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Equibles

INFU

InfuSystem Holdings, Inc

Company with tickers: INFU

CIK
1337013
CUSIP
45685K102
Shares Outstanding
20,181,703
13F Activity (30d)
5 filings 3 filers

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.

Holders: 96
Total Value: $130,321,372
Total Shares: 14,119,331

Institutional Ownership Trend

27 quarters

Holder Concentration

Across 96 13F filers · Δ vs Dec 31, 2025
Top Holder
8.5%
Dec 2023 → Mar 2026 · range 7.7% – 14.4%
+0.8 pts
Top 5
30.2%
Dec 2023 → Mar 2026 · range 30.2% – 44.0%
−0.3 pts
Top 10
49.7%
Dec 2023 → Mar 2026 · range 49.7% – 69.4%
−0.1 pts
HHI
341
Dec 2023 → Mar 2026 · range 341 – 624
Broadly held−4

Quarterly Activity

vs Dec 31, 2025
New
16
Increased
40
Decreased
24
Sold Out
22
Unchanged
16
Holder count: -6
Institutional value: +4.1%
Shares held: +1.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large ACADIAN ASSET MANAGEMENT LLC +185,284 634,044
Mid North Star Investment Management Corp. +153,000 182,000
Small Minerva Advisors LLC +125,374 1,204,105
Large MARSHALL WACE, LLP +121,430 265,209
Mega AMERICAN CENTURY COMPANIES INC +120,863 473,021

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Small AWM Investment Company, Inc. −360,579 201,077
Mid Ancora Advisors LLC −207,630 80,661
Large Russell Investments Group, Ltd. −90,234 130,058
Small Rothschild Wealth LLC −75,000 21,800
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −71,396 234,331

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 860,263 $7,940,227
Mega VANGUARD FIDUCIARY TRUST CO 121,988 $1,125,949
Small Expect Equity LLC 80,946 $747,131
Mid MANGROVE PARTNERS IM, LLC 74,061 $683,583
Mid BAILARD, INC. 29,700 $274,131

