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ALXN

Alexion Pharmaceuticals, Inc. Institutional Ownership

$102.9
*  
1.08
  negative  
1.06%
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*Delayed - data as of May 17, 2013 
Exchange: NASDAQ
Industry: Consumer Durables
Community Rating:
 
 

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Company Details

Institutional Ownership
Type Value
Total Shares Out Standing (millions): 195
Market Capitalization ($ millions): $19,401
Institutional Ownership: 96.62%
Price (as of 03/31/2013) 102.9

Ownership Summary

Ownership Analysis # of Holders Shares
Total Shares Held: 471 188,543,662
New Positions: 47 2,720,329
Increased Positions: 200 19,165,422
Decreased Positions: 240 18,841,030
Holders With Activity: 440 38,006,452
Sold Out Positions: 64 5,706,817

Institutional Holdings information for ALXN is filed by major institutions on form 13-F with the Securities and Exchange Commission. Learn more about the information on this page in the help area for Institutional Holdings.


440 Activity Institutional Holders
38,006,452 Activity Total Shares Held

Click on the column header links to resort ascending (^) or descending (v).

Owner Name Date Shared Held Change (Shares) Change(%) Value(in 1,000s)
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 03/31/2013 530,089 (8,626) (1.6) 54,546
HEALTHCOR MANAGEMENT, L.P. 03/31/2013 500,000 500,000 New 51,450
SECTORAL ASSET MANAGEMENT INC 03/31/2013 486,408 11,300 2.38 50,051
ALLIANCEBERNSTEIN L.P. 03/31/2013 484,114 920 .19 49,815
ING INVESTMENT MANAGEMENT CO 03/31/2013 462,461 (144,184) (23.77) 47,587
KEYBANK NATIONAL ASSOCIATION/OH 03/31/2013 445,148 (310,661) (41.1) 45,806
BLACKROCK INC. 03/31/2013 444,954 55,383 14.22 45,786
NEW YORK STATE TEACHERS RETIREMENT SYSTEM 03/31/2013 441,400 (11,131) (2.46) 45,420
RENAISSANCE TECHNOLOGIES LLC 03/31/2013 433,300 (34,200) (7.32) 44,587
BLACKROCK INVESTMENT MANAGEMENT, LLC 03/31/2013 408,891 58,366 16.65 42,075
ADAGE CAPITAL PARTNERS GP LLC 03/31/2013 406,288 195,300 92.57 41,807
GUGGENHEIM CAPITAL LLC 03/31/2013 395,591 61,334 18.35 40,706
MITSUBISHI UFJ TRUST & BANKING CORP 03/31/2013 390,954 3,004 .77 40,229
TD ASSET MANAGEMENT INC 03/31/2013 386,579 9,000 2.38 39,779
TEKLA CAPITAL MANAGEMENT LLC 03/31/2013 371,329 41,000 12.41 38,210