ALXN - Alexion Pharmaceuticals, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
0.64%% of Shares Held by All Insider
96.90%% of Shares Held by Institutions
97.53%% of Float Held by Institutions
846Number of Institutions Holding Shares
Direct Holders (Forms 3 and 4)
NameSharesDate Reported
BELL LEONARD390,670Feb 28, 2017
HALLAL DAVID189,266Aug 7, 2016
SINHA VIKAS178,463Aug 7, 2016
HANTSON LUDWIG118,180Feb 7, 2018
CLANCY PAUL J89,014Feb 7, 2018
MORIARTY JOHN B74,537Feb 7, 2018
MACKAY MARTIN50,688Feb 28, 2017
WAGNER HEIDI L49,838Feb 7, 2018

Top Institutional Holders

HolderSharesDate Reported% OutValue
Price (T.Rowe) Associates Inc21,006,788Dec 30, 20179.48%2,526,276,369
Blackrock Inc.18,004,610Dec 30, 20178.12%2,165,234,437
FMR, LLC17,674,124Dec 30, 20177.97%2,125,490,189
Vanguard Group, Inc. (The)15,202,754Dec 30, 20176.86%1,828,283,228
State Street Corporation10,841,065Dec 30, 20174.89%1,303,746,500
Baker Brothers Advisors, LLC8,553,864Dec 30, 20173.86%1,028,687,702
Ameriprise Financial, Inc.7,116,247Dec 30, 20173.21%855,799,879
Jennison Associates LLC5,021,165Dec 30, 20172.27%603,845,313
Sands Capital Management, Inc.4,553,095Dec 30, 20172.05%547,555,214
Goldman Sachs Group, Inc.4,144,436Dec 30, 20171.87%498,409,882

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Total Stock Market Index Fund4,910,278Jun 29, 20172.22%599,594,049
Price (T.Rowe) Growth Stock Fund Inc.4,739,806Dec 30, 20172.14%570,009,079
Price (T.Rowe) Blue Chip Growth Fund Inc.3,914,850Dec 30, 20171.77%470,799,869
Vanguard 500 Index Fund3,543,448Jun 29, 20171.60%432,690,437
iShares NASDAQ Biotechnology ETF2,988,399Jan 30, 20181.35%378,899,111
SPDR S&P 500 ETF Trust2,841,918Jan 30, 20181.28%360,326,785
Vanguard Institutional Index Fund-Institutional Index Fund2,465,853Jun 29, 20171.11%301,105,311
Price (T.Rowe) Health Sciences Fund2,069,549Dec 30, 20170.93%248,883,967
Fidelity Select Portfolios - Biotechnology1,956,364Jan 30, 20180.88%248,047,393
Powershares Exhg Traded Fd Tr-Powershares QQQ Tr, Series 11,804,973Jan 30, 20180.81%228,852,528