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Livermore
Livermore
ZHEN

Dimensional Fund Advisors LP

SEC CIK
0000354204
Latest filing
Aug 11, 2026

AP holding history

Ampco Pittsburgh Corp 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.

AP overviewAll 13F holders of APFull Q2 2026 holdings

Shares (Q2 2026)
295,444
Value
$2.56M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of AP by Dimensional Fund Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026295,444$2.56M<0.1%−59,983−16.9%ReducedHolders
Q1 2026355,427$2.39M<0.1%+20,454+6.1%AddedHolders
Q4 2025334,973$1.79M<0.1%−1,147−0.3%ReducedHolders
Q3 2025336,120$769.8K<0.1%−1,724−0.5%ReducedHolders
Q2 2025337,844$1.00M<0.1%+27,307+8.8%AddedHolders
Q1 2025310,537$673.9K<0.1%+18,227+6.2%AddedHolders
Q4 2024292,310$611.1K<0.1%−22,535−7.2%ReducedHolders
Q3 2024314,845$629.7K<0.1%−105,452−25.1%ReducedHolders
Q2 2024420,297$323.6K<0.1%−196,066−31.8%ReducedHolders
Q1 2024616,363$1.34M<0.1%−14,794−2.3%ReducedHolders
Q4 2023631,157$1.72M<0.1%−942−0.1%ReducedHolders
Q3 2023632,099$1.66M<0.1%−13,104−2.0%ReducedHolders
Q2 2023645,203$2.05M<0.1%−4,228−0.7%ReducedHolders
Q1 2023649,431$1.59M<0.1%−11,337−1.7%ReducedHolders
Q4 2022660,768$1.66M<0.1%+1,505+0.2%AddedHolders
Q3 2022659,263$2.42M<0.1%−2,410−0.4%ReducedHolders
Q2 2022661,673$2.56M<0.1%+1,225+0.2%AddedHolders
Q1 2022660,448$4.17M<0.1%+13,025+2.0%AddedHolders
Q4 2021647,423$3.24M<0.1%−32,238−4.7%ReducedHolders
Q3 2021679,661$3.19M<0.1%−43,485−6.0%ReducedHolders
Q2 2021723,146$4.39M<0.1%+20,667+2.9%AddedHolders
Q1 2021702,479$4.74M<0.1%––Holders

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