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. 69.4% 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. | 7.05 | 24,675,188 | +8.6 | 03/31/2026 |
| T. Rowe Price Investment Management,Inc. | 6.08 | 21,259,646 | +1.7 | 03/31/2026 |
| BlackRock Inc | 5.76 | 20,151,406 | +29.2 | 03/31/2026 |
| VR Adviser, LLC | 4.68 | 16,382,812 | -8.3 | 03/31/2026 |
| RTW INVESTMENTS, LLC | 4.62 | 16,157,175 | +10,917.4 | 03/31/2026 |
| Logos Global Management LP | 3.47 | 12,150,000 | +9.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.22 | 11,249,738 | +0.0 | 03/31/2026 |
| Siren, L.L.C. | 3.21 | 11,244,246 | +28.4 | 03/31/2026 |
| Paradigm Biocapital Advisors LP | 2.73 | 9,550,000 | -8.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.81 | 9,814,143 | +17.0 | 07/31/2026 |
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: September 18, 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.