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American Shared Hospital Services
AMSAdd to Watchlist
1.510USD
+0.050+3.42%
Close 07-31 16:00（ET）Quotes delayed by 15 min
9.97MMarket Cap
LossP/E TTM
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Stachowiak (Raymond C)
25.03%
Bates (Ernest A)
8.94%
Zucker (Anita G.)
8.85%
Dimensional Fund Advisors, L.P.
3.10%
Corient Private Wealth LLC
2.42%
Other
51.67%
Shareholders
Shareholders
Proportion
Stachowiak (Raymond C)
25.03%
Bates (Ernest A)
8.94%
Zucker (Anita G.)
8.85%
Dimensional Fund Advisors, L.P.
3.10%
Corient Private Wealth LLC
2.42%
Other
51.67%
Shareholder Types
Shareholders
Proportion
Individual Investor
46.04%
Investment Advisor
9.48%
Investment Advisor/Hedge Fund
4.22%
Hedge Fund
0.77%
Other
39.49%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
34
959.37K
14.48%
+78.92K
2025Q4
34
831.79K
14.31%
--
2025Q3
35
831.79K
14.69%
-21.95K
2025Q2
30
853.74K
14.94%
-43.31K
2025Q1
30
897.05K
17.52%
-232.79K
2024Q4
30
1.06M
17.70%
-17.28K
2024Q3
29
1.08M
17.83%
-8.75K
2024Q2
29
1.09M
17.47%
+28.93K
2024Q1
29
1.06M
17.14%
-24.80K
2023Q4
28
1.05M
17.92%
-43.89K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Stachowiak (Raymond C)
1.56M
23.73%
+45.68K
+3.02%
Oct 01, 2025
Bates (Ernest A)
592.21K
9.02%
--
--
Apr 28, 2025
Zucker (Anita G.)
586.47K
8.93%
+78.35K
+15.42%
May 08, 2025
Dimensional Fund Advisors, L.P.
206.41K
3.14%
-3.54K
-1.69%
Dec 31, 2025
Corient Private Wealth LLC
160.56K
2.44%
--
--
Dec 31, 2025
Delanois (Gary)
120.00K
1.83%
+120.00K
--
Oct 14, 2024
Bridgeway Capital Management, LLC
94.12K
1.43%
-2.57K
-2.66%
Dec 31, 2025
DRW Securities, LLC
50.48K
0.77%
+50.48K
--
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Dimensional US Core Equity 1 ETF
0%
DFA Dimensional US Sustainability Core 1 ETF
0%
DFA Dimensional US Small Cap Value ETF
0%
Dimensional US Core Equity 1 ETF
Proportion0%
DFA Dimensional US Sustainability Core 1 ETF
Proportion0%
DFA Dimensional US Small Cap Value ETF
Proportion0%