AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC)
CUSIP: 030111207
Q3 2017 13F Holders as of 30 Sep 2017
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 47,694,720
- Total 13F shares
- 5,962,544
- Share change
- -788,001
- Total reported value
- $27,066,014
- Put/Call ratio
- 18%
- Price per share
- $4.54
- Number of holders
- 44
- Value change
- -$3,626,838
- Number of buys
- 19
- Number of sells
- 22
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.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 030111207:
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 |
3.2%
|
1,519,124
|
$7,018,000 | — | 30 Jun 2017 | |
| ARDSLEY ADVISORY PARTNERS LP |
13F
|
Company |
2.9%
|
1,390,000
|
$6,436,000 | — | 30 Jun 2017 | |
| Telemark Asset Management, LLC |
13F
|
Company |
1.1%
|
544,044
|
$2,513,000 | — | 30 Jun 2017 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1%
|
486,188
|
$2,246,000 | — | 30 Jun 2017 | |
| VANGUARD GROUP INC |
13F
|
Company |
0.81%
|
387,582
|
$1,791,000 | — | 30 Jun 2017 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
0.77%
|
369,300
|
$1,706,000 | — | 30 Jun 2017 | |
| Manatuck Hill Partners, LLC |
13F
|
Company |
0.73%
|
350,000
|
$1,617,000 | — | 30 Jun 2017 | |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. |
13F
|
Company |
0.51%
|
242,500
|
$1,120,000 | — | 30 Jun 2017 | |
| BlackRock Finance, Inc. |
13F
|
Company |
0.49%
|
232,225
|
$1,073,000 | — | 30 Jun 2017 | |
| WOLVERINE ASSET MANAGEMENT LLC |
13F
|
Company |
0.44%
|
210,423
|
$972,000 | — | 30 Jun 2017 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.33%
|
155,619
|
$719,000 | — | 30 Jun 2017 | |
| Invesco Ltd. |
13F
|
Company |
0.24%
|
114,030
|
$527,000 | — | 30 Jun 2017 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.2%
|
94,318
|
$435,000 | — | 30 Jun 2017 | |
| ELEMENT CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.12%
|
58,055
|
$268,000 | — | 30 Jun 2017 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.12%
|
56,955
|
$263,000 | — | 30 Jun 2017 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.09%
|
45,100
|
$208,000 | — | 30 Jun 2017 | |
| Nationwide Fund Advisors |
13F
|
Company |
0.09%
|
43,045
|
$199,000 | — | 30 Jun 2017 | |
| Paloma Partners Management Co |
13F
|
Company |
0.09%
|
42,900
|
$198,000 | — | 30 Jun 2017 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.08%
|
37,496
|
$173,000 | — | 30 Jun 2017 | |
| LMR Partners LLP |
13F
|
Company |
0.08%
|
36,635
|
$169,000 | — | 30 Jun 2017 | |
| FIRST MANHATTAN CO. LLC. |
13F
|
Company |
0.07%
|
34,019
|
$157,000 | — | 30 Jun 2017 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.06%
|
28,057
|
$130,000 | — | 30 Jun 2017 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.06%
|
26,904
|
$125,000 | — | 30 Jun 2017 | |
| BARCLAYS PLC |
13F
|
Company |
0.05%
|
25,561
|
$118,000 | — | 30 Jun 2017 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.05%
|
22,580
|
$104,000 | — | 30 Jun 2017 | |
| CREDIT SUISSE AG/ |
13F
|
Company |
0.05%
|
22,288
|
$103,000 | — | 30 Jun 2017 | |
| UBS Group AG |
13F
|
Company |
0.04%
|
20,122
|
$93,000 | — | 30 Jun 2017 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.04%
|
19,903
|
$92,000 | — | 30 Jun 2017 | |
| SCOPIA CAPITAL MANAGEMENT LP |
13F
|
Company |
0.04%
|
19,610
|
$91,000 | — | 30 Jun 2017 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.04%
|
18,149
|
$83,000 | — | 30 Jun 2017 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.03%
|
13,799
|
$64,000 | — | 30 Jun 2017 | |
| MORGAN STANLEY |
13F
|
Company |
0.03%
|
13,160
|
$61,000 | — | 30 Jun 2017 | |
| RAYMOND JAMES & ASSOCIATES |
13F
|
Company |
0.03%
|
12,980
|
$60,000 | — | 30 Jun 2017 | |
| Concourse Capital Management, LLC |
13F
|
Company |
0.03%
|
12,943
|
$60,000 | — | 30 Jun 2017 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.02%
|
11,845
|
$55,000 | — | 30 Jun 2017 | |
| Alambic Investment Management, L.P. |
13F
|
Company |
0.02%
|
11,100
|
$51,000 | — | 30 Jun 2017 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.02%
|
10,311
|
$48,000 | — | 30 Jun 2017 | |
| LADENBURG THALMANN FINANCIAL SERVICES INC. |
13F
|
Company |
0.01%
|
2,750
|
$13,000 | — | 30 Jun 2017 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.01%
|
2,496
|
$12,000 | — | 30 Jun 2017 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0%
|
1,275
|
$5,000 | — | 30 Jun 2017 | |
| Advisory Services Network, LLC |
13F
|
Company |
0%
|
1,100
|
$5,000 | — | 30 Jun 2017 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0%
|
1,023
|
$4,000 | — | 30 Jun 2017 | |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO |
13F
|
Company |
0%
|
951
|
$4,000 | — | 30 Jun 2017 | |
| GROUP ONE TRADING LLC |
13F
|
Company |
0%
|
711
|
$3,000 | — | 30 Jun 2017 | |
| LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA |
13F
|
Company |
0%
|
697
|
$2,000 | — | 30 Jun 2017 | |
| Cutler Group LLC / CA |
13F
|
Company |
0%
|
500
|
$2,000 | — | 30 Jun 2017 | |
| Genovese Burford & Brothers Wealth & Retirement Plan Management, LLC |
13F
|
Company |
0%
|
500
|
$2,000 | — | 30 Jun 2017 | |
| Capital Advisors, Ltd. LLC |
13F
|
Company |
0%
|
263
|
$1,000 | — | 30 Jun 2017 | |
| PNC FINANCIAL SERVICES GROUP, INC. |
13F
|
Company |
0%
|
150
|
$1,000 | — | 30 Jun 2017 | |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE |
13F
|
Company |
0%
|
137
|
$1,000 | — | 30 Jun 2017 |
Institutional Holders of AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) as of Q3 2017
As of 30 Sep 2017,
AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) was held by
44 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
5,962,544 shares.
The largest 10 holders included
ARDSLEY ADVISORY PARTNERS, AWM Investment Company, Inc., RENAISSANCE TECHNOLOGIES LLC, Telemark Asset Management, LLC, VANGUARD GROUP INC, ROYCE & ASSOCIATES LP, BlackRock Inc., MILLENNIUM MANAGEMENT LLC, WOLVERINE ASSET MANAGEMENT LLC, and BRIDGEWAY CAPITAL MANAGEMENT INC.
This page lists
44
institutional shareholders reporting positions in this security
for the Q3 2017 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2017 vs Q2 2017 Across Filers
Q2 2017 holders
50
Q3 2017 holders
44
Holder diff
-6
| Investor | Q2 2017 Shares | Q3 2017 Shares | Share Diff | Share Chg % | Q2 2017 Value $ | Q3 2017 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.