Jane Street’s Erasca ERAS Stock Holding History

Jane Street’s Portfolio ERAS Stock Details ERAS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.16M	Buy	71,900 +31,400	+78%	+$371K	﹤0.01%	6191
2025 Q4	$151K	Buy	+40,500	New	+$114K	﹤0.01%	9927

Other funds holding ERAS

FLSM

Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

Vivo Capital Palo Alto, California $1.2B AUM 911.44% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return

LGM

Logos Global Management San Francisco, California $2B AUM 444.09% 1-Year Est. Return

PBA

Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return

Jane Street's ERAS Position: Q1 2026 in Review

Jane Street reduced its Erasca (ERAS) stake by 50% in Q1 2026, selling an estimated $5.41M and leaving 455,019 shares worth $7.36M. The position accounts for ﹤0.01% of the portfolio, ranked #2942.

Jane Street first reported a position in ERAS in Q1 2022 and has held it in 16 quarters since. 225 funds tracked by Wall St. Rank hold ERAS as of Q1 2026.

Jane Street held 455,019 shares of Erasca worth $7.36M as of Q1 2026.
Jane Street sold 457,500 Erasca shares in Q1 2026, an estimated $5.41M.
Erasca made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2942 holding.
Jane Street first reported a position in Erasca in Q1 2022 and has held it in 16 quarters since.
225 funds tracked by Wall St. Rank held Erasca as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.