AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value (AMS)

Historical Holders from Q1 2014 to Q3 2025

Symbol
AMS on NYSE
Type / Class
Equity / Common Stock, no par value
Shares outstanding
6,585,388
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
829,997
Holdings value
$2,323,695
% of all portfolios
0%
Number of holders
20
Number of buys
5
Number of sells
8
Average buys %
0%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value (AMS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Stachowiak Raymond C 24% +3.9% $3,558,480 +$189,240 1,560,737 +5.6% Stachowiak Raymond C 01 Oct 2025
Zucker Anita G 9.1% +15% $1,595,193 +$213,115 586,468 +15% Anita G. Zucker 08 May 2025
As of 30 Sep 2025 AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value (AMS) has 20 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 829,997 shares of 6,585,388 outstanding shares and own 13% of the company stock as of 30 Sep 2025.

Top 22 institutional shareholders of AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value (AMS) own 13% of the company based on 13F filings as of 30 Sep 2025

Filer Ownership Holdings Value Nb Shares Share Change %
DIMENSIONAL FUND ADVISORS LP 3.2% $587,885 209,959 0%
VANGUARD GROUP INC 2.8% $507,201 181,143 -0.06%
Corient Private Wealth LLC 2.4% $449,565 160,559 0%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 1.5% $270,735 96,691 0%
RENAISSANCE TECHNOLOGIES LLC 0.76% $139,440 49,800 -25%
GEODE CAPITAL MANAGEMENT, LLC 0.5% $91,503 32,665 -1.3%
NewEdge Advisors, LLC 0.45% $83,230 29,725 0%
JAMES INVESTMENT RESEARCH, INC. 0.45% $83,230 29,725 0%
STATE STREET CORP 0.18% $33,883 12,101 0%
Empowered Funds, LLC 0.18% $33,387 11,924 0%
MORGAN STANLEY 0.1% $19,068 6,810 +7.1%
ACADIAN ASSET MANAGEMENT LLC 0.09% $17,000 6,196 -16%
Tower Research Capital LLC (TRC) 0.03% $4,634 1,655 -0.42%
Farther Finance Advisors, LLC 0.01% $1,406 502
OSAIC HOLDINGS, INC. 0% $840 300 0%
JONES FINANCIAL COMPANIES LLLP 0% $290 100
BANK OF AMERICA CORP /DE/ 0% $182 65 -9.7%
UBS Group AG 0% $140 50
BARCLAYS PLC 0% $56 20
JPMORGAN CHASE & CO 0% $20 7 0%
RAYMOND JAMES FINANCIAL INC 0% $0 0 -100%
WELLS FARGO & COMPANY/MN 0% $0 0 -100%

Institutional Holders of AMERICAN SHARED HOSPITAL SERVICES - Common Stock, no par value (AMS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q3 829,997 $2,323,695 -$59,678 $2.80 20
2025 Q2 851,957 $2,052,429 -$117,209 $2.41 18
2025 Q1 895,265 $2,488,840 -$461,819 $2.78 18
2024 Q4 1,061,391 $3,385,797 -$53,407 $3.19 17
2024 Q3 1,078,673 $3,289,131 -$27,334 $3.05 18
2024 Q2 1,087,419 $3,472,254 +$93,742 $3.20 19
2024 Q1 1,058,385 $3,121,613 +$48,922 $2.95 19
2023 Q4 1,048,628 $2,503,025 -$107,560 $2.38 18
2023 Q3 1,093,682 $2,698,048 -$2,172 $2.47 21
2023 Q2 1,094,301 $2,794,752 -$11,708 $2.56 18
2023 Q1 1,098,901 $3,086,282 +$135,379 $2.81 19
2022 Q4 1,050,557 $3,061,300 +$61,925 $2.93 18
2022 Q3 850,752 $2,202,000 +$108,097 $2.59 14
2022 Q2 808,281 $1,795,000 +$54,787 $2.22 13
2022 Q1 783,424 $1,832,000 -$51,178 $2.34 13
2021 Q4 805,635 $1,908,480 -$190,614 $2.37 17
2021 Q3 877,824 $2,421,040 +$60,860 $2.76 15
2021 Q2 853,693 $2,500,720 +$549,997 $2.93 14
2021 Q1 670,401 $1,856,620 +$359,179 $2.77 15
2020 Q4 541,613 $1,202,000 +$53,417 $2.22 13
2020 Q3 521,750 $946,000 +$25,333 $1.82 12
2020 Q2 501,882 $1,074,000 -$260,136 $2.14 12
2020 Q1 672,624 $1,042,000 -$124,927 $1.55 14
2019 Q4 744,377 $1,816,000 +$64,282 $2.44 14
2019 Q3 716,952 $1,797,000 +$203,796 $2.51 16
2019 Q2 637,231 $1,827,000 +$56,379 $2.86 16
2019 Q1 666,694 $1,853,000 +$45,487 $2.78 17
2018 Q4 650,601 $1,547,000 +$395,510 $2.38 17
2018 Q3 484,322 $1,694,000 -$26,575 $3.49 15
2018 Q2 496,633 $1,365,000 -$383,040 $2.75 14
2018 Q1 649,199 $1,662,000 -$341,029 $2.55 16
2017 Q4 784,132 $2,037,000 +$553,541 $2.60 16
2017 Q3 571,032 $1,626,000 -$206,338 $2.85 16
2017 Q2 613,919 $2,406,000 +$99,861 $3.92 18
2017 Q1 581,131 $2,523,000 +$593,417 $4.34 18
2016 Q4 445,131 $1,490,000 +$18,473 $3.35 14
2016 Q3 440,133 $1,365,000 +$19,255 $3.10 14
2016 Q2 435,770 $883,000 -$26,982 $2.00 11
2016 Q1 448,280 $994,000 -$21,000 $2.22 14
2015 Q4 462,731 $851,000 -$11,893 $1.84 11
2015 Q3 469,178 $902,000 +$158,150 $1.92 12
2015 Q2 387,574 $982,000 +$6,021 $2.53 11
2015 Q1 385,043 $976,000 +$10,599 $2.53 11
2014 Q4 381,239 $1,076,000 -$551 $2.82 12
2014 Q3 382,508 $844,000 -$21,000 $2.20 11
2014 Q2 390,233 $1,015,000 +$17,925 $2.60 10
2014 Q1 383,494 $1,230,000 -$31,189 $3.20 8