Erasca Inc
Ownership
Ownership Structure
Who owns Erasca Inc (ERAS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 73.0% of the shares are freely tradable; institutional investors hold 93.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 7.14 | 24,975,188 | +1.2 | 06/30/2026 |
| T. Rowe Price Investment Management,Inc. | 6.06 | 21,185,839 | -0.3 | 06/30/2026 |
| BlackRock Inc | 6.05 | 21,154,146 | +5.0 | 06/30/2026 |
| RTW INVESTMENTS, LLC | 5.13 | 17,946,754 | +11.1 | 06/30/2026 |
| VR Adviser, LLC | 5.12 | 17,891,812 | +9.2 | 06/30/2026 |
| State Street Corp | 3.48 | 12,184,555 | +31.0 | 06/30/2026 |
| Logos Global Management LP | 3.47 | 12,150,000 | +9.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.26 | 11,402,199 | +1.4 | 06/30/2026 |
| Siren, L.L.C. | 3.26 | 11,397,781 | +1.4 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.90 | 10,139,138 | +3.4 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 2, 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.