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American Superconductor Corporation (AMSC)

-NasdaqGS
1.76 Down 0.03(1.40%) Aug 28, 4:00PM EDT
Major HoldersGet Major Holders for:
Breakdown
% of Shares Held by All Insider and 5% Owners:28%
% of Shares Held by Institutional & Mutual Fund Owners:25%
% of Float Held by Institutional & Mutual Fund Owners:35%
Number of Institutions Holding Shares:113

Major Direct Holders (Forms 3 & 4)
HolderSharesReported
DOUGLAS KEVIN5,705,331Feb 13, 2013
MAGUIRE JAMES F571,756Aug 1, 2014
HENRY DAVID A534,133Aug 1, 2014
MCGAHN DANIEL P438,698Jul 31, 2014
BUDHRAJA VIKRAM S61,000Apr 1, 2014


Top Institutional Holders
HolderShares% OutValue*Reported
Vanguard Group, Inc. (The)1,738,0522.092,833,024Jun 30, 2014
BlackRock Institutional Trust Company, N.A.1,487,6701.792,424,902Jun 30, 2014
Prescott Group Capital Management, L.L.C.979,0551.181,595,859Jun 30, 2014
Potomac Capital Management, Inc.725,2000.871,182,076Jun 30, 2014
Ironwood Investment Management, LLC665,6450.801,085,001Jun 30, 2014
Invesco Ltd.653,9090.791,065,871Jun 30, 2014
Northern Trust Corporation531,2610.64865,955Jun 30, 2014
Dimensional Fund Advisors LP447,7120.54729,770Jun 30, 2014
Goldman Sachs Group, Inc.437,4590.53713,058Jun 30, 2014
CALPERS (California-Public Employees Retirement System)427,0000.51696,010Jun 30, 2014

Top Mutual Fund Holders
HolderShares% OutValue*Reported
Vanguard Total Stock Market Index Fund789,4470.951,271,009Mar 31, 2014
PowerShares Exchange Traded Funds Tr-PwrShs Wilderhill Clean598,7930.72838,310May 31, 2014
Vanguard Extended Market Index Fund485,5650.58781,759Mar 31, 2014
Vanguard Institutional Index-Inst Total Stock Market Ind282,5980.34454,982Mar 31, 2014
Northern Lights Fd Tr III-Footprints Discover Value Fd271,2520.33436,715Mar 31, 2014
Spartan Extended Market Index Fund173,0590.21242,282May 31, 2014
TFS Capital Investment Tr-Tfs Market Neutral Fund154,3800.19197,606Apr 30, 2014
College Retirement Equities Fund-Stock Account137,1920.16220,879Mar 31, 2014
iShares Micro Cap ETF136,1690.16221,955Jun 30, 2014
Spartan Total Market Index Fund126,7710.15177,479May 31, 2014

View Transactions for Insiders & Institutional Holders

Value shown is computed using the security's price on the report date given.

Currency in USD.