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Home > Insider Trading > Biogen Inc.

Biogen Inc. (BIIB)

$138.37 -1.96 (-1.40%) Market is closed

Institutional Investors' Holdings

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No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	16,748,875	$2,561,237,965	0.04%
2.	Primecap Management Co	16,046,209	$2,453,786,283	1.9%
3.	Blackrock, Inc.	15,473,710	$2,366,239,663	0.04%
4.	State Street Corp	7,398,248	$1,131,229,765	0.04%
5.	Wellington Management Group Llp	4,930,723	$754,006,161	0.13%