GH ResearchGHRS
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 47 institutions reported holding GH Research PLC (GHRS) in their 13F filings, up 9 from Q2 2025. 14 opened new positions and 5 sold out. The largest holders were BVF Inc. ($126.2M), Ra Capital Management, L.P. ($109.8M) and Lynx1 Capital Management LP ($104.3M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- GH Research PLC
- CUSIP
- G3855L106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $9.4M |
| Exits | 5 | $24.8M |
All 13F filers, Q2 2025 → Q3 2025: 4,249,124 shares bought and 3,269,926 shares sold, net +979,198 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 47 holders
| BVF Inc. | 5.12% | No change | 8,827,712 | $126.2M |
| Ra Capital Management, L.P. | 1.35% | No change | 7,676,697 | $109.8M |
| Lynx1 Capital Management LP | 21.23% | Add +27.5% | 8,601,189 | $104.3M |
| RTW Investments, LP | 0.98% | Add +0.5% | 5,569,564 | $79.6M |
| FMR LLC | 0.00% | Add +4.6% | 5,327,045 | $76.2M |
| Cormorant Asset Management, LP | 1.89% | Reduce -4.6% | 1,916,439 | $27.4M |
| Deep Track Capital, LP | 0.50% | Reduce -37.5% | 1,250,000 | $17.9M |
| Millennium Management | 0.01% | Add +324.1% | 863,602 | $12.3M |
| Jefferies Financial Group Inc. | 0.10% | No change | 709,312 | $10.1M |
| Verition Fund Management LLC | 0.06% | Add +3.2% | 678,489 | $9.7M |
| 5AM Venture Management, LLC | 3.00% | No change | 572,665 | $8.2M |
| Stempoint Capital LP | 1.57% | Add +440.8% | 545,275 | $7.8M |
| UBS Group AG | 0.00% | Add +11.5% | 511,464 | $7.3M |
| HighVista Strategies LLC | 0.85% | Add +363.0% | 241,894 | $3.5M |
| Alyeska Investment Group, L.P. | 0.01% | Reduce -19.6% | 204,975 | $2.9M |
| Marshall Wace, LLP | 0.00% | New | 169,500 | $2.4M |
| CenterBook Partners LP | 0.12% | New | 166,153 | $2.4M |
| Citadel Advisors | 0.00% | New | 94,402 | $1.3M |
| Boothbay Fund Management, LLC | 0.03% | Add +504.0% | 83,550 | $1.2M |
| Point72 Asset Management | 0.00% | New | 76,958 | $1.1M |
| BlackRock, Inc. | 0.00% | Reduce -10.6% | 57,859 | $827K |
| AdvisorShares Investments LLC | 0.13% | Add +41.1% | 53,991 | $772K |
| Troluce Capital Advisors LLC | 0.24% | Reduce -45.5% | 46,722 | $668K |
| Squarepoint Ops LLC | 0.00% | New | 36,103 | $516K |
| Geode Capital Management, LLC | 0.00% | Add +2.9% | 35,645 | $510K |
| Northern Trust Corp. | 0.00% | Reduce -15.4% | 32,973 | $472K |
| Tang Capital Management LLC | 0.01% | New | 24,030 | $344K |
| Jane Street Group, LLC | 0.00% | New | 23,004 | $329K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 22,732 | $325K |
| Man Group plc | 0.00% | New | 22,060 | $315K |
| HighTower Advisors, LLC | 0.00% | Reduce -27.8% | 16,100 | $230K |
| JPMorgan Chase & Co. | 0.00% | Add +113.8% | 13,900 | $199K |
| Goldman Sachs Group Inc. | 0.00% | New | 11,075 | $158K |
| State Street Corp. | 0.00% | New | 10,992 | $157K |
| Osaic Holdings, Inc. | 0.00% | Add +64.0% | 10,125 | $137K |
| Virtus Investment Advisers, LLC | 0.04% | Add +21.0% | 8,869 | $127K |
| BNP Paribas Financial Markets | 0.00% | Reduce -63.5% | 6,202 | $89K |
| Morgan Stanley | 0.00% | Reduce -98.5% | 4,242 | $61K |
| Simplex Trading, LLC | 0.00% | Add +16736.0% | 4,209 | $60K |
| Royal Bank of Canada | 0.00% | Reduce -5.6% | 1,758 | $25K |
| Barclays PLC | 0.00% | New | 1,296 | $19K |
| Wells Fargo & Company | 0.00% | No change | 1,250 | $18K |
| Global Retirement Partners, LLC | 0.00% | Add +627.3% | 800 | $11K |
| Bank of America Corp. | 0.00% | Add +23.3% | 275 | $4K |
| Farther Finance Advisors, LLC | 0.00% | New | 200 | $3K |
| Group One Trading LLC | 0.00% | Add +25.0% | 100 | $1K |
| Citigroup Inc. | 0.00% | New | 31 | $443 |
"% of holder's portfolio" is GHRS's weight in each manager's 13F, not the share of GH Research PLC the manager owns.