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Livermore
Livermore
ZHEN

Dimensional Fund Advisors LP

SEC CIK
0000354204
Latest filing
Aug 11, 2026

AMS holding history

American Shared Hospital Services in every 13F filed by Dimensional Fund Advisors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

AMS overviewAll 13F holders of AMSFull Q2 2026 holdings

Shares (Q2 2026)
102,140
Value
$161.4K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of AMS by Dimensional Fund Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026102,140$161.4K<0.1%−102,980−50.2%ReducedHolders
Q1 2026205,120$297.4K<0.1%−1,294−0.6%ReducedHolders
Q4 2025206,414$435.5K<0.1%−3,545−1.7%ReducedHolders
Q3 2025209,959$587.9K<0.1%00.0%UnchangedHolders
Q2 2025209,959$506.0K<0.1%00.0%UnchangedHolders
Q1 2025209,959$583.7K<0.1%00.0%UnchangedHolders
Q4 2024209,959$669.8K<0.1%+603+0.3%AddedHolders
Q3 2024209,356$638.5K<0.1%+29,719+16.5%AddedHolders
Q2 2024179,637$573.9K<0.1%+8,436+4.9%AddedHolders
Q1 2024171,201$505.0K<0.1%+5,145+3.1%AddedHolders
Q4 2023166,056$395.1K<0.1%00.0%UnchangedHolders
Q3 2023166,056$410.2K<0.1%00.0%UnchangedHolders
Q2 2023166,056$424.3K<0.1%00.0%UnchangedHolders
Q1 2023166,056$466.6K<0.1%+7,375+4.6%AddedHolders
Q4 2022158,681$465.0K<0.1%+5,899+3.9%AddedHolders
Q3 2022152,782$395.0K<0.1%+1,254+0.8%AddedHolders
Q2 2022151,528$337.0K<0.1%+1,767+1.2%AddedHolders
Q1 2022149,761$350.0K<0.1%00.0%UnchangedHolders
Q4 2021149,761$355.0K<0.1%−1,701−1.1%ReducedHolders
Q3 2021151,462$418.0K<0.1%−69,377−31.4%ReducedHolders
Q2 2021220,839$647.0K<0.1%−23,884−9.8%ReducedHolders
Q1 2021244,723$678.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.