Mariner’s Erasca ERAS Stock Holding History

Mariner’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	$303K	Buy	18,728 +7,903	+73%	+$93.4K	﹤0.01%	2859
2025 Q4	$40.3K	Buy	+10,825	New	+$30.4K	﹤0.01%	3435
2025 Q3	–	Sell	-10,092	Closed	-$12.8K	–	3625
2025 Q2	$12.8K	Buy	+10,092	New	+$13.5K	﹤0.01%	3447

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

Mariner's ERAS Position: Q1 2026 in Review

Mariner increased its Erasca (ERAS) stake by 73% in Q1 2026, buying an estimated $93.4K and bringing the position to 18,728 shares worth $303K. The position accounts for ﹤0.01% of the portfolio, ranked #2859.

Mariner first reported a position in ERAS in Q2 2025 and has held it in 3 quarters since. 225 funds tracked by Wall St. Rank hold ERAS as of Q1 2026.

Mariner held 18,728 shares of Erasca worth $303K as of Q1 2026.
Mariner bought 7,903 Erasca shares in Q1 2026, an estimated $93.4K.
Erasca made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2859 holding.
Mariner first reported a position in Erasca in Q2 2025 and has held it in 3 quarters since.
225 funds tracked by Wall St. Rank held Erasca as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.