CME Group Inc.
CME Group Inc. (CME) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CME · as of Mar 31, 2025
Ownership Breakdown
1,658
Institutional Holders
▲ 101 vs Q4
$89.71B
Total Inst. Value
▲ $15.83B vs Q4
362.36M
Shares Outstanding
freeFloat 98.60%
324.28M
13F Shares Held
▲ 5.79M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CME largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC security & commodity brokers, dealers, exchanges & services | 34.64M | 9.63% | 9.63% | $9.19T | May 9, 2025 | ▲ 400.7K |
BLACKROCK, INC. security & commodity brokers, dealers, exchanges & services | 32.61M | 9.07% | 9.07% | $8.65T | May 2, 2025 | ▲ 2.99M |
STATE STREET CORP security & commodity brokers, dealers, exchanges & services | 16.44M | 4.57% | 4.57% | $4.36T | May 15, 2025 | ▲ 337.8K |
JPMORGAN CHASE & CO security & commodity brokers, dealers, exchanges & services | 12.57M | 3.50% | 3.50% | $3.34T | May 12, 2025 | ▲ 1.78M |
MORGAN STANLEY security & commodity brokers, dealers, exchanges & services | 10.56M | 2.94% | 2.94% | $2.80T | May 15, 2025 | ▼ 418.5K |
CAPITAL WORLD INVESTORS security & commodity brokers, dealers, exchanges & services | 9.73M | 2.70% | 2.70% | $2.58T | May 12, 2025 | ▼ 1.49M |
GEODE CAPITAL MANAGEMENT, LLC security & commodity brokers, dealers, exchanges & services | 8.86M | 2.46% | 2.46% | $2.35T | May 13, 2025 | ▲ 469.3K |
BANK OF NEW YORK MELLON CORP security & commodity brokers, dealers, exchanges & services | 6.18M | 1.72% | 1.72% | $1.64T | Apr 29, 2025 | ▼ 196.2K |
PRICE T ROWE ASSOCIATES INC /MD/ security & commodity brokers, dealers, exchanges & services | 5.45M | 1.51% | 1.51% | $1.45T | May 14, 2025 | ▼ 2.83M |
NORGES BANK security & commodity brokers, dealers, exchanges & services | 5.02M | 1.40% | 1.40% | $1.33T | May 11, 2026 | ▲ 252.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
28
Increased
+18.16M shares0
New Positions
first time holders22
Decreased
−11.16M shares0
Sold Out
fully exitedNet shares change (top 50)
+7.00M
+18.16M / −11.16M
Net new holders
+6
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CME insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
3
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Piell Hilda Harris Sr MD & Chief HR Officer | May 18, 2026 | Sale | 5,753 | $304.63 | $1.75M | 27.7K | Form 4 ↗ |
DUFFY TERRENCE A Chairman and CEO | May 15, 2026 | Sale | 25,996 | $298.14 | $7.75M | 64.6K | Form 4 ↗ |
DUFFY TERRENCE A Chairman and CEO | May 15, 2026 | Sale | 9,004 | $299.58 | $2.70M | 55.6K | Form 4 ↗ |
SHEPARD WILLIAM R director | Mar 26, 2026 | Purchase | 1,407.78 | $297.38 | $418.6K | 260.1K | Form 4 ↗ |
SHEPARD WILLIAM R director | Mar 26, 2026 | Purchase | 62.06 | $297.38 | $18.5K | 2.5K | Form 4 ↗ |
Marcus Jonathan L Sr MD General Counsel | Mar 17, 2026 | Sale | 3,291 | $313.37 | $1.03M | 7.2K | Form 4 ↗ |
Marcus Jonathan L Sr MD General Counsel | Mar 17, 2026 | Sale | 3,291 | $333.37 | $1.10M | 7.2K | Form 4 ↗ |
McCourt Timothy Francis Sr MD Global Head Equity & FX | Mar 15, 2026 | Award | 5,504 | $311.40 | $1.71M | 15.0K | Form 4 ↗ |
McCourt Timothy Francis Sr MD Global Head Equity & FX | Mar 15, 2026 | Tax Withhold | 2,810 | $311.40 | $875.0K | 12.2K | Form 4 ↗ |
McCourt Timothy Francis Sr MD Global Head Equity & FX | Mar 15, 2026 | Tax Withhold | 94 | $311.40 | $29.3K | 12.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
CME Group Inc. (CME) is primarily owned by institutional investors, who hold approximately 89.5% of total shares outstanding. Company insiders own approximately 1.40%, while retail and public investors account for the remaining 9.11%.
The largest institutional shareholder of CME Group Inc. is VANGUARD GROUP INC, holding approximately 34.64 million shares — equal to 9.63% of outstanding shares — as of March 31, 2025.
A total of 1,658 institutional investors currently hold CME stock, with a combined institutional value of approximately $89.71 billion as of the most recent 13F filing period.
Frequently asked questions
CME ownershipCME Group Inc. (CME) is primarily owned by institutional investors, who hold approximately 89.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.63% stake. Company insiders hold 1.40%. Data sourced from SEC Form 13F as of March 31, 2025.