT LLC

$7,171,445

4.94%

743,155

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	743,155	$7,171,445	100.0%	Defined

HEARTLAND ADVISORS INC

$6,755,000

4.65%

700,000

AMERICAN CENTURY COMPANIES INC

$6,514,020

4.49%

675,028

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	675,028	$6,514,020	100.0%	Defined

First Eagle Investment Management, LLC

$5,983,000

4.12%

620,000

DIMENSIONAL FUND ADVISORS LP

$5,783,137

3.98%

599,289

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	3,809	$36,756	0.6%	Defined
DFA Australia Ltd.	7,914	$76,370	1.3%	Defined
Dimensional Ireland Ltd	41,218	$397,753	6.9%	Defined
Held directly	546,348	$5,272,258	91.2%	Sole

RENAISSANCE TECHNOLOGIES LLC

$5,240,036

3.61%

543,009

GEODE CAPITAL MANAGEMENT, LLC

$4,786,969

3.30%

496,059

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	73,814	$712,305	14.9%	Defined
Held directly	422,245	$4,074,664	85.1%	Defined

DIAMOND HILL CAPITAL MANAGEMENT INC

$4,719,014

3.25%

489,017

Meros Investment Management, LP

$4,525,213

3.12%

468,934

Hillsdale Investment Management Inc.

$4,096,164

2.82%

424,473

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$3,558,070

2.45%

368,712

WHITE PINE CAPITAL LLC

$2,177,368

1.50%

225,634

STATE STREET CORP

$2,051,310

1.41%

212,571

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	212,571	$2,051,310	100.0%	Defined

PANAGORA ASSET MANAGEMENT INC

$1,880,997

1.30%

194,922

Teton Advisors, LLC

$1,785,250

1.23%

185,000

Expect Equity LLC

$1,783,503

1.23%

184,819

North Star Investment Management Corp.

$1,756,300

1.21%

182,000

CITADEL ADVISORS LLC

$1,743,271

1.20%

180,650

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	7,743	$74,719	4.3%	Defined
Held directly	172,907	$1,668,552	95.7%	Defined

GSA CAPITAL PARTNERS LLP

$1,548,236

1.07%

160,439

NORTHERN TRUST CORP

$1,481,332

1.02%

153,506

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	150,467	$1,452,006	98.0%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	3,039	$29,326	2.0%	Other

TWO SIGMA INVESTMENTS, LP

$1,431,548

0.99%

148,347

GABELLI FUNDS LLC

$1,400,070

0.96%

145,085

VANGUARD FIDUCIARY TRUST CO

$1,361,943

0.94%

141,134

VANGUARD PORTFOLIO MANAGEMENT LLC

$1,293,466

0.89%

134,038

Man Group plc

$1,258,157

0.87%

130,379

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	130,379	$1,258,157	100.0%	Defined

Truffle Hound Capital, LLC

$1,241,269

0.86%

128,629

Russell Investments Group, Ltd.

$1,134,307

0.78%

117,545

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	2,193	$21,161	1.9%	Defined
Russell Investments Capital, LLC	42,540	$410,511	36.2%	Defined
Russell Investments France SAS	31,077	$299,893	26.4%	Defined
Russell Investments Trust Company	41,735	$402,742	35.5%	Defined

Clayton Partners LLC

$1,006,755

0.69%

104,327

Bank of New York Mellon Corp

$995,260

0.69%

103,136

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	25,835	$249,307	25.0%	Defined
The Bank of New York Mellon	29,561	$285,263	28.7%	Defined
Newton Investment Management North America, LLC	47,739	$460,681	46.3%	Defined
Held directly	1	$9	0.0%	Defined

GOLDMAN SACHS GROUP INC

$985,033

0.68%

102,076

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	102,076	$985,033	100.0%	Defined

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$962,105

0.66%

99,700

O'SHAUGHNESSY ASSET MANAGEMENT, LLC

$867,592

0.60%

89,906

Connor, Clark & Lunn Investment Management Ltd.

$802,947

0.55%

83,207

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	83,207	$802,947	100.0%	Sole

MORGAN STANLEY

$693,195

0.48%

71,834

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	19	$183	0.0%	Defined
MORGAN STANLEY & CO. LLC	5,155	$49,745	7.2%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	63,949	$617,107	89.0%	Defined
MORGAN STANLEY SMITH BARNEY LLC	2,000	$19,300	2.8%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	711	$6,860	1.0%	Defined

CM WEALTH ADVISORS LLC

$625,387

0.43%

64,807

RITHOLTZ WEALTH MANAGEMENT

$619,404

0.43%

64,187

AMERIPRISE FINANCIAL INC

$586,083

0.40%

60,734

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	60,734	$586,083	100.0%	Defined

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$555,685

0.38%

57,584

MARSHALL WACE, LLP

$552,529

0.38%

57,257

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	57,257	$552,529	100.0%	Other

ARS Investment Partners, LLC

$506,345

0.35%

52,471

BNP PARIBAS ARBITRAGE, SA

$475,831

0.33%

49,309

Integrated Quantitative Investments LLC

$400,320

0.28%

41,484

CANADA PENSION PLAN INVESTMENT BOARD

$303,010

0.21%

31,400

WINTON GROUP Ltd

$299,796

0.21%

31,067

OCCUDO QUANTITATIVE STRATEGIES LP

$299,265

0.21%

31,012

LOS ANGELES CAPITAL MANAGEMENT LLC

$283,671

0.20%

29,396

FMR LLC

$279,541

0.19%

28,968

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	28,968	$279,541	100.0%	Defined

