AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC)

Q3 2017 13F Holders as of 9/30/2017

Type / Class
Equity / Common Stock
Shares outstanding
39.4M
Number of holders
44
Total 13F shares, excl. options
5.96M
Shares change
-788K
Total reported value, excl. options
$27.1M
Value change
-$3.63M
Put/Call ratio
0.18
Number of buys
19
Number of sells
-21
Price
$4.54

Significant Holders of AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) as of Q3 2017

67 filings reported holding AMSC - AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock as of Q3 2017.
AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) has 44 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 5.96M shares of 39.4M outstanding shares and own 15.12% of the company stock.
Largest 10 shareholders include ARDSLEY ADVISORY PARTNERS (1.84M shares), AWM Investment Company, Inc. (603K shares), RENAISSANCE TECHNOLOGIES LLC (554K shares), Telemark Asset Management, LLC (544K shares), VANGUARD GROUP INC (518K shares), ROYCE & ASSOCIATES LP (369K shares), BlackRock Inc. (264K shares), MILLENNIUM MANAGEMENT LLC (196K shares), WOLVERINE ASSET MANAGEMENT LLC (182K shares), and BRIDGEWAY CAPITAL MANAGEMENT INC (135K shares).
This table shows the top 44 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
Investor Option Weight % Change % Value $ * Price $ Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.