GH ResearchGHRS
13F holders, Q2 2026 (June 30)63holders +9
17new positions
9sold out
5famous investors
$26.88avg. 13F price*
At the end of Q2 2026, 63 institutions reported holding GH Research PLC (GHRS) in their 13F filings, up 9 from Q1 2026. 17 opened new positions and 9 sold out. The largest holders were Lynx1 Capital Management LP ($356.5M), BVF Inc. ($232.5M) and Ra Capital Management, L.P. ($205.3M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- GH Research PLC
- CUSIP
- G3855L106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 17 | $106.7M |
| Exits | 9 | $48.1M |
All 13F filers, Q1 2026 → Q2 2026: 8,325,255 shares bought and 4,412,583 shares sold, net +3,912,672 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 63 holders
| Lynx1 Capital Management LP | 41.19% | Add +23.2% | 13,263,288 | $356.5M |
| BVF Inc. | 5.95% | No change | 8,650,158 | $232.5M |
| Ra Capital Management, L.P. | 1.78% | Reduce -0.5% | 7,636,813 | $205.3M |
| FMR LLC | 0.01% | Add +16.4% | 5,977,045 | $160.7M |
| RTW Investments, LP | 1.36% | No change | 5,933,815 | $159.5M |
| Deep Track Capital, LP | 1.32% | New | 3,333,334 | $89.6M |
| Avoro Capital Advisors LLC | 0.43% | No change | 1,800,000 | $48.4M |
| Foresite Capital Management VI LLC | 3.93% | Add +198.1% | 940,493 | $25.3M |
| Jefferies Financial Group Inc. | 0.18% | No change | 712,300 | $19.1M |
| BlackRock, Inc. | 0.00% | Add +5.4% | 480,287 | $12.9M |
| UBS Group AG | 0.00% | Add +15.8% | 477,408 | $12.8M |
| Millennium Management | 0.01% | Reduce -65.5% | 323,399 | $8.7M |
| Braidwell LP | 0.21% | New | 207,240 | $5.6M |
| Boothbay Fund Management, LLC | 0.11% | Reduce -28.6% | 202,103 | $5.4M |
| Jane Street Group, LLC | 0.00% | New | 169,951 | $4.6M |
| HighVista Strategies LLC | 0.97% | Reduce -25.5% | 158,770 | $4.3M |
| Trexquant Investment LP | 0.03% | Add +120.3% | 153,767 | $4.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +231.9% | 148,673 | $4.0M |
| XTX Topco Ltd | 0.03% | Add +67.0% | 86,986 | $2.3M |
| Citadel Advisors | 0.00% | Add +31.3% | 85,952 | $2.3M |
| AdvisorShares Investments LLC | 0.23% | Add +6.3% | 71,267 | $1.9M |
| CenterBook Partners LP | 0.09% | Reduce -67.9% | 69,436 | $1.9M |
| HRT Financial LP | 0.00% | New | 65,375 | $1.8M |
| Morgan Stanley | 0.00% | Add +102.2% | 52,218 | $1.4M |
| Point72 Asset Management | 0.00% | New | 50,882 | $1.4M |
| Marshall Wace, LLP | 0.00% | Reduce -48.8% | 46,697 | $1.3M |
| Qube Research & Technologies Ltd | 0.00% | New | 43,948 | $1.2M |
| Geode Capital Management, LLC | 0.00% | No change | 40,483 | $1.1M |
| Axxion S.A. | 0.07% | — | 36,170 | $972K |
| Tudor Investment Corporation | 0.00% | Add +84.7% | 34,278 | $921K |
| Northern Trust Corp. | 0.00% | Reduce -2.6% | 31,844 | $856K |
| D. E. Shaw & Co. | 0.00% | New | 25,345 | $681K |
| Quadrature Capital Ltd | 0.00% | New | 21,117 | $568K |
| JPMorgan Chase & Co. | 0.00% | Reduce -0.4% | 18,778 | $535K |
| Squarepoint Ops LLC | 0.00% | New | 18,430 | $495K |
| Virtus Investment Advisers, LLC | 0.10% | Reduce -25.9% | 15,492 | $416K |
| Letko, Brosseau & Associates Inc. | 0.01% | New | 15,425 | $415K |
| China Universal Asset Management Co., Ltd. | 0.02% | Reduce -0.7% | 13,419 | $361K |
| HighTower Advisors, LLC | 0.00% | Reduce -18.6% | 12,700 | $341K |
| State Street Corp. | 0.00% | Add +1.0% | 11,163 | $300K |
| Lion Point Capital, LP | 1.31% | No change | 10,200 | $274K |
| Eversept Partners, LP | 0.01% | New | 8,672 | $233K |
| HSBC Holdings PLC | 0.00% | New | 7,847 | $216K |
| Barclays PLC | 0.00% | Add +36.0% | 5,977 | $161K |
| Royal Bank of Canada | 0.00% | Add +126.9% | 5,877 | $158K |
| Osaic Holdings, Inc. | 0.00% | Reduce -2.5% | 5,775 | $155K |
| Simplex Trading, LLC | 0.00% | Add +5609.6% | 4,739 | $127K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -5.2% | 3,068 | $82K |
| North Star Investment Management Corp. | 0.00% | No change | 2,200 | $59K |
| BNP Paribas Financial Markets | 0.00% | Add +29.5% | 1,697 | $46K |
| Citigroup Inc. | 0.00% | Reduce -6.9% | 1,614 | $43K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -5.0% | 1,315 | $35K |
| Wells Fargo & Company | 0.00% | No change | 1,250 | $34K |
| Jones Financial Companies LLLP | 0.00% | New | 775 | $22K |
| Harbour Investments, Inc. | 0.00% | New | 800 | $22K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -22.6% | 515 | $14K |
| SBI Securities Co., Ltd. | 0.00% | Add +1955.0% | 411 | $11K |
| Ancora Advisors LLC | 0.00% | No change | 284 | $8K |
| Hollencrest Capital Management | 0.00% | New | 250 | $7K |
| Federation des caisses Desjardins du Quebec | 0.00% | New | 205 | $6K |
| Farther Finance Advisors, LLC | 0.00% | No change | 100 | $3K |
| Cornerstone Financial Management LLC | 0.00% | No change | 32 | $860 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 19 | $511 |
"% of holder's portfolio" is GHRS's weight in each manager's 13F, not the share of GH Research PLC the manager owns.