BIIB - Biogen Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
0.29%% of Shares Held by All Insider
91.57%% of Shares Held by Institutions
91.84%% of Float Held by Institutions
1,458Number of Institutions Holding Shares
Direct Holders (Forms 3 and 4)
NameSharesDate Reported
DENNER ALEXANDER J10,029Jun 6, 2017
SCANGOS GEORGE A54,779Jul 20, 2016
COX JOHN39,045Mar 31, 2016
ALEXANDER SUSAN H22,258Jul 24, 2017
PAPADOPOULOS STELIOS19,946Jun 6, 2017
DORSA CAROLINE18,172Jun 6, 2017
PANGIA ROBERT W17,707Jun 6, 2017
ROWINSKY ERIC K14,144Jun 6, 2017
CLANCY PAUL J10,813Apr 24, 2017
LEAMING NANCY10,063Jun 6, 2017

Top Institutional Holders

HolderSharesDate Reported% OutValue
Blackrock Inc.16,944,289Sep 29, 20178.01%5,300,173,392
Primecap Management Company15,212,914Sep 29, 20177.19%4,758,599,313
Vanguard Group, Inc. (The)14,668,942Sep 29, 20176.94%4,588,444,878
Price (T.Rowe) Associates Inc10,681,378Sep 29, 20175.05%3,341,134,908
State Street Corporation9,669,416Sep 29, 20174.57%3,024,593,206
ClearBridge Investments, LLC9,250,827Sep 29, 20174.37%2,893,658,572
FMR, LLC7,151,969Sep 29, 20173.38%2,237,135,815
Wellington Management Company, LLP5,167,662Sep 29, 20172.44%1,616,444,610
Invesco Ltd.3,379,854Sep 29, 20171.60%1,057,218,289
Northern Trust Corporation3,028,747Sep 29, 20171.43%947,392,024

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard/Primecap Fund9,122,097Jun 29, 20174.31%2,474,368,811
Vanguard Total Stock Market Index Fund4,891,271Jun 29, 20172.31%1,326,757,258
Vanguard Specialized-Health Care Fund3,784,603Apr 29, 20171.79%1,046,707,679
Vanguard 500 Index Fund3,370,216Jun 29, 20171.59%914,171,090
Legg Mason Clearbridge Aggressive Growth Fd3,170,327Sep 29, 20171.50%991,678,246
iShares NASDAQ Biotechnology ETF2,714,530Aug 30, 20171.28%793,457,085
Vanguard Horizon Fund-Capital Opportunity Portfolio2,630,438Jun 29, 20171.24%713,506,307
SPDR S&P 500 ETF Trust2,412,459Aug 30, 20171.14%705,161,736
Vanguard Institutional Index Fund-Institutional Index Fund2,344,559Jun 29, 20171.11%635,961,628
Price (T.Rowe) Growth Stock Fund Inc.1,956,804Sep 29, 20170.93%612,088,267