American Superconductor Corp

AMSC

Exchange: Nasdaq
Industry: Motors & Generators
SEC CIK: 0000880807

SEC filings (opens in a new tab)

No open-market purchases or sales by American Superconductor Corp insiders were filed in the last 90 days; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.47B in total; no superinvestor holds it.

Q3 2024 vs. Q2 2024

How the institutions holding American Superconductor Corp changed between Q2 2024 and Q3 2024.

All holders in Q3 2024 All holders in Q2 2024

13F holders of AMSC: Q2 2024 compared with Q3 2024
Measure	Q2 2024	Of which not filed for Q3 2024	Q3 2024	Change
Holders	155	1	171	+17
Shares	27.2M	2.54M	27.2M	+2.58M (+10.5%)
Value	$636.1M	$59.5M	$642.6M	+$66.1M (+11.5%)

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (49)

Institutions that held American Superconductor Corp at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to AMSC in Q3 2024
Institution	Shares	Value	% of portfolio
BlackRock, Inc.	2,720,783	$64.2M	0.00%
Macquarie Group Ltd	995,566	$23.5M	0.03%
Allspring Global Investments Holdings, LLC	434,145	$10.2M	0.02%
Scout Investments, Inc.	198,035	$4.75M	0.12%
AQR Capital Management LLC	105,215	$2.48M	0.00%
Capital Fund Management S.A.	77,645	$1.83M	0.02%
Swiss National Bank	72,200	$1.70M	0.00%
UBS Asset Management Americas Inc	60,332	$1.42M	0.00%
Dynamic Technology Lab Private Ltd	51,141	$1.21M	0.13%
Panagora Asset Management Inc	43,401	$1.02M	0.00%
Main Management ETF Advisors, LLC	34,144	$806.0K	0.04%
Franklin Resources Inc	32,815	$781.3K	0.00%
Two Sigma Securities, LLC	24,299	$573.5K	0.05%
Raymond James & Associates	23,889	$563.8K	0.00%
Gotham Asset Management, LLC	22,589	$533.1K	0.01%
Petrus Trust Company, LTA	20,940	$494.2K	0.05%
Sherbrooke Park Advisers LLC	20,867	$492.5K	0.11%
Los Angeles Capital Management LLC	20,569	$485.4K	0.00%
Centiva Capital, LP	19,319	$455.9K	0.02%
Mirae Asset Global ETFs Holdings Ltd.	18,800	$443.7K	0.00%
STRS Ohio	16,600	$391.8K	0.00%
Janus Henderson Group PLC	15,800	$372.6K	0.00%
Precision Wealth Strategies, LLC	12,733	$300.5K	0.28%
ProShare Advisors LLC	12,151	$286.8K	0.00%
Zurcher Kantonalbank (Zurich Cantonalbank)	11,755	$277.4K	0.00%
Caxton Associates LP	10,736	$253.4K	0.01%
Arizona State Retirement System	10,653	$251.4K	0.00%
Proequities, Inc.	9,974	$235.4K	0.01%
Envestnet Asset Management Inc	9,066	$214.0K	0.00%
Cookson Peirce & Co Inc	9,000	$212.4K	0.01%
Janney Montgomery Scott LLC	8,928	$211.0K	0.00%
Dark Forest Capital Management LP	8,772	$207.0K	0.03%
Russell Investments Group, Ltd.	8,652	$204.2K	0.00%
Quest Partners LLC	3,746	$88.4K	0.01%
CWM, LLC	2,396	$57.0K	0.00%
Quarry LP	440	$10.4K	0.00%
Archer Investment Corp	400	$9.44K	0.00%
Catalyst Funds Management Pty Ltd	400	$9.44K	0.00%
Signaturefd, LLC	250	$5.90K	0.00%
Jones Financial Companies LLLP	250	$5.75K	0.00%
Capital Performance Advisors LLP	201	$4.74K	0.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	200	$4.72K	0.00%
Comerica Bank	185	$4.37K	0.00%
True Wealth Design, LLC	127	$3.00K	0.00%
GeoWealth Management, LLC	102	$2.41K	0.00%
Sterling Capital Management LLC	35	$826	0.00%
The PNC Financial Services Group, Inc.	34	$802	0.00%
Allworth Financial LP	15	$354	0.00%
Covestor Ltd	4	$0	0.00%

Sold out (32)

Institutions that held American Superconductor Corp at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of AMSC in Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
Cubist Systematic Strategies, LLC	178,727	$4.18M
Prescott Group Capital Management, L.L.C.	111,091	$2.60M
Voloridge Investment Management, LLC	95,038	$2.22M
Susquehanna International Group, LLP	57,842	$1.35M
Arrowstreet Capital, Limited Partnership	57,014	$1.33M
Tudor Investment Corp Et Al	48,276	$1.13M
Laurion Capital Management LP	38,206	$893.6K
Raymond James Financial Services Advisors, Inc.	37,318	$872.9K
Alpine Global Management, LLC	32,327	$756.1K
Jump Financial, LLC	32,300	$755.5K
Semanteon Capital Management, LP	27,114	$634.2K
Corton Capital Inc.	25,760	$602.5K
Cetera Investment Advisers	20,677	$483.6K
Point72 Asset Management, L.P.	20,490	$479.3K
Quantbot Technologies LP	20,399	$477.1K
Schonfeld Strategic Advisors LLC	20,100	$470.1K
Occudo Quantitative Strategies LP	18,117	$423.8K
Bayesian Capital Management, LP	13,300	$311.1K
Campbell & CO Investment Adviser LLC	12,408	$290.2K
Kestra Advisory Services, LLC	9,799	$229.2K
Joule Financial, LLC	9,654	$225.8K
Fox Run Management, L.L.C.	9,570	$223.8K
Verition Fund Management LLC	9,496	$222.1K
M Holdings Securities, Inc.	9,000	$211.0K
Bank of Montreal	7,893	$205.8K
Steward Partners Investment Advisory, LLC	3,000	$70.2K
nVerses Capital, LLC	1,800	$42.1K
EntryPoint Capital, LLC	1,365	$31.9K
US Bancorp	1,000	$23.4K
Family Firm, Inc.	731	$17.1K
Wetzel Investment Advisors, Inc.	500	$6.75K
Tucker Asset Management LLC	130	$3.04K

Not filed for Q3 2024 yet (1)

Institutions that held American Superconductor Corp at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMSC in Q2 2024 that haven't filed for Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
BlackRock Inc.	2,544,019	$59.5M