Interactive Brokers Group Inc. (IBKR)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Robeco Institutional Asset Management B.v.	1,326,843	$88,991,365	0.13%
2.	Assenagon Asset Management S.a.	1,192,749	$79,997,675	0.12%
3.	Congress Asset Management Co	971,529	$65,160,458	0.47%
4.	Compagnie Lombard Odier Scma	697,166	$46,758,932	0.57%
5.	Marathon Asset Mgmt Ltd	543,043	$36,420,844	1.4%