Reporting Manager
BlackRock Portfolio Management LLC
Symbol
MAG
Shares outstanding
103,054,924 shares
Disclosed Ownership
6,801,625 shares
Ownership
6.6%
Form type
SCHEDULE 13G/A
Filing time
15 Jul 2025, 17:12:37 UTC
Date of event
30 Jun 2025
Previous filing
15 Apr 2025

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Quoteable Key Fact

"BlackRock Portfolio Management LLC disclosed 6.6% ownership in MAG SILVER CORP Common Stock (MAG) on 30 Jun 2025."

Quick Takeaways

  • BlackRock Portfolio Management LLC filed SCHEDULE 13G/A for MAG SILVER CORP Common Stock (MAG).
  • Disclosed ownership: 6.6%.
  • Date of event: 30 Jun 2025.

What Changed

  • Previous schedule filing date: 15 Apr 2025.
  • Current filing was accepted on 15 Jul 2025, 17:12.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BlackRock Portfolio Management LLC 6.6% 6,801,625 6,476,005 0 Spencer Fleming Managing Director