AMPCO-PITTSBURGH CORP (AP) Stock Institutional Trading Activity


AMPCO-PITTSBURGH CORP (AP) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC and Fairfax Financial Holdings. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCSell-19,317461,302$2,458,740
Q3 2025Renaissance Technologies LLCBuy31,829480,619$1,100,618
Q2 2025Renaissance Technologies LLCBuy16,071448,790$1,328,418
Q1 2025Renaissance Technologies LLCSell-3,900432,719$939,000
Q4 2024Renaissance Technologies LLCSell-16,800436,619$912,534
Q3 2024Renaissance Technologies LLCSell-102,977453,419$906,838
Q2 2024Renaissance Technologies LLCBuy62,593556,396$428,425
Q1 2024Renaissance Technologies LLCSell-19,405493,803$1,072
Q4 2023Renaissance Technologies LLCBuy38,251513,208$1,401
Q3 2023Renaissance Technologies LLCSell-7,462474,957$1,249
Q2 2023Renaissance Technologies LLCSell-5,659482,419$1,534
Q1 2023Renaissance Technologies LLCSell-5,748488,078$1,196
Q4 2022Renaissance Technologies LLCSell-8,175493,826$1,240
Q3 2022Renaissance Technologies LLCSell-24,700502,001$1,847
Q2 2022Renaissance Technologies LLCSell-19,700526,701$2,038
Q1 2022Renaissance Technologies LLCSell-35,100546,401$3,448
Q4 2021Renaissance Technologies LLCSell-5,500581,501$2,908
Q3 2021Renaissance Technologies LLCBuy17,300587,001$2,759
Q2 2021Renaissance Technologies LLCSell-83,600569,701$3,458
Q1 2021Renaissance Technologies LLCSell-74,900653,301$4,410
Q4 2020Renaissance Technologies LLCBuy123,277728,201$3,991
Q3 2020Renaissance Technologies LLCBuy81,900604,924$1,990
Q2 2020Renaissance Technologies LLCBuy22,400523,024$1,606
Q1 2020Renaissance Technologies LLCBuy9,500500,624$1,252
Q4 2019Fairfax Financial HoldingsSell-5,881254,119$765
Q4 2019Renaissance Technologies LLCBuy2,100491,124$1,478
Q3 2019Renaissance Technologies LLCBuy12,000489,024$1,800
Q2 2019Renaissance Technologies LLCBuy41,000477,024$1,922
Q1 2019Renaissance Technologies LLCBuy55,300436,024$1,439
Q4 2018Fairfax Financial HoldingsBuy60,000260,000$803

Frequently asked questions about AP activity

  • Which institutional owners are buying AP?

    Institutional owners buying AP include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in AP activity?

    "Buy" means an investor increased their reported position in AP compared to the prior reporting period. This reflects growing exposure to AMPCO-PITTSBURGH CORP (AP) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in AP increasing?

    Institutional interest in AP can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.