GHRS · Company research
GH Research PLC Ordinary Shares (GHRS): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Axxion S.A. | 2030181 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 36170 | 972250 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4739 | 127384 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Deep Track Capital, LP | 1856083 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3333334 | 89600018 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JONES FINANCIAL COMPANIES LLLP | 815917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 775 | 21871 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40483 | 1088183 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4725 | 127008 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5775 | 155232 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Lynx1 Capital Management LP | 1910456 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13263288 | 356517181 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| AdvisorShares Investments LLC | 1425930 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 71267 | 1915657 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 65375 | 1757 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RA CAPITAL MANAGEMENT, L.P. | 1346824 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7636813 | 205277533 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Cornerstone Financial Management LLC | 2110329 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32 | 860 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| HSBC HOLDINGS PLC | 873630 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7847 | 216420 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 411 | 11048 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 93787 | 2520995 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 515 | 13843 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| HighVista Strategies LLC | 1335325 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 158770 | 4267737 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 323399 | 8692965 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Ancora Advisors LLC | 1446114 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 284 | 7634 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Federation des caisses Desjardins du Quebec | 2022297 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 205 | 5510 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BVF INC/IL | 1056807 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8650158 | 232516247 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| China Universal Asset Management Co., Ltd. | 1906594 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13419 | 360703 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Jefferies Financial Group Inc. | 96223 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 712300 | 19146624 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| FMR LLC | 315066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3024749 | 81305253 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Virtus Investment Advisers, LLC | 19481 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15492 | 416425 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5800 | 156000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Eversept Partners, LP | 1697013 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8672 | 233103 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Quadrature Capital Ltd | 1651424 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21117 | 567625 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Squarepoint Ops LLC | 1642575 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18430 | 495398 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HOLLENCREST CAPITAL MANAGEMENT | 1161722 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 250 | 6720 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Lion Point Capital, LP | 1643354 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10200 | 274176 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25345 | 681274 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MARSHALL WACE, LLP | 1318757 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27526 | 739899 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13400 | 360192 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 402427 | 10817238 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19 | 511 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5977 | 160661 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NORTHERN TRUST CORP | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20286 | 545288 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| HARBOUR INVESTMENTS, INC. | 810121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 800 | 21504 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1250 | 33600 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11163 | 300061 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Point72 Asset Management, L.P. | 1603466 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50882 | 1367708 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 86986 | 2338184 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GF FUND MANAGEMENT CO. LTD. | 2057060 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1315 | 35347 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| HighTower Advisors, LLC | 1462245 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12700 | 341376 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| CenterBook Partners LP | 1872738 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 69436 | 1866440 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Farther Finance Advisors, LLC | 1992825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100 | 2688 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1614 | 43384 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100 | 2688 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Qube Research & Technologies Ltd | 1729829 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 43948 | 1181322 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Trexquant Investment LP | 1633445 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 153767 | 4133257 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RTW INVESTMENTS, LP | 1493215 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5933815 | 159500947 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LETKO, BROSSEAU & ASSOCIATES INC | 1297496 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15425 | 414624 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Mirae Asset Global Investments Co., Ltd. | 1569395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3068 | 82468 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| Avoro Capital Advisors LLC | 1633313 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1800000 | 48384000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11163 | 300061000 | — | — | — | Sep 22, 2026 | SEC_13F_HR |
| Goldman Sachs Group Inc. | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 148673 | 3996330000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11558 | 310679000 | — | — | — | Aug 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24419 | 656383000 | — | — | — | Aug 7, 2026 | SEC_13F_HR |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6394 | 171867 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Citigroup Inc. | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1614 | 43384000 | — | — | — | Aug 3, 2026 | SEC_13F_HR |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13575 | 386752 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| BRAIDWELL LP | 1920938 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 207240 | 5570611 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 477408 | 12832727 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Foresite Capital Management VI LLC | 2013341 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 940493 | 25280452 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 148673 | 3996330 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1697 | 45615 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 79729 | 2143116 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 202103 | 5432529 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| North Star Investment Management Corp. | 1342857 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2200 | 59136 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| TUDOR INVESTMENT CORP ET AL | 923093 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 34278 | 921393 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1250 | 17575 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| Cornerstone Financial Management LLC | 2110329 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32 | 450 | — | — | — | Aug 28, 2026 | SEC_13F_DATASET |
| Toronto Dominion Bank | 947263 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1397873 | 19654094000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| Mirae Asset Global Investments Co., Ltd. | 1569395 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3235 | 45484 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Goldman Sachs Group Inc. | 886982 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44795 | 629818000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11558 | 162505000 | — | — | — | May 14, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11049 | 155349000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27347 | 384499000 | — | — | — | May 13, 2026 | SEC_13F_HR |
| Citigroup Inc. | 831001 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1733 | 24366000 | — | — | — | May 11, 2026 | SEC_13F_HR |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.