MeiraGTx Holdings plc (MGTX) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-04-24
4:46 pm
Purchase
2026-04-1713DMEIRAGTX HLDGS PLC
MGTX
Perceptive Advisors LLC11,742,117
12.600%
1,300,555increase
(+12.46%)
Filing
History
2026-02-13
4:31 pm
Sale
2025-12-3113GMEIRAGTX HLDGS PLC
MGTX
Prosight Management LP3,211,788
4.000%
-1,144,783decrease
(-26.28%)
Filing
History
2026-02-13
4:15 pm
Purchase
2025-12-3113GMEIRAGTX HLDGS PLC
MGTX
Rubric Capital Management LP6,175,331
7.900%
6,175,331increase
(New Position)
Filing
History
2026-01-02
4:20 pm
Sale
2025-12-3113DMEIRAGTX HLDGS PLC
MGTX
Perceptive Advisors LLC10,441,562
12.900%
-2,255,000decrease
(-17.76%)
Filing
History
2025-11-13
09:05 am
Sale
2025-09-3013GMEIRAGTX HLDGS PLC
MGTX
Adage Capital Management, L.P.4,184,578
5.200%
-1,044,521decrease
(-19.98%)
Filing
History
2025-05-14
08:30 am
Purchase
2025-03-3113GMEIRAGTX HLDGS PLC
MGTX
Prosight Management LP4,356,571
5.400%
303,857increase
(+7.50%)
Filing
History
2024-11-12
09:40 am
Purchase
2024-09-3013GMEIRAGTX HLDGS PLC
MGTX
Adage Capital Management, L.P.5,229,099
6.770%
5,229,099increase
(New Position)
Filing
History
2024-10-18
4:47 pm
Unchanged
2024-09-3013GMEIRAGTX HLDGS PLC
MGTX
JOHNSON & JOHNSON
JNJ
6,641,064
8.600%
0
(Unchanged)
Filing
History
2024-08-14
7:21 pm
Purchase
2024-08-1213DMEIRAGTX HLDGS PLC
MGTX
Perceptive Advisors LLC12,696,562
16.400%
1,254,000increase
(+10.96%)
Filing
History
2024-08-13
09:06 am
Purchase
2024-08-1213GMEIRAGTX HLDGS PLC
MGTX
Sanofi12,197,737
15.800%
7,500,000increase
(+159.65%)
Filing
History
2024-02-14
4:39 pm
Purchase
2023-12-3113DMEIRAGTX HLDGS PLC
MGTX
Perceptive Advisors LLC11,442,562
18.000%
35,999increase
(+0.32%)
Filing
History
2024-02-13
09:54 am
Sale
2023-12-3113GMEIRAGTX HLDGS PLC
MGTX
Prosight Management LP4,052,714
6.400%
-28,090decrease
(-0.69%)
Filing
History
2024-02-09
10:10 am
Purchase
2023-12-3113GMEIRAGTX HLDGS PLC
MGTX
ADENA ESTATE INC.3,266,806
5.100%
1,179,907increase
(+56.54%)
Filing
History
2024-02-07
07:51 am
Purchase
2023-12-3113GMEIRAGTX HLDGS PLC
MGTX
ADAGE CAPITAL PARTNERS GP L.L.C.5,291,618
8.320%
2,185,818increase
(+70.38%)
Filing
History
2023-11-06
07:50 am
Purchase
2023-10-3013GMEIRAGTX HLDGS PLC
MGTX
Sanofi4,697,737
7.400%
4,697,737increase
(New Position)
Filing
History
2023-05-16
12:30 pm
Purchase
2023-05-0513DMEIRAGTX HLDGS PLC
MGTX
Perceptive Advisors LLC11,406,563
19.100%
4,432,826increase
(+63.56%)
Filing
History
2023-05-12
7:37 pm
Sale
2023-05-0513GMEIRAGTX HLDGS PLC
MGTX
Prosight Management LP4,080,804
6.900%
-223,714decrease
(-5.20%)
Filing
History
2023-02-14
4:37 pm
Sale
2022-12-3113GMEIRAGTX HLDGS PLC
MGTX
ORBIMED ADVISORS LLC0
0.000%
-3,593,966decrease
(Position Closed)
Filing
History
2023-02-09
11:45 am
Purchase
2022-12-3113GMEIRAGTX HLDGS PLC
MGTX
ADAGE CAPITAL PARTNERS GP L.L.C.3,105,800
6.410%
242,746increase
(+8.48%)
Filing
History
2022-11-14
2:40 pm
Purchase
2022-11-0913GMEIRAGTX HLDGS PLC
MGTX
JOHNSON & JOHNSON
JNJ
6,641,064
13.700%
3,742,514increase
(+129.12%)
Filing
History
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