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 Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Citadel Advisors Llc, Invesco Ltd., Woodline Partners Lp, T. Rowe Price Investment Management, Inc., and Logos Global Management Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheBuy+3,656+8.7%45,826$1.41MQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+1,805,122+135.7%3,135,057$96.65MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+82,45882,458$2.54MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+34,984+144.9%59,127$1.82MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-8,366-7.9%97,410$3.00MQ2 2026Aug 24, 2026
Capstone Investment Advisors, LlcBuy+10,04910,049$309.81KQ2 2026Aug 17, 2026
Invesco Ltd.Buy+845,233845,233$26.06MQ2 2026Aug 14, 2026
Woodline Partners LpSell-770,000-20.4%3,007,798$92.73MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+589,546589,546$18.18MQ2 2026Aug 14, 2026
Logos Global Management LpSell-550,000-45.8%650,000$20.04MQ2 2026Aug 14, 2026
Ikarian Capital, LlcBuy+504,559504,559$15.56MQ2 2026Aug 14, 2026
Baker Bros. Advisors LpBuy+429,195+103.3%844,816$26.05MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+387,780+38.8%1,387,566$42.78MQ2 2026Aug 14, 2026
Samlyn Capital, LlcSell-361,230-18.9%1,547,182$47.70MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+322,714+103.2%635,404$19.59MQ2 2026Aug 14, 2026
Parkman Healthcare Partners LlcSell-288,008-23.9%919,266$28.34MQ2 2026Aug 14, 2026
Suvretta Capital Management, LlcSell-254,570-5.1%4,776,423$147.26MQ2 2026Aug 14, 2026
Hudson Bay Capital Management LpSell-216,535-60.7%140,000$4.32MQ2 2026Aug 14, 2026
Wellington Management Group LlpSell-194,068-3.2%5,895,448$181.76MQ2 2026Aug 14, 2026
Bank Of America CorpBuy+189,436+29.3%835,504$25.76MQ2 2026Aug 14, 2026
Susquehanna Portfolio Strategies, LlcSell-186,298-77.6%53,668$1.65MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Sell-162,983-62.8%96,417$2.97MQ2 2026Aug 14, 2026
Boothbay Fund Management, LlcBuy+154,264154,264$4.76MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+153,813153,813$4.74MQ2 2026Aug 14, 2026
Pfm Health Sciences, LpBuy+152,129152,129$4.69MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpSell-135,883-94.8%7,488$230.85KQ2 2026Aug 14, 2026
Millennium Management LlcBuy+133,110133,110$4.10MQ2 2026Aug 14, 2026
Odyssean, LlcBuy+85,49785,497$2.64MQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncBuy+81,738+19.0%512,084$15.79MQ2 2026Aug 14, 2026
Schonfeld Strategic Advisors LlcSell-70,987-36.7%122,574$3.78MQ2 2026Aug 14, 2026
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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.