Arcus Biosciences RCUS Institutional Ownership

NYSE RCUS

$25.88 +0.23 (+0.90%)

As of: Sep 30, 2026 · 3:59 PM EDT

Institutions by Trading Activity

233 Institutions

Increased 135 57.9%

Unchanged 35 15.0%

Reduced 63 27.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

97.97%

▲+2.99 pp QoQ

Shares Held by Institutions

123.54Mn

of 126.10Mn outstanding

▲+5.72% QoQ

Shares Outstanding

126.10Mn

2.56Mn held outside 13F filers

Institutional Investors

233

filed 13F for Jun 2026

▲+23 vs prior quarter

Net Shares Added (QoQ)

+6.69Mn

accumulated since last quarter

Value of Holdings

$3.17Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Arcus Biosciences, Inc. (NYSE:RCUS) appears in 233 institutional 13F filings for the quarter ending June 2026.

Their combined ownership stood at 98.0% of outstanding shares in June 2026, up from 95.0% in March 2026.
Their total shares held in RCUS increased 5.72% from the prior quarter, while the number of investors in Arcus Biosciences increased 25.95% year over year.
During the quarter, 135 of these 233 funds increased positions in RCUS, 63 reduced exposure, and 35 held steady.
Combined, these investors held 123.54Mn shares in RCUS for June 2026, up by 6.69Mn shares quarter on quarter, and up 25.86Mn shares year over year.
As of June 30, 2026, Gilead Sciences, Inc. held the largest stake in Arcus Biosciences with 31.42Mn shares, accounting for 24.92% of total shares outstanding.
Leading buyers of Arcus Biosciences shares for the quarter ending June 2026 were FMR LLC (2.88Mn), CITADEL ADVISORS LLC (1.81Mn), BlackRock, Inc. (1.19Mn), Sixth Street Partners Management Company, L.P. (941.76K), Soleus Capital Management, L.P. (716.76K).
The largest sales of RCUS for the quarter ending June 2026 came from MARSHALL WACE, LLP (1.82Mn), Woodline Partners LP (770.0K), Siren, L.L.C. (586.65K), Logos Global Management LP (550.0K), SAMLYN CAPITAL, LLC (361.23K).
Per Business Quant data, the top 10 holders of Arcus Biosciences for the quarter ending June 2026 are Gilead Sciences, Inc. (31.42Mn), BlackRock, Inc. (16.42Mn), State Street Corp (6.03Mn), WELLINGTON MANAGEMENT GROUP LLP (5.9Mn), MONTANOVA CAPITAL, LLC (4.78Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.48Mn), FMR LLC (4.05Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.89Mn), CITADEL ADVISORS LLC (3.14Mn), Woodline Partners LP (3.01Mn).

Form 13F Holdings

233 Institutional Holders

Report period 30 Jun, 2026

Total shares held 123.54Mn

Of outstanding 97.97%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Gilead Sciences, Inc.	0000882095	31,424,760	24.92%	0	0.00%	$968.83Mn
2	BlackRock, Inc.	0002012383	16,416,249	13.02%	▲1,189,774	+7.81%	$506.11Mn
3	State Street Corp	0000093751	6,029,484	4.78%	▲616,583	+11.39%	$185.89Mn
4	WELLINGTON MANAGEMENT GROUP LLP	0000902219	5,895,448	4.68%	▼194,068	-3.19%	$181.76Mn
5	MONTANOVA CAPITAL, LLC	0001569064	4,776,423	3.79%	▼254,570	-5.06%	$147.26Mn
6	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	4,475,528	3.55%	▲203,472	+4.76%	$137.98Mn
7	FMR LLC	0000315066	4,049,757	3.21%	▲2,884,505	+247.54%	$124.85Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	3,888,346	3.08%	▲31,621	+0.82%	$119.88Mn
9	CITADEL ADVISORS LLC	0001423053	3,135,057	2.49%	▲1,805,122	+135.73%	$96.65Mn
10	Woodline Partners LP	0001784547	3,007,798	2.39%	▼770,000	-20.38%	$92.73Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,448,749	1.94%	▲196,382	+8.72%	$75.51Mn
12	Siren, L.L.C.	0002005245	2,420,430	1.92%	▼586,647	-19.51%	$74.62Mn
13	Fisher Asset Management, LLC	0000850529	2,139,396	1.70%	▼51,008	-2.33%	$65.96Mn
14	MARSHALL WACE, LLP	0001318757	1,945,088	1.54%	▼1,816,349	-48.29%	$59.97Mn
15	SAMLYN CAPITAL, LLC	0001421097	1,547,182	1.23%	▼361,230	-18.93%	$47.70Mn
16	DIMENSIONAL FUND ADVISORS LP	0000354204	1,434,320	1.14%	▲8,097	+0.57%	$44.22Mn
17	BNP Paribas Asset Management Holding S.A.	0001520354	1,419,533	1.13%	▼235,221	-14.21%	$43.76Mn
18	Goldman Sachs Group Inc	0000886982	1,387,566	1.10%	▲387,780	+38.79%	$42.78Mn
19	Soleus Capital Management, L.P.	0001802630	1,168,738	0.93%	▲716,755	+158.58%	$36.03Mn
20	Sofinnova Investments, Inc.	0001631134	945,690	0.75%	▲22,604	+2.45%	$29.16Mn

Showing 1 to 20 of 233 holders