AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC)
CUSIP: 030111207
Q4 2024 13F Holders as of 31 Dec 2024
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 47,657,189
- Total 13F shares
- 27,521,153
- Share change
- +256,728
- Total reported value
- $678,105,741
- Put/Call ratio
- 90%
- Price per share
- $24.63
- Number of holders
- 190
- Value change
- +$7,292,176
- Number of buys
- 106
- Number of sells
- 80
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 |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
5.7%
|
2,720,783
|
$64,210,479 | — | 30 Sep 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.1%
|
2,426,278
|
$57,260,161 | — | 30 Sep 2024 | |
| BAILLIE GIFFORD & CO |
13F
13D/G
|
Company |
4.2%
from 13D/G
|
2,106,395
|
$49,710,922 | — | 30 Sep 2024 | |
| AWM Investment Company, Inc. |
13F
|
Company |
3.6%
|
1,719,067
|
$40,569,981 | — | 30 Sep 2024 | |
| Hood River Capital Management LLC |
13F
|
Company |
3%
|
1,431,940
|
$33,793,784 | — | 30 Sep 2024 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
2.2%
|
1,030,310
|
$24,315,316 | — | 30 Sep 2024 | |
| MACQUARIE GROUP LTD |
13F
|
Company |
2.1%
|
995,566
|
$23,495,000 | — | 30 Sep 2024 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
2%
|
955,174
|
$22,542,106 | — | 30 Sep 2024 | |
| STATE STREET CORP |
13F
|
Company |
1.9%
|
906,250
|
$21,387,500 | — | 30 Sep 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.8%
|
847,412
|
$20,002,641 | — | 30 Sep 2024 | |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.7%
|
798,762
|
$18,850,783 | — | 30 Sep 2024 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
1.4%
|
664,400
|
$15,679,840 | — | 30 Sep 2024 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.3%
|
607,945
|
$14,345,425 | — | 30 Sep 2024 | |
| Telemark Asset Management, LLC |
13F
|
Company |
1.3%
|
600,000
|
$14,160,000 | — | 30 Sep 2024 | |
| Invesco Ltd. |
13F
|
Company |
1.1%
|
538,399
|
$12,706,217 | — | 30 Sep 2024 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.97%
|
464,506
|
$10,962,342 | — | 30 Sep 2024 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
0.91%
|
434,145
|
$10,245,822 | — | 30 Sep 2024 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.89%
|
426,261
|
$10,059,760 | — | 30 Sep 2024 | |
| MORGAN STANLEY |
13F
|
Company |
0.79%
|
377,405
|
$8,906,767 | — | 30 Sep 2024 | |
| Legal & General Group Plc |
13F
|
Company |
0.71%
|
337,207
|
$7,958,085 | — | 30 Sep 2024 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.64%
|
304,528
|
$7,186,861 | — | 30 Sep 2024 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.63%
|
300,986
|
$7,103,269 | — | 30 Sep 2024 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.62%
|
296,057
|
$6,986,946 | — | 30 Sep 2024 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.61%
|
291,245
|
$6,873,382 | — | 30 Sep 2024 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.55%
|
262,199
|
$6,187,896 | — | 30 Sep 2024 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.53%
|
253,413
|
$5,980,546 | — | 30 Sep 2024 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.51%
|
241,126
|
$5,690,573 | — | 30 Sep 2024 | |
| ArrowMark Colorado Holdings LLC |
13F
|
Company |
0.43%
|
205,432
|
$4,848,195 | — | 30 Sep 2024 | |
| SCOUT INVESTMENTS, INC. |
13F
|
Company |
0.42%
|
198,035
|
$4,752,840 | — | 30 Sep 2024 | |
| Andrew Hill Investment Advisors, Inc. |
13F
|
Company |
0.39%
|
187,540
|
$4,425,952 | — | 30 Sep 2024 | |
| Hillsdale Investment Management Inc. |
13F
|
Company |
0.38%
|
182,650
|
$4,310,540 | — | 30 Sep 2024 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.33%
|
158,389
|
$3,737,980 | — | 30 Sep 2024 | |
| ClariVest Asset Management LLC |
13F
|
Company |
0.33%
|
156,560
|
$3,661,938 | — | 30 Sep 2024 | |
| RICE HALL JAMES & ASSOCIATES, LLC |
13F
|
Company |
0.31%
|
147,192
|
$3,473,731 | — | 30 Sep 2024 | |
| Informed Momentum Co LLC |
13F
|
Company |
0.28%
|
133,185
|
$3,143,166 | — | 30 Sep 2024 | |
| Lisanti Capital Growth, LLC |
13F
|
Company |
0.28%
|
131,340
|
$3,099,624 | — | 30 Sep 2024 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.27%
|
130,131
|
$3,071,092 | — | 30 Sep 2024 | |
| Palisades Investment Partners, LLC |
13F
|
Company |
0.27%
|
130,098
|
$3,070,313 | — | 30 Sep 2024 | |
| Legato Capital Management LLC |
13F
|
Company |
0.23%
|
111,952
|
$2,642,067 | — | 30 Sep 2024 | |
| GMT CAPITAL CORP |
13F
|
Company |
0.23%
|
108,066
|
$2,550,358 | — | 30 Sep 2024 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.22%
|
105,215
|
$2,483,075 | — | 30 Sep 2024 | |
| HUSSMAN STRATEGIC ADVISORS, INC. |
13F
|
Company |
0.22%
|
105,000
|
$2,478,000 | — | 30 Sep 2024 | |
| Assenagon Asset Management S.A. |
13F
|
Company |
0.22%
|
103,383
|
$2,439,839 | — | 30 Sep 2024 | |
| ARDSLEY ADVISORY PARTNERS LP |
13F
|
Company |
0.21%
|
100,000
|
$2,360,000 | — | 30 Sep 2024 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.21%
|
99,878
|
$2,357,122 | — | 30 Sep 2024 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.21%
|
99,700
|
$2,352,920 | — | 30 Sep 2024 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.19%
|
92,800
|
$2,190,080 | — | 30 Sep 2024 | |
| ALPS ADVISORS INC |
13F
|
Company |
0.16%
|
78,579
|
$1,854,464 | — | 30 Sep 2024 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.16%
|
78,500
|
$1,852,599 | — | 30 Sep 2024 | |
| CAPITAL FUND MANAGEMENT S.A. |
13F
|
Company |
0.16%
|
77,645
|
$1,832,422 | — | 30 Sep 2024 |
Institutional Holders of AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) as of Q4 2024
As of 31 Dec 2024,
AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) was held by
190 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
27,521,153 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD GROUP INC, BAILLIE GIFFORD & CO, AWM Investment Company, Inc., Hood River Capital Management LLC, MACQUARIE GROUP LTD, Driehaus Capital Management LLC, STATE STREET CORP, Nuveen Asset Management, LLC, and GEODE CAPITAL MANAGEMENT, LLC.
This page lists
190
institutional shareholders reporting positions in this security
for the Q4 2024 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2024 vs Q3 2024 Across Filers
Q3 2024 holders
170
Q4 2024 holders
190
Holder diff
20
| Investor | Q3 2024 Shares | Q4 2024 Shares | Share Diff | Share Chg % | Q3 2024 Value $ | Q4 2024 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.