Ticker · held by 4 filers

CME

CME GROUP INC

All tracked filers currently holding CME, ranked by position size. Each row links through to the filer's full portfolio.

Total value held

$5.58B

Total shares

27,617,990

Filers holding

4 · 6 positions

Caveat

long only · 13F-eligible managers only

Filers holding CME

sorted by position size · click any filer to see their full portfolio

# Filer Class Shares Value (USD) % of port

1 BlackRock · Larry Fink COM 25,663,446 $5.05B 0.11%

2 Citadel Advisors · Ken Griffin COM 1,297,647 $354.4M 0.05%

3 Citadel Advisors · Ken Griffin CALLCOM 308,500 $84.2M 0.01%

4 Citadel Advisors · Ken Griffin PUTCOM 246,500 $67.3M 0.01%

5 Renaissance Technologies · Jim Simons (founder) COM 71,869 $19.6M 0.03%

6 Soros Fund Management · George Soros / Robert Soros COM 30,028 $8.2M 0.10%

What this is

This page reverses the usual 13F view: instead of "what does Buffett hold," it answers "who holds NVDA?" Across the dozen tracked filers, all current 13F-disclosed holders of CME are listed, with the position size and what fraction of each filer's overall portfolio it represents.

Caveats: only the filers tracked here are included (~12 names) — not the whole 13F universe (~6,000 filers). Position values are at the most recent quarter-end, not current market price. Only long positions are visible; shorts and synthetics aren't.

v0.2 · 2026 · data via SEC EDGAR · CUSIP→ticker via OpenFIGI