Reporting Manager
BlackRock Portfolio Management LLC
Symbol
MAG
Shares outstanding
103,839,173 shares
Disclosed Ownership
8,410,973 shares
Ownership
8.1%
Form type
SCHEDULE 13G/A
Filing time
15 Apr 2025, 17:04:29 UTC
Date of event
31 Mar 2025
Previous filing
04 Mar 2025
Next filing
15 Jul 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BlackRock Portfolio Management LLC 8.1% 8,410,973 8,107,820 0 Spencer Fleming Managing Director