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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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226.40+1.15 (+0.51%)
At close: 04:00PM EDT
226.64 +0.24 (+0.11%)
After hours: 07:16PM EDT

Major holders

Currency in USD
0.16%% of shares held by all insiders
93.01%% of shares held by institutions
93.16%% of float held by institutions
1,409Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Vanguard Group Inc16,570,39830 Mar 202411.38%3,751,538,006
Primecap Management Company16,220,71630 Mar 202411.14%3,672,370,003
Blackrock Inc.14,144,98830 Mar 20249.72%3,202,425,196
State Street Corporation6,747,00830 Mar 20244.63%1,527,522,570
T. Rowe Price Investment Management, Inc.5,169,97030 Mar 20243.55%1,170,481,176
Wellington Management Group, LLP5,120,14230 Mar 20243.52%1,159,200,117
JP Morgan Chase & Company4,694,69430 Mar 20243.22%1,062,878,692
Geode Capital Management, LLC3,409,67430 Mar 20242.34%771,950,172
Van Eck Associates Corporation1,737,34030 Mar 20241.19%393,333,765
Morgan Stanley1,701,38330 Mar 20241.17%385,193,100

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,153,86130 Mar 20246.29%2,072,434,074
Vanguard Total Stock Market Index Fund4,560,72030 Mar 20243.13%1,032,546,980
Vanguard Specialized-Health Care Fund4,558,45329 Apr 20243.13%1,032,033,731
Vanguard 500 Index Fund3,651,65730 Mar 20242.51%826,735,122
Vanguard Mid-Cap Index Fund3,158,25830 Mar 20242.17%715,029,591
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,765,46830 May 20241.90%626,101,938
Vanguard Horizon Fund-Capital Opportunity Fund2,243,23730 Mar 20241.54%507,868,843
Price (T.Rowe) Capital Appreciation Fund1,780,69530 Mar 20241.22%403,149,337
Fidelity 500 Index Fund1,763,90330 May 20241.21%399,347,628
SPDR S&P 500 ETF Trust1,741,50530 May 20241.20%394,276,721