American Shared Hospital Services
AMS2.100USD
0.000
Close 12/19, 16:00（ET）Quotes delayed by 15 min
13.67MMarket Cap
LossP/E TTM
More Details of American Shared Hospital Services Company
American Shared Hospital Services is a provider of turn-key technology solutions for stereotactic radiosurgery and advanced radiation therapy equipment and services. Its segments include Leasing and Retail. The Leasing segment comprises the Company’s medical equipment leasing. The Retail segment comprises facilities in Peru and Ecuador. Its Proton Beam Radiation Therapy Operations is an alternative to traditional external beam, photon-based radiation delivered by linear accelerators. Its Gamma Knife stereotactic radiosurgery, a non-invasive procedure, is an alternative to conventional brain surgery and/or radiation therapy. The Gamma Knife treats selected malignant and benign brain tumors, arteriovenous malformations, and functional disorders including trigeminal neuralgia (facial pain). It can be an adjunct to conventional brain surgery, radiation therapy, or chemotherapy. The Company provides radiation therapy services both domestically and internationally.
American Shared Hospital Services Info
Ticker SymbolAMS
Company nameAmerican Shared Hospital Services
IPO dateJul 04, 1984
CEODelanois (Gary)
Number of employees81
Security typeOrdinary Share
Fiscal year-endJul 04
Address601 Montgomery Street
CitySAN FRANCISCO
Stock exchangeNASDAQ OMX – NASDAQ Basic Amex
CountryUnited States of America
Postal code94111
Phone14157885300
Websitehttps://ashs.com/
Ticker SymbolAMS
IPO dateJul 04, 1984
CEODelanois (Gary)
Company Executives of American Shared Hospital Services
Name
Name/Position
Position
Shareholding
Change
Mr. Raymond C. (Ray) Stachowiak
Mr. Raymond C. (Ray) Stachowiak
Executive Chairman of the Board
Executive Chairman of the Board
1.56M
+3.02%
Mr. Gary Delanois
Mr. Gary Delanois
Chief Executive Officer
Chief Executive Officer
120.00K
--
Mr. Craig Kenji Tagawa
Mr. Craig Kenji Tagawa
President
President
35.50K
+18.78%
Ms. Kathleen Miles
Ms. Kathleen Miles
Independent Director
Independent Director
2.25K
+50.00%
Ms. Vicki L. Wilson
Ms. Vicki L. Wilson
Independent Director
Independent Director
2.25K
+50.00%
Mr. Daniel G. Kelly, Jr.
Mr. Daniel G. Kelly, Jr.
Lead Independent Director
Lead Independent Director
--
--
Mr. R. Scott Frech
Mr. R. Scott Frech
Chief Financial Officer
Chief Financial Officer
--
--
Ms. Alexis N Wallace
Ms. Alexis N Wallace
Corporate Secretary
Corporate Secretary
--
--
Name
Name/Position
Position
Shareholding
Change
Mr. Raymond C. (Ray) Stachowiak
Mr. Raymond C. (Ray) Stachowiak
Executive Chairman of the Board
Executive Chairman of the Board
1.56M
+3.02%
Mr. Gary Delanois
Mr. Gary Delanois
Chief Executive Officer
Chief Executive Officer
120.00K
--
Mr. Craig Kenji Tagawa
Mr. Craig Kenji Tagawa
President
President
35.50K
+18.78%
Ms. Kathleen Miles
Ms. Kathleen Miles
Independent Director
Independent Director
2.25K
+50.00%
Ms. Vicki L. Wilson
Ms. Vicki L. Wilson
Independent Director
Independent Director
2.25K
+50.00%
Mr. Daniel G. Kelly, Jr.
Mr. Daniel G. Kelly, Jr.
Lead Independent Director
Lead Independent Director
--
--
Revenue Breakdown
Currency: USDUpdated: Mon, Oct 6
Currency: USDUpdated: Mon, Oct 6
FY2024
FY2024Q4
FY2023
FY2023Q4
FY2023Q3
FY2023Q2
FY2023Q1
FY2022
FY2022Q4
FY2022Q3
FY2022Q2
FY2022Q1
FY2021
FY2020
Relevant data have not been disclosed by the company yet.
