GH Research PLC - GHRS

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 2 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Lynx1 Capital Management LP History Added to 10,406,575 132,163 26.75% 21.23% 1 +1,805,386 20.99% Q4 2025 Feb 17, 2026
BVF INC/IL History No change 8,827,712 112,111 3.77% 5.12% 2 0 0.0% Q4 2025 Feb 17, 2026
RA CAPITAL MANAGEMENT, L.P. History No change 7,676,697 97,494 1.0% 1.35% 3 0 0.0% Q4 2025 Feb 17, 2026
RTW INVESTMENTS, LP History New 5,933,815 75,359 0.75% 4 +5,933,815 New Q4 2025 Feb 17, 2026
FMR LLC History Reduced 5,136,045 65,227 0.0% 0.0% 5 -191,000 -3.59% Q4 2025 Feb 17, 2026
Avoro Capital Advisors LLC History New 1,800,000 22,860 0.22% 6 +1,800,000 New Q4 2025 Mar 13, 2026
Cormorant Asset Management, LP History Reduced 1,300,000 16,510 0.76% 1.89% 7 -616,439 -32.17% Q4 2025 Feb 17, 2026
Jefferies Financial Group Inc. History Added to 712,300 9,046 0.05% 0.05% 8 +2,988 0.42% Q4 2025 Feb 09, 2026
Verition Fund Management LLC History Reduced 673,735 8,556 0.03% 0.04% 9 -4,754 -0.7% Q4 2025 Feb 13, 2026
5AM Venture Management, LLC History No change 572,665 7,272 2.29% 3.0% 10 0 0.0% Q4 2025 Feb 17, 2026
BlackRock, Inc. History Added to 434,401 5,516 0.0% 0.0% 11 +376,542 650.79% Q4 2025 Feb 12, 2026
Troluce Capital Advisors LLC History Added to 373,212 4,739 3.01% 0.09% 12 +326,490 698.79% Q4 2025 Feb 17, 2026
UBS Group AG History Reduced 363,381 4,614 0.0% 0.0% 13 -148,083 -28.95% Q4 2025 Jan 29, 2026
Squadron Capital Management LLC History New 315,000 4,000 1.7% 14 +315,000 New Q4 2025 Feb 17, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 295,926 3,758 0.0% 0.01% 15 -567,676 -65.73% Q4 2025 Feb 17, 2026
CenterBook Partners LP History Added to 283,441 3,599 0.18% 0.12% 16 +117,288 70.59% Q4 2025 Feb 11, 2026
MARSHALL WACE, LLP History Added to 240,764 3,057 0.0% 0.0% 17 +71,264 42.04% Q4 2025 Feb 13, 2026
HighVista Strategies LLC History Reduced 240,524 3,054 0.79% 0.85% 18 -1,370 -0.57% Q4 2025 Feb 17, 2026
Alyeska Investment Group, L.P. History No change 204,975 2,603 0.01% 0.01% 19 0 0.0% Q4 2025 Feb 13, 2026
BOOTHBAY FUND MANAGEMENT, LLC History Added to 112,184 1,424 0.02% 0.02% 20 +28,634 34.27% Q4 2025 Feb 17, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 102,277 1,298 0.0% 0.0% 21 +75,777 285.95% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History Added to 80,986 1,028 0.0% 0.0% 22 +69,911 631.25% Q4 2025 Mar 25, 2026
JANE STREET GROUP, LLC History Added to 71,805 911 0.0% 0.0% 23 +48,801 212.14% Q4 2025 Feb 12, 2026
AdvisorShares Investments LLC History Added to 67,112 852 0.14% 0.13% 24 +13,121 24.3% Q4 2025 Feb 10, 2026
Trexquant Investment LP History New 54,776 695 0.01% 25 +54,776 New Q4 2025 Feb 17, 2026
MORGAN STANLEY History Added to 51,404 652 0.0% 0.0% 26 +47,162 1111.79% Q4 2025 Feb 13, 2026
BIT Capital GmbH History New 50,000 635 0.02% 27 +50,000 New Q4 2025 Feb 11, 2026
