Berkshire Hathaway Inc (BRK.A)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Rhumbline Advisers	3,048,205	$1,623,412,904	1.52%
2.	Assenagon Asset Management S.a.	1,494,973	$796,192,720	1.33%
3.	Imc-chicago, LlcPUT	1,260,100	$671,104,058	0.38%
4.	Wealth Enhancement Advisory Services, Llc	1,171,693	$624,020,813	1.19%
5.	Imc-chicago, LlcCALL	1,122,200	$597,661,276	0.34%