Arcus Biosciences, Inc. (RCUS) ownership: insiders 28% · institutions 94% · index and ETF funds 5% (13F 2026-03-31). Insider activity, 90 days: Routine (8 sales, 0 open-market buys). SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Gilead Sciences, Inc. | 31424760.00 | $678.77M | 25.0% | 2026-03-31 |
| BlackRock | 15226475.00 | $328.89M | 12.1% | 2026-03-31 |
| Vanguard | 8841585.00 | $190.98M | 7.0% | 2026-03-31 |
| Wellington Management | 6089516.00 | $131.53M | 4.8% | 2026-03-31 |
| State Street | 5412901.00 | $116.92M | 4.3% | 2026-03-31 |
| Suvretta Capital Management, LLC | 5030993.00 | $108.67M | 4.0% | 2026-03-31 |
| Woodline Partners LP | 3777798.00 | $81.60M | 3.0% | 2026-03-31 |
| Marshall Wace | 3761437.00 | $81.25M | 3.0% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-09 | |
| Sell | null | 2026-07-09 | |
| Sell | null | 2026-07-09 | |
| Sell | null | 2026-06-22 | |
| Sell | null | 2026-06-22 | |
| Sell | null | 2026-06-22 | |
| Sell | null | 2026-06-22 | |
| Sell | null | 2026-06-11 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.