GMT CAPITAL CORP - 30 Sep 2025 SCHEDULE 13G/A Report for Hudbay Minerals Inc. Common Stock (HBM)

Filing Manager
GMT CAPITAL CORP
Reporting Manager
GMT Capital Corp.
Symbol
HBM
Shares outstanding
395,825,634 shares
Disclosed Ownership
28,103,620 shares
Ownership
7.1%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 10:56:21 UTC
Date of event
30 Sep 2025
Previous filing
14 Aug 2025
Next filing
13 Feb 2026

Quoteable Key Fact

"GMT CAPITAL CORP disclosed 7.1% ownership in Hudbay Minerals Inc. Common Stock (HBM) on 30 Sep 2025."

Quick Takeaways

  • GMT CAPITAL CORP filed SCHEDULE 13G/A for Hudbay Minerals Inc. Common Stock (HBM).
  • Disclosed ownership: 7.1%.
  • Date of event: 30 Sep 2025.

What Changed

  • Previous schedule filing date: 14 Aug 2025.
  • Current filing was accepted on 14 Nov 2025, 10:56.

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.

Source Evidence

Backed by Schedule 13D/13G

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

See Original Filing

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
GMT Capital Corp. 7.1% 28,103,620 0 28,103,620 /s/ Omar Z. Idilby Omar Z. Idilby, General Counsel and CCO
Thomas E. Claugus 7.1% 28,103,620 0 28,103,620 /s/ Thomas E. Claugus Thomas E. Claugus, Omar Z. Idilby, attorney in fact*