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ALXN

Alexion Pharmaceuticals, Inc. Institutional Ownership

$102.67
*  
2.64
  negative  
2.64%
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*Delayed - data as of May 21, 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): $18,864
Institutional Ownership: 96.63%
Price (as of 03/31/2013) 100.03

Ownership Summary

Ownership Analysis # of Holders Shares
Total Shares Held: 471 188,579,788
New Positions: 47 2,720,329
Increased Positions: 199 19,155,636
Decreased Positions: 241 18,804,904
Holders With Activity: 440 37,960,540
Sold Out Positions: 63 5,638,456

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.


471 Institutional Holders
188,579,788 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)
JANUS CAPITAL MANAGEMENT LLC 03/31/2013 2,841,027 (1,872,689) (39.73) 284,188
NORTHERN TRUST CORP 03/31/2013 2,737,130 40,263 1.49 273,795
TIAA CREF INVESTMENT MANAGEMENT LLC 03/31/2013 2,699,020 131,518 5.12 269,983
INVESCO LTD. 03/31/2013 2,282,674 (439,953) (16.16) 228,336
ARTISAN PARTNERS LIMITED PARTNERSHIP 03/31/2013 2,089,000 513,800 32.62 208,963
NORGES BANK 12/31/2012 1,518,185 125,905 9.04 151,864
BLACKROCK GROUP LTD 03/31/2013 1,462,496 87,308 6.35 146,293
GEODE CAPITAL MANAGEMENT LLC 03/31/2013 1,301,348 42,353 3.36 130,174
BANK OF AMERICA CORP /DE/ 03/31/2013 1,197,150 51,613 4.51 119,751
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 03/31/2013 1,054,287 (25,370) (2.35) 105,460
WADDELL & REED FINANCIAL INC 03/31/2013 999,101 346,200 53.03 99,940
MANAGED ACCOUNT ADVISORS LLC 03/31/2013 984,025 (48,588) (4.71) 98,432
GOLDMAN SACHS GROUP INC 03/31/2013 912,931 (468,094) (33.9) 91,320
DSM CAPITAL PARTNERS LLC 03/31/2013 882,943 882,943 New 88,321
CITADEL ADVISORS LLC 03/31/2013 840,025 545,271 184.99 84,028