CME

Cme Group Inc

7 super-investor ownerscombined $573Mlargest position 2.5%

1 NEW1 TRIM1 EXIT

7 of the 83 super-investors we track hold CME, worth a combined $573M per their latest 13F filings. The largest position: Seth Klarman at 2.5% of their portfolio. This quarter the cohort logged 1 buy and 2 sells on the name. Conviction score: 31 of 100 (how strongly the cohort backs it) — ranked #343 of 742 stocks. The stock is up 5.6x since a tracked investor first held it at conviction size (Q1 2014 or earlier). Conviction rising: 2 more super-investors hold it than in 2026Q1.

Held through it: William Von Mueffling (46q straight), AKO Capital (11q straight), John Armitage (6q straight) and 2 more. All multibaggers the cohort held →

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Why super-investors own CME

CME is held by 7 super-investors in our cohort, with a combined position value of $573M. The highest-conviction owner is Seth Klarman at 2.5% of their portfolio. Cohort ownership has grown from 5 to 7 over the last four quarters — net interest is rising. This quarter the cohort registered 1 new positions, 1 trimmed, 1 exited.

AI-synthesized from 13F filings. Not investment advice.

Cohort owners over time

2016Q3 → 2026Q2

How many of the cohort members held this stock each quarter.

Now: 7

Peak: 7

Owners (7) · click any column to sort

#↑	Manager	% Port.	History	Value	Shares
1	Joel Greenblatt	0.2%	40q	$332M	1,505,427
2	Seth Klarman	2.5%	— 1q	$137M	619,000
3	Mairs & Power Funds	0.4%	— 1q	$43M	195,585
4	Viking Global Investors	0.1%	7q	$34M	152,980
5	William Von Mueffling	2.1%	40q	$14M	63,835
6	Thomas Gayner	0.1%	19q	$11M	49,750
7	Lindsell Train	0.1%	25q	$2M	6,900