By RegionUSD
Name
Revenue
Proportion
Domestic
15.78M
55.70%
Foreign
12.56M
44.30%
By Business
By Region
Relevant data have not been disclosed by the company yet.
Shareholding Stats
Updated: Thu, Dec 18
Updated: Thu, Dec 18
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Stachowiak (Raymond C)
23.82%
Bates (Ernest A)
9.05%
Zucker (Anita G.)
8.96%
Dimensional Fund Advisors, L.P.
3.21%
The Vanguard Group, Inc.
2.77%
Other
52.19%
Shareholders
Shareholders
Proportion
Stachowiak (Raymond C)
23.82%
Bates (Ernest A)
9.05%
Zucker (Anita G.)
8.96%
Dimensional Fund Advisors, L.P.
3.21%
The Vanguard Group, Inc.
2.77%
Other
52.19%
Shareholder Types
Shareholders
Proportion
Individual Investor
45.10%
Investment Advisor/Hedge Fund
6.90%
Investment Advisor
5.03%
Hedge Fund
0.79%
Other
42.19%
Institutional Shareholding
Updated: Mon, Dec 8
Updated: Mon, Dec 8
Reporting Period
No. of institutions
Shares Held
Proportion
Change
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
2023Q3
30
1.10M
18.96%
-7.74K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Stachowiak (Raymond C)
1.51M
23.24%
+110.00K
+7.84%
Jun 26, 2025
Bates (Ernest A)
592.21K
9.1%
--
--
Apr 28, 2025
Zucker (Anita G.)
586.47K
9.01%
+78.35K
+15.42%
May 08, 2025
Dimensional Fund Advisors, L.P.
209.96K
3.23%
--
--
Jun 30, 2025
The Vanguard Group, Inc.
181.24K
2.78%
--
--
Jun 30, 2025
Corient Private Wealth LLC
160.56K
2.47%
--
--
Jun 30, 2025
Delanois (Gary)
120.00K
1.84%
+120.00K
--
Oct 14, 2024
Bridgeway Capital Management, LLC
96.69K
1.49%
--
--
Jun 30, 2025
Frech (Raymond Scott)
50.00K
0.77%
+50.00K
--
Dec 19, 2024
Renaissance Technologies LLC
66.70K
1.02%
-3.20K
-4.58%
Jun 30, 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%
Dividend
A total of
0.00
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data
Stock Split
Date
Type
Ratio
No Data
Date
Type
Ratio
No Data
FAQs
Who are the top five shareholders of American Shared Hospital Services?
The top five shareholders of American Shared Hospital Services are:
Stachowiak (Raymond C) holds 1.51M shares, accounting for 23.24% of the total shares.
Bates (Ernest A) holds 592.21K shares, accounting for 9.10% of the total shares.
Zucker (Anita G.) holds 586.47K shares, accounting for 9.01% of the total shares.
Dimensional Fund Advisors, L.P. holds 209.96K shares, accounting for 3.23% of the total shares.
The Vanguard Group, Inc. holds 181.24K shares, accounting for 2.78% of the total shares.
Stachowiak (Raymond C) holds 1.51M shares, accounting for 23.24% of the total shares.
Bates (Ernest A) holds 592.21K shares, accounting for 9.10% of the total shares.
Zucker (Anita G.) holds 586.47K shares, accounting for 9.01% of the total shares.
Dimensional Fund Advisors, L.P. holds 209.96K shares, accounting for 3.23% of the total shares.
The Vanguard Group, Inc. holds 181.24K shares, accounting for 2.78% of the total shares.
What are the top three shareholder types of American Shared Hospital Services?
The top three shareholder types of American Shared Hospital Services are:
Stachowiak (Raymond C)
Bates (Ernest A)
Zucker (Anita G.)
Stachowiak (Raymond C)
Bates (Ernest A)
Zucker (Anita G.)
How many institutions hold shares of American Shared Hospital Services (AMS)?
As of 2025Q4, 34 institutions hold shares of American Shared Hospital Services, with a combined market value of approximately 831.79K, accounting for 14.31% of the total shares. Compared to 2025Q3, institutional shareholding has increased by -0.38%.
What is the biggest source of revenue for American Shared Hospital Services?
In FY2024, the -- business generated the highest revenue for American Shared Hospital Services, amounting to -- and accounting for --% of total revenue.
