InfuSystem Holdings, Inc - INFU

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Minerva Advisors LLC History Added to 1,204,105 11,113 7.17% 6.46% 1 +125,374 11.62% Q1 2026 May 12, 2026
VANGUARD GROUP INC History No change 981,575 8,804 0.0% 0.0% 2 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 860,263 7,940 0.0% 3 +860,263 New Q1 2026 May 15, 2026
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. History Added to 837,925 7,734 0.45% 0.43% 4 +13,175 1.6% Q1 2026 May 15, 2026
First Eagle Investment Management, LLC History Reduced 721,371 6,658 0.01% 0.01% 5 -30,000 -3.99% Q1 2026 May 14, 2026
ACADIAN ASSET MANAGEMENT LLC History Added to 634,044 5,845 0.01% 0.01% 6 +185,284 41.29% Q1 2026 May 13, 2026
BlackRock, Inc. History Added to 616,586 5,691 0.0% 0.0% 7 +6,713 1.1% Q1 2026 May 13, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 594,288 5,485 0.0% 0.0% 8 +33,410 5.96% Q1 2026 May 07, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 566,809 5,231 0.01% 0.01% 9 -20,700 -3.52% Q1 2026 May 14, 2026
HEARTLAND ADVISORS INC History Added to 510,000 4,707 0.24% 0.24% 10 +10,000 2.0% Q1 2026 May 06, 2026
AMERICAN CENTURY COMPANIES INC History Added to 473,021 4,365 0.0% 0.0% 11 +120,863 34.32% Q1 2026 May 15, 2026
Meros Investment Management, LP History Reduced 469,408 4,332 1.88% 1.77% 12 -28,581 -5.74% Q1 2026 May 14, 2026
Hillsdale Investment Management Inc. History Added to 452,373 4,175 0.11% 0.11% 13 +5,000 1.12% Q1 2026 May 04, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History Reduced 368,712 3,403 0.0% 0.0% 14 -50,274 -12.0% Q1 2026 May 14, 2026
MILLENNIUM MANAGEMENT LLC History Added to 354,559 3,272 0.0% 0.0% 15 +68,276 23.85% Q1 2026 May 15, 2026
ESSEX INVESTMENT MANAGEMENT CO LLC History Added to 299,332 2,762 0.44% 0.4% 16 +5,275 1.79% Q1 2026 May 11, 2026
MARSHALL WACE, LLP History Added to 265,209 2,447 0.0% 0.0% 17 +121,430 84.46% Q1 2026 May 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 234,331 2,162 0.0% 0.0% 18 -71,396 -23.35% Q1 2026 May 15, 2026
Truffle Hound Capital, LLC History No change 230,000 2,122 0.55% 0.54% 19 0 0.0% Q1 2026 May 07, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 218,445 2,017 0.0% 0.0% 20 +322 0.15% Q1 2026 May 15, 2026
AWM Investment Company, Inc. History Reduced 201,077 1,855 0.21% 0.49% 21 -360,579 -64.2% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History Added to 185,411 1,711 0.0% 0.0% 22 +115,529 165.32% Q1 2026 May 15, 2026
Teton Advisors, LLC History No change 185,000 1,707 1.2% 1.15% 23 0 0.0% Q1 2026 May 14, 2026
North Star Investment Management Corp. History Added to 182,000 1,679 0.1% 0.02% 24 +153,000 527.59% Q1 2026 Apr 23, 2026
CITADEL ADVISORS LLC History Added to 169,954 1,568 0.0% 0.0% 25 +25,338 17.52% Q1 2026 May 15, 2026
GSA CAPITAL PARTNERS LLP History Added to 162,670 1,501 0.09% 0.1% 26 +34,839 27.25% Q1 2026 May 08, 2026
