Reporting Manager
Adage Capital Management, L.P.
Symbol
MGTX
Shares outstanding
80,472,654 shares
Disclosed Ownership
4,184,578 shares
Ownership
5.2%
Form type
SCHEDULE 13G/A
Filing time
13 Nov 2025, 09:05:15 UTC
Date of event
30 Sep 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Adage Capital Management, L.P. 5.2% 4,184,578 0 4,184,578 /s/ Robert Atchinson By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Robert Atchinson 5.2% 4,184,578 0 4,184,578 /s/ Robert Atchinson Robert Atchinson, individually
Phillip Gross 5.2% 4,184,578 0 4,184,578 /s/ Phillip Gross Phillip Gross, individually