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Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

Delayed Data
As of Sep 04
 -3.30 / -1.88%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ALXN through the 100.34% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Biotechnology industry. Last, during the quarter ended June 2015, these large investors purchased a net $3.5 million shares.
Mutual fund holders63.31%
Individual stakeholders4.23%
Other institutional37.03%

Largest Quarterly Institutional

Latest Institutional Activity

6/30/2015T. ROWE PRICE ASSOCIATES, INC.  Bought 3.4 Million shares of Alexion Pharmaceuticals I...
6/30/2015COLUMBIA MANAGEMENT INVESTMENT A...  Bought 1.7 Million shares of Alexion Pharmaceuticals I...
6/30/2015ORBIMED ADVISORS LLC  Bought 1.5 Million shares of Alexion Pharmaceuticals I...

Top 10 Owners of Alexion Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Capital Research & Management Co....11.75%26,333,7415,199,333,823-1,408,905-5.08%
T. Rowe Price Associates, Inc.11.69%26,202,5355,173,428,510+3,444,344+15.13%
Fidelity Management & Research Co...6.65%14,911,3022,944,087,467-13,847,788-48.15%
The Vanguard Group, Inc.5.83%13,054,6962,577,519,178+759,847+6.18%
BlackRock Fund Advisors4.63%10,379,3382,049,296,495-106,758-1.02%
SSgA Funds Management, Inc.3.92%8,789,6751,735,433,432-65,577-0.74%
Baker Bros. Advisors LP2.99%6,704,9981,323,834,805+162,399+2.48%
Sands Capital Management LLC2.91%6,519,5461,287,219,162+1,315,250+25.27%
Jennison Associates LLC2.66%5,951,9631,175,155,575+711,725+13.58%
Columbia Management Investment Ad...2.21%4,959,211979,146,620+1,711,451+52.70%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
American Funds Growth Fund of Ame...4.73%10,595,5722,091,989,736+648,838+6.52%
American Funds AMCAP Fund2.16%4,843,747956,349,408-582,580-10.74%
Vanguard Total Stock Market Index...1.87%4,197,617828,777,500-21,516-0.51%
T Rowe Price Growth Stock Fund1.75%3,919,906773,946,241+731,506+22.94%
Fidelity Select Biotechnology Por...1.73%3,870,123764,117,085+22,869+0.59%
T Rowe Price Blue Chip Growth Fun...1.66%3,709,700732,443,168+437,200+13.36%
American Funds Investment Company...1.43%3,207,000633,190,08000.00%
T Rowe Price Health Sciences Fund1.39%3,118,866615,788,903+153,074+5.16%
American Funds Capital World Grow...1.39%3,109,600613,959,424+135,200+4.55%
Fidelity Growth Company Fund1.17%2,623,160517,916,710-16,756-0.63%