GABELLI FUNDS LLC History Reduced 148,485 1,370 0.01% 0.01% 27 -1,600 -1.07% Q1 2026 May 14, 2026
Russell Investments Group, Ltd. History Reduced 130,058 1,200 0.0% 0.0% 28 -90,234 -40.96% Q1 2026 May 08, 2026
AMERIPRISE FINANCIAL INC History Reduced 127,870 1,180 0.0% 0.0% 29 -1,567 -1.21% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Reduced 127,307 1,175 0.0% 0.0% 30 -30,856 -19.51% Q1 2026 May 12, 2026
VANGUARD FIDUCIARY TRUST CO History New 121,988 1,125 0.0% 31 +121,988 New Q1 2026 May 08, 2026
WHITE PINE CAPITAL LLC History Added to 115,611 1,067 0.3% 0.25% 32 +13,950 13.72% Q1 2026 May 11, 2026
Man Group plc History Added to 112,106 1,034 0.0% 0.0% 33 +58,910 110.74% Q1 2026 May 15, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 110,598 1,020 0.0% 0.0% 34 +19,377 21.24% Q1 2026 May 12, 2026
SEI INVESTMENTS CO History Added to 104,757 966 0.0% 0.0% 35 +57,948 123.8% Q1 2026 May 13, 2026
683 Capital Management, LLC History No change 100,465 927 0.05% 0.04% 36 0 0.0% Q1 2026 May 15, 2026
STATE STREET CORP History Added to 98,071 905 0.0% 0.0% 37 +1,200 1.24% Q1 2026 May 15, 2026
PERRITT CAPITAL MANAGEMENT INC History No change 96,800 868 1.45% 1.45% 38 0 0.0% Q4 2025 Feb 17, 2026
Legato Capital Management LLC History Reduced 93,768 865 0.08% 0.07% 39 -1,327 -1.4% Q1 2026 May 14, 2026
MORGAN STANLEY History Added to 88,408 816 0.0% 0.0% 40 +21,921 32.97% Q1 2026 May 15, 2026
PANAGORA ASSET MANAGEMENT INC History Added to 82,788 764 0.0% 0.0% 41 +17,287 26.39% Q1 2026 May 14, 2026
Expect Equity LLC History New 80,946 747 0.72% 42 +80,946 New Q1 2026 May 15, 2026
Ancora Advisors LLC History Reduced 80,661 744 0.02% 0.05% 43 -207,630 -72.02% Q1 2026 May 15, 2026
GLOBEFLEX CAPITAL L P History No change 79,961 738 0.11% 0.11% 44 0 0.0% Q1 2026 May 13, 2026
Qube Research & Technologies Ltd History Reduced 76,888 709 0.0% 0.0% 45 -9,375 -10.87% Q1 2026 May 15, 2026
MANGROVE PARTNERS IM, LLC History New 74,061 683 0.06% 46 +74,061 New Q1 2026 May 15, 2026
GOLDMAN SACHS GROUP INC History Reduced 72,332 667 0.0% 0.0% 47 -22,308 -23.57% Q1 2026 May 15, 2026
Connor, Clark & Lunn Investment Management Ltd. History Reduced 71,361 658 0.0% 0.0% 48 -6,116 -7.89% Q1 2026 May 11, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Added to 67,900 626 0.01% 0.01% 49 +30,000 79.16% Q1 2026 May 15, 2026
Bank of New York Mellon Corp History Reduced 65,079 600 0.0% 0.0% 50 -11,856 -15.41% Q1 2026 May 05, 2026
NORTHERN TRUST CORP History Added to 56,811 524 0.0% 0.0% 51 +3,624 6.81% Q1 2026 May 14, 2026
Point72 Asset Management, L.P. History Reduced 51,026 470 0.0% 0.0% 52 -30,808 -37.65% Q1 2026 May 15, 2026
ARS Investment Partners, LLC History Added to 48,815 450 0.02% 0.03% 53 +765 1.59% Q1 2026 Apr 16, 2026
Integrated Quantitative Investments LLC History No change 41,484 382 0.07% 0.08% 54 0 0.0% Q1 2026 May 13, 2026
O'SHAUGHNESSY ASSET MANAGEMENT, LLC History Added to 39,588 365 0.0% 0.0% 55 +10,966 38.31% Q1 2026 May 13, 2026
