Interactive Brokers Group Inc. (IBKR)

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Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value Activity % Port
1.
Cantillon Capital Management

William Von Mueffling

12,664,026 $871,411,630 -2% 4.8%
2. 9,543,872 $656,713,832 -3% 2.82%
3. 6,254,134 $430,346,961 -23% 4.54%
4.
Two Sigma Advisors

John Overdeck And David Siegel

4,192,800 $288,506,568 +25% 0.58%
5.
Marshall Wace LLP

Paul Marshall And Ian Wace

3,484,551 $239,771,955 -36% 0.24%