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Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

Delayed Data
As of 3:59pm ET
 -1.80 / -1.38%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ALXN through the 99.87% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Biotechnology industry.
Mutual fund holders63.34%
Individual stakeholders4.07%
Other institutional36.53%

Largest Quarterly Institutional

Latest Institutional Activity

5/11/2016BAKER BROS. ADVISORS LP  Bought 164.1 Thousand shares of Alexion Pharmaceuticals I...
7/07/2016OSSIAM SA  Bought 29.0 Thousand shares of Alexion Pharmaceuticals I...
5/31/2016SV LIFE SCIENCES MANAGERS LLP  Bought 25.0 Thousand shares of Alexion Pharmaceuticals I...

Top 10 Owners of Alexion Pharmaceuticals Inc

Total value ($)Shares
bought / sold
T. Rowe Price Associates, Inc.12.60%28,214,3863,294,311,709-81,041-0.29%
Capital Research & Management Co....12.32%27,602,2073,222,833,68900.00%
Fidelity Management & Research Co...7.24%16,216,0121,893,381,561+1,757,586+12.16%
The Vanguard Group, Inc.5.92%13,262,4491,548,523,545+288,491+2.22%
BlackRock Fund Advisors4.48%10,031,4541,171,272,569-50,770-0.50%
SSgA Funds Management, Inc.3.92%8,786,7521,025,941,164-30,932-0.35%
Jennison Associates LLC3.26%7,310,127853,530,429-35,897-0.49%
Baker Bros. Advisors LP2.99%6,706,668783,070,556+164,069+2.51%
Columbia Management Investment Ad...2.37%5,297,593618,546,959+92,063+1.77%
Sands Capital Management LLC2.33%5,211,879608,538,992-844,883-13.95%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
American Funds Growth Fund of Ame...4.49%10,054,6011,173,975,213-568,460-5.35%
American Funds AMCAP Fund2.48%5,557,098648,846,762-349,800-5.92%
Vanguard Total Stock Market Index...1.90%4,249,455496,166,366+42,004+1.00%
Fidelity Select Biotechnology Por...1.77%3,954,503461,727,770+139,000+3.64%
T Rowe Price Growth Stock Fund1.58%3,529,379412,090,292-1,561,939-30.68%
T Rowe Price Health Sciences Fund1.52%3,398,236396,778,035-15,800-0.46%
T Rowe Price Blue Chip Growth Fun...1.36%3,053,300356,503,308-1,300,000-29.86%
American Funds Investment Company...1.36%3,041,000355,067,160-166,000-5.18%
Vanguard 500 Index Fund1.31%2,940,594343,343,755+63,225+2.20%
American Funds Capital World Grow...1.17%2,616,308305,480,122-615,042-19.03%