Companies / CME Group Inc
CME Group Inc
Financials · FY2025
Ownership
359.6M shares outstanding · as of Jul 8, 2026
Ownership
| Insiders | 0.24% | 873,454 |
| 10%+ / strategic | 7.52% | 27,044,709 |
| Institutions | 90.65% | 325,939,129 |
| Public float | 1.59% | 5,718,833 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 29
View all →| Insider | % of shares | Shares |
|---|---|---|
Shepard William RDirector | 0.07% | 264,063 |
Hobert William WDirector | 0.04% | 127,686 |
Duffy Terrence aCEOChairman and CEO · Director | 0.02% | 55,630 |
Siegel Howard JDirector | 0.01% | 48,858 |
Durkin Bryan TDirector | 0.01% | 43,652 |
Winkler JulieSr MD Chief Commercial Officer | <0.01% | 30,110 |
Mulchrone Patrick JDirector | <0.01% | 29,130 |
Piell Hilda HarrisSr MD & Chief HR Officer | <0.01% | 27,702 |
Gepsman Martin JDirector | <0.01% | 25,644 |
Tobin Jack JMD Chief Accounting Officer | <0.01% | 25,409 |
Institutional holders 1,728
View all →| Holder | Value | % of shares |
|---|---|---|
| $9.80B | 9.98% | |
| $6.75B | 8.50% | |
| $3.61B | 4.55% | |
| $3.03B | 3.09% | |
| $2.70B | 2.54% | |
| $2.28B | 2.33% | |
| $1.99B | 2.02% | |
| $1.52B | 1.55% | |
| $1.43B | 1.34% | |
| $1.18B | 1.20% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Mar 15, 2026 | Duffy Terrence a CEO | Grant | Common Stock Class A | $19.59M | +63K +113.15% | 118,496 0.03% of shares | low |
| Mar 15, 2026 | Duffy Terrence a CEO | Other | Common Stock Class A | $8.68M | -28K -23.52% | 90,630 0.03% of shares | low |
| May 15, 2026 | Duffy Terrence a CEO | Sell | Common Stock Class A | $7.75M | -26K -28.68% | 64,634 0.02% of shares | medium |
| Dec 31, 2025 | Duffy Terrence a CEO | Other | Common Stock Class A | $2.79M | -10K -15.52% | 55,594 0.02% of shares | low |
| May 15, 2026 | Duffy Terrence a CEO | Sell | Common Stock Class A | $2.70M | -9K -13.93% | 55,630 0.02% of shares | medium |
| Mar 15, 2026 | Winkler Julie Executive | Grant | Common Stock Class A | $2.57M | +8K +32.36% | 33,768 <0.01% of shares | low |
| Mar 15, 2026 | Cutinho Sunil Executive | Grant | Common Stock Class A | $2.57M | +8K +43.48% | 27,244 <0.01% of shares | low |
| Mar 15, 2026 | Sammann Derek Executive | Grant | Common Stock Class A | $2.57M | +8K +95.08% | 16,939 <0.01% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Vanguard Group Inc | Passive13G/A | — |
| Vanguard Capital Management | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| CME | — | 12572Q105 |