Arcus Biosciences
RCUS · NYSE
$23.75+$1.61 (+7.27%)TodayMarket closed ·
Prev close $22.14
Who owns RCUS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 62.9% of RCUS’s shares.
- Gilead Sciences, Inc.25.0%
- BlackRock Institutional Trust Company, N.A.10.5%
- State Street Investment Management (US)4.8%
- Wellington Management Company, LLP4.7%
- Next 6 largest institutions18.0%
- All other shareholders37.1%
| Holder | Shares | % of shares |
|---|---|---|
| Gilead Sciences, Inc. | 31.42M | 24.99% |
| BlackRock Institutional Trust Company, N.A. | 13.16M | 10.47% |
| State Street Investment Management (US) | 6.03M | 4.79% |
| Wellington Management Company, LLP | 5.90M | 4.69% |
| Montanova Capital, LLC | 4.78M | 3.80% |
| Vanguard Portfolio Management, LLC | 4.48M | 3.56% |
| Vanguard Capital Management, LLC | 3.89M | 3.09% |
| Fidelity Management & Research Company LLC | 3.31M | 2.63% |
| Citadel Advisors LLC | 3.14M | 2.49% |
| Woodline Partners LP | 3.01M | 2.39% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.29M | 4.20% |
| Vanguard Health Care Fund | 3.45M | 2.74% |
| Vanguard Total Stock Market Index Fund | 2.81M | 2.24% |
| State Street SPDR S&P Biotech ETF | 2.72M | 2.17% |
| iShares Russell 2000 ETF | 2.30M | 1.83% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $3.26M (10 trades) of RCUS on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Azoy Alexander | Option exercise | 2.83K | — |
| Azoy Alexander | Sale | 2.83K | $84.81K |
| Azoy Alexander | Option exercise | 2.83K | $43.65K |
| Jaen Juan C. | Sale | 268 | $7.88K |
| Jaen Juan C. | Sale | 19.80K | $566.41K |
| Jaen Juan C. | Sale | 48.50K | $1.46M |
| Jaen Juan C. | Sale | 6.43K | $190.74K |
| Jaen Juan C. | Sale | 1.70K | $47.62K |
| Jaen Juan C. | Sale | 14.07K | $389.48K |
| Jaen Juan C. | Sale | 9.24K | $249.66K |
Short interest
Settled Sep 30, 2026
- Shares short
- 13.11M
- Days to cover
- 7.64
- % of shares outstanding
- 10.42%
- Average daily volume
- 1.72M
- Change since last report
- −5.1%
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