GH Research PLC (GHRS) Institutional Ownership Changes & 13F Activity

GH Research PLC (GHRS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Deep Track Capital, Lp, Lynx1 Capital Management Lp, Fmr Llc, Foresite Capital Management Vi Llc, and Millennium Management Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcBuy+20,488+31.3%85,952$2.31MQ2 2026Sep 02, 2026
Deep Track Capital, LpBuy+3,333,3343,333,334$89.60MQ2 2026Aug 14, 2026
Foresite Capital Management Vi LlcBuy+625,001+198.1%940,493$25.28MQ2 2026Aug 14, 2026
Millennium Management LlcSell-614,499-65.5%323,399$8.69MQ2 2026Aug 14, 2026
Braidwell LpBuy+207,240207,240$5.57MQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+169,951169,951$4.57MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+103,878+231.9%148,673$4.00MQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+83,959+120.3%153,767$4.13MQ2 2026Aug 14, 2026
Boothbay Fund Management, LlcSell-80,788-28.6%202,103$5.43MQ2 2026Aug 14, 2026
Hrt Financial LpBuy+65,37565,375$1.76MQ2 2026Aug 14, 2026
Highvista Strategies LlcSell-54,442-25.5%158,770$4.27MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+50,88250,882$1.37MQ2 2026Aug 14, 2026
Qube Research & Technologies LtdBuy+43,94843,948$1.18MQ2 2026Aug 14, 2026
Ra Capital Management, L.P.Sell-39,884-0.5%7,636,813$205.28MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+34,896+67.0%86,986$2.34MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+25,34525,345$681.27KQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+18,43018,430$495.40KQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlBuy+15,718+84.7%34,278$921.39KQ2 2026Aug 14, 2026
Eversept Partners, LpBuy+8,6728,672$233.10KQ2 2026Aug 14, 2026
Hsbc Holdings PlcBuy+7,8477,847$216.42KQ2 2026Aug 14, 2026
Royal Bank Of CanadaBuy+3,287+126.9%5,877$158.00KQ2 2026Aug 14, 2026
Barclays PlcBuy+1,583+36.0%5,977$160.66KQ2 2026Aug 14, 2026
Jones Financial Companies LllpBuy+775775$21.87KQ2 2026Aug 14, 2026
Federation Des Caisses Desjardins Du QuebecBuy+205205$5.51KQ2 2026Aug 14, 2026
Osaic Holdings, Inc.Sell-150-2.5%5,775$155.23KQ2 2026Aug 14, 2026
Lynx1 Capital Management LpBuy+2,500,000+23.2%13,263,288$356.52MQ2 2026Aug 13, 2026
Fmr LlcBuy+841,000+16.4%5,977,045$160.66MQ2 2026Aug 13, 2026
Ubs Group AgBuy+64,992+15.8%477,408$12.83MQ2 2026Aug 13, 2026
Marshall Wace, LlpSell-44,411-48.7%46,697$1.26MQ2 2026Aug 13, 2026
Morgan StanleyBuy+26,388+102.2%52,218$1.40MQ2 2026Aug 13, 2026
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Frequently asked questions about GHRS activity

  • Which institutional owners are buying GHRS?

    Institutional owners buying GHRS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in GHRS activity?

    "Buy" means an investor increased their reported position in GHRS compared to the prior reporting period. This reflects growing exposure to GH Research PLC (GHRS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in GHRS increasing?

    Institutional interest in GHRS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.