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, Q2 2026
Institutional positions in GH Research PLC as of Jun 30, 2026. 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
- 63
- +9 vs. Q1 2026
- Shares held
- 51.5M
- +3.95M (+8.3%) vs. Q1 2026
- Total value
- $1.38B
- +$715.8M (+107.1%) vs. Q1 2026
- New holders
- 18
- 18 more added
- Sold out
- 9
- 16 more reduced
Compare with Q1 2026: 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 | $618.3M |
| Q2 2025 | 38 | $531.2M |
| Q1 2025 | 36 | $470.1M |
| Q4 2024 | 31 | $214.9M |
| Q3 2024 | 28 | $204.2M |
| Q2 2024 | 28 | $354.8M |
| Q1 2024 | 32 | $321.5M |
| Q4 2023 | 35 | $173.6M |
| Q3 2023 | 29 | $291.5M |
| Q2 2023 | 34 | $351.6M |
| Q1 2023 | 29 | $271.4M |
| Q4 2022 | 32 | $299.5M |
| Q3 2022 | 34 | $374.2M |
| Q2 2022 | 35 | $325.0M |
| Q1 2022 | 33 | $589.6M |
| Q4 2021 | 30 | $701.0M |
| Q3 2021 | 30 | $625.2M |
| Q2 2021 | 34 | $593.7M |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding GH Research PLC; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lynx1 Capital Management LP | 13,263,288 | $356.5M | 41.19% | +2,500,000+23.2% | Added |
| BVF Inc | 8,650,158 | $232.5M | 5.95% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 7,636,813 | $205.3M | 1.78% | −39,884−0.5% | Reduced |
| FMR LLC | 5,977,045 | $160.7M | 0.01% | +841,000+16.4% | Added |
| RTW Investments, LP | 5,933,815 | $159.5M | 1.36% | 00.0% | Unchanged |
| Deep Track Capital, LP | 3,333,334 | $89.6M | 1.32% | +3,333,334 | New |
| Avoro Capital Advisors LLC | 1,800,000 | $48.4M | 0.43% | 00.0% | Unchanged |
| Foresite Capital Management VI LLC | 940,493 | $25.3M | 3.93% | +625,001+198.1% | Added |
| Jefferies Financial Group Inc. | 712,300 | $19.1M | 0.18% | 00.0% | Unchanged |
| BlackRock, Inc. | 480,287 | $12.9M | 0.00% | +24,669+5.4% | Added |
| UBS Group AG | 477,408 | $12.8M | 0.00% | +64,992+15.8% | Added |
| Millennium Management LLC | 323,399 | $8.69M | 0.01% | −614,499−65.5% | Reduced |
| Braidwell LP | 207,240 | $5.57M | 0.21% | +207,240 | New |
| Boothbay Fund Management, LLC | 202,103 | $5.43M | 0.10% | −80,788−28.6% | Reduced |
| Jane Street Group, LLC | 169,951 | $4.57M | 0.00% | +169,951 | New |
| HighVista Strategies LLC | 158,770 | $4.27M | 0.97% | −54,442−25.5% | Reduced |
| Trexquant Investment LP | 153,767 | $4.13M | 0.03% | +83,959+120.3% | Added |
| Goldman Sachs Group Inc | 148,673 | $4.00M | 0.00% | +103,878+231.9% | Added |
| XTX Topco Ltd | 86,986 | $2.34M | 0.03% | +34,896+67.0% | Added |
| Citadel Advisors LLC | 85,952 | $2.31M | 0.00% | +20,488+31.3% | Added |
| AdvisorShares Investments LLC | 71,267 | $1.92M | 0.23% | +4,233+6.3% | Added |
| CenterBook Partners LP | 69,436 | $1.87M | 0.09% | −147,138−67.9% | Reduced |
| HRT Financial LP | 65,375 | $1.76M | 0.00% | +65,375 | New |
| Morgan Stanley | 52,218 | $1.40M | 0.00% | +26,388+102.2% | Added |
| Point72 Asset Management, L.P. | 50,882 | $1.37M | 0.00% | +50,882 | New |
| Marshall Wace, LLP | 46,697 | $1.26M | 0.00% | −44,411−48.7% | Reduced |
| Qube Research & Technologies Ltd | 43,948 | $1.18M | 0.00% | +43,948 | New |
| Geode Capital Management, LLC | 40,483 | $1.09M | 0.00% | 00.0% | Unchanged |
| Axxion S.A. | 36,170 | $972.3K | 0.07% | +36,170 | New |
| Tudor Investment Corp Et Al | 34,278 | $921.4K | 0.00% | +15,718+84.7% | Added |
| Northern Trust Corp | 31,844 | $856.0K | 0.00% | −841−2.6% | Reduced |
| D. E. Shaw & Co., Inc. | 25,345 | $681.3K | 0.00% | +25,345 | New |
| Quadrature Capital Ltd | 21,117 | $567.6K | 0.00% | +21,117 | New |
| JPMorgan Chase & Co | 18,778 | $535.0K | 0.00% | −75−0.4% | Reduced |
| Squarepoint Ops LLC | 18,430 | $495.4K | 0.00% | +18,430 | New |
| Virtus Investment Advisers, Inc. | 15,492 | $416.4K | 0.10% | −5,428−25.9% | Reduced |
| Letko, Brosseau & Associates Inc | 15,425 | $414.6K | 0.01% | +15,425 | New |
| China Universal Asset Management Co., Ltd. | 13,419 | $360.7K | 0.02% | −88−0.7% | Reduced |
| HighTower Advisors, LLC | 12,700 | $341.4K | 0.00% | −2,900−18.6% | Reduced |
| State Street Corp | 11,163 | $300.1K | 0.00% | +114+1.0% | Added |
| Lion Point Capital, LP | 10,200 | $274.2K | 1.31% | 00.0% | Unchanged |
| Eversept Partners, LP | 8,672 | $233.1K | 0.01% | +8,672 | New |
| HSBC Holdings PLC | 7,847 | $216.4K | 0.00% | +7,847 | New |
| Barclays PLC | 5,977 | $160.7K | 0.00% | +1,583+36.0% | Added |
| Royal Bank of Canada | 5,877 | $158.0K | 0.00% | +3,287+126.9% | Added |
| Advisor Group Holdings, Inc. | 5,775 | $155.2K | 0.00% | −150−2.5% | Reduced |
| Simplex Trading, LLC | 4,739 | $127.4K | 0.00% | +4,656+5,609.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,068 | $82.5K | 0.00% | −167−5.2% | Reduced |
| North Star Investment Management Corp. | 2,200 | $59.1K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,697 | $45.6K | 0.00% | +387+29.5% | Added |
| Citigroup Inc | 1,614 | $43.4K | 0.00% | −119−6.9% | Reduced |
| GF Fund Management Co. Ltd. | 1,315 | $35.3K | 0.00% | −69−5.0% | Reduced |
| Wells Fargo & Company | 1,250 | $33.6K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 775 | $21.9K | 0.00% | +775 | New |
| Harbour Investments, Inc. | 800 | $21.5K | 0.00% | +800 | New |
| Tower Research Capital LLC (TRC) | 515 | $13.8K | 0.00% | −150−22.6% | Reduced |
| SBI Securities Co., Ltd. | 411 | $11.0K | 0.00% | +391+1,955.0% | Added |
| Ancora Advisors, LLC | 284 | $7.63K | 0.00% | 00.0% | Unchanged |
| Hollencrest Capital Management | 250 | $6.72K | 0.00% | +250 | New |
| Federation des caisses Desjardins du Quebec | 205 | $5.51K | 0.00% | +205 | New |
| Farther Finance Advisors, LLC | 100 | $2.69K | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 32 | $860 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 19 | $511 | 0.00% | +19 | New |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −1,397,873−100.0% | Sold out |
| Troluce Capital Advisors LLC | 0 | $0 | 0.00% | −990,472−100.0% | Sold out |
| 5AM Venture Management, LLC | 0 | $0 | 0.00% | −572,665−100.0% | Sold out |
| Squadron Capital Management LLC | 0 | $0 | 0.00% | −325,000−100.0% | Sold out |
| Occam Crest Management LP | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Diadema Partners LP | 0 | $0 | 0.00% | −26,836−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −20,614−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −6,794−100.0% | Sold out |
| Archetype Wealth Partners | 0 | $0 | 0.00% | −1,180−100.0% | Sold out |