Who owns InfuSystem Holdings, Inc.?
Institutional ownership of INFU from SEC Form 13F filings across 70 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
70
13F holders
$70.9M
value, 2026 filers
40.2%
of shares outstanding (8.1M sh)
23
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of INFU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.6M | $15.3M | 0.0% | 7.9% | +157.1% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 790,775 | $7.6M | 0.0% | 3.9% | -54.0% |
| 3 | ACADIAN ASSET MANAGEMENT LLC | 743,155 | $7,165 | 0.0% | 3.7% | +17.2% |
| 4 | AMERICAN CENTURY COMPANIES INC | 675,028 | $6.5M | 0.0% | 3.3% | +42.7% |
| 5 | First Eagle Investment Management, LLC | 620,000 | $6.0M | 0.0% | 3.1% | -57.0% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 496,059 | $4.8M | 0.0% | 2.5% | +127.1% |
| 7 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 368,712 | $3.6M | 0.0% | 1.8% | 0.0% |
| 8 | WHITE PINE CAPITAL LLC | 225,634 | $2.2M | 0.5% | 1.1% | +95.2% |
| 9 | North Star Investment Management Corp. | 182,000 | $1.8M | 0.1% | 0.9% | 0.0% |
| 10 | CITADEL ADVISORS LLC | 180,650 | $1.7M | 0.0% | 0.9% | +6.3% |
| 11 | NORTHERN TRUST CORP | 153,506 | $1.5M | 0.0% | 0.8% | +170.2% |
| 12 | TWO SIGMA INVESTMENTS, LP | 148,347 | $1.4M | 0.0% | 0.7% | -20.0% |
| 13 | VANGUARD FIDUCIARY TRUST CO | 141,134 | $1.4M | 0.0% | 0.7% | +15.7% |
| 14 | VANGUARD PORTFOLIO MANAGEMENT LLCNEW | 134,038 | $1.3M | 0.0% | 0.7% | new |
| 15 | Man Group plc | 130,379 | $1.3M | 0.0% | 0.6% | +16.3% |
| 16 | RITHOLTZ WEALTH MANAGEMENT | 128,374 | $1.2M | 0.0% | 0.6% | +257.9% |
| 17 | Russell Investments Group, Ltd. | 117,545 | $1.1M | 0.0% | 0.6% | -9.6% |
| 18 | Bank of New York Mellon Corp | 103,136 | $995,266 | 0.0% | 0.5% | +58.5% |
| 19 | GOLDMAN SACHS GROUP INC | 102,076 | $985,033 | 0.0% | 0.5% | +41.1% |
| 20 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 89,906 | $867,593 | 0.0% | 0.4% | +127.1% |
| 21 | Connor, Clark & Lunn Investment Management Ltd. | 83,207 | $802,948 | 0.0% | 0.4% | +16.6% |
| 22 | Ancora Advisors LLCNEW | 80,661 | $778,379 | 0.0% | 0.4% | new |
| 23 | MORGAN STANLEY | 71,834 | $693,198 | 0.0% | 0.4% | -18.7% |
| 24 | AMERIPRISE FINANCIAL INC | 60,734 | $586,083 | 0.0% | 0.3% | -52.5% |
| 25 | Sixth Street Partners Management Company, L.P.NEW | 57,584 | $555,686 | 0.1% | 0.3% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.