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, Q1 2026
Institutional positions in GH Research PLC as of Mar 31, 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
- 54
- +2 vs. Q4 2025
- Shares held
- 47.6M
- +987.2K (+2.1%) vs. Q4 2025
- Total value
- $668.5M
- +$77.2M (+13.1%) vs. Q4 2025
- New holders
- 12
- 19 more added
- Sold out
- 10
- 13 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding GH Research PLC; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 20 | $281 | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 32 | $450 | 0.00% | +32 | New |
| Simplex Trading, LLC | 83 | $1.17K | 0.00% | +35+72.9% | Added |
| Farther Finance Advisors, LLC | 100 | $1.47K | 0.00% | +100 | New |
| Ancora Advisors, LLC | 284 | $3.99K | 0.00% | +284 | New |
| Tower Research Capital LLC (TRC) | 665 | $9.35K | 0.00% | −105−13.6% | Reduced |
| Archetype Wealth Partners | 1,180 | $17.0K | 0.00% | +1,180 | New |
| Wells Fargo & Company | 1,250 | $17.6K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,310 | $18.4K | 0.00% | −27−2.0% | Reduced |
| GF Fund Management Co. Ltd. | 1,384 | $19.5K | 0.00% | +166+13.6% | Added |
| Citigroup Inc | 1,733 | $24.4K | 0.00% | −2,671−60.6% | Reduced |
| North Star Investment Management Corp. | 2,200 | $30.9K | 0.00% | +2,200 | New |
| Royal Bank of Canada | 2,590 | $36.0K | 0.00% | +780+43.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,235 | $45.5K | 0.00% | +221+7.3% | Added |
| Barclays PLC | 4,394 | $61.8K | 0.00% | +2,276+107.5% | Added |
| Advisor Group Holdings, Inc. | 5,925 | $83.3K | 0.00% | −4,100−40.9% | Reduced |
| Persistent Asset Partners Ltd | 6,794 | $95.5K | 0.04% | +6,794 | New |
| Lion Point Capital, LP | 10,200 | $143.4K | 0.86% | 00.0% | Unchanged |
| State Street Corp | 11,049 | $155.3K | 0.00% | +228+2.1% | Added |
| China Universal Asset Management Co., Ltd. | 13,507 | $189.9K | 0.01% | +3,400+33.6% | Added |
| HighTower Advisors, LLC | 15,600 | $219.3K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 18,853 | $245.7K | 0.00% | −28−0.1% | Reduced |
| Tudor Investment Corp Et Al | 18,560 | $261.0K | 0.00% | +18,560 | New |
| Renaissance Technologies LLC | 20,614 | $289.8K | 0.00% | +20,614 | New |
| Virtus Investment Advisers, Inc. | 20,920 | $294.1K | 0.08% | +512+2.5% | Added |
| Morgan Stanley | 25,830 | $363.2K | 0.00% | −25,574−49.8% | Reduced |
| Diadema Partners LP | 26,836 | $377.3K | 0.16% | +26,836 | New |
| Northern Trust Corp | 32,685 | $459.6K | 0.00% | −143−0.4% | Reduced |
| Geode Capital Management, LLC | 40,483 | $569.2K | 0.00% | +4,838+13.6% | Added |
| Goldman Sachs Group Inc | 44,795 | $629.8K | 0.00% | −36,191−44.7% | Reduced |
| XTX Topco Ltd | 52,090 | $732.4K | 0.01% | +7,644+17.2% | Added |
| Citadel Advisors LLC | 65,464 | $920.4K | 0.00% | +39,206+149.3% | Added |
| AdvisorShares Investments LLC | 67,034 | $942.5K | 0.17% | −78−0.1% | Reduced |
| Trexquant Investment LP | 69,808 | $981.5K | 0.01% | +15,032+27.4% | Added |
| Occam Crest Management LP | 80,000 | $1.12M | 0.71% | +80,000 | New |
| Marshall Wace, LLP | 91,108 | $1.28M | 0.00% | −149,656−62.2% | Reduced |
| HighVista Strategies LLC | 213,212 | $3.00M | 0.83% | −27,312−11.4% | Reduced |
| CenterBook Partners LP | 216,574 | $3.05M | 0.16% | −66,867−23.6% | Reduced |
| Boothbay Fund Management, LLC | 282,891 | $3.98M | 0.09% | +170,707+152.2% | Added |
| Foresite Capital Management VI LLC | 315,492 | $4.44M | 0.96% | +315,492 | New |
| Squadron Capital Management LLC | 325,000 | $4.57M | 1.83% | +10,000+3.2% | Added |
| UBS Group AG | 412,416 | $5.80M | 0.00% | +49,035+13.5% | Added |
| BlackRock, Inc. | 455,618 | $6.41M | 0.00% | +21,217+4.9% | Added |
| 5AM Venture Management, LLC | 572,665 | $8.05M | 2.24% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 712,300 | $10.0M | 0.12% | 00.0% | Unchanged |
| Millennium Management LLC | 937,898 | $13.2M | 0.01% | +641,972+216.9% | Added |
| Troluce Capital Advisors LLC | 990,472 | $13.9M | 1.47% | +617,260+165.4% | Added |
| Toronto Dominion Bank | 1,397,873 | $19.7M | 0.04% | +1,397,873 | New |
| Avoro Capital Advisors LLC | 1,800,000 | $25.3M | 0.25% | 00.0% | Unchanged |
| FMR LLC | 5,136,045 | $72.2M | 0.00% | 00.0% | Unchanged |
| RTW Investments, LP | 5,933,815 | $83.4M | 0.83% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 7,676,697 | $107.9M | 1.14% | 00.0% | Unchanged |
| BVF Inc | 8,650,158 | $121.6M | 3.87% | −177,554−2.0% | Reduced |
| Lynx1 Capital Management LP | 10,763,288 | $151.3M | 23.92% | +356,713+3.4% | Added |
| Cormorant Asset Management, LP | 0 | $0 | 0.00% | −1,300,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −673,735−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −204,975−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −50,005−100.0% | Sold out |
| BIT Capital GmbH | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −18,565−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −15,936−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −15,877−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −4,450−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −207−100.0% | Sold out |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |