Arcus Biosciences Inc (RCUS)
Who owns Arcus Biosciences Inc (RCUS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 70.7% of the shares are freely tradable; institutional investors hold 72.4%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.11 | 15,226,475 | +1.5 | 03/31/2026 |
| Wellington Management Company LLP | 4.84 | 6,089,516 | +17.5 | 03/31/2026 |
| State Street Corp | 4.30 | 5,412,901 | +18.3 | 03/31/2026 |
| Suvretta Capital Management, LLC | 4.00 | 5,030,993 | -3.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 3.40 | 4,272,056 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.07 | 3,856,725 | +0.0 | 03/31/2026 |
| Woodline Partners LP | 3.00 | 3,777,798 | +0.2 | 03/31/2026 |
| Marshall Wace Asset Management Ltd | 2.99 | 3,761,437 | +11.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 4.21 | 5,293,950 | +0.0 | 07/28/2026 |
| Vanguard Health Care Inv | 3.28 | 4,124,859 | +28.7 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 10. Jul 2026 | Jaen Juan C. | President | Sell | 268 | 29.40 | 7,878 |
| 10. Jul 2026 | Jaen Juan C. | President | Sell | 19,799 | 28.61 | 566,410 |
| 9. Jul 2026 | Jaen Juan C. | President | Sell | 48,502 | 30.05 | 1,457,631 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.