Who Owns American Shared Hospital Services (AMS)?Hedge Fund & Institutional Holders
Institutional Holders
23
as of Q4 2025
Total Institutional Value
$33862000000000000.0T
% of Float Held
—
QoQ Change in Holders
+5 / -6
Price History
AMS — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| JAMES INVESTMENT RESEARCH, INC. | New Position | +30K | +$62K |
| ROYAL BANK OF CANADA | Increased | +49 | +$0 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New Position | +27K | +$0 |
| DRW Securities, LLC | New Position | +50K | +$0 |
| JONES FINANCIAL COMPANIES LLLP | New Position | +100 | +$0 |
| CITIGROUP INC | New Position | +142 | +$0 |
| Tower Research Capital LLC (TRC) | Increased | +283 | +$-4.6M |
AMS — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | Decreased | -4K | -$587.9M |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Decreased | -3K | -$270.7M |
| RENAISSANCE TECHNOLOGIES LLC | Decreased | -400 | -$139.4M |
| Farther Finance Advisors, LLC | Closed Position | -502 | -$1.4M |
| OSAIC HOLDINGS, INC. | Closed Position | -300 | -$840K |
| UBS Group AG | Closed Position | -50 | -$140K |
| BARCLAYS PLC | Closed Position | -20 | -$56K |
| MORGAN STANLEY | Decreased | -502 | -$18K |
| ACADIAN ASSET MANAGEMENT LLC | Closed Position | -6K | -$17K |
| JPMORGAN CHASE & CO | Closed Position | -7 | -$0 |
| BANK OF AMERICA CORP /DE/ | Decreased | -5 | -$0 |
Top Institutional Holders(Q4 2025)
AMS Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 19 | $400K | -1 |
| Q3 2025 | 20 | $1.1B | +4 |
| Q2 2025 | 16 | $1.1B | -2 |
| Q1 2025 | 18 | $1.5B | +0 |
| Q4 2024 | 18 | $40.1B | +0 |
| Q3 2024 | 18 | $37.7B | -2 |
| Q2 2024 | 20 | $37.6B | +1 |
| Q1 2024 | 19 | $32.1T | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 23 institutional investors hold AMS (American Shared Hospital Services). The largest holder is Corient Private Wealth LLC with $338K in shares. This quarter, 5 institutions opened new positions and 6 closed their positions.
Frequently Asked Questions
How many hedge funds own AMS?
As of Q4 2025, 23 institutional investors report holding AMS (American Shared Hospital Services) in their 13F filings.
Who is the largest institutional holder of AMS?
The largest institutional holder of AMS is Corient Private Wealth LLC with $338K in shares.
Is institutional ownership of AMS increasing or decreasing?
This quarter, 5 institutions opened new positions in AMS and 6 closed their positions.