Reporting Manager
PRIMECAP MANAGEMENT CO/CA/
Symbol
MKTX
Shares outstanding
37,363,400 shares
Disclosed Ownership
2,230,595 shares
Ownership
6%
Form type
SCHEDULE 13G
Filing time
13 Nov 2025, 20:32:07 UTC
Date of event
30 Sep 2025
Next filing
11 Feb 2026

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Quoteable Key Fact

"PRIMECAP MANAGEMENT CO/CA/ disclosed 6% ownership in MarketAxess Holdings Inc. COM (MKTX) on 30 Sep 2025."

Quick Takeaways

  • PRIMECAP MANAGEMENT CO/CA/ filed SCHEDULE 13G for MarketAxess Holdings Inc. COM (MKTX).
  • Disclosed ownership: 6%.
  • Date of event: 30 Sep 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 13 Nov 2025, 20:32.

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
PRIMECAP MANAGEMENT CO/CA/ 6% 2,230,595 2,224,275 0 Jorge A. Rodriguez Deputy Chief Compliance Officer