Erasca
ERAS
225 hedge funds and large institutions have $4.39B invested in Erasca in 2026 Q1 according to their latest regulatory filings, with 97 funds opening new positions, 77 increasing their positions, 39 reducing their positions, and 23 closing their positions.
438% more capital invested
Capital invested by funds: $816M → $4.39B (+$3.57B)
336% more call options, than puts
Call options by funds: $41.4M | Put options by funds: $9.49M
322% more first-time investments, than exits
New positions opened: 97 | Existing positions closed: 23
200% more funds holding in top 10
Funds holding in top 10: 5 → 15 (+10)
97% more repeat investments, than reductions
Existing positions increased: 77 | Existing positions reduced: 39
46% more funds holding
Funds holding: 154 → 225 (+71)
10.7% more ownership
Funds ownership: 77.29% → 87.99% (+11%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RI
RTW Investments
New York
|
+$189M |
| 2 |
CAM
Cormorant Asset Management
Boston,
Massachusetts
|
+$68.6M |
| 3 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$60.8M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
+$59.6M |
| 5 |
BlackRock
New York
|
+$53.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SCM
Suvretta Capital Management
New York
|
-$131M |
| 2 |
AVM
Arch Venture Management
Chicago,
Illinois
|
-$46.9M |
| 3 |
PBA
Paradigm Biocapital Advisors
New York
|
-$44.5M |
| 4 |
SSC
Spruce Street Capital
New York
|
-$41M |
| 5 |
5VM
5AM Venture Management
San Francisco,
California
|
-$22.7M |
ERAS Hedge Fund Activity: Q1 2026 in Review
225 of the 8,191 institutional investors tracked by Wall St. Rank reported a position in Erasca (ERAS) for Q1 2026, worth a combined $4.39B — up 438% from $816M a quarter earlier.
Buyers outnumbered sellers: 97 funds opened new ERAS positions and 23 closed out — a net gain of 74 holders — while 77 added to existing stakes and 39 trimmed.
The largest buyer was RTW Investments, adding an estimated $189M. The largest seller was Suvretta Capital Management, cutting an estimated $131M.
- 225 institutional investors held Erasca (ERAS) as of Q1 2026, up from 154 in Q4 2025.
- Funds reported $4.39B of Erasca stock for Q1 2026, up 438% quarter-over-quarter.
- 97 funds opened new Erasca positions in Q1 2026 and 23 closed out, a net change of +74 holders.
- The largest Erasca buyer in Q1 2026 was RTW Investments, an estimated $189M added.
- The largest Erasca seller in Q1 2026 was Suvretta Capital Management, an estimated $131M sold.
Based on aggregated 13F filings for Q1 2026.