InfuSystem Holdings, Inc - INFU
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
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 | 1,078,731 | 9,676 | 6.46% | 6.75% | 1 | +52,942 | 5.16% | Q4 2025 | Feb 09, 2026 |
| VANGUARD GROUP INC | History | Added to | 981,575 | 8,804 | 0.0% | 0.0% | 2 | +5,398 | 0.55% | Q4 2025 | Jan 29, 2026 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | History | Added to | 824,750 | 7,398 | 0.43% | 0.49% | 3 | +15,000 | 1.85% | Q4 2025 | Feb 17, 2026 |
| First Eagle Investment Management, LLC | History | Reduced | 751,371 | 6,739 | 0.01% | 0.02% | 4 | -50,500 | -6.3% | Q4 2025 | Feb 04, 2026 |
| BlackRock, Inc. | History | Added to | 609,873 | 5,470 | 0.0% | 0.0% | 5 | +91,558 | 17.66% | Q4 2025 | Feb 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 587,509 | 5,269 | 0.01% | 0.01% | 6 | +11,795 | 2.05% | Q4 2025 | Feb 12, 2026 |
| AWM Investment Company, Inc. | History | No change | 561,656 | 5,038 | 0.49% | 0.55% | 7 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 560,878 | 5,030 | 0.0% | 0.0% | 8 | -8,360 | -1.47% | Q4 2025 | Feb 12, 2026 |
| HEARTLAND ADVISORS INC | History | Added to | 500,000 | 4,485 | 0.24% | 0.23% | 9 | +75,000 | 17.65% | Q4 2025 | Feb 11, 2026 |
| Meros Investment Management, LP | History | Added to | 497,989 | 4,466 | 1.77% | 2.11% | 10 | +20,711 | 4.34% | Q4 2025 | Feb 17, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 448,760 | 4,020 | 0.01% | 0.01% | 11 | +168,823 | 60.31% | Q4 2025 | Feb 10, 2026 |
| Hillsdale Investment Management Inc. | History | Reduced | 447,373 | 4,012 | 0.11% | 0.14% | 12 | -2,900 | -0.64% | Q4 2025 | Feb 10, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | Reduced | 418,986 | 3,758 | 0.0% | 0.0% | 13 | -30,362 | -6.76% | Q4 2025 | Feb 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Added to | 352,158 | 3,158 | 0.0% | 0.0% | 14 | +156,505 | 79.99% | Q4 2025 | Feb 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 305,727 | 2,742 | 0.0% | 0.0% | 15 | +51,632 | 20.32% | Q4 2025 | Feb 17, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | Reduced | 294,057 | 2,637 | 0.4% | 0.48% | 16 | -6,340 | -2.11% | Q4 2025 | Feb 13, 2026 |
| Ancora Advisors LLC | History | Added to | 288,291 | 2,585 | 0.05% | 0.04% | 17 | +85,960 | 42.48% | Q4 2025 | Feb 17, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 286,283 | 2,567 | 0.0% | 0.0% | 18 | -128,895 | -31.05% | Q4 2025 | Feb 17, 2026 |
| Truffle Hound Capital, LLC | History | No change | 230,000 | 2,063 | 0.54% | 0.67% | 19 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 220,292 | 1,976 | 0.0% | 0.0% | 20 | +101,555 | 85.53% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 218,123 | 1,957 | 0.0% | 0.0% | 21 | +1,831 | 0.85% | Q4 2025 | Feb 09, 2026 |
| Teton Advisors, LLC | History | No change | 185,000 | 1,659 | 1.15% | 1.18% | 22 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 158,163 | 1,418 | 0.0% | 0.0% | 23 | +74,569 | 89.2% | Q4 2025 | Feb 12, 2026 |
| GABELLI FUNDS LLC | History | New | 150,085 | 1,346 | 0.01% | — | 24 | +150,085 | New | Q4 2025 | Feb 05, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 144,616 | 1,297 | 0.0% | 0.0% | 25 | -51,787 | -26.37% | Q4 2025 | Feb 17, 2026 |
| MARSHALL WACE, LLP | History | Reduced | 143,779 | 1,289 | 0.0% | 0.0% | 26 | -40,524 | -21.99% | Q4 2025 | Feb 13, 2026 |
| AMERIPRISE FINANCIAL INC | History | No change | 129,437 | 1,161 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Added to | 127,831 | 1,147 | 0.1% | 0.09% | 28 | +22,768 | 21.67% | Q4 2025 | Feb 06, 2026 |
