APELLIS PHARMACEUTICALS INC (APLS) Stock Institutional Trading Activity


APELLIS PHARMACEUTICALS INC (APLS) 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 Viking Global Investors. 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-89,837633,058$15,902,417
Q3 2025Renaissance Technologies LLCBuy711,907722,895$16,359,114
Q2 2025Renaissance Technologies LLCSell-260,92510,988$190,202
Q4 2024Renaissance Technologies LLCSell-100,418271,913$8,676,744
Q3 2024Renaissance Technologies LLCBuy233,818372,331$10,738,026
Q2 2023Renaissance Technologies LLCSell-48,900138,513$12,619
Q4 2022Renaissance Technologies LLCSell-157,700187,413$9,691
Q3 2022Renaissance Technologies LLCBuy324,902345,113$23,571
Q3 2022Viking Global InvestorsBuy932,441932,441$63,686
Q2 2021Renaissance Technologies LLCSell-353,30220,211$1,277
Q1 2021Renaissance Technologies LLCBuy157,200373,513$16,027
Q4 2020Renaissance Technologies LLCBuy196,800216,313$12,373
Q4 2019Renaissance Technologies LLCSell-6,68719,513$597
Q1 2019Renaissance Technologies LLCBuy26,20026,200$511

Frequently asked questions about APLS activity

  • Which institutional owners are buying APLS?

    Institutional owners buying APLS 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 APLS activity?

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

  • Is institutional interest in APLS increasing?

    Institutional interest in APLS 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.