GH ResearchGHRS
13F holders, Q4 2025 (December 31)53holders +6
14new positions
8sold out
2famous investors
$12.70avg. 13F price*
At the end of Q4 2025, 53 institutions reported holding GH Research PLC (GHRS) in their 13F filings, up 6 from Q3 2025. 14 opened new positions and 8 sold out. The largest holders were Lynx1 Capital Management LP ($132.2M), BVF Inc. ($112.1M) and Ra Capital Management, L.P. ($97.5M). 2 famous investors held it, including Israel Englander (0.0% of Millennium 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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $25.7M |
| Exits | 8 | $28.0M |
All 13F filers, Q3 2025 → Q4 2025: 5,301,116 shares bought and 3,562,534 shares sold, net +1,738,582 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 53 holders
| Lynx1 Capital Management LP | 26.75% | Add +21.0% | 10,406,575 | $132.2M |
| BVF Inc. | 3.77% | No change | 8,827,712 | $112.1M |
| Ra Capital Management, L.P. | 1.00% | No change | 7,676,697 | $97.5M |
| RTW Investments, LP | 0.75% | Add +6.5% | 5,933,815 | $75.4M |
| FMR LLC | 0.00% | Reduce -3.6% | 5,136,045 | $65.2M |
| Avoro Capital Advisors LLC | 0.22% | New | 1,800,000 | $22.9M |
| Cormorant Asset Management, LP | 0.94% | Reduce -32.2% | 1,300,000 | $16.5M |
| Jefferies Financial Group Inc. | 0.08% | Add +0.4% | 712,300 | $9.0M |
| Verition Fund Management LLC | 0.05% | Reduce -0.7% | 673,735 | $8.6M |
| 5AM Venture Management, LLC | 2.29% | No change | 572,665 | $7.3M |
| BlackRock, Inc. | 0.00% | Add +650.8% | 434,401 | $5.5M |
| Troluce Capital Advisors LLC | 3.67% | Add +698.8% | 373,212 | $4.7M |
| UBS Group AG | 0.00% | Reduce -28.9% | 363,381 | $4.6M |
| Squadron Capital Management LLC | 1.79% | — | 315,000 | $4.0M |
| Millennium Management | 0.00% | Reduce -65.7% | 295,926 | $3.8M |
| CenterBook Partners LP | 0.18% | Add +70.6% | 283,441 | $3.6M |
| Marshall Wace, LLP | 0.00% | Add +42.0% | 240,764 | $3.1M |
| HighVista Strategies LLC | 0.79% | Reduce -0.6% | 240,524 | $3.1M |
| Alyeska Investment Group, L.P. | 0.01% | No change | 204,975 | $2.6M |
| Boothbay Fund Management, LLC | 0.04% | Add +34.3% | 112,184 | $1.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +631.3% | 80,986 | $1.0M |
| AdvisorShares Investments LLC | 0.14% | Add +24.3% | 67,112 | $852K |
| Trexquant Investment LP | 0.01% | New | 54,776 | $696K |
| Morgan Stanley | 0.00% | Add +1111.8% | 51,404 | $653K |
| Jane Street Group, LLC | 0.00% | Add +117.4% | 50,005 | $635K |
| BIT Capital GmbH | 0.03% | New | 50,000 | $635K |
| XTX Topco Ltd | 0.01% | New | 44,446 | $564K |
| Geode Capital Management, LLC | 0.00% | No change | 35,645 | $453K |
| Northern Trust Corp. | 0.00% | Reduce -0.4% | 32,828 | $417K |
| Citadel Advisors | 0.00% | Reduce -72.2% | 26,258 | $333K |
| Virtus Investment Advisers, LLC | 0.07% | Add +130.1% | 20,408 | $259K |
| JPMorgan Chase & Co. | 0.00% | Add +35.8% | 18,881 | $240K |
| Gsa Capital Partners LLP | 0.02% | New | 18,565 | $236K |
| HRT Financial LP | 0.00% | New | 15,936 | $202K |
| Susquehanna International Group, LLP | 0.00% | New | 15,877 | $202K |
| HighTower Advisors, LLC | 0.00% | Reduce -3.1% | 15,600 | $198K |
| State Street Corp. | 0.00% | Reduce -1.6% | 10,821 | $137K |
| Lion Point Capital, LP | 0.67% | New | 10,200 | $130K |
| China Universal Asset Management Co., Ltd. | 0.01% | New | 10,107 | $128K |
| Osaic Holdings, Inc. | 0.00% | Reduce -1.0% | 10,025 | $127K |
| Bank of America Corp. | 0.00% | Add +1518.2% | 4,450 | $57K |
| Citigroup Inc. | 0.00% | Add +14106.5% | 4,404 | $56K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | New | 3,014 | $38K |
| Barclays PLC | 0.00% | Add +63.4% | 2,118 | $27K |
| Royal Bank of Canada | 0.00% | Add +3.0% | 1,810 | $23K |
| BNP Paribas Financial Markets | 0.00% | Reduce -78.4% | 1,337 | $17K |
| Wells Fargo & Company | 0.00% | No change | 1,250 | $16K |
| GF Fund Management Co. LTD. | 0.00% | New | 1,218 | $15K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 770 | $10K |
| Global Retirement Partners, LLC | 0.00% | Reduce -50.0% | 400 | $5K |
| Daiwa Securities Group Inc. | 0.00% | New | 207 | $3K |
| Simplex Trading, LLC | 0.00% | Reduce -98.9% | 48 | $609 |
| SBI Securities Co., Ltd. | 0.00% | New | 20 | $254 |
"% of holder's portfolio" is GHRS's weight in each manager's 13F, not the share of GH Research PLC the manager owns.