AMERICAN SHARED HOSPITAL SERVICES - AMS

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 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
DIMENSIONAL FUND ADVISORS LP History Reduced 206,414 435 0.0% 0.0% 1 -3,545 -1.69% Q4 2025 Feb 12, 2026
VANGUARD GROUP INC History No change 181,143 382 0.0% 0.0% 2 0 0.0% Q4 2025 Jan 29, 2026
Corient Private Wealth LLC History No change 160,559 338 0.0% 0.0% 3 0 0.0% Q4 2025 Mar 09, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Reduced 94,120 198 0.0% 0.01% 4 -2,571 -2.66% Q4 2025 Feb 17, 2026
DRW Securities, LLC History New 50,481 106 0.0% 5 +50,481 New Q4 2025 Feb 12, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 49,400 104 0.0% 0.0% 6 -400 -0.8% Q4 2025 Feb 12, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 32,665 68 0.0% 0.0% 7 0 0.0% Q4 2025 Feb 09, 2026
JAMES INVESTMENT RESEARCH, INC. History No change 29,725 62 0.01% 0.01% 8 0 0.0% Q4 2025 Jan 29, 2026
NewEdge Advisors, LLC History No change 29,725 62 0.0% 0.0% 9 0 0.0% Q4 2025 Feb 18, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History New 27,371 57 0.0% 10 +27,371 New Q4 2025 Feb 17, 2026
STATE STREET CORP History No change 12,101 25 0.0% 0.0% 11 0 0.0% Q4 2025 Feb 13, 2026
MORGAN STANLEY History Reduced 6,308 13 0.0% 0.0% 12 -502 -7.37% Q4 2025 Feb 13, 2026
Tower Research Capital LLC (TRC) History Added to 1,938 4 0.0% 0.0% 13 +283 17.1% Q4 2025 Feb 17, 2026
Empowered Funds, LLC History Closed out 0 0 0.0% -11,924 -100.0% Q3 2025 Nov 13, 2025
ACADIAN ASSET MANAGEMENT LLC History Closed out 0 0 0.0% -6,196 -100.0% Q3 2025 Nov 13, 2025
Farther Finance Advisors, LLC History Closed out 0 0 0.0% -502 -100.0% Q3 2025 Oct 14, 2025
OSAIC HOLDINGS, INC. History Closed out 0 0 -300 -100.0% Q3 2025 Nov 14, 2025
CITIGROUP INC History New 142 0 +142 New Q4 2025 Feb 13, 2026
ROYAL BANK OF CANADA History New 61 0 +61 New Q4 2025 Feb 17, 2026
UBS Group AG History Closed out 0 0 -50 -100.0% Q3 2025 Nov 13, 2025
BARCLAYS PLC History Closed out 0 0 -20 -100.0% Q3 2025 Mar 31, 2026
JPMORGAN CHASE & CO History Closed out 0 0 -7 -100.0% Q3 2025 Nov 26, 2025
BANK OF AMERICA CORP /DE/ History Reduced 60 0 -5 -7.69% Q4 2025 Feb 17, 2026
JONES FINANCIAL COMPANIES LLLP History No change 100 0 0 0.0% Q4 2025 Feb 17, 2026