BlackRock, Inc. - 31 Mar 2025 SCHEDULE 13G/A Report for MarketAxess Holdings Inc Common Stock (MKTX)

Filing Manager
BlackRock, Inc.
Reporting Manager
BlackRock, Inc.
Symbol
MKTX
Shares outstanding
37,583,197 shares
Disclosed Ownership
2,480,491 shares
Ownership
6.6%
Form type
SCHEDULE 13G/A
Filing time
17 Apr 2025, 09:35:29 UTC
Date of event
31 Mar 2025
Next filing
17 Oct 2025

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Quoteable Key Fact

"BlackRock, Inc. disclosed 6.6% ownership in MarketAxess Holdings Inc Common Stock (MKTX) on 31 Mar 2025."

Quick Takeaways

  • BlackRock, Inc. filed SCHEDULE 13G/A for MarketAxess Holdings Inc Common Stock (MKTX).
  • Disclosed ownership: 6.6%.
  • Date of event: 31 Mar 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 17 Apr 2025, 09:35.

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, Inc. 6.6% 2,480,491 2,355,572 0 Spencer Fleming Managing Director