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 981,575 $8,804,726
Micro Perritt Capital Management Inc 96,800 $868,296
Mega VICTORY CAPITAL MANAGEMENT INC 51,584 $462,708
Micro PharVision Advisers, LLC 46,916 $420,836
Large ExodusPoint Capital Management, LP 45,008 $403,721
Filter: New 16 Increased 40 Reduced 24 Sold out 22 Unchanged 16
Showing 96 of 96
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Small Minerva Advisors LLC $11,113,889 8.53% 1,204,105
Mega VANGUARD CAPITAL MANAGEMENT LLC $7,940,227 6.09% 860,263
Mid PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. $7,734,047 5.93% 837,925
Large First Eagle Investment Management, LLC $6,658,254 5.11% 721,371
Large ACADIAN ASSET MANAGEMENT LLC $5,852,226 4.49% 634,044
Mega BlackRock, Inc. $5,691,083 4.37% 616,586
Mega DIMENSIONAL FUND ADVISORS LP $5,485,277 4.21% 594,288
Large RENAISSANCE TECHNOLOGIES LLC $5,231,647 4.01% 566,809
Mid HEARTLAND ADVISORS INC $4,707,300 3.61% 510,000
Mega AMERICAN CENTURY COMPANIES INC $4,365,983 3.35% 473,021
Small Meros Investment Management, LP $4,332,635 3.32% 469,408
Mid Hillsdale Investment Management Inc. $4,175,402 3.20% 452,373
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $3,403,211 2.61% 368,712
Mega MILLENNIUM MANAGEMENT LLC $3,272,579 2.51% 354,559
Small ESSEX INVESTMENT MANAGEMENT CO LLC $2,762,834 2.12% 299,332
Large MARSHALL WACE, LLP $2,447,878 1.88% 265,209
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $2,162,875 1.66% 234,331
Small Truffle Hound Capital, LLC $2,122,900 1.63% 230,000
Mega GEODE CAPITAL MANAGEMENT, LLC $2,016,246 1.55% 218,445
Small AWM Investment Company, Inc. $1,855,940 1.42% 201,077
Mega TWO SIGMA INVESTMENTS, LP $1,711,343 1.31% 185,411
Small Teton Advisors, LLC $1,707,550 1.31% 185,000
Mid North Star Investment Management Corp. $1,679,860 1.29% 182,000
Mega CITADEL ADVISORS LLC $1,568,674 1.20% 169,954
Mid GSA CAPITAL PARTNERS LLP $1,501,444 1.15% 162,670
Large GABELLI FUNDS LLC $1,370,516 1.05% 148,485
Large Russell Investments Group, Ltd. $1,200,434 0.92% 130,058
Mega AMERIPRISE FINANCIAL INC $1,180,240 0.91% 127,870
Mega JANE STREET GROUP, LLC $1,175,042 0.90% 127,307
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,125,949 0.86% 121,988
Small WHITE PINE CAPITAL LLC $1,067,089 0.82% 115,611
Large Man Group plc $1,034,738 0.79% 112,106
Mega BNP PARIBAS ARBITRAGE, SA $1,020,819 0.78% 110,598
Large SEI INVESTMENTS CO $966,907 0.74% 104,757
Mid 683 Capital Management, LLC $927,291 0.71% 100,465
Mega STATE STREET CORP $905,195 0.69% 98,071
Mid Legato Capital Management LLC $865,478 0.66% 93,768
Mega MORGAN STANLEY $816,004 0.63% 88,408
Large PANAGORA ASSET MANAGEMENT INC $764,133 0.59% 82,788
Small Expect Equity LLC $747,131 0.57% 80,946
Mid Ancora Advisors LLC $744,501 0.57% 80,661
Small GLOBEFLEX CAPITAL L P $738,040 0.57% 79,961
Large Qube Research & Technologies Ltd $709,676 0.54% 76,888
Mid MANGROVE PARTNERS IM, LLC $683,583 0.52% 74,061
Mega GOLDMAN SACHS GROUP INC $667,624 0.51% 72,332
Large Connor, Clark & Lunn Investment Management Ltd. $658,662 0.51% 71,361
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $626,717 0.48% 67,900
Mega Bank of New York Mellon Corp Bank $600,677 0.46% 65,079
Mega NORTHERN TRUST CORP Bank $524,365 0.40% 56,811
Large Point72 Asset Management, L.P. $470,969 0.36% 51,026
Mid ARS Investment Partners, LLC $450,562 0.35% 48,815
Small Integrated Quantitative Investments LLC $382,897 0.29% 41,484
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $365,397 0.28% 39,588
Mid RITHOLTZ WEALTH MANAGEMENT $331,080 0.25% 35,870
Mid XTX Topco Ltd $302,227 0.23% 32,744
Large Hudson Bay Capital Management LP $298,913 0.23% 32,385
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $289,822 0.22% 31,400
Small Catalyst Funds Management Pty Ltd $278,746 0.21% 30,200
Mega BANK OF AMERICA CORP /DE/ Bank $278,321 0.21% 30,154
Mega HSBC HOLDINGS PLC $277,795 0.21% 30,097
Mid BAILARD, INC. $274,131 0.21% 29,700
Mega UBS Group AG $243,902 0.19% 26,425
Mega FMR LLC $241,133 0.19% 26,125
Small TOTH FINANCIAL ADVISORY CORP $230,750 0.18% 25,000
Mega BARCLAYS PLC $214,928 0.16% 23,286
Mid ALGERT GLOBAL LLC $207,850 0.16% 22,519
Mid SALEM INVESTMENT COUNSELORS INC $206,908 0.16% 22,417
Small Rothschild Wealth LLC $201,214 0.15% 21,800
Large HighTower Advisors, LLC $194,393 0.15% 21,061
Small Carrera Capital Advisors $186,796 0.14% 20,238
Mid Jump Financial, LLC $158,137 0.12% 17,133
Mega CITIGROUP INC $155,709 0.12% 16,870
Mid Brevan Howard Capital Management LP $129,589 0.10% 14,040
Mid OCCUDO QUANTITATIVE STRATEGIES LP $121,937 0.09% 13,211
Large OMERS ADMINISTRATION Corp $119,067 0.09% 12,900
Large Squarepoint Ops LLC $118,716 0.09% 12,862
Large Jain Global LLC $118,494 0.09% 12,838
Large COMMERCE BANK Bank $115,375 0.09% 12,500
Small Clayton Partners LLC $114,452 0.09% 12,400
Large Schonfeld Strategic Advisors LLC $104,169 0.08% 11,286
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $98,927 0.08% 10,718
Small Redhawk Wealth Advisors, Inc. $94,422 0.07% 10,230
Mega JPMORGAN CHASE & CO $91,339 0.07% 9,896
Mega Vanguard Global Advisers, LLC $72,695 0.06% 7,876
Large US BANCORP \DE\ Bank $65,994 0.05% 7,150
Micro HighMark Wealth Management LLC $25,844 0.02% 2,800
Mega ROYAL BANK OF CANADA Bank $24,652 0.02% 2,671
Small BARD ASSOCIATES INC $23,075 0.02% 2,500
Small Community Bank, N.A. $9,230 0.01% 1,000
Mid Smartleaf Asset Management LLC $4,762 0.00% 516
Micro Intentional Wealth Strategies, LLC $2,076 0.00% 225
Large NISA INVESTMENT ADVISORS, LLC $1,301 0.00% 141
Mid GAMMA Investing LLC $239 0.00% 26
Large CWM, LLC $138 0.00% 15
Mid SBI Securities Co., Ltd. Broker-Dealer $101 0.00% 11
Small Strategic Wealth Partners, Ltd. $83 0.00% 9

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