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RCUS · Arcus Biosciences, Inc.

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Market Cap
$3.75B
Shares
127.33M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 232
Total Value: $3,793,887,820
Total Shares: 123,058,344
Showing 1–100 of 238 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 232 13F filers · Δ vs Mar 31, 2026
Top Holder
25.5%
Sep 2023 → Jun 2026 · range 17.8% – 35.6%
−0.7 pts
Top 5
52.4%
Sep 2023 → Jun 2026 · range 46.4% – 62.5%
−0.4 pts
Top 10
67.6%
Sep 2023 → Jun 2026 · range 60.6% – 74.3%
−0.9 pts
HHI
966
Sep 2023 → Jun 2026 · range 612 – 1,533
Broadly held−25

Quarterly Activity

vs Mar 31, 2026
New
46
Increased
88
Decreased
64
Sold Out
26
Unchanged
34
Holder count: +20
Institutional value: +46.8%
Shares held: +2.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 238
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1724521 CUSIP 03969F109 13F (30d) 199 filings 197 filers Visit website Investor relations