| WHITE PINE CAPITAL LLC | History | Reduced | 101,661 | 911 | 0.25% | 0.3% | 29 | -1,067 | -1.04% | Q4 2025 | Feb 09, 2026 |
| 683 Capital Management, LLC | History | New | 100,465 | 901 | 0.04% | — | 30 | +100,465 | New | Q4 2025 | Feb 17, 2026 |
| Rothschild Wealth LLC | History | New | 96,800 | 868 | 0.08% | — | 33 | +96,800 | New | Q4 2025 | Feb 17, 2026 |
| STATE STREET CORP | History | Added to | 96,871 | 868 | 0.0% | 0.0% | 31 | +3,900 | 4.19% | Q4 2025 | Feb 13, 2026 |
| PERRITT CAPITAL MANAGEMENT INC | History | No change | 96,800 | 868 | 1.45% | 0.47% | 32 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Legato Capital Management LLC | History | Added to | 95,095 | 853 | 0.07% | 0.1% | 34 | +8,350 | 9.63% | Q4 2025 | Feb 06, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 94,640 | 848 | 0.0% | 0.0% | 35 | -33,622 | -26.21% | Q4 2025 | Mar 25, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 91,221 | 818 | 0.0% | 0.0% | 36 | +63,313 | 226.86% | Q4 2025 | Feb 10, 2026 |
| Qube Research & Technologies Ltd | History | Added to | 86,263 | 773 | 0.0% | 0.0% | 37 | +16,910 | 24.38% | Q4 2025 | Feb 17, 2026 |
| Point72 Asset Management, L.P. | History | New | 81,834 | 734 | 0.0% | — | 38 | +81,834 | New | Q4 2025 | Feb 17, 2026 |
| GLOBEFLEX CAPITAL L P | History | No change | 79,961 | 717 | 0.11% | 0.13% | 39 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | Reduced | 77,477 | 694 | 0.0% | 0.0% | 40 | -25,160 | -24.51% | Q4 2025 | Feb 10, 2026 |
| Bank of New York Mellon Corp | History | Added to | 76,935 | 690 | 0.0% | 0.0% | 41 | +24,713 | 47.32% | Q4 2025 | Feb 10, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 69,882 | 626 | 0.0% | 0.0% | 42 | -14,715 | -17.39% | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | Added to | 66,487 | 596 | 0.0% | 0.0% | 43 | +22,236 | 50.25% | Q4 2025 | Feb 13, 2026 |
| PANAGORA ASSET MANAGEMENT INC | History | Added to | 65,501 | 587 | 0.0% | 0.0% | 44 | +49,003 | 297.02% | Q4 2025 | Feb 13, 2026 |
| Man Group plc | History | Added to | 53,196 | 477 | 0.0% | 0.0% | 46 | +8,899 | 20.09% | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Added to | 53,187 | 477 | 0.0% | 0.0% | 45 | +5,081 | 10.56% | Q4 2025 | Feb 17, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | History | New | 51,584 | 462 | 0.0% | — | 47 | +51,584 | New | Q4 2025 | Feb 13, 2026 |
| ARS Investment Partners, LLC | History | Added to | 48,050 | 431 | 0.03% | 0.01% | 48 | +36,750 | 325.22% | Q4 2025 | Feb 05, 2026 |
| PharVision Advisers, LLC | History | New | 46,916 | 420 | 0.21% | — | 49 | +46,916 | New | Q4 2025 | Feb 17, 2026 |
| SEI INVESTMENTS CO | History | New | 46,809 | 419 | 0.0% | — | 50 | +46,809 | New | Q4 2025 | Feb 13, 2026 |
| ExodusPoint Capital Management, LP | History | New | 45,008 | 403 | 0.0% | — | 51 | +45,008 | New | Q4 2025 | Feb 17, 2026 |
| Integrated Quantitative Investments LLC | History | Added to | 41,484 | 372 | 0.08% | 0.11% | 52 | +2,684 | 6.92% | Q4 2025 | Feb 12, 2026 |
| TWO SIGMA ADVISERS, LP | History | Reduced | 39,270 | 352 | 0.0% | 0.0% | 53 | -530 | -1.33% | Q4 2025 | Feb 17, 2026 |
| OMERS ADMINISTRATION Corp | History | New | 38,400 | 344 | 0.0% | — | 54 | +38,400 | New | Q4 2025 | Feb 13, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 37,900 | 339 | 0.01% | 0.01% | 55 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Hudson Bay Capital Management LP | History | New | 30,508 | 273 | 0.0% | — | 56 | +30,508 | New | Q4 2025 | Feb 13, 2026 |
