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

CUSIP: 030111207

Q3 2015 13F Holders as of 30 Sep 2015

Type / Class
Equity / Common Stock
Shares outstanding
47,694,720
Total 13F shares
2,774,552
Share change
+90,618
Total reported value
$12,034,009
Put/Call ratio
35%
Price per share
$4.33
Number of holders
37
Value change
+$392,286
Number of buys
5
Number of sells
2

Quarterly Holders Quick Answers

What is CUSIP 030111207?
CUSIP 030111207 identifies AMSC - AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Top shareholders of AMSC - AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
AWM Investment Company, Inc.
13F
Company
2.6%
1,250,000
$6,537,000 30 Jun 2015
13F
VANGUARD GROUP INC
13F
Company
0.76%
361,044
$1,888,000 30 Jun 2015
13F
BlackRock Institutional Trust Company, N.A.
13F
Company
0.4%
190,786
$998,000 30 Jun 2015
13F
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
13F
Company
0.39%
184,375
$964,000 30 Jun 2015
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.38%
181,488
$949,000 30 Jun 2015
13F
JACOBS LEVY EQUITY MANAGEMENT, INC
13F
Company
0.17%
82,017
$429,000 30 Jun 2015
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
0.14%
65,045
$340,000 30 Jun 2015
13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM
13F
Company
0.1%
48,770
$255,000 30 Jun 2015
13F
IRONWOOD INVESTMENT MANAGEMENT LLC
13F
Company
0.09%
44,396
$232,000 30 Jun 2015
13F
GMT CAPITAL CORP
13F
Company
0.09%
41,465
$217,000 30 Jun 2015
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.08%
37,100
$194,000 30 Jun 2015
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.06%
28,824
$151,000 30 Jun 2015
13F
BlackRock Fund Advisors
13F
Company
0.05%
25,153
$132,000 30 Jun 2015
13F
RUSSELL FRANK CO/
13F
Company
0.05%
24,489
$128,000 30 Jun 2015
13F
TFS CAPITAL LLC
13F
Company
0.05%
23,999
$126,000 30 Jun 2015
13F
SCOPIA CAPITAL MANAGEMENT LP
13F
Company
0.04%
19,610
$103,000 30 Jun 2015
13F
CONDOR CAPITAL MANAGEMENT
13F
Company
0.04%
19,491
$102,000 30 Jun 2015
13F
UBS Group AG
13F
Company
0.04%
17,467
$91,000 30 Jun 2015
13F
CITADEL ADVISORS LLC
13F
Company
0.03%
16,442
$86,000 30 Jun 2015
13F
FIRST MANHATTAN CO. LLC.
13F
Company
0.03%
15,619
$81,000 30 Jun 2015
13F
GROUP ONE TRADING LLC
13F
Company
0.03%
14,652
$77,000 30 Jun 2015
13F
Concourse Capital Management, LLC
13F
Company
0.03%
12,942
$68,000 30 Jun 2015
13F
NORTHERN TRUST CORP
13F
Company
0.03%
12,786
$67,000 30 Jun 2015
13F
D. E. Shaw & Co., Inc.
13F
Company
0.02%
11,695
$61,000 30 Jun 2015
13F
KBC Group NV
13F
Company
0.02%
10,063
$53,000 30 Jun 2015
13F
Amici Capital, LLC
13F
Company
0.02%
8,760
$46,000 30 Jun 2015
13F
BARCLAYS PLC
13F
Company
0.01%
4,808
$24,000 30 Jun 2015
13F
MORGAN STANLEY
13F
Company
0.01%
4,020
$21,000 30 Jun 2015
13F
BlackRock Investment Management, LLC
13F
Company
0%
1,959
$10,000 30 Jun 2015
13F
Zurcher Kantonalbank (Zurich Cantonalbank)
13F
Company
0%
1,800
$9,000 30 Jun 2015
13F
DEUTSCHE BANK AG\
13F
Company
0%
1,027
$5,000 30 Jun 2015
13F
Tower Research Capital LLC (TRC)
13F
Company
0%
997
$5,000 30 Jun 2015
13F
BANK OF AMERICA CORP /DE/
13F
Company
0%
858
$4,000 30 Jun 2015
13F
LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA
13F
Company
0%
697
$4,000 30 Jun 2015
13F
AMERICAN INTERNATIONAL GROUP, INC.
13F
Company
0%
645
$3,374 30 Jun 2015
13F
SIMPLEX TRADING, LLC
13F
Company
0%
376
$1,000 30 Jun 2015
13F
B. Riley Wealth Management, Inc.
13F
Company
0%
370
$1,000 30 Jun 2015
13F
US BANCORP \DE\
13F
Company
0%
278
$1,000 30 Jun 2015
13F
Capital Advisors, Ltd. LLC
13F
Company
0%
263
$1,000 30 Jun 2015
13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F
Company
0%
228
$1,000 30 Jun 2015
13F
MUFG Americas Holdings Corp
13F
Company
0%
200
$1,000 30 Jun 2015
13F
PNC FINANCIAL SERVICES GROUP, INC.
13F
Company
0%
150
$1,000 30 Jun 2015
13F
Vigilant Capital Management, LLC
13F
Company
class O/S missing
126
$1,000 30 Jun 2015
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
0%
2
$10 30 Jun 2015
13F

Institutional Holders of AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) as of Q3 2015

As of 30 Sep 2015, AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) was held by 37 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 2,774,552 shares. The largest 10 holders included AWM Investment Company, Inc., VANGUARD GROUP INC, RENAISSANCE TECHNOLOGIES LLC, BlackRock Institutional Trust Company, N.A., GEODE CAPITAL MANAGEMENT, LLC, Bank of New York Mellon Corp, GMT CAPITAL CORP, CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM, BlackRock Fund Advisors, and IRONWOOD INVESTMENT MANAGEMENT LLC. This page lists 37 institutional shareholders reporting positions in this security for the Q3 2015 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q3 2015 vs Q2 2015 Across Filers

Q2 2015 holders
8
Q3 2015 holders
37
Holder diff
29
Investor Q2 2015 Shares Q3 2015 Shares Share Diff Share Chg % Q2 2015 Value $ Q3 2015 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* 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.
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