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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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231.69-2.15 (-0.92%)
At close: 04:00PM EDT
233.00 +1.31 (+0.57%)
After hours: 07:40PM EDT

Major holders

Currency in USD
Breakdown
0.16%% of shares held by all insiders
93.17%% of shares held by institutions
93.32%% of float held by institutions
1,417Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Vanguard Group Inc16,570,39830 Mar 202411.38%3,839,195,553
Primecap Management Company16,220,71630 Mar 202411.14%3,758,177,729
Blackrock Inc.14,144,98830 Mar 20249.72%3,277,252,304
State Street Corporation6,747,00830 Mar 20244.63%1,563,214,299
T. Rowe Price Investment Management, Inc.5,169,97030 Mar 20243.55%1,197,830,361
Wellington Management Group, LLP5,120,14230 Mar 20243.52%1,186,285,712
JP Morgan Chase & Company4,694,69430 Mar 20243.22%1,087,713,664
Geode Capital Management, LLC3,409,67430 Mar 20242.34%789,987,377
Van Eck Associates Corporation1,737,34030 Mar 20241.19%402,524,308
Morgan Stanley1,701,38330 Mar 20241.17%394,193,431

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,153,86130 Mar 20246.29%2,120,858,077
Vanguard Specialized-Health Care Fund4,558,45330 Jan 20243.13%1,056,147,986
Vanguard Total Stock Market Index Fund4,560,72030 Mar 20243.13%1,056,673,227
Vanguard 500 Index Fund3,651,65730 Mar 20242.51%846,052,419
Vanguard Mid-Cap Index Fund3,158,25830 Mar 20242.17%731,736,803
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,735,64429 Apr 20241.88%633,821,365
Vanguard Horizon Fund-Capital Opportunity Fund2,243,23730 Mar 20241.54%519,735,586
Price (T.Rowe) Capital Appreciation Fund1,780,69530 Mar 20241.22%412,569,228
Fidelity 500 Index Fund1,754,95729 Apr 20241.21%406,605,991
SPDR S&P 500 ETF Trust1,712,52329 Apr 20241.18%396,774,458