| North Star Investment Management Corp. | History | New | 29,000 | 260 | 0.02% | — | 57 | +29,000 | New | Q4 2025 | Jan 30, 2026 |
| XTX Topco Ltd | History | Added to | 28,756 | 257 | 0.01% | 0.01% | 58 | +9,337 | 48.08% | Q4 2025 | Feb 17, 2026 |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | History | New | 28,622 | 256 | 0.0% | — | 59 | +28,622 | New | Q4 2025 | Feb 11, 2026 |
| HSBC HOLDINGS PLC | History | Added to | 28,478 | 254 | 0.0% | 0.0% | 60 | +2,763 | 10.74% | Q4 2025 | Mar 20, 2026 |
| KESTRA PRIVATE WEALTH SERVICES, LLC | History | Added to | 28,396 | 254 | 0.0% | 0.0% | 61 | +728 | 2.63% | Q4 2025 | Jan 29, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 26,885 | 241 | 0.0% | 0.0% | 62 | -2,901 | -9.74% | Q4 2025 | Feb 17, 2026 |
| CITIGROUP INC | History | Reduced | 26,824 | 240 | 0.0% | 0.0% | 63 | -112,881 | -80.8% | Q4 2025 | Feb 13, 2026 |
| BARCLAYS PLC | History | Added to | 25,312 | 227 | 0.0% | 0.0% | 64 | +13,207 | 109.1% | Q4 2025 | Feb 13, 2026 |
| Centiva Capital, LP | History | Reduced | 23,497 | 210 | 0.0% | 0.0% | 65 | -26,823 | -53.3% | Q4 2025 | Feb 13, 2026 |
| ALGERT GLOBAL LLC | History | Reduced | 22,519 | 202 | 0.0% | 0.0% | 66 | -5,790 | -20.45% | Q4 2025 | Feb 17, 2026 |
| SALEM INVESTMENT COUNSELORS INC | History | No change | 22,417 | 201 | 0.01% | 0.01% | 67 | 0 | 0.0% | Q4 2025 | Jan 12, 2026 |
| HighTower Advisors, LLC | History | Added to | 21,061 | 188 | 0.0% | 0.0% | 68 | +2,561 | 13.84% | Q4 2025 | Feb 06, 2026 |
| Catalyst Funds Management Pty Ltd | History | No change | 18,400 | 165 | 0.04% | 0.03% | 69 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| OCCUDO QUANTITATIVE STRATEGIES LP | History | Reduced | 18,124 | 162 | 0.01% | 0.03% | 70 | -2,108 | -10.42% | Q4 2025 | Feb 17, 2026 |
| RITHOLTZ WEALTH MANAGEMENT | History | New | 17,508 | 157 | 0.0% | — | 71 | +17,508 | New | Q4 2025 | Jan 23, 2026 |
| Dynamic Technology Lab Private Ltd | History | Added to | 13,724 | 123 | 0.03% | 0.02% | 72 | +2,811 | 25.76% | Q4 2025 | Feb 13, 2026 |
| FineMark National Bank & Trust | History | No change | 12,500 | 112 | 0.0% | 0.0% | 73 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Aristides Capital LLC | History | New | 12,221 | 109 | 0.02% | — | 74 | +12,221 | New | Q4 2025 | Feb 26, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 11,689 | 104 | 0.0% | 0.0% | 75 | -5,110 | -30.42% | Q4 2025 | Feb 11, 2026 |
| Carrera Capital Advisors | History | New | 11,308 | 101 | 0.02% | — | 76 | +11,308 | New | Q4 2025 | Jan 30, 2026 |
| VIRTUS ADVISERS, LLC | History | New | 11,200 | 100 | 0.05% | — | 77 | +11,200 | New | Q4 2025 | Feb 13, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | New | 10,888 | 97 | 0.0% | — | 78 | +10,888 | New | Q4 2025 | Feb 17, 2026 |
| Graham Capital Management, L.P. | History | Reduced | 10,604 | 95 | 0.0% | 0.0% | 80 | -11,944 | -52.97% | Q4 2025 | Feb 17, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 10,655 | 95 | 0.0% | 0.0% | 79 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| GK Wealth Management LLC | History | New | 10,569 | 94 | 0.06% | — | 81 | +10,569 | New | Q4 2025 | Jan 05, 2026 |
| Jump Financial, LLC | History | Reduced | 10,261 | 92 | 0.0% | 0.01% | 83 | -37,208 | -78.38% | Q4 2025 | Feb 17, 2026 |
| LPL Financial LLC | History | New | 10,300 | 92 | 0.0% | — | 82 | +10,300 | New | Q4 2025 | Feb 11, 2026 |
| Virtu Financial LLC | History | New | 10,022 | 90 | 0.0% | — | 84 | +10,022 | New | Q4 2025 | Feb 23, 2026 |
