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

11,245,881 $754,261,239 -12% 5.01%
2.
Two Sigma Advisors

John Overdeck And David Siegel

8,312,971 $557,550,965 +81% 0.45%
3. 6,275,179 $420,876,256 -10% 4.67%
4. 6,118,045 $410,337,278 -35% 1.73%
5.
BAMCO Inc.

Ron Baron

4,047,376 $271,457,508 -13% 0.82%