StockCIK 1156375
CME GROUP INC. (CME): Insider Trades and Fund Holdings
In the past 12 months, CME GROUP INC. insiders reported 1 open-market purchase worth $79K and 4 sales worth $5.87M; 0 of the sales were reported as made under a 10b5-1 trading plan.
1Insider buys, 12 months
$79KBought by insiders, 12 months
$5.87MSold by insiders, 12 months
5Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 27, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Oct 27 | Sunil CutinhoChief Information Officer | ▼ SELL | $1.49M |
| Oct 22 | Martin J. GepsmanDirector | ▼ SELL | $121K |
| Sep 28 | William R. ShepardDirector | ▲ BUY | $79K |
| Sep 14 | Elizabeth A. CookDirector | ▼ SELL | $140K |
| Sep 11 | Terrence A. DuffyCEO | ▼ SELL | $4.12M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Sunil Cutinho | Chief Information Officer | 0 | $0 | 1 | $1.49M |
| Martin J. Gepsman | Director | 0 | $0 | 1 | $121K |
| William R. Shepard | Director | 1 | $79K | 0 | $0 |
| Elizabeth A. Cook | Director | 0 | $0 | 1 | $140K |
| Terrence A. Duffy | CEO | 0 | $0 | 1 | $4.12M |
Tracked funds that report CME
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 680,049 | $150.2M | ▲ +1854.2% |
| Viking Global Investors | 152,980 | $33.8M | ▲ New |
| Markel Group | 49,750 | $11.0M | No change |
| Soros Fund Management | 30,028 | $6.63M | No change |
| Baupost Group | 619,000 | $137K | ▲ New |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →