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AMSC

American Superconductor Corporation Institutional Ownership

$2.68
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*Delayed - data as of May 24, 2013 
Exchange: NASDAQ
Industry: Consumer Durables
Community Rating:
 
 

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Company Details

Institutional Ownership
Type Value
Total Shares Out Standing (millions): 58
Market Capitalization ($ millions): $40
Institutional Ownership: 26.02%
Price (as of 03/31/2013) 2.68

Ownership Summary

Ownership Analysis # of Holders Shares
Total Shares Held: 105 14,973,024
New Positions: 16 723,904
Increased Positions: 37 1,373,974
Decreased Positions: 44 2,226,471
Holders With Activity: 81 3,600,445
Sold Out Positions: 8 317,661

Institutional Holdings information for AMSC 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.


105 Institutional Holders
14,973,024 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 218,302 (3,042) (1.37) 585
TIAA CREF INVESTMENT MANAGEMENT LLC 03/31/2013 182,656 0 0.00 490
BLACKROCK GROUP LTD 03/31/2013 168,223 (3,100) (1.81) 451
SHINKO ASSET MANAGEMENT CO., LTD. 03/31/2013 165,900 (22,800) (12.08) 445
FIRST MANHATTAN CO 03/31/2013 139,400 10,000 7.73 374
PDT PARTNERS, LLC 03/31/2013 131,200 131,200 New 352
ROCKEFELLER FINANCIAL SERVICES INC 03/31/2013 131,000 0 0.00 351
BLACKROCK INVESTMENT MANAGEMENT, LLC 03/31/2013 129,438 (1,189) (0.91) 347
SSI INVESTMENT MANAGEMENT INC 03/31/2013 128,520 40,160 45.45 344
BRYN MAWR CAPITAL MANAGEMENT INC 03/31/2013 127,990 127,990 New 343
RENAISSANCE TECHNOLOGIES LLC 03/31/2013 125,500 5,298 4.41 336
GOLDMAN SACHS GROUP INC 03/31/2013 122,967 (28,479) (18.81) 330
PARAMETRIC PORTFOLIO ASSOCIATES LLC 03/31/2013 114,512 (1,142) (0.99) 307
FIRST TRUST ADVISORS LP 03/31/2013 100,495 (48,422) (32.52) 269
JPMORGAN CHASE & CO 03/31/2013 100,202 27,865 38.52 269