(ACET) Stock Institutional Trading Activity


(ACET) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC. 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
Q3 2025Renaissance Technologies LLCBuy675,1331,828,949$1,481,814
Q2 2025Renaissance Technologies LLCBuy343,1161,153,816$703,828
Q1 2025Renaissance Technologies LLCSell-105,800810,700$612,079
Q4 2024Renaissance Technologies LLCSell-315,100916,500$881,673
Q3 2024Renaissance Technologies LLCSell-281,0001,231,600$1,773,504
Q2 2024Renaissance Technologies LLCBuy463,6001,512,600$1,830,246
Q1 2024Renaissance Technologies LLCBuy282,4001,049,000$2,465
Q4 2023Renaissance Technologies LLCBuy89,600766,600$1,449
Q3 2023Renaissance Technologies LLCBuy466,597677,000$927
Q2 2023Renaissance Technologies LLCSell-105,397210,403$511
Q1 2023Renaissance Technologies LLCBuy286,100315,800$1,819
Q4 2022Renaissance Technologies LLCSell-95,80029,700$266
Q2 2022Renaissance Technologies LLCBuy83,283125,500$1,832
Q3 2021Renaissance Technologies LLCSell-39,48342,217$331
Q2 2021Renaissance Technologies LLCBuy61,60081,700$841
Q1 2021Renaissance Technologies LLCBuy20,10020,100$263

Frequently asked questions about ACET activity

  • Which institutional owners are buying ACET?

    Institutional owners buying ACET 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 ACET activity?

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

  • Is institutional interest in ACET increasing?

    Institutional interest in ACET 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.