Schedule 13G ownership disclosure

CME GROUP INC COM

Common Stock · CUSIP: 12572Q105

Event date: 2026-02-27

Filing-level shares
36,248,559
Percent of class
10.10%
  • The Vanguard Group

    Shares: 36,248,559 · Class: 10.10%

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

Source: SEC EDGAR filing

Filing metadata

Accession number
0000102909-26-000341
Form type
SCHEDULE 13G/A
Filer
CME GROUP INC.
CIK
CIK 1156375
Filed
Mar 05, 2026
Reporting period
Feb 27, 2026
Description
Schedule 13G beneficial ownership

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