GH RESEARCH PLC GHRS
ORDINARY SHARES · Common Stock · CUSIP G3855L106
- SectorHealth care
- IndustryPharmaceutical Preparations
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $11.87.
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 34 |
| Q4 2022 | 33 |
| Q1 2023 | 30 |
| Q2 2023 | 35 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 11 | 11 |
| Q1 2023 | 10 | 13 |
| Q2 2023 | 13 | 8 |
Biggest buyers
| Lynx1 Capital Management LP | New | +969.4k |
| 5AM Venture Management, LLC | New | +152.0k |
| RENAISSANCE TECHNOLOGIES LLC | Added | +14.7k |
| Corton Capital Inc. | New | +12.1k |
| BANK OF MONTREAL /CAN/ | New | +10.6k |
| BlackRock Inc. | Added | +9.8k |
| RA CAPITAL MANAGEMENT, L.P. | Added | +6.2k |
| PEAK6 Investments LLC | Added | +2.4k |
| LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA | New | +2.0k |
| MORGAN STANLEY | Added | +1.9k |
Biggest sellers
| FMR LLC | Reduced | -4.4m |
| ORBIMED ADVISORS LLC | Reduced | -922.7k |
| Verition Fund Management LLC | Reduced | -144.5k |
| Mirae Asset Global Investments Co., Ltd. | Reduced | -18.0k |
| Tower Research Capital LLC (TRC) | Reduced | -4.0k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -2.3k |
| AdvisorShares Investments LLC | Reduced | -1.2k |
| STATE STREET CORP | Reduced | -192 |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Lynx1 Capital Management LP 13G · passive investor +1.9 pts · filed 2026-08-14 | 19.3% |
| BIOTECHNOLOGY VALUE FUND L P 13G · exempt (held before listing) filed 2025-05-15 | 14.2% |
| RTW INVESTMENTS, LP 13G · institution filed 2025-05-15 | 8.9% |
| FMR LLC 13G · institution +1.3 pts · filed 2025-08-06 | 8.2% |
| RA CAPITAL MANAGEMENT, L.P. 13G · passive investor -5.3 pts · filed 2026-08-14 | 7.1% |
Fell to 5% or below in the last year: Terwey Theis H (2.9%, 2025-11-14)
Insider purchases and sales in Q2 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported in Q2 2023.
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| BVF INC/IL 3.07% of their portfolio | 9.3m $110.0m | Unchanged |
| RA CAPITAL MANAGEMENT, L.P. 1.25% of their portfolio | 5.6m $66.3m | Added +6.2k |
| FMR LLC 0.00% of their portfolio | 4.1m $49.0m | Reduced -4.4m |
| Venrock Adviser, LLC 6.67% of their portfolio | 3.5m $41.7m | Unchanged |
| RTW INVESTMENTS, LP 0.49% of their portfolio | 2.2m $25.7m | Unchanged |
| Lynx1 Capital Management LP 7.54% of their portfolio | 969.4k $11.5m | New |
| Verition Fund Management LLC 0.15% of their portfolio | 796.2k $9.4m | Reduced -144.5k |
| ORBIMED ADVISORS LLC 0.16% of their portfolio | 736.3k $8.7m | Reduced -922.7k |
| Cormorant Asset Management, LP 0.40% of their portfolio | 593.0k $7.0m | Unchanged |
| Deep Track Capital, LP 0.28% of their portfolio | 499.4k $5.9m | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 393.7k $4.7m | Added +1.9k |
| ACUTA CAPITAL PARTNERS, LLC 1.97% of their portfolio | 244.8k $2.9m | Added +1.6k |
| 5AM Venture Management, LLC 0.45% of their portfolio | 152.0k $1.8m | New |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 144.6k $1.7m | Added +13 |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 79.9k $947.7k | Reduced -18.0k |
| Laurion Capital Management LP 0.03% of their portfolio | 64.9k $770.4k | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 50.0k $593.6k | Added +209 |
| AdvisorShares Investments LLC 0.15% of their portfolio | 45.1k $535.5k | Reduced -1.2k |
| BARCLAYS PLC 0.00% of their portfolio | 32.1k $380.7k | Unchanged |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 26.4k $313.2k | Reduced -2.3k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 25.5k $303.0k | Added +14.7k |
| PURA VIDA INVESTMENTS, LLC 0.12% of their portfolio | 25.0k $296.6k | Unchanged |
| PEAK6 Investments LLC 0.02% of their portfolio | 23.3k $276.7k | Added +2.4k |
| BlackRock Inc. 0.00% of their portfolio | 14.8k $175.8k | Added +9.8k |
| Corton Capital Inc. 0.07% of their portfolio | 12.1k $144.0k | New |
| STATE STREET CORP 0.00% of their portfolio | 10.7k $127.0k | Reduced -192 |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 10.6k $133.3k | New |
| Tortoise Investment Management, LLC 0.01% of their portfolio | 3.1k $36.6k | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 2.8k $32.9k | Unchanged |
| LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA 0.00% of their portfolio | 2.0k $23.7k | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 1.0k $12.0k | Unchanged |
| Global Retirement Partners, LLC 0.00% of their portfolio | 220 $2.6k | Unchanged |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 100 $1.2k | Unchanged |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 61 $724 | Reduced -4.0k |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio | 0 $0 | Unchanged |