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 2025
Institutional positions in GH Research PLC as of Jun 30, 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
- 38
- +2 vs. Q1 2025
- Shares held
- 43.6M
- +934.8K (+2.2%) vs. Q1 2025
- Total value
- $530.9M
- +$60.8M (+12.9%) vs. Q1 2025
- New holders
- 7
- 14 more added
- Sold out
- 5
- 10 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding GH Research PLC; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BVF Inc | 8,827,712 | $107.6M | 3.84% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 7,676,697 | $93.6M | 1.58% | +732,049+10.5% | Added |
| Lynx1 Capital Management LP | 6,746,951 | $82.2M | 23.76% | +303,011+4.7% | Added |
| RTW Investments, LP | 5,540,457 | $67.5M | 0.96% | +40,688+0.7% | Added |
| FMR LLC | 5,092,145 | $62.1M | 0.00% | +842,565+19.8% | Added |
| Cormorant Asset Management, LP | 2,009,482 | $24.5M | 1.82% | 00.0% | Unchanged |
| Deep Track Capital, LP | 2,000,000 | $24.4M | 0.78% | 00.0% | Unchanged |
| Toronto Dominion Bank | 1,967,293 | $24.0M | 0.05% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 709,312 | $8.65M | 0.14% | −40,688−5.4% | Reduced |
| Verition Fund Management LLC | 657,381 | $8.01M | 0.05% | −13,224−2.0% | Reduced |
| 5AM Venture Management, LLC | 572,665 | $6.98M | 2.68% | 00.0% | Unchanged |
| UBS Group AG | 458,582 | $5.59M | 0.00% | +10,648+2.4% | Added |
| Morgan Stanley | 281,002 | $3.43M | 0.00% | +3,751+1.4% | Added |
| Alyeska Investment Group, L.P. | 254,975 | $3.11M | 0.01% | −200,000−44.0% | Reduced |
| Millennium Management LLC | 203,645 | $2.48M | 0.00% | +203,645 | New |
| StemPoint Capital LP | 100,826 | $1.23M | 0.40% | +100,826 | New |
| Troluce Capital Advisors LLC | 85,791 | $1.05M | 0.53% | −69,806−44.9% | Reduced |
| BlackRock, Inc. | 64,745 | $789.2K | 0.00% | +20,774+47.2% | Added |
| HighVista Strategies LLC | 52,247 | $636.9K | 0.23% | +52,247 | New |
| Northern Trust Corp | 38,977 | $475.1K | 0.00% | −354−0.9% | Reduced |
| AdvisorShares Investments LLC | 38,256 | $466.3K | 0.08% | +5,000+15.0% | Added |
| Geode Capital Management, LLC | 34,633 | $422.2K | 0.00% | −32,582−48.5% | Reduced |
| HighTower Advisors, LLC | 22,300 | $271.8K | 0.00% | +22,300 | New |
| Palumbo Wealth Management LLC | 21,651 | $263.9K | 0.08% | +8,782+68.2% | Added |
| Quadrature Capital Ltd | 20,108 | $245.5K | 0.00% | −11,517−36.4% | Reduced |
| PEAK6 LLC | 20,000 | $243.8K | 0.01% | −44,213−68.9% | Reduced |
| BNP Paribas Arbitrage, SA | 17,010 | $207.4K | 0.00% | +10,600+165.4% | Added |
| Boothbay Fund Management, LLC | 13,833 | $168.6K | 0.01% | −16,081−53.8% | Reduced |
| Virtus Investment Advisers, Inc. | 7,329 | $89.3K | 0.03% | +7,329 | New |
| JPMorgan Chase & Co | 6,500 | $79.2K | 0.00% | +6,500 | New |
| Advisor Group Holdings, Inc. | 6,175 | $75.3K | 0.00% | +2,400+63.6% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 2,000 | $24.4K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,862 | $23.0K | 0.00% | +762+69.3% | Added |
| Wells Fargo & Company | 1,250 | $15.2K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 223 | $2.72K | 0.00% | +70+45.8% | Added |
| Global Retirement Partners, LLC | 110 | $1.34K | 0.00% | +110 | New |
| Group One Trading, L.P. | 80 | $975 | 0.00% | −91−53.2% | Reduced |
| Simplex Trading, LLC | 25 | $0 | 0.00% | +8+47.1% | Added |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −925,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −52,940−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −15,586−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −15,354−100.0% | Sold out |
| Tortoise Investment Management, LLC | 0 | $0 | 0.00% | −1,781−100.0% | Sold out |