BAMCO INC /NY/ - 31 Dec 2025 SCHEDULE 13G/A Report for ARCH CAPITAL GROUP LTD. Common Shares (ACGL)

Filing Manager
BAMCO INC /NY/
Reporting Manager
Baron Capital Group, Inc.
Symbol
ACGL
Shares outstanding
362,651,310 shares
Disclosed Ownership
17,987,505 shares
Ownership
5%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 09:31:30 UTC
Date of event
31 Dec 2025
Previous filing
14 Nov 2024

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Quoteable Key Fact

"BAMCO INC /NY/ disclosed 5% ownership in ARCH CAPITAL GROUP LTD. Common Shares (ACGL) on 31 Dec 2025."

Quick Takeaways

  • BAMCO INC /NY/ filed SCHEDULE 13G/A for ARCH CAPITAL GROUP LTD. Common Shares (ACGL).
  • Disclosed ownership: 5%.
  • Date of event: 31 Dec 2025.

What Changed

  • Previous schedule filing date: 14 Nov 2024.
  • Current filing was accepted on 17 Feb 2026, 09:31.

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 (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BAMCO INC /NY/ 4.6% 16,720,997 0 16,534,087 /s/ Ronald Baron Chairman and CEO
Baron Capital Group, Inc. 5% 17,987,505 0 17,800,595 /s/ Ronald Baron Chairman and CEO
Baron Capital Management, Inc. 0.35% 1,266,508 0 1,266,508 /s/ Ronald Baron Chairman and CEO
Ronald Baron 5% 17,987,505 0 17,800,595 /s/ Ronald Baron Individually