XTX Topco Ltd History New 44,446 564 0.01% 28 +44,446 New Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History Reduced 38,558 489 0.0% 0.0% 29 -55,844 -59.16% Q4 2025 Feb 17, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 35,645 452 0.0% 0.0% 30 0 0.0% Q4 2025 Feb 09, 2026
NORTHERN TRUST CORP History Reduced 32,828 416 0.0% 0.0% 31 -145 -0.44% Q4 2025 Feb 17, 2026
Virtus Investment Advisers, LLC History Added to 20,408 259 0.07% 0.04% 32 +11,539 130.1% Q4 2025 Feb 17, 2026
JPMORGAN CHASE & CO History Added to 18,881 239 0.0% 0.0% 33 +4,981 35.83% Q4 2025 Feb 11, 2026
GSA CAPITAL PARTNERS LLP History New 18,565 236 0.02% 34 +18,565 New Q4 2025 Feb 06, 2026
HRT FINANCIAL LP History New 15,936 202 0.0% 35 +15,936 New Q4 2025 Feb 12, 2026
HighTower Advisors, LLC History Reduced 15,600 198 0.0% 0.0% 36 -500 -3.11% Q4 2025 Feb 06, 2026
STATE STREET CORP History Reduced 10,821 137 0.0% 0.0% 37 -171 -1.56% Q4 2025 Feb 13, 2026
Lion Point Capital, LP History New 10,200 129 0.67% 38 +10,200 New Q4 2025 Feb 17, 2026
China Universal Asset Management Co., Ltd. History New 10,107 128 0.01% 39 +10,107 New Q4 2025 Jan 29, 2026
OSAIC HOLDINGS, INC. History Reduced 10,025 127 0.0% 0.0% 40 -100 -0.99% Q4 2025 Feb 17, 2026
BANK OF AMERICA CORP /DE/ History Added to 4,450 56 0.0% 0.0% 41 +4,175 1518.18% Q4 2025 Feb 17, 2026
CITIGROUP INC History Added to 4,404 55 0.0% 42 +4,373 14106.45% Q4 2025 Feb 13, 2026
Mirae Asset Global Investments Co., Ltd. History New 3,014 38 0.0% 43 +3,014 New Q4 2025 Jan 26, 2026
BARCLAYS PLC History Added to 2,118 26 0.0% 0.0% 44 +822 63.43% Q4 2025 Feb 13, 2026
ROYAL BANK OF CANADA History New 1,810 23 0.0% 45 +1,810 New Q4 2025 Feb 17, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 1,337 16 0.0% 0.0% 46 -4,865 -78.44% Q4 2025 Feb 10, 2026
GF FUND MANAGEMENT CO. LTD. History New 1,218 15 0.0% 48 +1,218 New Q4 2025 Jan 27, 2026
WELLS FARGO & COMPANY/MN History No change 1,250 15 0.0% 0.0% 47 0 0.0% Q4 2025 Feb 13, 2026
Tower Research Capital LLC (TRC) History New 770 9 0.0% 49 +770 New Q4 2025 Feb 17, 2026
Global Retirement Partners, LLC History Reduced 400 5 0.0% 0.0% 50 -400 -50.0% Q4 2025 Feb 06, 2026
SIMPLEX TRADING, LLC History Reduced 348 4 0.0% 0.0% 51 -18,561 -98.16% Q4 2025 Feb 11, 2026
Daiwa Securities Group Inc. History New 207 3 0.0% 52 +207 New Q4 2025 Feb 11, 2026
GROUP ONE TRADING LLC History Reduced 100 1 0.0% 0.0% 53 -700 -87.5% Q4 2025 Feb 12, 2026
Deep Track Capital, LP History Closed out 0 0 0.5% -1,250,000 -100.0% Q3 2025 Nov 14, 2025
STEMPOINT CAPITAL LP History Closed out 0 0 1.56% -545,275 -100.0% Q3 2025 Nov 14, 2025
Point72 Asset Management, L.P. History Closed out 0 0 0.0% -76,958 -100.0% Q3 2025 Nov 14, 2025
Squarepoint Ops LLC History Closed out 0 0 0.0% -36,103 -100.0% Q3 2025 Nov 14, 2025
TANG CAPITAL MANAGEMENT LLC History Closed out 0 0 0.01% -24,030 -100.0% Q3 2025 Nov 14, 2025
Man Group plc History Closed out 0 0 0.0% -22,060 -100.0% Q3 2025 Nov 14, 2025
Farther Finance Advisors, LLC History Closed out 0 0 0.0% -200 -100.0% Q3 2025 Oct 14, 2025
SBI Securities Co., Ltd. History New 20 0 +20 New Q4 2025 Feb 03, 2026