RCUSArcus Biosciences, Inc.

$24.39+97% 1Y

Who owns RCUS

229 institutions reported holding RCUS for 2026Q2, together 98% of the company, more than the 210 a quarter earlier.

229

Institutions reporting a position · as of 2026Q2 · up from 210 the quarter before

Shares held by institutions
122.6M

Shares held by institutions · 98% of the company · long US equity positions only, as reported on Form 13F

Reported value
$3.78B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
55%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
34
New positions
46
Positions exited
27
Added to
82
Reduced
60
Top 10 holdersof the company
69%
Shares sold shortsettled Sep 30, 2026
13.1M
Short interestof shares outstanding
10%
Days to coverat the average daily volume
7.6
Change in the short positionsince the Sep 15, 2026 count
−5.1%
Institutional ownership by quarter, 2018Q1 to 2026Q2
QuarterFilersSharesReported value
2026Q2229122.6M$3.78B
2026Q1210119.1M$2.57B
2025Q4207121.4M$2.89B
2025Q3188100.6M$1.37B
2025Q218499.7M$811M
2025Q118597.2M$763M
2024Q418583.9M$1.25B
2024Q318553.3M$815M
2024Q219251.9M$791M
2024Q117152.9M$998M
2023Q418452.8M$1.01B
2023Q318452.8M$947M
2023Q218054.7M$1.11B
2023Q117655.4M$1.01B
2022Q419953.8M$1.11B
2022Q318352.5M$1.37B
Largest reported holders, 2026Q2
HolderShares% of companyValue
GILEAD SCIENCES, INC.31.4M25%$969M
BlackRock Inc.16.4M13%$506M
VANGUARD GROUP INC9.1M7.3%$281M
STATE STREET CORP6.0M4.8%$186M
WELLINGTON MANAGEMENT GROUP LLP5.9M4.7%$182M
MONTANOVA CAPITAL, LLC4.8M3.8%$147M
FMR LLC4.0M3.2%$125M
CITADEL ADVISORS LLC3.1M2.5%$97M
Woodline Partners LP3.0M2.4%$93M
GEODE CAPITAL MANAGEMENT LLC2.4M2.0%$76M
Short interest by settlement date, Sep 15, 2025 to Sep 30, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 30, 202613.1M10%7.6
Sep 15, 202613.8M11%7.8
Aug 31, 202613.1M10%11.0
Aug 14, 202613.8M11%12.3
Jul 31, 202613.1M10%11.6
Jul 15, 202612.6M10%12.9
Jun 30, 202612.6M10%5.9
Jun 15, 202613.3M11%10.9
May 29, 202611.7M9.3%12.6
May 15, 202610.9M8.7%11.2
Apr 30, 202610.9M8.7%6.5
Apr 15, 202611.1M8.8%12.2

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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