HSBC HOLDINGS PLC

$273,674

0.19%

28,360

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	28,360	$273,674	100.0%	Defined

XTX Topco Ltd

$262,817

0.18%

27,235

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	27,235	$262,817	100.0%	Defined

Qube Research & Technologies Ltd

$252,569

0.17%

26,173

Nuveen, LLC

$249,732

0.17%

25,879

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TEACHERS ADVISORS, LLC joint	25,879	$249,732	100.0%	Defined

SALEM INVESTMENT COUNSELORS INC

$216,324

0.15%

22,417

Rothschild Wealth LLC

$210,370

0.14%

21,800

HighTower Advisors, LLC

$203,238

0.14%

21,061

Carrera Capital Advisors

$195,296

0.13%

20,238

DEUTSCHE BANK AG\

$185,202

0.13%

19,192

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	374	$3,609	1.9%	Defined
DWS Investments UK Ltd	18,818	$181,593	98.1%	Defined

RHUMBLINE ADVISERS

$184,884

0.13%

19,159

Catalyst Funds Management Pty Ltd

$177,560

0.12%

18,400

WELLS FARGO & COMPANY/MN

$169,724

0.12%

17,588

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	17,588	$169,724	100.0%	Defined

PRICE T ROWE ASSOCIATES INC /MD/

$152,624

0.11%

15,816

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	15,816	$152,624	100.0%	Defined

Invesco Ltd.

$152,431

0.11%

15,796

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	2,788	$26,904	17.6%	Defined
Invesco Trust Co joint	7,688	$74,189	48.7%	Defined
Invesco Capital Management LLC	5,320	$51,338	33.7%	Defined

GK Wealth Management LLC

$133,208

0.09%

13,804

BANK OF AMERICA CORP /DE/

$132,118

0.09%

13,691

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	13,691	$132,118	100.0%	Defined

LAZARD ASSET MANAGEMENT LLC

$127,949

0.09%

13,259

COMMERCE BANK

$120,625

0.08%

12,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
COMMERCE BANCSHARES INC /MO/	12,500	$120,625	100.0%	Sole

UBS Group AG

$117,623

0.08%

12,189

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	3,429	$33,089	28.1%	Defined
UBS Securities LLC	8,760	$84,534	71.9%	Defined

MetLife Investment Management, LLC

$112,393

0.08%

11,647

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	11,647	$112,393	100.0%	Defined

Schonfeld Strategic Advisors LLC

$99,616

0.07%

10,323

AXQ CAPITAL, LP

$97,986

0.07%

10,154

CITIGROUP INC

$87,718

0.06%

9,090

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	9,090	$87,718	100.0%	Defined

JPMORGAN CHASE & CO

$87,601

0.06%

9,078

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	8,048	$77,662	88.7%	Defined
J.P. Morgan Securities plc	1,030	$9,939	11.3%	Defined

BARCLAYS PLC

$86,849

0.06%

9,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	7,913	$76,360	87.9%	Defined
BARCLAYS CAPITAL INC.	1,087	$10,489	12.1%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$85,672

0.06%

8,878

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	8,878	$85,672	100.0%	Defined

Vanguard Global Advisers, LLC

$76,003

0.05%

7,876

US BANCORP \DE\

$68,997

0.05%

7,150

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	7,150	$68,997	100.0%	Defined

NEW YORK STATE COMMON RETIREMENT FUND

$57,900

0.04%

6,000

Police & Firemen's Retirement System of New Jersey

$54,879

0.04%

5,687

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	5,687	$54,879	100.0%	Defined

Tower Research Capital LLC (TRC)

$30,744

0.02%

3,186

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	3,186	$30,744	100.0%	Defined

ROYAL BANK OF CANADA

$28,226

0.02%

2,925

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	725	$6,996	24.8%	Defined
RBC Capital Markets, LLC	2,200	$21,230	75.2%	Defined

HighMark Wealth Management LLC

$27,020

0.02%

2,800

BARD ASSOCIATES INC

$24,125

0.02%

2,500

Legal & General Group Plc

$18,132

0.01%

1,879

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	1,879	$18,132	100.0%	Defined

Ameritas Investment Partners, Inc.

$16,887

0.01%

1,750

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	1,750	$16,887	100.0%	Other

NewEdge Advisors, LLC

$12,294

0.01%

1,274

Community Bank, N.A.

$9,650

0.01%

1,000

Smartleaf Asset Management LLC

$4,979

0.00%

516

OSAIC HOLDINGS, INC.

$2,412

0.00%

250

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	250	$2,412	100.0%	Defined

Global Retirement Partners, LLC

$1,486

0.00%

154

NISA INVESTMENT ADVISORS, LLC

$1,360

0.00%

141

Sterling Capital Management LLC

$656

0.00%

GAMMA Investing LLC

$250

0.00%

SBI Securities Co., Ltd.

$106

0.00%

Strategic Wealth Partners, Ltd.

$86

0.00%

Caitong International Asset Management Co., Ltd

$19

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	234,331	$2,162,875	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	23,830	$219,950	18.7%	Defined
Jane Street Global Trading, LLC	103,477	$955,092	81.3%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI INVESTMENTS MANAGEMENT CORP	100	$923	0.1%	Sole
SEI TRUST CO	104,657	$965,984	99.9%	Sole

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
683 Capital Partners, LP	100,465	$927,291	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Hudson Bay Capital UK LLP	32,385	$298,913	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC joint	4,933	$45,531	28.8%	Defined
Leap GP LLC joint	12,200	$112,606	71.2%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	14,040	$129,589	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	12,862	$118,716	100.0%	Defined

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