| CANADA PENSION PLAN INVESTMENT BOARD | History | New | 8,100 | 72 | 0.0% | — | 85 | +8,100 | New | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Added to | 6,835 | 61 | 0.0% | 0.0% | 86 | +787 | 13.01% | Q4 2025 | Jan 29, 2026 |
| Quarry LP | History | New | 3,464 | 31 | 0.0% | — | 87 | +3,464 | New | Q4 2025 | Feb 13, 2026 |
| HighMark Wealth Management LLC | History | No change | 2,800 | 25 | 0.01% | 0.01% | 88 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| BARD ASSOCIATES INC | History | Reduced | 2,500 | 22 | 0.01% | 0.12% | 89 | -41,900 | -94.37% | Q4 2025 | Feb 13, 2026 |
| NewEdge Advisors, LLC | History | Added to | 935 | 8 | 0.0% | 0.0% | 91 | +219 | 30.59% | Q4 2025 | Feb 18, 2026 |
| Community Bank, N.A. | History | No change | 1,000 | 8 | 0.0% | 0.0% | 90 | 0 | 0.0% | Q4 2025 | Feb 04, 2026 |
| FMR LLC | History | Reduced | 689 | 6 | 0.0% | 0.0% | 92 | -202 | -22.67% | Q4 2025 | Feb 17, 2026 |
| Smartleaf Asset Management LLC | History | New | 516 | 4 | 0.0% | — | 94 | +516 | New | Q4 2025 | Feb 13, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 460 | 4 | 0.0% | 0.0% | 93 | +200 | 76.92% | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 241 | 2 | 0.0% | — | 95 | +237 | 5925.0% | Q4 2025 | Feb 17, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 141 | 1 | 0.0% | 0.0% | 96 | 0 | 0.0% | Q4 2025 | Jan 15, 2026 |
| Cetera Investment Advisers | History | Closed out | 0 | 0 | — | 0.0% | — | -129,416 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Cambridge Investment Research Advisors, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -25,430 | -100.0% | Q3 2025 | Nov 12, 2025 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -17,375 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Engineers Gate Manager LP | History | Closed out | 0 | 0 | — | 0.0% | — | -13,764 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Quadrature Capital Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -10,063 | -100.0% | Q3 2025 | Nov 13, 2025 |
| GREENWOOD CAPITAL ASSOCIATES LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -10,029 | -100.0% | Q3 2025 | Oct 16, 2025 |
| Financial Management Professionals, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -2,135 | -100.0% | Q3 2025 | Oct 15, 2025 |
| WELLS FARGO & COMPANY/MN | History | Closed out | 0 | 0 | — | 0.0% | — | -2,072 | -100.0% | Q3 2025 | Nov 13, 2025 |
| SIMPLEX TRADING, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,511 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Wealthspire Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -330 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Ameritas Advisory Services, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -250 | -100.0% | Q3 2025 | Nov 06, 2025 |
| CWM, LLC | History | Reduced | 27 | 0 | — | 0.0% | — | -82 | -75.23% | Q4 2025 | Jan 26, 2026 |
| Global Retirement Partners, LLC | History | Added to | 44 | 0 | — | — | — | +42 | 2100.0% | Q4 2025 | Feb 06, 2026 |
| ROYAL BANK OF CANADA | History | New | 29 | 0 | — | — | — | +29 | New | Q4 2025 | Feb 17, 2026 |
| Arax Advisory Partners | History | Closed out | 0 | 0 | — | — | — | -20 | -100.0% | Q3 2025 | Nov 14, 2025 |
| True Wealth Design, LLC | History | Closed out | 0 | 0 | — | — | — | -9 | -100.0% | Q3 2025 | Oct 21, 2025 |
| IFP Advisors, Inc | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q3 2025 | Feb 06, 2026 |
| SBI Securities Co., Ltd. | History | No change | 11 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |
| GAMMA Investing LLC | History | No change | 26 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 05, 2026 |