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Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

Delayed Data
As of Dec 05
 +1.97 / +1.60%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ALXN through the 97.64% 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 September 2016, these large investors purchased a net $2.1 million shares.
Mutual fund holders61.58%
Individual stakeholders4.05%
Other institutional36.06%

Largest Quarterly Institutional

Latest Institutional Activity

9/30/2016FIDELITY MANAGEMENT & RESEARCH C...  Bought 5.8 Million shares of Alexion Pharmaceuticals I...
9/30/2016BLACKROCK INVESTMENT MANAGEMENT ...  Bought 1.4 Million shares of Alexion Pharmaceuticals I...
9/30/2016BLACKROCK ADVISORS LLC  Bought 1.3 Million shares of Alexion Pharmaceuticals I...

Top 10 Owners of Alexion Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Fidelity Management & Research Co...10.69%23,976,8323,128,976,576+5,804,816+31.94%
T. Rowe Price Associates, Inc.8.64%19,364,4342,527,058,637-379,455-1.92%
Capital Research & Management Co....6.83%15,305,1311,997,319,596-10,284,191-40.19%
The Vanguard Group, Inc.6.13%13,736,5431,792,618,862+257,825+1.91%
BlackRock Fund Advisors4.96%11,118,3871,450,949,504+867,085+8.46%
SSgA Funds Management, Inc.3.41%7,642,381997,330,721-1,151,651-13.10%
Jennison Associates LLC3.18%7,137,235931,409,168+43,840+0.62%
Baker Bros. Advisors LP2.92%6,543,295853,899,99800.00%
Sands Capital Management LLC2.34%5,245,752684,570,636+370,994+7.61%
Columbia Management Investment Ad...2.08%4,668,451609,232,856-1,315,426-21.98%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
American Funds Growth Fund of Ame...2.81%6,289,189820,739,16500.00%
Vanguard Total Stock Market Index...1.98%4,437,962579,154,041+61,620+1.41%
Fidelity Select Biotechnology Por...1.98%4,433,017578,508,719-154,200-3.36%
T Rowe Price Growth Stock Fund1.57%3,516,879458,952,710-12,500-0.35%
American Funds AMCAP Fund1.54%3,456,275451,043,88800.00%
Vanguard 500 Index Fund1.41%3,152,848411,446,664+49,122+1.58%
T Rowe Price Blue Chip Growth Fun...1.36%3,053,300398,455,650-1,300,000-29.86%
Harbor Capital Appreciation Fund1.15%2,581,555336,892,928-33,456-1.28%
iShares Nasdaq Biotechnology ETF1.11%2,480,239323,671,190+9,136+0.37%
Vanguard Institutional Index Fund1.10%2,465,879321,797,210-18,702-0.75%