CME Group Ownership & Insider Activity

CME Group (CME) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.6% of shares outstanding. Institutional investors hold 60.2%.

Shares Outstanding

359.579M

Shares Float

322.521M

Insider Shares Owned

2.025M

Insider % Owned

0.6%

Institutional Shares Held

216.438M

Institutional % Held

60.2%

Ownership Breakdown

Congressional Trading Activity

Date	Member	Party	Chamber	Action	Amount
Jun 16, 2026	Gilbert Ray Cisneros	D	House	Sale (Partial)	$1,001 - $15,000
Mar 27, 2026	Alan Armstrong	R	Senate	Purchase	$1,001 - $15,000
Jan 9, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Dec 18, 2025	Julie Johnson	D	House	Sale	$1,001 - $15,000
Nov 13, 2025	Julie Johnson	D	House	Sale (Partial)	$1,001 - $15,000
Sep 23, 2025	Val Hoyle	D	House	Sale	$1,001 - $15,000
Aug 14, 2025	Julie Johnson	D	House	Sale (Partial)	$1,001 - $15,000
Aug 11, 2025	Julie Johnson	D	House	Purchase	$1,001 - $15,000
Jul 22, 2025	Julie Johnson	D	House	Purchase	$1,001 - $15,000
May 21, 2025	Val Hoyle	D	House	Purchase	$1,001 - $15,000
May 12, 2025	Jefferson Shreve	R	House	Sale	$15,001 - $50,000
Apr 8, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000
Mar 10, 2025	Carol Miller	R	House	Purchase	$1,001 - $15,000
Sep 4, 2024	John James	R	House	Sale	$1,001 - $15,000
Jul 2, 2024	Kathy Manning	D	House	Sale (Partial)	$1,001 - $15,000
Jul 2, 2024	Kathy Manning	D	House	Sale (Partial)	$1,001 - $15,000
Jan 23, 2024	Kathy Manning	D	House	Purchase	$1,001 - $15,000
Jan 17, 2024	Thomas R. Carper	D	Senate	Purchase	$1,001 - $15,000
Dec 6, 2023	Michael Burgess	R	House	Sale	$15,001 - $50,000
Nov 10, 2023	John James	R	House	Purchase	$1,001 - $15,000