Interactive Brokers Group Inc. (IBKR)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Rhumbline Advisers	319,505	$52,906,776	0.05%
2.	Imc-chicago, LlcCALL	256,000	$42,391,040	0.02%
3.	Rv Capital Gmbh	212,480	$35,184,563	7.77%
4.	Imc-chicago, LlcPUT	144,900	$23,993,991	0.01%
5.	Yousif Capital Management, Llc	37,422	$6,196,709	0.07%