13F Insight
DOSSIER · 13F Holders · Q2 2026

MEIRAGTX HLDGS PLC

166 institutions still hold MEIRAGTX HLDGS PLC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G59665102·166 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$860M
visible holders
Holders
166
filers reporting
Concentration
19.16%
Sanofi #1
top holder share
AI Holders Summary · Q2 2026

166 institutions reported MEIRAGTX HLDGS PLC in Q2 2026. Sanofi leads at 19.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Sanofi
CIK 0001121404
$165M12.2M30.86%Q2 202602
Rubric Capital Management LP
CIK 0001687509
$123M9.1M1.13%Q2 202603
JOHNSON & JOHNSON
CIK 0000200406
$90M6.6M11.23%Q2 202604
PERCEPTIVE ADVISORS LLC
CIK 0001224962
$89M10.3M1.75%Q1 202605
BlackRock, Inc.
CIK 0002012383
$64M4.8M0.00%Q2 202606
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$59M4.4M0.08%Q2 202607
Opaleye Management Inc.
CIK 0001595855
$48M3.5M4.34%Q2 202608
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$40M3.0M0.01%Q2 202609
Prosight Management, LP
CIK 0001617201
$23M2.6M3.73%Q1 202610
683 Capital Management, LLC
CIK 0001404574
$20M2.6M0.89%Q4 202511
Woodline Partners LP
CIK 0001784547
$20M1.5M0.06%Q2 202612
STATE STREET CORP
CIK 0000093751
$19M1.4M0.00%Q2 202613
MORGAN STANLEY
CIK 0000895421
$18M1.3M0.00%Q2 202614
KENNEDY CAPITAL MANAGEMENT LLC
CIK 0000884589
$15M1.1M0.26%Q2 202615
Long Focus Capital Management, LLC
CIK 0001602716
$15M1.1M0.37%Q2 202616
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 0001081698
$11M850K2.65%Q2 202617
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$11M849K0.00%Q2 202618
Knoll Capital Management, LLC
CIK 0001325083
$10M1.3M4.56%Q4 202519
Vanguard Portfolio Management
CIK 0002100121· Index
$10M724K0.00%Q2 202620
J. Goldman & Co LP
CIK 0001412741
$9M685K0.24%Q2 2026
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