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Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

Delayed Data
As of May 25
 -2.58 / -2.55%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ALXN through the 97.36% 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 March 2017, these large investors purchased a net $6.7 million shares.
Mutual fund holders59.54%
Individual stakeholders4.09%
Other institutional37.82%

Largest Quarterly Institutional

Latest Institutional Activity

3/31/2017JENNISON ASSOCIATES LLC  Bought 1.3 Million shares of Alexion Pharmaceuticals I...
3/31/2017JPMORGAN INVESTMENT MANAGEMENT, ...  Bought 962.3 Thousand shares of Alexion Pharmaceuticals I...
3/31/2017PUTNAM INVESTMENT MANAGEMENT LLC  Bought 943.3 Thousand shares of Alexion Pharmaceuticals I...

Top 10 Owners of Alexion Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Fidelity Management & Research Co...11.48%25,775,7953,293,631,085-1,315,069-4.85%
T. Rowe Price Associates, Inc.8.59%19,285,7382,464,331,602-1,801,682-8.54%
The Vanguard Group, Inc.6.44%14,467,4561,848,651,528+433,293+3.09%
BlackRock Fund Advisors5.24%11,766,9861,503,585,471+167,210+1.44%
SSgA Funds Management, Inc.5.03%11,298,6851,443,745,969+718,756+6.79%
Jennison Associates LLC4.29%9,622,9141,229,615,951+1,349,529+16.31%
Baker Bros. Advisors LP2.99%6,710,728857,496,824+166,598+2.55%
Columbia Management Investment Ad...2.51%5,641,808720,910,226+41,686+0.74%
Sands Capital Management LLC2.33%5,235,630669,008,801-349,638-6.26%
OrbiMed Advisors LLC1.65%3,710,986474,189,791+322,600+9.52%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Vanguard Total Stock Market Index...2.14%4,802,628613,679,806+48,287+1.02%
T Rowe Price Growth Stock Fund2.07%4,637,580592,589,972-492,518-9.60%
Fidelity Select Biotechnology Por...2.02%4,529,555578,786,538-236,200-4.96%
Vanguard 500 Index Fund1.54%3,450,967440,964,563+24,578+0.72%
Harbor Capital Appreciation Fund1.40%3,131,510400,144,348-100,491-3.11%
T Rowe Price Blue Chip Growth Fun...1.22%2,732,950349,216,351-152,000-5.27%
Fidelity OTC Portfolio1.17%2,629,489335,996,104-226,000-7.91%
SPDR S&P 500 ETF1.14%2,560,490327,179,412-47,970-1.84%
Vanguard Institutional Index Fund1.10%2,460,769314,437,063+1,682+0.07%
iShares Nasdaq Biotechnology ETF1.09%2,457,253313,987,788-15,224-0.62%