ALXN - Alexion Pharmaceuticals, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
0.31%% of Shares Held by All Insider
96.77%% of Shares Held by Institutions
97.06%% of Float Held by Institutions
888Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
FMR, LLC19,594,530Sep 29, 20198.85%1,919,088,268
Vanguard Group, Inc. (The)16,849,189Sep 29, 20197.61%1,650,209,570
Blackrock Inc.15,958,534Sep 29, 20197.21%1,562,978,819
Price (T.Rowe) Associates Inc11,877,419Sep 29, 20195.37%1,163,274,416
State Street Corporation10,870,182Sep 29, 20194.91%1,064,625,625
Baker Brothers Advisors, LLC8,258,068Sep 29, 20193.73%808,795,179
ClearBridge Investments, LLC6,233,508Sep 29, 20192.82%610,509,773
Ameriprise Financial, Inc.5,833,734Sep 29, 20192.64%571,355,907
Artisan Partners Limited Partnership4,852,435Sep 29, 20192.19%475,247,483
JP Morgan Chase & Company4,764,230Sep 29, 20192.15%466,608,686

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Total Stock Market Index Fund5,853,981Jun 29, 20192.65%766,754,431
Vanguard 500 Index Fund4,411,403Jun 29, 20191.99%577,805,564
SPDR S&P 500 ETF Trust2,480,290Sep 29, 20191.12%242,919,602
Price (T.Rowe) Blue Chip Growth Fund Inc.2,364,367Sep 29, 20191.07%231,566,103
iShares NASDAQ Biotechnology ETF2,208,838Sep 29, 20191.00%216,333,593
Vanguard Institutional Index Fund-Institutional Index Fund2,093,751Jun 29, 20190.95%274,239,505
Legg Mason Clearbridge Large Cap Growth Fd2,023,554Sep 29, 20190.91%198,186,878
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,011,801Sep 29, 20190.91%197,035,789
Fidelity 500 Index Fund1,883,424Sep 29, 20190.85%184,462,546
iShares Core S&P 500 ETF1,690,253Sep 29, 20190.76%165,543,378