Adage Capital Management, L.P. - Sep 30, 2025 SCHEDULE 13G/A Report for MeiraGTx Holdings plc Ordinary Shares, par value $0.00003881 per share (MGTX)

Filing Manager
Adage Capital Management, L.P.
Reporting Manager
Adage Capital Management, L.P.
Security
MeiraGTx Holdings plc Ordinary Shares, par value $0.00003881 per share
Symbol
MGTX
Shares outstanding
80.5M shares
Disclosed Ownership
4.18M shares
Ownership
5.2%
Form type
SCHEDULE 13G/A
Date filed
11/13/2025, 09:05 AM
Date of event
Sep 30, 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Adage Capital Management, L.P. 5.2% 4.18M 0 4.18M /s/ Robert Atchinson By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Robert Atchinson 5.2% 4.18M 0 4.18M /s/ Robert Atchinson Robert Atchinson, individually
Phillip Gross 5.2% 4.18M 0 4.18M /s/ Phillip Gross Phillip Gross, individually