13F

Stock

Gh Research Plc

GHRS · held by 54 managers

Reported value

$668.5M

Holders

54

+12 new · −10 exited

Holders’ est. mark

$59.5M

Price effect on 42 books still in the name

Largest holder

$151.3M

Lynx1 Capital Management LP

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Lynx1 Capital Management LP10.8M$151.3M$14.2MAdded$19.2M
BVF INC/IL8.65M$121.6M$11.8MAdded$9.51M
RA CAPITAL MANAGEMENT, L.P.7.68M$107.9M$10.4MAdded$10.4M
RTW INVESTMENTS, LP5.93M$83.4M$8.07MAdded$8.07M
Fidelity5.14M$72.2M$6.99MAdded$6.99M
Avoro Capital Advisors LLC1.8M$25.3M$2.45MAdded$2.45M
TORONTO DOMINION BANK1.4M$19.7MNew
Troluce Capital Advisors LLC990.5K$13.9M$507.6KAdded$9.19M
MILLENNIUM MANAGEMENT LLC937.9K$13.2M$402.5KAdded$9.43M
Jefferies Financial Group Inc.712.3K$10M$968.7KAdded$968.7K
5AM Venture Management, LLC572.7K$8.05M$778.8KAdded$778.8K
BlackRock, Inc.455.6K$6.41M$590.8KAdded$889.1K
UBS Group AG412.4K$5.8M$494.2KAdded$1.18M
Squadron Capital Management LLC325K$4.57M$428.4KAdded$569K
Foresite Capital Management VI LLC315.5K$4.44MNew
BOOTHBAY FUND MANAGEMENT, LLC282.9K$3.98M$152.6KAdded$2.55M
CenterBook Partners LP216.6K$3.05M$294.5KCut−$554.7K
HighVista Strategies LLC213.2K$3M$290KCut−$56.9K
MARSHALL WACE, LLP91.1K$1.28M$123.9KCut−$1.78M
Occam Crest Management LP80K$1.12MNew
Trexquant Investment LP69.8K$981.5K$74.5KAdded$285.8K
AdvisorShares Investments LLC67K$942.5K$91.2KAdded$90.2K
Citadel65.5K$920.4K$35.7KAdded$586.9K
XTX Topco Ltd52.1K$732.4K$60.4KAdded$167.9K
GOLDMAN SACHS GROUP INC44.8K$629.8K$60.9KCut−$398.7K
GEODE CAPITAL MANAGEMENT, LLC40.5K$569.2K$48.5KAdded$116.5K
NORTHERN TRUST CORP32.7K$459.6K$44.5KAdded$42.6K
DIADEMA PARTNERS LP26.8K$377.3KNew
MORGAN STANLEY25.8K$363.2K$35.1KCut−$289.7K
Virtus Investment Advisers, LLC20.9K$294.1K$27.8KAdded$35K
Renaissance Technologies20.6K$289.8KNew
TUDOR INVESTMENT CORP ET AL18.6K$261KNew
JPMORGAN CHASE & CO18.9K$245.7K$6.22KAdded$5.87K
HighTower Advisors, LLC15.6K$219.3K$21.2KAdded$21.2K
China Universal Asset Management Co., Ltd.13.5K$189.9K$13.7KAdded$61.5K
State Street11K$155.3K$14.7KAdded$17.9K
Lion Point Capital, LP10.2K$143.4K$13.9KAdded$13.9K
Persistent Asset Partners Ltd6.79K$95.5KNew
OSAIC HOLDINGS, INC.5.92K$83.3K$8.06KCut−$44K
BARCLAYS PLC4.39K$61.8K$2.88KAdded$34.9K
Mirae Asset Global Investments Co., Ltd.3.23K$45.5K$4.1KAdded$7.21K
ROYAL BANK OF CANADA2.59K$36K$2.16KAdded$13K
North Star Investment Management Corp.2.2K$30.9KNew
CITIGROUP INC1.73K$24.4K$2.36KCut−$31.6K
GF FUND MANAGEMENT CO. LTD.1.38K$19.5K$1.66KAdded$3.99K
BNP PARIBAS FINANCIAL MARKETS1.31K$18.4K$1.78KAdded$1.44K
WELLS FARGO & COMPANY/MN1.25K$17.6K$1.7KAdded$1.7K
Tower Research Capital LLC (TRC)665$9.35K$905Cut−$429
Ancora Advisors LLC284$3.99KNew
Farther Finance Advisors, LLC100$1.47KNew
SIMPLEX TRADING, LLC83$1.17K$65Added$557
Cornerstone Financial Management LLC32$450New
SBI Securities Co., Ltd.20$281$27Added$27
Arkos Global Advisors1.18K$17New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.