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GH Research PLC

GHRS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001855129

No open-market purchases or sales by GH Research PLC insiders were filed in the last 90 days; 63 institutions reported holding it in 13F filings for Q2 2026, worth $1.38B in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding GH Research PLC changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of GHRS: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders47153+7
Shares44.5M22.7K46.6M+2.05M (+4.6%)
Value$618.1M$325.1K$591.4M−$26.4M (−4.3%)

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (15)

Institutions that held GH Research PLC at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to GHRS in Q4 2025
InstitutionSharesValue% of portfolio
Avoro Capital Advisors LLC1,800,000$22.9M0.22%
Squadron Capital Management LLC315,000$4.00M1.79%
Trexquant Investment LP54,776$695.7K0.01%
BIT Capital GmbH50,000$635.0K0.03%
XTX Topco Ltd44,446$564.5K0.01%
Gsa Capital Partners LLP18,565$236.0K0.02%
HRT Financial LP15,936$202.0K0.00%
Susquehanna International Group, LLP15,877$201.6K0.00%
Lion Point Capital, LP10,200$129.5K0.67%
China Universal Asset Management Co., Ltd.10,107$128.4K0.01%
Mirae Asset Global Investments Co., Ltd.3,014$38.3K0.00%
GF Fund Management Co. Ltd.1,218$15.5K0.00%
Tower Research Capital LLC (TRC)770$9.78K0.00%
Daiwa Securities Group Inc.207$3.00K0.00%
SBI Securities Co., Ltd.20$2540.00%

Sold out (8)

Institutions that held GH Research PLC at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of GHRS in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Deep Track Capital, LP1,250,000$17.9M
StemPoint Capital LP545,275$7.80M
Point72 Asset Management, L.P.76,958$1.10M
Squarepoint Ops LLC36,103$516.3K
Tang Capital Management LLC24,030$343.6K
Man Group plc22,060$315.5K
Farther Finance Advisors, LLC200$2.86K
Group One Trading, L.P.100$1.43K

Not filed for Q4 2025 yet (1)

Institutions that held GH Research PLC at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GHRS in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Cubist Systematic Strategies, LLC22,732$325.1K