HighVista Strategies’s GH Research GHRS Stock Holding History

HighVista Strategies’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	$3M	Sell	213,212 -27,312	-11%	-$419K	0.83%	36
2025 Q4	$3.05M	Sell	240,524 -1,370	-0.6%	-$18.7K	0.79%	40
2025 Q3	$3.46M	Buy	241,894 +189,647	+363%	+$2.65M	0.85%	32
2025 Q2	$637K	Buy	+52,247	New	+$573K	0.23%	119
2023 Q1	–	Sell	-65,597	Closed	-$638K	–	119
2022 Q4	$638K	Buy	65,597 +8,828	+16%	+$95.5K	0.38%	69
2022 Q3	$660K	Sell	56,769 -7,167	-11%	-$90.4K	0.38%	72
2022 Q2	$638K	Buy	63,936 +11,096	+21%	+$144K	0.39%	63
2022 Q1	$966K	Buy	52,840 +25,830	+96%	+$456K	0.61%	37
2021 Q4	$630K	Buy	+27,010	New	+$593K	0.5%	61

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

HighVista Strategies's GHRS Position: Q1 2026 in Review

HighVista Strategies reduced its GH Research (GHRS) stake by 11% in Q1 2026, selling an estimated $419K and leaving 213,212 shares worth $3M. The position accounts for 0.83% of the portfolio, ranked #36.

HighVista Strategies first reported a position in GHRS in Q4 2021 and has held it in 9 quarters since. The position peaked at $3.46M in Q3 2025. 54 funds tracked by Wall St. Rank hold GHRS as of Q1 2026.

HighVista Strategies held 213,212 shares of GH Research worth $3M as of Q1 2026.
HighVista Strategies sold 27,312 GH Research shares in Q1 2026, an estimated $419K.
GH Research made up 0.83% of HighVista Strategies's portfolio in Q1 2026, its #36 holding.
HighVista Strategies first reported a position in GH Research in Q4 2021 and has held it in 9 quarters since.
HighVista Strategies's GH Research position peaked at $3.46M in Q3 2025.
54 funds tracked by Wall St. Rank held GH Research as of Q1 2026.

Based on HighVista Strategies's 13F filing for Q1 2026, filed 15 May 2026.