SAN FRANCISCO, CA
AMERICAN SHARED HOSPITAL SERVICESAMS— Latest position per institution from SEC 13F filings
15
Institutional holders
1.40M
Total shares held
2.78M
Estimated value
70.01K
Avg. position size
NATIONAL PHILANTHROPIC TRUST
CIK 1785342
Shares
410.75K
Value
1.15M
Filed
Sep 30, 2025
VANGUARD GROUP INC
CIK 102909
Shares
181.14K
Value
382.21K
Filed
Dec 31, 2025
CORIENT PRIVATE WEALTH LP
CIK 1948780
Shares
160.56K
Value
232.81K
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
102.14K
Value
161.38K
Filed
Jun 30, 2026
LPL FINANCIAL LLC
CIK 1403438
Shares
81.39K
Value
128.59K
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
57.70K
Value
91.16K
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
55.66K
Value
87.95K
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
42.31K
Value
61.35K
Filed
Mar 31, 2026
FINANCIAL COUNSELORS INC
CIK 949623
Shares
37.12K
Value
103.20K
Filed
Mar 31, 2025
DRW SECURITIES, LLC
CIK 1481986
Shares
32.89K
Value
47.69K
Filed
Mar 31, 2026
JAMES INVESTMENT RESEARCH, INC.
CIK 810384
Shares
29.73K
Value
42.21K
Filed
Sep 30, 2026
NEWEDGE ADVISORS, LLC
CIK 1633516
Shares
29.73K
Value
46.97K
Filed
Jun 30, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 1107261
Shares
29.12K
Value
46.02K
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
28.56K
Value
41.41K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
26.50K
Value
41.89K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
25.36K
Value
40.07K
Filed
Jun 30, 2026
CANTON HATHAWAY, LLC
CIK 1755785
Shares
20K
Value
49.00
Filed
Sep 30, 2023
XTX TOPCO LTD
CIK 1828301
Shares
19.11K
Value
30.19K
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
18.39K
Value
29.06K
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
12.10K
Value
19.12K
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | NATIONAL PHILANTHROPIC TRUST | 1785342 | 410.75K | 1.15M | Sep 30, 2025 |
| 2 | VANGUARD GROUP INC | 102909 | 181.14K | 382.21K | Dec 31, 2025 |
| 3 | CORIENT PRIVATE WEALTH LP | 1948780 | 160.56K | 232.81K | Mar 31, 2026 |
| 4 | DIMENSIONAL FUND ADVISORS LP | 354204 | 102.14K | 161.38K | Jun 30, 2026 |
| 5 | LPL FINANCIAL LLC | 1403438 | 81.39K | 128.59K | Jun 30, 2026 |
| 6 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 57.70K | 91.16K | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 55.66K | 87.95K | Jun 30, 2026 |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 42.31K | 61.35K | Mar 31, 2026 |
| 9 | FINANCIAL COUNSELORS INC | 949623 | 37.12K | 103.20K | Mar 31, 2025 |
| 10 | DRW SECURITIES, LLC | 1481986 | 32.89K | 47.69K | Mar 31, 2026 |
| 11 | JAMES INVESTMENT RESEARCH, INC. | 810384 | 29.73K | 42.21K | Sep 30, 2026 |
| 12 | NEWEDGE ADVISORS, LLC | 1633516 | 29.73K | 46.97K | Jun 30, 2026 |
| 13 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | 29.12K | 46.02K | Jun 30, 2026 |
| 14 | CITADEL ADVISORS LLC | 1423053 | 28.56K | 41.41K | Mar 31, 2026 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 26.50K | 41.89K | Jun 30, 2026 |
| 16 | VANGUARD FIDUCIARY TRUST CO | 933478 | 25.36K | 40.07K | Jun 30, 2026 |
| 17 | CANTON HATHAWAY, LLC | 1755785 | 20K | 49.00 | Sep 30, 2023 |
| 18 | XTX TOPCO LTD | 1828301 | 19.11K | 30.19K | Jun 30, 2026 |
| 19 | UBS GROUP AG | 1610520 | 18.39K | 29.06K | Jun 30, 2026 |
| 20 | STATE STREET CORP | 93751 | 12.10K | 19.12K | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.