ARCUS BIOSCIENCES INC (RCUS) Institutional Ownership Changes & 13F Activity

ARCUS BIOSCIENCES INC (RCUS) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). 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 LLCBuy392,000424,700$9,173,520
Q4 2025Renaissance Technologies LLCSell-186,60032,700$779,241
Q3 2025Renaissance Technologies LLCSell-148,800219,300$2,982,480
Q2 2025Renaissance Technologies LLCBuy164,100368,100$2,996,334
Q1 2025Renaissance Technologies LLCBuy185,500204,000$1,601,400
Q4 2024Renaissance Technologies LLCSell-165,40018,500$275,465
Q3 2024Renaissance Technologies LLCBuy101,500183,900$2,811,831
Q2 2024Renaissance Technologies LLCSell-158,10082,400$1,254,952
Q1 2024Renaissance Technologies LLCBuy117,000240,500$4,541
Q4 2023Renaissance Technologies LLCSell-19,300123,500$2,359
Q3 2023Renaissance Technologies LLCSell-132,900142,800$2,563
Q2 2021Renaissance Technologies LLCBuy18,800275,700$7,571
Q1 2021Renaissance Technologies LLCSell-4,516256,900$7,214
Q1 2020Renaissance Technologies LLCBuy44,178261,416$3,628
Q4 2019Renaissance Technologies LLCBuy76,400217,238$2,194
Q3 2019Renaissance Technologies LLCBuy106,238140,838$1,282
Q2 2019Renaissance Technologies LLCBuy34,60034,600$275

Frequently asked questions about RCUS activity

  • Which institutional owners are buying RCUS?

    Institutional owners buying RCUS 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 RCUS activity?

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

  • Is institutional interest in RCUS increasing?

    Institutional interest in RCUS 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.

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