American Shared Hospital Servic

Historical 13F Holders

Symbol
AMS
CUSIP
029595105
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Shares Held, Excluding Options
Total Filers

13D/G Filers

Each filer's latest filing for 029595105 since 12/18/2024, largest first.

Filer % of Class Filed
Stachowiak Raymond C 13D/A
35.3% 7/30/2026
Event 7/22/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (2)
Ruffle John F 13D/A 0% 12/16/2025
Event 9/29/2025
Anita G. Zucker 13D/A
0% 6/23/2026
Event 6/22/2026

13F Holders by Quarter

Period Filers Shares, Excl. Options Value, Excl. Options
2026 Q3 6 239 k $340k
2026 Q2 20 506 k $799k
2026 Q1 21 992 k $1.44M
2025 Q4 18 1.04 M $2.20M
2025 Q3 23 1.24 M $3.47M
2025 Q2 19 852 k $2.05M
2025 Q1 19 895 k $2.49M
2024 Q4 18 1.06 M $3.39M
2024 Q3 19 1.08 M $3.29M
2024 Q2 21 1.09 M $3.49M
2024 Q1 20 1.08 M $3.19M
2023 Q4 19 1.05 M $2.52M
2023 Q3 22 1.09 M $2.70M
2023 Q2 19 1.09 M $2.79M
2023 Q1 21 1.10 M $3.09M
2022 Q4 19 1.05 M $3.06M
2022 Q3 17 851 k $2.20M
2022 Q2 17 809 k $1.80M
2022 Q1 17 784 k $1.83M
2021 Q4 19 806 k $1.91M
2021 Q3 19 879 k $2.42M
2021 Q2 17 854 k $2.50M
2021 Q1 19 671 k $1.86M
2020 Q4 17 724 k $1.61M
2020 Q3 16 522 k $947k
2020 Q2 16 503 k $1.08M
2020 Q1 18 674 k $1.04M
2019 Q4 18 745 k $1.82M
2019 Q3 20 718 k $1.80M
2019 Q2 18 637 k $1.83M
2019 Q1 21 667 k $1.86M
2018 Q4 21 654 k $1.56M
2018 Q3 18 506 k $1.77M
2018 Q2 16 518 k $1.42M
2018 Q1 17 675 k $1.73M
2017 Q4 18 785 k $2.04M
2017 Q3 18 571 k $1.63M
2017 Q2 19 614 k $2.41M
2017 Q1 19 595 k $2.58M
2016 Q4 15 454 k $1.52M
2016 Q3 17 441 k $1.37M
2016 Q2 15 437 k $886k
2016 Q1 16 449 k $995k
2015 Q4 14 464 k $853k
2015 Q3 15 470 k $904k
2015 Q2 13 388 k $983k
2015 Q1 14 386 k $978k
2014 Q4 14 381 k $1.08M
2014 Q3 13 383 k $844k
2014 Q2 11 390 k $1.02M
2014 Q1 9 384 k $1.23M