NEW YORK, NY
MEIRAGTX HOLDINGS PLCMGTX— Latest position per institution from SEC 13F filings
15
Institutional holders
71.70M
Total shares held
916.68M
Estimated value
3.58M
Avg. position size
SANOFI
CIK 1121404
Shares
12.20M
Value
164.79M
Filed
Jun 30, 2026
PERCEPTIVE ADVISORS LLC
CIK 1224962
Shares
10.79M
Value
145.73M
Filed
Jun 30, 2026
RUBRIC CAPITAL MANAGEMENT LP
CIK 1687509
Shares
9.10M
Value
122.94M
Filed
Jun 30, 2026
JOHNSON & JOHNSON
CIK 200406
Shares
6.64M
Value
89.72M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
4.76M
Value
64.27M
Filed
Jun 30, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
4.40M
Value
59.44M
Filed
Jun 30, 2026
OPALEYE MANAGEMENT INC.
CIK 1595855
Shares
3.55M
Value
47.96M
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
2.97M
Value
40.15M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
2.52M
Value
10.62M
Filed
Jun 30, 2024
683 CAPITAL MANAGEMENT, LLC
CIK 1404574
Shares
2.30M
Value
31.07M
Filed
Jun 30, 2026
ORBIMED ADVISORS LLC
CIK 1055951
Shares
2.11M
Value
17.73K
Filed
Sep 30, 2022
WOODLINE PARTNERS LP
CIK 1784547
Shares
1.50M
Value
20.27M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
1.39M
Value
18.82M
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
1.31M
Value
17.73M
Filed
Jun 30, 2026
KNOLL CAPITAL MANAGEMENT, LLC
CIK 1325083
Shares
1.25M
Value
16.89M
Filed
Jun 30, 2026
KENNEDY CAPITAL MANAGEMENT LLC
CIK 884589
Shares
1.11M
Value
14.93M
Filed
Jun 30, 2026
LONG FOCUS CAPITAL MANAGEMENT, LLC
CIK 1602716
Shares
1.08M
Value
14.59M
Filed
Jun 30, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC
CIK 884414
Shares
1.02M
Value
13.71M
Filed
Jun 30, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
852.90K
Value
11.52M
Filed
Jun 30, 2026
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 1081698
Shares
850K
Value
11.48M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | SANOFI | 1121404 | 12.20M | 164.79M | Jun 30, 2026 |
| 2 | PERCEPTIVE ADVISORS LLC | 1224962 | 10.79M | 145.73M | Jun 30, 2026 |
| 3 | RUBRIC CAPITAL MANAGEMENT LP | 1687509 | 9.10M | 122.94M | Jun 30, 2026 |
| 4 | JOHNSON & JOHNSON | 200406 | 6.64M | 89.72M | Jun 30, 2026 |
| 5 | BLACKROCK, INC. | 2012383 | 4.76M | 64.27M | Jun 30, 2026 |
| 6 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 4.40M | 59.44M | Jun 30, 2026 |
| 7 | OPALEYE MANAGEMENT INC. | 1595855 | 3.55M | 47.96M | Jun 30, 2026 |
| 8 | MILLENNIUM MANAGEMENT LLC | 1273087 | 2.97M | 40.15M | Jun 30, 2026 |
| 9 | BLACKROCK FINANCE, INC. | 1364742 | 2.52M | 10.62M | Jun 30, 2024 |
| 10 | 683 CAPITAL MANAGEMENT, LLC | 1404574 | 2.30M | 31.07M | Jun 30, 2026 |
| 11 | ORBIMED ADVISORS LLC | 1055951 | 2.11M | 17.73K | Sep 30, 2022 |
| 12 | WOODLINE PARTNERS LP | 1784547 | 1.50M | 20.27M | Jun 30, 2026 |
| 13 | STATE STREET CORP | 93751 | 1.39M | 18.82M | Jun 30, 2026 |
| 14 | MORGAN STANLEY | 895421 | 1.31M | 17.73M | Jun 30, 2026 |
| 15 | KNOLL CAPITAL MANAGEMENT, LLC | 1325083 | 1.25M | 16.89M | Jun 30, 2026 |
| 16 | KENNEDY CAPITAL MANAGEMENT LLC | 884589 | 1.11M | 14.93M | Jun 30, 2026 |
| 17 | LONG FOCUS CAPITAL MANAGEMENT, LLC | 1602716 | 1.08M | 14.59M | Jun 30, 2026 |
| 18 | JACOBS LEVY EQUITY MANAGEMENT, INC | 884414 | 1.02M | 13.71M | Jun 30, 2026 |
| 19 | D. E. SHAW & CO., INC. | 1009207 | 852.90K | 11.52M | Jun 30, 2026 |
| 20 | HEIGHTS CAPITAL MANAGEMENT, INC | 1081698 | 850K | 11.48M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.