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.
13F holders, Q4 2025
Institutional positions in GH Research PLC as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 53
- +7 vs. Q3 2025
- Shares held
- 46.6M
- +2.05M (+4.6%) vs. Q3 2025
- Total value
- $591.4M
- −$26.4M (−4.3%) vs. Q3 2025
- New holders
- 15
- 18 more added
- Sold out
- 8
- 14 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GHRS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 63 | $1.38B |
| Q1 2026 | 54 | $668.5M |
| Q4 2025 | 53 | $591.4M |
| Q3 2025 | 47 | $618.1M |
| Q2 2025 | 38 | $530.9M |
| Q1 2025 | 36 | $470.1M |
| Q4 2024 | 31 | $214.9M |
| Q3 2024 | 28 | $204.2M |
| Q2 2024 | 28 | $354.8M |
| Q1 2024 | 32 | $315.5M |
| Q4 2023 | 35 | $171.7M |
| Q3 2023 | 29 | $291.5M |
| Q2 2023 | 34 | $351.6M |
| Q1 2023 | 29 | $237.2M |
| Q4 2022 | 32 | $299.5M |
| Q3 2022 | 34 | $367.2M |
| Q2 2022 | 35 | $325.0M |
| Q1 2022 | 33 | $587.1M |
| Q4 2021 | 30 | $701.0M |
| Q3 2021 | 30 | $625.2M |
| Q2 2021 | 34 | $593.7M |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding GH Research PLC; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lynx1 Capital Management LP | 10,406,575 | $132.2M | 26.75% | +1,805,386+21.0% | Added |
| BVF Inc | 8,827,712 | $112.1M | 3.77% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 7,676,697 | $97.5M | 1.00% | 00.0% | Unchanged |
| RTW Investments, LP | 5,933,815 | $75.4M | 0.75% | +364,251+6.5% | Added |
| FMR LLC | 5,136,045 | $65.2M | 0.00% | −191,000−3.6% | Reduced |
| Avoro Capital Advisors LLC | 1,800,000 | $22.9M | 0.22% | +1,800,000 | New |
| Cormorant Asset Management, LP | 1,300,000 | $16.5M | 0.94% | −616,439−32.2% | Reduced |
| Jefferies Financial Group Inc. | 712,300 | $9.05M | 0.07% | +2,988+0.4% | Added |
| Verition Fund Management LLC | 673,735 | $8.56M | 0.05% | −4,754−0.7% | Reduced |
| 5AM Venture Management, LLC | 572,665 | $7.27M | 2.29% | 00.0% | Unchanged |
| BlackRock, Inc. | 434,401 | $5.52M | 0.00% | +376,542+650.8% | Added |
| Troluce Capital Advisors LLC | 373,212 | $4.74M | 3.50% | +326,490+698.8% | Added |
| UBS Group AG | 363,381 | $4.61M | 0.00% | −148,083−29.0% | Reduced |
| Squadron Capital Management LLC | 315,000 | $4.00M | 1.79% | +315,000 | New |
| Millennium Management LLC | 295,926 | $3.76M | 0.00% | −567,676−65.7% | Reduced |
| CenterBook Partners LP | 283,441 | $3.60M | 0.18% | +117,288+70.6% | Added |
| Marshall Wace, LLP | 240,764 | $3.06M | 0.00% | +71,264+42.0% | Added |
| HighVista Strategies LLC | 240,524 | $3.05M | 0.79% | −1,370−0.6% | Reduced |
| Alyeska Investment Group, L.P. | 204,975 | $2.60M | 0.01% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 112,184 | $1.42M | 0.04% | +28,634+34.3% | Added |
| Goldman Sachs Group Inc | 80,986 | $1.03M | 0.00% | +69,911+631.3% | Added |
| AdvisorShares Investments LLC | 67,112 | $852.3K | 0.14% | +13,121+24.3% | Added |
| Trexquant Investment LP | 54,776 | $695.7K | 0.01% | +54,776 | New |
| Morgan Stanley | 51,404 | $652.8K | 0.00% | +47,162+1,111.8% | Added |
| Jane Street Group, LLC | 50,005 | $635.1K | 0.00% | +27,001+117.4% | Added |
| BIT Capital GmbH | 50,000 | $635.0K | 0.03% | +50,000 | New |
| XTX Topco Ltd | 44,446 | $564.5K | 0.01% | +44,446 | New |
| Geode Capital Management, LLC | 35,645 | $452.7K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 32,828 | $416.9K | 0.00% | −145−0.4% | Reduced |
| Citadel Advisors LLC | 26,258 | $333.5K | 0.00% | −68,144−72.2% | Reduced |
| Virtus Investment Advisers, Inc. | 20,408 | $259.2K | 0.07% | +11,539+130.1% | Added |
| JPMorgan Chase & Co | 18,881 | $239.8K | 0.00% | +4,981+35.8% | Added |
| Gsa Capital Partners LLP | 18,565 | $236.0K | 0.02% | +18,565 | New |
| HRT Financial LP | 15,936 | $202.0K | 0.00% | +15,936 | New |
| Susquehanna International Group, LLP | 15,877 | $201.6K | 0.00% | +15,877 | New |
| HighTower Advisors, LLC | 15,600 | $198.1K | 0.00% | −500−3.1% | Reduced |
| State Street Corp | 10,821 | $137.4K | 0.00% | −171−1.6% | Reduced |
| Lion Point Capital, LP | 10,200 | $129.5K | 0.67% | +10,200 | New |
| China Universal Asset Management Co., Ltd. | 10,107 | $128.4K | 0.01% | +10,107 | New |
| Advisor Group Holdings, Inc. | 10,025 | $127.3K | 0.00% | −100−1.0% | Reduced |
| Bank of America Corp | 4,450 | $56.5K | 0.00% | +4,175+1,518.2% | Added |
| Citigroup Inc | 4,404 | $55.9K | 0.00% | +4,373+14,106.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,014 | $38.3K | 0.00% | +3,014 | New |
| Barclays PLC | 2,118 | $26.9K | 0.00% | +822+63.4% | Added |
| Royal Bank of Canada | 1,810 | $23.0K | 0.00% | +52+3.0% | Added |
| BNP Paribas Arbitrage, SA | 1,337 | $17.0K | 0.00% | −4,865−78.4% | Reduced |
| Wells Fargo & Company | 1,250 | $15.9K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,218 | $15.5K | 0.00% | +1,218 | New |
| Tower Research Capital LLC (TRC) | 770 | $9.78K | 0.00% | +770 | New |
| Global Retirement Partners, LLC | 400 | $5.08K | 0.00% | −400−50.0% | Reduced |
| Daiwa Securities Group Inc. | 207 | $3.00K | 0.00% | +207 | New |
| Simplex Trading, LLC | 48 | $609 | 0.00% | −4,161−98.9% | Reduced |
| SBI Securities Co., Ltd. | 20 | $254 | 0.00% | +20 | New |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −1,250,000−100.0% | Sold out |
| StemPoint Capital LP | 0 | $0 | 0.00% | −545,275−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −76,958−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −36,103−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −24,030−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −22,060−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |