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.
Q1 2026 vs. Q4 2025
How the institutions holding GH Research PLC changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 53 | 1 | 54 | +2 |
| Shares | 46.6M | 400 | 47.6M | +987.2K (+2.1%) |
| Value | $591.4M | $5.08K | $668.5M | +$77.2M (+13.1%) |
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (12)
Institutions that held GH Research PLC at the end of Q1 2026 but not at the end of Q4 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Toronto Dominion Bank | 1,397,873 | $19.7M | 0.04% |
| Foresite Capital Management VI LLC | 315,492 | $4.44M | 0.96% |
| Occam Crest Management LP | 80,000 | $1.12M | 0.71% |
| Diadema Partners LP | 26,836 | $377.3K | 0.16% |
| Renaissance Technologies LLC | 20,614 | $289.8K | 0.00% |
| Tudor Investment Corp Et Al | 18,560 | $261.0K | 0.00% |
| Persistent Asset Partners Ltd | 6,794 | $95.5K | 0.04% |
| North Star Investment Management Corp. | 2,200 | $30.9K | 0.00% |
| Archetype Wealth Partners | 1,180 | $17.0K | 0.00% |
| Ancora Advisors, LLC | 284 | $3.99K | 0.00% |
| Farther Finance Advisors, LLC | 100 | $1.47K | 0.00% |
| Cornerstone Financial Management LLC | 32 | $450 | 0.00% |
Sold out (10)
Institutions that held GH Research PLC at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Cormorant Asset Management, LP | 1,300,000 | $16.5M |
| Verition Fund Management LLC | 673,735 | $8.56M |
| Alyeska Investment Group, L.P. | 204,975 | $2.60M |
| Jane Street Group, LLC | 50,005 | $635.1K |
| BIT Capital GmbH | 50,000 | $635.0K |
| Gsa Capital Partners LLP | 18,565 | $236.0K |
| HRT Financial LP | 15,936 | $202.0K |
| Susquehanna International Group, LLP | 15,877 | $201.6K |
| Bank of America Corp | 4,450 | $56.5K |
| Daiwa Securities Group Inc. | 207 | $3.00K |
Not filed for Q1 2026 yet (1)
Institutions that held GH Research PLC at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Global Retirement Partners, LLC | 400 | $5.08K |