TWO SIGMA ADVISERS, LP History No change 39,270 352 0.0% 0.0% 56 0 0.0% Q4 2025 Feb 17, 2026
RITHOLTZ WEALTH MANAGEMENT History Added to 35,870 331 0.01% 0.0% 57 +18,362 104.88% Q1 2026 Apr 20, 2026
XTX Topco Ltd History Added to 32,744 302 0.01% 0.01% 58 +3,988 13.87% Q1 2026 May 15, 2026
Hudson Bay Capital Management LP History Added to 32,385 298 0.0% 0.0% 59 +1,877 6.15% Q1 2026 May 13, 2026
CANADA PENSION PLAN INVESTMENT BOARD History Added to 31,400 289 0.0% 0.0% 60 +23,300 287.65% Q1 2026 May 15, 2026
HSBC HOLDINGS PLC History Added to 30,097 281 0.0% 0.0% 61 +1,619 5.69% Q1 2026 Apr 30, 2026
Catalyst Funds Management Pty Ltd History Added to 30,200 278 0.05% 0.04% 63 +11,800 64.13% Q1 2026 May 11, 2026
BANK OF AMERICA CORP /DE/ History Added to 30,154 278 0.0% 0.0% 62 +3,269 12.16% Q1 2026 May 15, 2026
BAILARD, INC. History New 29,700 274 0.01% 64 +29,700 New Q1 2026 May 11, 2026
UBS Group AG History Added to 26,425 243 0.0% 0.0% 65 +19,590 286.61% Q1 2026 May 05, 2026
FMR LLC History Added to 26,125 241 0.0% 0.0% 66 +25,436 3691.73% Q1 2026 May 15, 2026
TOTH FINANCIAL ADVISORY CORP History New 25,000 230 0.03% 67 +25,000 New Q1 2026 Apr 16, 2026
BARCLAYS PLC History Reduced 23,286 214 0.0% 0.0% 68 -2,026 -8.0% Q1 2026 May 14, 2026
ALGERT GLOBAL LLC History No change 22,519 208 0.0% 0.0% 69 0 0.0% Q1 2026 May 14, 2026
SALEM INVESTMENT COUNSELORS INC History No change 22,417 206 0.01% 0.01% 70 0 0.0% Q1 2026 Apr 29, 2026
Rothschild Wealth LLC History Reduced 21,800 201 0.02% 0.08% 71 -75,000 -77.48% Q1 2026 May 06, 2026
HighTower Advisors, LLC History No change 21,061 194 0.0% 0.0% 72 0 0.0% Q1 2026 May 05, 2026
Carrera Capital Advisors History Added to 20,238 186 0.03% 0.02% 73 +8,930 78.97% Q1 2026 May 04, 2026
Jump Financial, LLC History Added to 17,133 158 0.0% 0.0% 74 +6,872 66.97% Q1 2026 May 14, 2026
CITIGROUP INC History Reduced 16,870 155 0.0% 0.0% 75 -9,954 -37.11% Q1 2026 May 11, 2026
OCCUDO QUANTITATIVE STRATEGIES LP History Reduced 13,211 133 0.01% 0.01% 76 -4,913 -27.11% Q1 2026 May 15, 2026
Brevan Howard Capital Management LP History New 14,040 129 0.0% 77 +14,040 New Q1 2026 May 15, 2026
OMERS ADMINISTRATION Corp History Reduced 12,900 119 0.0% 0.0% 78 -25,500 -66.41% Q1 2026 May 15, 2026
Squarepoint Ops LLC History New 12,862 118 0.0% 79 +12,862 New Q1 2026 May 15, 2026
Jain Global LLC History New 12,838 118 0.0% 80 +12,838 New Q1 2026 May 15, 2026
COMMERCE BANK History New 12,500 115 0.0% 81 +12,500 New Q1 2026 May 11, 2026
Clayton Partners LLC History New 12,400 114 0.08% 82 +12,400 New Q1 2026 May 15, 2026
FineMark National Bank & Trust History No change 12,500 112 0.0% 0.0% 83 0 0.0% Q4 2025 Feb 12, 2026
Schonfeld Strategic Advisors LLC History New 11,286 104 0.0% 84 +11,286 New Q1 2026 May 15, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 10,718 98 0.0% 0.0% 85 +63 0.59% Q1 2026 May 15, 2026
Redhawk Wealth Advisors, Inc. History New 10,230 94 0.01% 86 +10,230 New Q1 2026 Apr 15, 2026
JPMORGAN CHASE & CO History Reduced 9,896 92 0.0% 0.0% 87 -1,793 -15.34% Q1 2026 May 13, 2026
Vanguard Global Advisers, LLC History New 7,876 72 0.0% 88 +7,876 New Q1 2026 May 08, 2026
US BANCORP \DE\ History New 7,150 65 0.0% 89 +7,150 New Q1 2026 May 14, 2026
HighMark Wealth Management LLC History No change 2,800 25 0.01% 0.01% 90 0 0.0% Q1 2026 May 05, 2026
ROYAL BANK OF CANADA History Added to 2,671 24 0.0% 91 +2,642 9110.34% Q1 2026 May 15, 2026
BARD ASSOCIATES INC History No change 2,500 23 0.01% 0.01% 92 0 0.0% Q1 2026 May 07, 2026
Community Bank, N.A. History No change 1,000 9 0.0% 0.0% 93 0 0.0% Q1 2026 May 12, 2026
Smartleaf Asset Management LLC History No change 516 4 0.0% 0.0% 94 0 0.0% Q1 2026 May 15, 2026
Intentional Wealth Strategies, LLC History New 225 2 0.0% 95 +225 New Q1 2026 May 05, 2026
NISA INVESTMENT ADVISORS, LLC History No change 141 1 0.0% 0.0% 96 0 0.0% Q1 2026 Apr 30, 2026
VICTORY CAPITAL MANAGEMENT INC History Closed out 0 0 0.0% -51,584 -100.0% Q1 2026 May 15, 2026
PharVision Advisers, LLC History Closed out 0 0 0.21% -46,916 -100.0% Q1 2026 May 11, 2026
ExodusPoint Capital Management, LP History Closed out 0 0 0.0% -45,008 -100.0% Q1 2026 May 14, 2026
KESTRA PRIVATE WEALTH SERVICES, LLC History Closed out 0 0 0.0% -28,396 -100.0% Q1 2026 Apr 20, 2026
Centiva Capital, LP History Closed out 0 0 0.0% -23,497 -100.0% Q1 2026 May 14, 2026
Dynamic Technology Lab Private Ltd History Closed out 0 0 0.03% -13,724 -100.0% Q1 2026 May 15, 2026
Aristides Capital LLC History Closed out 0 0 0.02% -12,221 -100.0% Q1 2026 May 14, 2026
VIRTUS ADVISERS, LLC History Closed out 0 0 0.05% -11,200 -100.0% Q1 2026 May 14, 2026
BOOTHBAY FUND MANAGEMENT, LLC History Closed out 0 0 0.0% -10,888 -100.0% Q1 2026 May 15, 2026
Graham Capital Management, L.P. History Closed out 0 0 0.0% -10,604 -100.0% Q1 2026 May 15, 2026
GK Wealth Management LLC History Closed out 0 0 0.06% -10,569 -100.0% Q1 2026 Apr 07, 2026
LPL Financial LLC History Closed out 0 0 0.0% -10,300 -100.0% Q1 2026 May 06, 2026
Virtu Financial LLC History Closed out 0 0 0.0% -10,022 -100.0% Q1 2026 May 14, 2026
Quarry LP History Closed out 0 0 0.0% -3,464 -100.0% Q1 2026 May 15, 2026
NewEdge Advisors, LLC History Closed out 0 0 0.0% -935 -100.0% Q1 2026 May 15, 2026
OSAIC HOLDINGS, INC. History Closed out 0 0 0.0% -460 -100.0% Q1 2026 May 15, 2026
Tower Research Capital LLC (TRC) History Closed out 0 0 0.0% -241 -100.0% Q1 2026 May 15, 2026
CWM, LLC History Reduced 15 0 -12 -44.44% Q1 2026 May 14, 2026
Strategic Wealth Partners, Ltd. History No change 9 0 0 0.0% Q1 2026 May 12, 2026
Global Retirement Partners, LLC History No change 44 0 0 0.0% Q4 2025 Feb 06, 2026
SBI Securities Co., Ltd. History No change 11 0 0 0.0% Q1 2026 Apr 27, 2026
GAMMA Investing LLC History No change 26 0 0 0.0% Q1 2026 Apr 06, 2026