Schedule 13G ownership disclosure

MARKETAXESS HLDGS INC COM

COM · CUSIP: 57060D108

Event date: 2025-12-31

Filing-level shares
3,175,425
Percent of class
8.54%
  • PRIMECAP MANAGEMENT CO/CA/

    Shares: 3,175,425 · Class: 8.54%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0000763212-26-000006
Form type
SCHEDULE 13G/A
Filer
MARKETAXESS HOLDINGS INC
CIK
CIK 1278021
Filed
Feb 11, 2026
Reporting period
Dec 31, 2025
Description
Schedule 13G beneficial ownership

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