BIIB - Biogen Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
0.63%% of Shares Held by All Insider
91.20%% of Shares Held by Institutions
91.78%% of Float Held by Institutions
1,475Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Blackrock Inc.15,439,047Sep 29, 20198.56%3,594,518,922
Primecap Management Company14,260,012Sep 29, 20197.90%3,320,015,993
Vanguard Group, Inc. (The)14,095,526Sep 29, 20197.81%3,281,720,363
State Street Corporation8,440,419Sep 29, 20194.68%1,965,098,351
ClearBridge Investments, LLC6,232,677Sep 29, 20193.45%1,451,091,859
Renaissance Technologies, LLC4,221,206Sep 29, 20192.34%982,781,180
Wellington Management Company, LLP3,672,196Sep 29, 20192.04%854,960,672
AQR Capital Management, LLC3,516,611Sep 29, 20191.95%818,737,373
Geode Capital Management, LLC3,335,552Sep 29, 20191.85%776,583,216
Capital World Investors3,251,471Sep 29, 20191.80%757,007,478

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard/Primecap Fund9,216,356Sep 29, 20195.11%2,145,752,003
Vanguard Total Stock Market Index Fund5,398,405Jun 29, 20192.99%1,262,524,977
Vanguard 500 Index Fund3,815,492Jun 29, 20192.11%892,329,114
Vanguard Specialized-Health Care Fund2,718,603Jul 30, 20191.51%646,538,165
Legg Mason Clearbridge Aggressive Growth Fd2,237,557Sep 29, 20191.24%520,948,020
Vanguard Horizon Fund-Capital Opportunity Portfolio2,067,850Sep 29, 20191.15%481,436,837
SPDR S&P 500 ETF Trust2,007,069Oct 30, 20191.11%599,531,580
Vanguard Institutional Index Fund-Institutional Index Fund1,810,468Jun 29, 20191.00%423,414,151
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF1,659,898Oct 30, 20190.92%495,828,131
Fidelity 500 Index Fund1,566,099Oct 30, 20190.87%467,809,432