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Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

Delayed Data
As of 4:00pm ET
 -10.58 / -8.56%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ALXN through the 99.90% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Biotechnology industry.
Mutual fund holders65.48%
Individual stakeholders4.07%
Other institutional34.42%

Largest Quarterly Institutional

Latest Institutional Activity

3/31/2016FIDELITY MANAGEMENT & RESEARCH C...  Bought 1.8 Million shares of Alexion Pharmaceuticals I...
3/31/2016ALLIANCEBERNSTEIN LP  Bought 936.8 Thousand shares of Alexion Pharmaceuticals I...
3/31/2016CLEARBRIDGE INVESTMENTS LLC  Bought 567.2 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%28,214,3864,257,550,847-81,041-0.29%
Capital Research & Management Co....12.32%27,602,2074,165,173,03600.00%
Fidelity Management & Research Co...7.24%16,216,0122,446,996,211+1,757,586+12.16%
The Vanguard Group, Inc.5.92%13,262,4492,001,303,554+288,491+2.22%
BlackRock Fund Advisors4.48%10,031,4541,513,746,409-50,770-0.50%
SSgA Funds Management, Inc.3.92%8,786,7521,325,920,877-30,932-0.35%
Jennison Associates LLC3.26%7,310,1271,103,098,164-35,897-0.49%
Baker Bros. Advisors LP2.99%6,706,6681,012,036,201+164,069+2.51%
Columbia Management Investment Ad...2.37%5,297,593799,406,784+92,063+1.77%
Sands Capital Management LLC2.33%5,211,879786,472,541-844,883-13.95%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
American Funds Growth Fund of Ame...4.74%10,623,0611,603,019,90500.00%
American Funds AMCAP Fund2.64%5,906,898891,350,90800.00%
T Rowe Price Growth Stock Fund2.27%5,091,318768,279,886-50,988-0.99%
T Rowe Price Blue Chip Growth Fun...1.94%4,353,300656,912,970+175,600+4.20%
Vanguard Total Stock Market Index...1.88%4,207,451634,904,356+50,206+1.21%
Fidelity Select Biotechnology Por...1.70%3,815,503575,759,403-50,000-1.29%
T Rowe Price Health Sciences Fund1.52%3,398,236512,793,812-15,800-0.46%
American Funds Capital World Grow...1.44%3,231,350487,610,71500.00%
American Funds Investment Company...1.43%3,207,000483,936,30000.00%
Vanguard 500 Index Fund1.28%2,877,369434,194,982+27,490+0.96%