RTW Investments’s GH Research GHRS Stock Holding History

RTW Investments’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 Q2	$160M	Hold	5,933,815	–	–	1.36%	27
2026 Q1	$83.4M	Hold	5,933,815	–	–	0.83%	31
2025 Q4	$75.4M	Buy	5,933,815 +364,251	+7%	+$4.96M	0.75%	38
2025 Q3	$79.6M	Buy	5,569,564 +29,107	+0.5%	+$407K	0.98%	28
2025 Q2	$67.5M	Buy	5,540,457 +40,688	+0.7%	+$446K	0.96%	28
2025 Q1	$60.7M	Buy	5,499,769 +2,172,640	+65%	+$24.3M	0.93%	28
2024 Q4	$23.3M	Hold	3,327,129	–	–	0.35%	43
2024 Q3	$22.3M	Hold	3,327,129	–	–	0.32%	43
2024 Q2	$38.8M	Hold	3,327,129	–	–	0.6%	39
2024 Q1	$35.5M	Hold	3,327,129	–	–	0.52%	45
2023 Q4	$19.3M	Hold	3,327,129	–	–	0.3%	44
2023 Q3	$33.4M	Buy	3,327,129 +1,158,172	+53%	+$13.4M	0.71%	31
2023 Q2	$25.7M	Hold	2,168,957	–	–	0.49%	34
2023 Q1	$17.3M	Hold	2,168,957	–	–	0.36%	33
2022 Q4	$21.1M	Hold	2,168,957	–	–	0.43%	38
2022 Q3	$25.2M	Hold	2,168,957	–	–	0.58%	39
2022 Q2	$21.6M	Hold	2,168,957	–	–	0.56%	40
2022 Q1	$39.7M	Hold	2,168,957	–	–	0.82%	37
2021 Q4	$50.6M	Hold	2,168,957	–	–	0.74%	41
2021 Q3	$45.7M	Hold	2,168,957	–	–	0.69%	41
2021 Q2	$42.7M	Buy	+2,168,957	New	+$44.3M	0.64%	41

Other funds holding GHRS

LCM

Lynx1 Capital Management San Juan, Puerto Rico $866M AUM 231.68% 1-Year Est. Return

BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return

ACA

Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return

FCMV

Foresite Capital Management VI Larkspur, California $643M AUM 343.43% 1-Year Est. Return

JFG

Jefferies Financial Group New York $15.2B AUM 55.75% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

RTW Investments's GHRS Position: Q2 2026 in Review

RTW Investments held its GH Research (GHRS) position steady in Q2 2026 at 5,933,815 shares worth $160M. The position accounts for 1.36% of the portfolio, ranked #27.

RTW Investments first reported a position in GHRS in Q2 2021 and has held it in 21 quarters since. 63 funds tracked by Wall St. Rank hold GHRS as of Q2 2026.

RTW Investments held 5,933,815 shares of GH Research worth $160M as of Q2 2026.
RTW Investments left its GH Research share count unchanged in Q2 2026.
GH Research made up 1.36% of RTW Investments's portfolio in Q2 2026, its #27 holding.
RTW Investments first reported a position in GH Research in Q2 2021 and has held it in 21 quarters since.
63 funds tracked by Wall St. Rank held GH Research as of Q2 2026.

Based on RTW Investments's 13F filing for Q2 2026, filed 14 Aug 2026.