NEW YORK, NY
MEIRAGTX HOLDINGS PLCMGTX— Latest position per institution from SEC 13F filings
15
Institutional holders
65.68M
Total shares held
538.35M
Estimated value
3.28M
Avg. position size
SANOFI
CIK 1121404
Shares
12.20M
Value
105.63M
Filed
Mar 31, 2026
PERCEPTIVE ADVISORS LLC
CIK 1224962
Shares
10.33M
Value
89.31M
Filed
Mar 31, 2026
RUBRIC CAPITAL MANAGEMENT LP
CIK 1687509
Shares
7M
Value
60.62M
Filed
Mar 31, 2026
JOHNSON & JOHNSON
CIK 200406
Shares
6.64M
Value
57.51M
Filed
Mar 31, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
4M
Value
34.64M
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
3.47M
Value
30.01M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
3.17M
Value
27.44M
Filed
Mar 31, 2026
PROSIGHT MANAGEMENT, LP
CIK 1617201
Shares
2.63M
Value
22.78M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
2.52M
Value
10.62M
Filed
Jun 30, 2024
683 CAPITAL MANAGEMENT, LLC
CIK 1404574
Shares
2.45M
Value
21.22M
Filed
Mar 31, 2026
OPALEYE MANAGEMENT INC.
CIK 1595855
Shares
2.12M
Value
18.39M
Filed
Mar 31, 2026
ORBIMED ADVISORS LLC
CIK 1055951
Shares
2.11M
Value
17.73K
Filed
Sep 30, 2022
MORGAN STANLEY
CIK 895421
Shares
1.59M
Value
13.77M
Filed
Mar 31, 2026
KNOLL CAPITAL MANAGEMENT, LLC
CIK 1325083
Shares
1.25M
Value
10.82M
Filed
Mar 31, 2026
KENNEDY CAPITAL MANAGEMENT LLC
CIK 884589
Shares
858.38K
Value
7.43M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
753.38K
Value
6.52M
Filed
Mar 31, 2026
ERSTE ASSET MANAGEMENT GMBH
CIK 2024532
Shares
719.70K
Value
5.82M
Filed
Mar 31, 2026
LOGOS GLOBAL MANAGEMENT LP
CIK 1792126
Shares
700K
Value
6.06M
Filed
Mar 31, 2026
22NW, LP
CIK 1694297
Shares
586.52K
Value
4.66M
Filed
Dec 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
584.90K
Value
5.07M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | SANOFI | 1121404 | 12.20M | 105.63M | Mar 31, 2026 |
| 2 | PERCEPTIVE ADVISORS LLC | 1224962 | 10.33M | 89.31M | Mar 31, 2026 |
| 3 | RUBRIC CAPITAL MANAGEMENT LP | 1687509 | 7M | 60.62M | Mar 31, 2026 |
| 4 | JOHNSON & JOHNSON | 200406 | 6.64M | 57.51M | Mar 31, 2026 |
| 5 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 4M | 34.64M | Mar 31, 2026 |
| 6 | MILLENNIUM MANAGEMENT LLC | 1273087 | 3.47M | 30.01M | Mar 31, 2026 |
| 7 | BLACKROCK, INC. | 2012383 | 3.17M | 27.44M | Mar 31, 2026 |
| 8 | PROSIGHT MANAGEMENT, LP | 1617201 | 2.63M | 22.78M | Mar 31, 2026 |
| 9 | BLACKROCK FINANCE, INC. | 1364742 | 2.52M | 10.62M | Jun 30, 2024 |
| 10 | 683 CAPITAL MANAGEMENT, LLC | 1404574 | 2.45M | 21.22M | Mar 31, 2026 |
| 11 | OPALEYE MANAGEMENT INC. | 1595855 | 2.12M | 18.39M | Mar 31, 2026 |
| 12 | ORBIMED ADVISORS LLC | 1055951 | 2.11M | 17.73K | Sep 30, 2022 |
| 13 | MORGAN STANLEY | 895421 | 1.59M | 13.77M | Mar 31, 2026 |
| 14 | KNOLL CAPITAL MANAGEMENT, LLC | 1325083 | 1.25M | 10.82M | Mar 31, 2026 |
| 15 | KENNEDY CAPITAL MANAGEMENT LLC | 884589 | 858.38K | 7.43M | Mar 31, 2026 |
| 16 | STATE STREET CORP | 93751 | 753.38K | 6.52M | Mar 31, 2026 |
| 17 | ERSTE ASSET MANAGEMENT GMBH | 2024532 | 719.70K | 5.82M | Mar 31, 2026 |
| 18 | LOGOS GLOBAL MANAGEMENT LP | 1792126 | 700K | 6.06M | Mar 31, 2026 |
| 19 | 22NW, LP | 1694297 | 586.52K | 4.66M | Dec 31, 2025 |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 584.90K | 5.07M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.