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ALNY

Alnylam Pharmaceuticals, Inc. Institutional Ownership

$27.44
*  
0.23
  negative  
0.85%
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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): 62
Market Capitalization ($ millions): $1,300
Institutional Ownership: 76.21%
Price (as of 03/31/2013) 27.44

Ownership Summary

Ownership Analysis # of Holders Shares
Total Shares Held: 139 47,378,784
New Positions: 29 6,272,128
Increased Positions: 92 13,417,753
Decreased Positions: 31 2,860,145
Holders With Activity: 123 16,277,898
Sold Out Positions: 9 199,338

Institutional Holdings information for ALNY 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.


123 Activity Institutional Holders
16,277,898 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)
BANK OF NEW YORK MELLON CORP 03/31/2013 796,124 62,164 8.47 21,846
NORTHERN TRUST CORP 03/31/2013 774,672 85,755 12.45 21,257
SAC CAPITAL ADVISORS LP 03/31/2013 744,873 56,716 8.24 20,439
CITADEL ADVISORS LLC 03/31/2013 725,620 24,378 3.48 19,911
AMERIPRISE FINANCIAL INC 03/31/2013 687,801 633,100 1,157.38 18,873
COLUMBUS CIRCLE INVESTORS 03/31/2013 588,320 588,320 New 16,144
ABINGWORTH LLP 03/31/2013 514,053 (600,000) (53.86) 14,106
DRIEHAUS CAPITAL MANAGEMENT LLC 03/31/2013 391,791 23,178 6.29 10,751
EMERALD ADVISERS INC/PA 03/31/2013 308,344 (259,137) (45.66) 8,461
WELLS FARGO & COMPANY/MN 03/31/2013 297,628 11,196 3.91 8,167
POLAR CAPITAL LLP 03/31/2013 295,000 295,000 New 8,095
D. E. SHAW & CO., INC. 03/31/2013 292,766 179,673 158.87 8,033
BLACKROCK GROUP LTD 03/31/2013 285,947 209,573 274.40 7,846
EATON VANCE MANAGEMENT 03/31/2013 266,899 4,967 1.90 7,324
GOLDMAN SACHS GROUP INC 03/31/2013 237,877 48,052 25.31 6,527