ARCELLX INC (ACLX) Institutional Ownership Changes & 13F Activity

ARCELLX INC (ACLX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy28,40096,400$11,068,648
Q1 2025Renaissance Technologies LLCBuy18,90068,000$4,460,800
Q4 2024Renaissance Technologies LLCBuy22,02849,100$3,765,479
Q2 2024Renaissance Technologies LLCSell-34,02827,072$1,494,104
Q4 2023Renaissance Technologies LLCBuy7,30061,100$3,391
Q3 2023Renaissance Technologies LLCSell-290,86753,800$1,930
Q2 2023Renaissance Technologies LLCBuy328,167344,667$10,898
Q1 2023Renaissance Technologies LLCSell-34,30016,500$508
Q4 2022Renaissance Technologies LLCBuy24,10050,800$1,574
Q2 2022Renaissance Technologies LLCBuy26,70026,700$483

Frequently asked questions about ACLX activity

  • Which institutional owners are buying ACLX?

    Institutional owners buying ACLX 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 ACLX activity?

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

  • Is institutional interest in ACLX increasing?

    Institutional interest in ACLX 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.