Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
Fund holders13F

Funds That Own CME GROUP INC. (CME)

5 of the 26 major funds we track reported CME in their latest 13F, worth $201.7M combined at quarter end.

FundManagerQuarterSharesValue% of portfolioChangeFiled
Renaissance TechnologiesJim Simons (founder)Q2 2026680,049$150.2M0.21%▲ +1854.2%Aug 13, 2026 ↗
Viking Global InvestorsAndreas HalvorsenQ2 2026152,980$33.8M0.10%▲ NewAug 14, 2026 ↗
Markel GroupTom GaynerQ2 202649,750$11.0M0.08%No changeJul 31, 2026 ↗
Soros Fund ManagementGeorge Soros (founder)Q2 202630,028$6.63M0.09%No changeAug 14, 2026 ↗
Baupost GroupSeth KlarmanQ2 2026619,000$137K2.52%▲ NewAug 13, 2026 ↗
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

A 13F lists long positions in U.S.-listed stocks and some options at quarter end. It does not show short positions, cash, most foreign holdings, or trades made since. What a 13F can't tell you →