23 institutions reported holding $798,632 of AMERICAN SHARED HOSPITAL SVC (AMS) in SEC 13F filings for 2026-06-30. Largest institutional holders: DIMENSIONAL FUND ADVISORS LP ($161,381), LPL Financial LLC ($128,590), VANGUARD GROUP INC ($128,020), RENAISSANCE TECHNOLOGIES LLC ($91,158), NewEdge Advisors, LLC ($46,966). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | DIMENSIONAL FUND ADVISORS LP | $161,381 | 102,140 | Trimmed |
| 2 | LPL Financial LLC | $128,590 | 81,386 | Added |
| 3 | VANGUARD GROUP INC | $128,020 | 81,025 | Trimmed |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $91,158 | 57,695 | Added |
| 5 | NewEdge Advisors, LLC | $46,966 | 29,725 | Hold |
| 6 | JAMES INVESTMENT RESEARCH, INC. | $46,966 | 29,725 | Hold |
| 7 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $46,016 | 29,124 | Trimmed |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $41,889 | 26,497 | Trimmed |
| 9 | XTX Topco Ltd | $30,189 | 19,107 | New |
| 10 | UBS Group AG | $29,064 | 18,395 | Added |
| 11 | STATE STREET CORP | $19,120 | 12,101 | Hold |
| 12 | Empowered Funds, LLC | $18,840 | 11,924 | Hold |
| 13 | MORGAN STANLEY | $9,256 | 5,858 | Hold |
| 14 | CITIGROUP INC | $717 | 454 | New |
| 15 | Caitong International Asset Management Co., Ltd | $169 | 107 | New |
| 16 | JONES FINANCIAL COMPANIES LLLP | $161 | 100 | Hold |
| 17 | BARCLAYS PLC | $130 | 82 | New |
| 18 | Royal Bank of Canada | $0 | 69 | Hold |
| 19 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 20 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 21 | Corient Private Wealth LLC | $0 | 0 | Exited |
| 22 | DRW Securities, LLC | $0 | 0 | Exited |
| 23 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30