Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

During the Trading Day
173.30 -6.96 / -3.86%
As of 3:59pm ET
Day’s Change
During After-Hours   Switch to standard view »
173.35 +0.05 / +0.03%
Volume: 58.1K
Institutional investors hold a majority ownership of ALXN through the 97.11% 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 December 2014, these large investors purchased a net $482.5 thousand shares.
Mutual fund holders64.86%
Other institutional32.15%
Individual stakeholders1.30%

Largest Quarterly Institutional

Latest Institutional Activity

12/31/2014FIDELITY MANAGEMENT & RESEARCH C...  Bought 2.1 Million shares of Alexion Pharmaceuticals I...
12/31/2014TCW ASSET MANAGEMENT CO.  Bought 621.5 Thousand shares of Alexion Pharmaceuticals I...
12/31/2014T. ROWE PRICE ASSOCIATES, INC.  Bought 466.7 Thousand shares of Alexion Pharmaceuticals I...

Top 10 Owners of Alexion Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Capital Research & Management Co....12.02%24,290,1004,381,205,337+49,800+0.21%
Fidelity Management & Research Co...10.93%22,095,2473,985,319,701+2,051,441+10.23%
T. Rowe Price Associates, Inc.9.98%20,175,3913,639,035,275+466,737+2.37%
The Vanguard Group, Inc.5.27%10,660,3481,922,806,969+382,895+3.73%
BlackRock Fund Advisors4.30%8,693,1071,567,975,710+252,278+2.99%
SSgA Funds Management, Inc.4.24%8,562,2021,544,364,375+443,427+5.46%
Jennison Associates LLC2.87%5,793,3511,044,946,720-2,589,663-30.89%
Sands Capital Management LLC2.61%5,267,903950,171,664-43,585-0.82%
JPMorgan Investment Management, I...2.60%5,255,805947,989,548-372,120-6.61%
Wells Capital Management, Inc.1.84%3,709,668669,112,817-248,059-6.27%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
American Funds Growth Fund of Ame...4.51%9,111,0611,643,362,073+105,000+1.17%
American Funds AMCAP Fund2.34%4,729,835853,120,339+81,800+1.76%
Vanguard Total Stock Market Index...1.71%3,455,527623,273,405+40,217+1.18%
Fidelity Growth Company Fund1.62%3,265,660589,027,094-18,400-0.56%
American Funds Investment Company...1.59%3,207,000578,446,59000.00%
T Rowe Price Growth Stock Fund1.58%3,188,400575,091,708-19,600-0.61%
American Funds Capital World Grow...1.47%2,974,400536,492,52800.00%
T Rowe Price Blue Chip Growth Fun...1.45%2,937,900529,909,023+118,000+4.18%
T Rowe Price Health Sciences Fund1.40%2,824,300509,418,99100.00%
Fidelity Contrafund1.37%2,761,500498,091,755+90,028+3.37%

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