PEAK6’s GH Research GHRS Stock Holding History

PEAK6’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
2025 Q3	–	Sell	-20,000	Closed	-$244K	–	3132
2025 Q2	$244K	Sell	20,000 -44,213	-69%	-$485K	﹤0.01%	2385
2025 Q1	$708K	Buy	64,213 +5,013	+8%	+$56.1K	﹤0.01%	1929
2024 Q4	$414K	Buy	+59,200	New	+$476K	﹤0.01%	2252

Other funds holding GHRS

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

LCM

Lynx1 Capital Management San Juan, Puerto Rico $633M AUM 173.22% 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

CAM

Cormorant Asset Management Boston, Massachusetts $1.99B AUM 737.95% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 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

Verition Fund Management Greenwich, Connecticut $15.4B AUM 30.69% 1-Year Est. Return

PEAK6's GHRS Position: Q3 2025 in Review

PEAK6 sold out of GH Research (GHRS) in Q3 2025, closing a stake of 20,000 shares — an estimated $244K sold.

PEAK6 first reported a position in GHRS in Q4 2024 and held it in 3 quarters. The position peaked at $708K in Q1 2025. 47 funds tracked by Wall St. Rank hold GHRS as of Q3 2025.

PEAK6 reported no remaining GH Research position as of Q3 2025 after selling out during the quarter.
PEAK6 sold 20,000 GH Research shares in Q3 2025, an estimated $244K.
PEAK6 first reported a position in GH Research in Q4 2024 and held it in 3 quarters.
PEAK6's GH Research position peaked at $708K in Q1 2025.
47 funds tracked by Wall St. Rank held GH Research as of Q3 2025.

Based on PEAK6's 13F filing for Q3 2025, filed 14 Nov 2025.