Jane Street’s GH Research GHRS Stock Holding History

Jane Street’s Portfolio GHRS Stock Details GHRS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-50,005	Closed	-$635K	–	12078
2025 Q4	$635K	Buy	50,005 +27,001	+117%	+$368K	﹤0.01%	7162
2025 Q3	$329K	Buy	+23,004	New	+$322K	﹤0.01%	8718

Other funds holding GHRS

LCM

Lynx1 Capital Management San Juan, Puerto Rico $633M AUM 173.22% 1-Year Est. Return

BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

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

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

ACA

Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return

Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return

TCA

Troluce Capital Advisors Dorado, Puerto Rico $1.63B AUM 37.23% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

JFG

Jefferies Financial Group New York $14.6B AUM 40.95% 1-Year Est. Return

Jane Street's GHRS Position: Q1 2026 in Review

Jane Street sold out of GH Research (GHRS) in Q1 2026, closing a stake of 50,005 shares — an estimated $635K sold.

Jane Street first reported a position in GHRS in Q3 2025 and held it in 2 quarters. The position peaked at $635K in Q4 2025. 54 funds tracked by Wall St. Rank hold GHRS as of Q1 2026.

Jane Street reported no remaining GH Research position as of Q1 2026 after selling out during the quarter.
Jane Street sold 50,005 GH Research shares in Q1 2026, an estimated $635K.
Jane Street first reported a position in GH Research in Q3 2025 and held it in 2 quarters.
Jane Street's GH Research position peaked at $635K in Q4 2025.
54 funds tracked by Wall St. Rank held GH Research as of Q1 2026.

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