Arcus Biosciences Ownership | Who Owns Arcus Biosciences?

Overview Forecast RevenueFinancials Chart Transcripts

Arcus Biosciences Ownership Summary

Arcus Biosciences is owned by 79.69% institutional investors, 30.09% insiders. Gilead sciences is the largest institutional shareholder, holding 29.51% of RCUS shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 4.13% of its assets in Arcus Biosciences shares.

RCUS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Arcus Biosciences	79.69%	30.09%	-9.78%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Gilead sciences	31.42M	29.51%	$748.85M
Blackrock funding, inc. /de	15.00M	14.08%	$357.40M
Blackrock	9.76M	11.33%	$148.69M
Vanguard group	7.96M	7.48%	$189.76M
Point72 asset management	4.33M	4.08%	$58.92M
Woodline partners lp	3.77M	3.55%	$51.27M
Suvretta capital management	3.69M	3.48%	$50.17M
State street	3.39M	3.20%	$46.17M
Siren	2.91M	2.74%	$39.60M
Fmr	2.30M	2.16%	$31.23M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Gilead sciences	31.42M	38.69%	$748.85M
Invus financial advisors	1.61M	27.51%	$24.55M
Dafna capital management	627.63K	2.11%	$8.54M
Decheng capital	541.56K	1.74%	$12.91M
Siren	2.91M	1.55%	$39.60M
Knott david m jr	121.24K	1.34%	$2.89M
Boxer capital	1.60M	1.28%	$24.40M
Suvretta capital management	3.69M	1.28%	$50.17M
Sectoral asset management	56.95K	1.09%	$1.36M
Parkman healthcare partners	652.68K	0.93%	$8.88M

Top Buyers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	15.00M	0.01%	3.19M
Vanguard group	7.96M	0.00%	1.33M
Siren	2.91M	1.55%	1.30M
Fisher asset management	1.95M	0.02%	1.22M
Barclays	1.11M	0.01%	935.18K

Top Sellers

Holder	Shares	% Assets	Change
Point72 asset management	4.33M	0.10%	-1.63M
Braidwell lp	-	-	-802.10K
Macquarie group	-	-	-379.10K
Readystate asset management lp	-	-	-351.36K
Nordea investment management ab	-	-	-328.46K

New Positions

Holder	Shares	% Assets	Change	Value
Franklin resources	853.49K	0.01%	853.49K	$20.34M
Soleus capital management	711.98K	0.63%	711.98K	$16.97M
Candriam s.c.a.	378.44K	0.03%	378.44K	$5.15M
Vestal point capital, lp	250.00K	0.15%	250.00K	$3.40M
Axa investment managers	232.67K	0.01%	232.67K	$3.16M

Sold Out

Holder	Change
Dinuzzo private wealth	-1.00
Tortoise investment management	-3.00
Sjs investment consulting	-5.00
Mendota financial group	-7.00
Jfs wealth advisors	-7.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	136	-30.96%	84,869,998	-15.65%	79	0.89%	89	-11.00%	20	-62.96%
Sep 30, 2025	191	4.37%	99,188,061	2.60%	93	1.13%	96	-4.95%	52	6.12%
Jun 30, 2025	189	-	99,642,989	2.55%	93	0.96%	105	-17.32%	51	70.00%
Mar 31, 2025	187	-3.11%	97,113,724	15.75%	98	1.17%	126	44.83%	30	-55.22%
Dec 31, 2024	119	-37.70%	59,398,024	11.54%	64	1.91%	52	-40.91%	38	-46.48%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	5.18M	4.13%	1.57M
Vanguard Health Care Inv	3.21M	2.56%	3.21M
Vanguard Total Stock Mkt Idx Inv	2.51M	2.00%	9.79K
Vanguard US Total Market Shares ETF	1.62M	1.53%	-
iShares Russell 2000 ETF	1.90M	1.51%	779.68K
State Street® SPDR® S&P® Biotech ETF	1.59M	1.27%	-8.58K
SPDR® S&P Biotech ETF	1.20M	1.13%	2.69K
Fidelity Select Health Care	949.76K	0.90%	-
CT (Lux) American Smaller Com 9U USD	906.88K	0.86%	55.03K
Fidelity Select Pharmaceuticals Port	853.52K	0.80%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jan 05, 2026	Jaen Juan C.	President	Sell	$633.16K
Jan 05, 2026	Jaen Juan C.	President	Sell	$2.32K
Jan 05, 2026	Jaen Juan C.	President	Sell	$45.86K
Dec 31, 2025	Goeltz II Robert C.	Chief Financial Officer	Sell	$153.19K
Dec 16, 2025	Tang Carolyn C.	General Counsel	Sell	$167.59K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	3
2025 Q4	-	31
2025 Q3	-	2
2025 Q2	-	-
2025 Q1	3	-

RCUS Ownership FAQ

Who Owns Arcus Biosciences?

Arcus Biosciences shareholders are primarily institutional investors at 79.69%, followed by 30.09% insiders and -9.78% retail investors. The average institutional ownership in Arcus Biosciences's industry, Biotech Stocks , is 381.47%, which Arcus Biosciences falls below.

Who owns the most shares of Arcus Biosciences?

Arcus Biosciences’s largest shareholders are Gilead sciences (31.42M shares, 29.51%), Blackrock funding, inc. /de (15M shares, 14.08%), and Blackrock (9.76M shares, 11.33%). Together, they hold 54.92% of Arcus Biosciences’s total shares outstanding.

Does Blackrock own Arcus Biosciences?

Yes, BlackRock owns 11.33% of Arcus Biosciences, totaling 9.76M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 148.69M$. In the last quarter, BlackRock decreased its holdings by -137K shares, a -1.39% change.

Who is Arcus Biosciences’s biggest shareholder by percentage of total assets invested?

Gilead sciences is Arcus Biosciences’s biggest shareholder by percentage of total assets invested, with 38.69% of its assets in 31.42M Arcus Biosciences shares, valued at 748.85M$.

Who is the top mutual fund holder of Arcus Biosciences shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Arcus Biosciences shares, with 4.13% of its total shares outstanding invested in 5.18M Arcus Biosciences shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools