GH ResearchGHRS

13F holders, Q2 2025 (June 30)
38holders +2
6new positions
5sold out
1famous investor
$12.19avg. 13F price*

At the end of Q2 2025, 38 institutions reported holding GH Research PLC (GHRS) in their 13F filings, up 2 from Q1 2025. 6 opened new positions and 5 sold out. The largest holders were BVF Inc. ($107.6M), Ra Capital Management, L.P. ($93.6M) and Lynx1 Capital Management LP ($82.2M). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).

Company
GH Research PLC
CUSIP
G3855L106
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q1 2024: 32Q1 2024Q2 2024: 28Q2 2024Q3 2024: 28Q3 2024Q4 2024: 31Q4 2024Q1 2025: 36Q1 2025Q2 2025: 38Q2 2025Q3 2025: 47Q3 2025Q4 2025: 53Q4 2025Q1 2026: 54Q1 2026Q2 2026: 63Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions6$4.8M
Exits5$11.1M

All 13F filers, Q1 2025 → Q2 2025: 2,373,955 shares bought and 1,439,217 shares sold, net +934,738 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 38 holders

BVF Inc. 3.84% No change 8,827,712 $107.6M
Ra Capital Management, L.P. 1.58% Add +10.5% 7,676,697 $93.6M
Lynx1 Capital Management LP 23.76% Add +4.7% 6,746,951 $82.2M
RTW Investments, LP 0.96% Add +0.7% 5,540,457 $67.5M
FMR LLC 0.00% Add +19.8% 5,092,145 $62.1M
Cormorant Asset Management, LP 1.82% No change 2,009,482 $24.5M
Deep Track Capital, LP 0.78% No change 2,000,000 $24.4M
Toronto Dominion Bank 0.05% No change 1,967,293 $24.0M
Jefferies Financial Group Inc. 0.15% Reduce -5.4% 709,312 $8.6M
Verition Fund Management LLC 0.05% Reduce -2.0% 657,381 $8.0M
5AM Venture Management, LLC 2.68% No change 572,665 $7.0M
UBS Group AG 0.00% Add +2.4% 458,582 $5.6M
Morgan Stanley 0.00% Add +1.4% 281,002 $3.4M
Alyeska Investment Group, L.P. 0.01% Reduce -44.0% 254,975 $3.1M
Millennium Management 0.00% New 203,645 $2.5M
Stempoint Capital LP 0.40% New 100,826 $1.2M
Troluce Capital Advisors LLC 0.53% Reduce -44.9% 85,791 $1.0M
BlackRock, Inc. 0.00% Add +47.2% 64,745 $789K
HighVista Strategies LLC 0.23% New 52,247 $637K
Northern Trust Corp. 0.00% Reduce -0.9% 38,977 $475K
AdvisorShares Investments LLC 0.08% Add +15.0% 38,256 $466K
Geode Capital Management, LLC 0.00% Reduce -48.5% 34,633 $422K
HighTower Advisors, LLC 0.00% New 22,300 $272K
Palumbo Wealth Management LLC 0.08% Add +68.2% 21,651 $264K
Quadrature Capital Ltd 0.00% Reduce -36.4% 20,108 $246K
PEAK6 LLC 0.01% Reduce -68.8% 20,000 $244K
BNP Paribas Financial Markets 0.00% Add +165.4% 17,010 $207K
Boothbay Fund Management, LLC 0.01% Reduce -53.8% 13,833 $169K
Virtus Investment Advisers, LLC 0.03% New 7,329 $89K
JPMorgan Chase & Co. 0.00% New 6,500 $79K
Osaic Holdings, Inc. 0.00% Add +63.6% 6,175 $75K
Loring Wolcott & Coolidge Fiduciary Advisors LLP 0.00% No change 2,000 $24K
Royal Bank of Canada 0.00% Add +69.3% 1,862 $23K
Wells Fargo & Company 0.00% No change 1,250 $15K
Bank of America Corp. 0.00% Add +45.8% 223 $3K
Global Retirement Partners, LLC 0.00% — 110 $1K
Group One Trading LLC 0.00% Reduce -53.2% 80 $975
Simplex Trading, LLC 0.00% Add +47.1% 25 $0

"% of holder's portfolio" is GHRS's weight in each manager's 13F, not the share of GH Research PLC the manager owns.