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

CUSIP: 030111207

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class
Equity / Common Stock
Shares outstanding
47,657,189
Total 13F shares
5,080,052
Share change
-210,495
Total reported value
$29,559,017
Put/Call ratio
70%
Price per share
$5.82
Number of holders
49
Value change
-$388,303
Number of buys
21
Number of sells
21

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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?
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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
2.4%
1,151,252
$4,179,000 31 Dec 2017
13F
VANGUARD GROUP INC
13F
Company
1.2%
557,987
$2,026,000 31 Dec 2017
13F
Telemark Asset Management, LLC
13F
Company
1.1%
544,044
$1,975,000 31 Dec 2017
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
1.1%
508,588
$1,846,000 31 Dec 2017
13F
ROYCE & ASSOCIATES LP
13F
Company
0.77%
369,300
$1,341,000 31 Dec 2017
13F
ARDSLEY ADVISORY PARTNERS LP
13F
Company
0.66%
314,377
$1,141,000 31 Dec 2017
13F
BlackRock Finance, Inc.
13F
Company
0.56%
266,047
$966,000 31 Dec 2017
13F
WOLVERINE ASSET MANAGEMENT LLC
13F
Company
0.5%
237,369
$861,000 31 Dec 2017
13F
Invesco Ltd.
13F
Company
0.34%
160,773
$584,000 31 Dec 2017
13F
JACOBS LEVY EQUITY MANAGEMENT, INC
13F
Company
0.25%
117,522
$427,000 31 Dec 2017
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
0.24%
112,226
$407,000 31 Dec 2017
13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
0.23%
110,100
$400,000 31 Dec 2017
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
0.2%
94,318
$342,000 31 Dec 2017
13F
Anson Funds Management LP
13F
Company
0.19%
88,531
$321,000 31 Dec 2017
13F
SIMPLEX TRADING, LLC
13F
Company
0.17%
83,094
$301,000 31 Dec 2017
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.15%
69,175
$251,000 31 Dec 2017
13F
WEDBUSH SECURITIES INC
13F
Company
0.12%
57,660
$209,000 31 Dec 2017
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
0.12%
56,273
$204,000 31 Dec 2017
13F
D. E. Shaw & Co., Inc.
13F
Company
0.11%
54,074
$196,000 31 Dec 2017
13F
NORTHERN TRUST CORP
13F
Company
0.09%
42,669
$155,000 31 Dec 2017
13F
FIRST MANHATTAN CO. LLC.
13F
Company
0.07%
34,369
$124,000 31 Dec 2017
13F
Bank of New York Mellon Corp
13F
Company
0.07%
33,010
$120,000 31 Dec 2017
13F
Russell Investments Group, Ltd.
13F
Company
0.06%
27,499
$102,000 31 Dec 2017
13F
CITADEL ADVISORS LLC
13F
Company
0.05%
25,418
$92,000 31 Dec 2017
13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM
13F
Company
0.05%
22,580
$82,000 31 Dec 2017
13F
UBS Group AG
13F
Company
0.04%
19,944
$72,000 31 Dec 2017
13F
Summit Trail Advisors, LLC
13F
Company
0.04%
17,681
$64,000 31 Dec 2017
13F
WELLS FARGO & COMPANY/MN
13F
Company
0.04%
17,319
$63,000 31 Dec 2017
13F
BARCLAYS PLC
13F
Company
0.03%
15,440
$56,000 31 Dec 2017
13F
MORGAN STANLEY
13F
Company
0.03%
14,587
$52,000 31 Dec 2017
13F
RAYMOND JAMES & ASSOCIATES
13F
Company
0.03%
12,547
$46,000 31 Dec 2017
13F
PEAK6 Group LLC
13F
Company
0.03%
12,533
$45,000 31 Dec 2017
13F
BRANDES INVESTMENT PARTNERS, LP
13F
Company
0.03%
12,500
$45,000 31 Dec 2017
13F
GROUP ONE TRADING LLC
13F
Company
0.02%
11,778
$43,000 31 Dec 2017
13F
Stone Ridge Asset Management LLC
13F
Company
0.02%
11,719
$43,000 31 Dec 2017
13F
JPMORGAN CHASE & CO
13F
Company
0.02%
7,717
$28,000 31 Dec 2017
13F
Zurcher Kantonalbank (Zurich Cantonalbank)
13F
Company
0.01%
5,735
$21,000 31 Dec 2017
13F
LADENBURG THALMANN FINANCIAL SERVICES INC.
13F
Company
0.01%
2,750
$10,000 31 Dec 2017
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.01%
2,531
$9,000 31 Dec 2017
13F
DEUTSCHE BANK AG\
13F
Company
0%
1,531
$5,000 31 Dec 2017
13F
Advisory Services Network, LLC
13F
Company
0%
1,100
$4,000 31 Dec 2017
13F
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
13F
Company
0%
951
$3,000 31 Dec 2017
13F
LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA
13F
Company
0%
697
$3,000 31 Dec 2017
13F
Genovese Burford & Brothers Wealth & Retirement Plan Management, LLC
13F
Company
0%
500
$3,000 31 Dec 2017
13F
CIBC Private Wealth Group LLC
13F
Company
0%
450
$2,000 31 Dec 2017
13F
Cutler Group LLC / CA
13F
Company
0%
487
$1,000 31 Dec 2017
13F
Tower Research Capital LLC (TRC)
13F
Company
0%
363
$1,000 31 Dec 2017
13F
Capital Advisors, Ltd. LLC
13F
Company
0%
263
$1,000 31 Dec 2017
13F
Advisor Group, Inc.
13F
Company
0%
147
$1,000 31 Dec 2017
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
0%
3
$11 31 Dec 2017
13F

Institutional Holders of AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) as of Q1 2018

As of 31 Mar 2018, AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) was held by 49 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 5,080,052 shares. The largest 10 holders included AWM Investment Company, Inc., VANGUARD GROUP INC, Telemark Asset Management, LLC, ROYCE & ASSOCIATES LP, RENAISSANCE TECHNOLOGIES LLC, MILLENNIUM MANAGEMENT LLC, BlackRock Inc., WOLVERINE ASSET MANAGEMENT LLC, ARDSLEY ADVISORY PARTNERS, and BRIDGEWAY CAPITAL MANAGEMENT INC. This page lists 49 institutional shareholders reporting positions in this security for the Q1 2018 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders
46
Q1 2018 holders
49
Holder diff
3
Investor Q4 2017 Shares Q1 2018 Shares Share Diff Share Chg % Q4 2017 Value $ Q1 2018 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.