Erasca
Develops pan-RAS and pan-KRAS therapies for RAS/MAPK-driven solid tumors.
$18.10
After-hours close+0.07 (+0.36%)
At close$18.04(−7.47%)
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Breakdown13F · Form 4
Institutions 82.21%285.37M sharesInsiders 0.09%305.1K sharesOther 17.70%61.45M shares
Shares outstanding 347.13M · Float 222.52M · 64.1% free float
Institutions13F, as of Jun 30, 2026
274 holders · 285.37M shares · 65 new positions · 168 increased · 77 reduced · 31 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 24.98M | 7.19% | +300.0K | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | 21.19M | 6.10% | −73.8K | Aug 14, 2026 |
| BlackRock, Inc. | 21.15M | 6.09% | +1.00M | Aug 7, 2026 |
| RTW Investments, LP | 17.95M | 5.17% | +1.79M | Aug 14, 2026 |
| VR Adviser, LLC | 17.89M | 5.15% | +1.51M | Aug 14, 2026 |
| State Street Corp | 12.18M | 3.51% | +2.88M | Aug 7, 2026 |
| Logos Global Management LP | 12.15M | 3.50% | +1.00M | Aug 14, 2026 |
| Vanguard Capital Management LLC | 11.40M | 3.28% | +152.5K | Aug 13, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 6.80% | 21.22M | 13G | May 15, 2026 ↗ |
| BlackRock, Inc. | 5.40% | 15.36M | Nov 8, 2024 ↗ | |
| Venrock Healthcare Capital Partners III, L.P. | 5.30% | 16.38M | 13G | May 15, 2026 ↗ |
| Frazier Life Sciences Public Fund, L.P. | 5.30% | 15.04M | 13G | Aug 14, 2025 ↗ |
| RTW Investments, LP | 5.20% | 16.16M | 13G | May 15, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| David M. Chacko | officer: CFO and CBO | 280.0K | 0.08% | Jan 30, 2026 |
| Ebun Garner | officer: Chief Legal Officer | 25.1K | 0.01% | Apr 3, 2026 |
1 ten-percent owner holds 5.53M shares by Form 4, outside the officers-and-directors figure above · 7 people have not refiled in the last 18 months (24.65M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Apr 1, 2026 | Ebun Garnerofficer: Chief Legal Officer | Sale | 80,000 | $16.40 | 25,076 |
| Mar 4, 2026 | Shannon Morrisofficer: Chief Medical Officer | Sale | 20,000 | $15.04 | 0 |
| Jan 7, 2026 | Ebun Garnerofficer: General Counsel & Corp. Sec. | Sale | 120,000 | $5.59 | 25,076 |
CongressHouse and Senate disclosures
Not reported.