American Superconductor (AMSC) Institutional Ownership

$19.59

+1.17 (+6.35%)

(As of 02:14 PM ET)

Current Institutional Ownership Percentage: 52.28%
Number of Institutional Buyers (last 12 months): 45
Total Institutional Inflows (last 12 months): $108.09M

Number of Institutional Sellers (last 12 months): 21
Total Institutional Outflows (last 12 months): $22.33M

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AMSC Institutional Buying and Selling by Quarter

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American Superconductor Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/19/2024	Point72 Asset Management L.P.	20,490	$479K	0.0%	+453.8%	0.055%
8/16/2024	Driehaus Capital Management LLC	921,998	$21.57M	0.2%	-1.1%	2.492%
8/15/2024	The Manufacturers Life Insurance Company	13,123	$307K	0.0%	N/A	0.035%
8/15/2024	Millennium Management LLC	374,848	$8.77M	0.0%	-25.0%	1.013%
8/14/2024	Cubist Systematic Strategies LLC	178,727	$4.18M	0.0%	-24.3%	0.483%
8/14/2024	Hood River Capital Management LLC	1,735,014	$40.58M	0.8%	+7.2%	4.689%
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8/13/2024	Sei Investments Co.	24,048	$562K	0.0%	N/A	0.065%
8/13/2024	Canada Pension Plan Investment Board	4,100	$96K	0.0%	N/A	0.011%
8/12/2024	Hsbc Holdings PLC	13,444	$313K	0.0%	N/A	0.036%
8/12/2024	Amalgamated Bank	1,181	$28K	0.0%	N/A	0.003%
8/9/2024	Renaissance Technologies LLC	187,989	$4.40M	0.0%	+65.6%	0.508%
8/9/2024	Dimensional Fund Advisors LP	532,216	$12.45M	0.0%	-8.3%	1.438%
8/8/2024	Rice Hall James & Associates LLC	148,288	$3.47M	0.2%	N/A	0.401%
8/7/2024	ClariVest Asset Management LLC	156,560	$3.66M	0.4%	+79.4%	0.423%
8/6/2024	Acadian Asset Management LLC	124,488	$2.91M	0.0%	+158.2%	0.336%
8/1/2024	Rhumbline Advisers	46,276	$1.08M	0.0%	+3,234.0%	0.125%
8/1/2024	Hussman Strategic Advisors Inc.	126,000	$2.95M	0.8%	+20.0%	0.341%
8/1/2024	Lisanti Capital Growth LLC	62,495	$1.46M	0.4%	N/A	0.169%
7/31/2024	nVerses Capital LLC	1,800	$42K	0.0%	N/A	0.005%
7/26/2024	Cambridge Investment Research Advisors Inc.	42,033	$983K	0.0%	-7.3%	0.114%
7/26/2024	Legato Capital Management LLC	98,787	$2.31M	0.3%	+10.2%	0.267%
7/26/2024	Bailard Inc.	12,938	$303K	0.0%	-42.3%	0.035%
7/26/2024	Bank of New York Mellon Corp	122,239	$2.86M	0.0%	+524.1%	0.330%
7/25/2024	Baillie Gifford & Co.	2,214,083	$51.79M	0.0%	-12.4%	5.984%
7/23/2024	Joule Financial LLC	9,654	$226K	0.6%	-53.2%	0.026%
7/22/2024	Harel Insurance Investments & Financial Services Ltd.	13,152	$308K	0.0%	-42.6%	0.036%
7/18/2024	Assenagon Asset Management S.A.	1,057,064	$24.73M	0.1%	+643.4%	2.857%
7/15/2024	Andrew Hill Investment Advisors Inc.	110,107	$2.58M	2.1%	-5.3%	0.298%
7/12/2024	SG Americas Securities LLC	115,615	$2.70M	0.0%	N/A	0.312%
5/20/2024	Virtu Financial LLC	11,284	$152K	0.0%	N/A	0.037%
5/16/2024	AWM Investment Company Inc.	2,661,319	$35.95M	4.7%	+19.4%	8.658%
5/15/2024	Hood River Capital Management LLC	1,618,807	$21.87M	0.5%	N/A	5.266%
5/15/2024	Quadrature Capital Ltd	15,066	$203K	0.0%	N/A	0.049%
5/14/2024	CM Management LLC	250,000	$3.38M	2.8%	+28.2%	0.813%
5/14/2024	Healthcare of Ontario Pension Plan Trust Fund	38,318	$518K	0.0%	+36.3%	0.125%
5/11/2024	Hillsdale Investment Management Inc.	11,300	$153K	0.0%	N/A	0.037%
5/10/2024	Acadian Asset Management LLC	48,218	$649K	0.0%	+92.5%	0.157%
5/10/2024	Vanguard Group Inc.	1,698,934	$22.95M	0.0%	+30.5%	5.528%
5/7/2024	ClariVest Asset Management LLC	87,257	$1.18M	0.1%	N/A	0.284%
5/7/2024	Oppenheimer & Co. Inc.	12,200	$165K	0.0%	-39.6%	0.040%
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5/3/2024	Essex Investment Management Co. LLC	583,924	$7.89M	1.6%	-6.4%	1.900%
5/2/2024	Hussman Strategic Advisors Inc.	105,000	$1.42M	0.3%	N/A	0.342%
5/1/2024	Baillie Gifford & Co.	2,526,550	$34.13M	0.0%	+21.1%	8.219%
4/30/2024	Harel Insurance Investments & Financial Services Ltd.	22,924	$310K	0.0%	-12.9%	0.075%
4/24/2024	Assenagon Asset Management S.A.	142,192	$1.92M	0.0%	+459.7%	0.463%
4/17/2024	Cannon Global Investment Management LLC	25,500	$345K	0.9%	N/A	0.083%
4/15/2024	GoalVest Advisory LLC	29,930	$404K	0.1%	N/A	0.097%
2/9/2024	Trexquant Investment LP	111,825	$1.25M	0.0%	-34.6%	0.364%
2/8/2024	Mitsubishi UFJ Asset Management Co. Ltd.	40,333	$440K	0.0%	N/A	0.131%
2/8/2024	Essex Investment Management Co. LLC	624,018	$6.95M	1.4%	-11.0%	2.030%
2/8/2024	Psagot Value Holdings Ltd. Israel	2,917	$33K	0.0%	N/A	0.009%
2/7/2024	Jump Financial LLC	55,409	$617K	0.0%	-35.0%	0.180%
2/6/2024	AJOVista LLC	6,221	$69K	0.1%	N/A	0.020%
2/6/2024	Merit Financial Group LLC	82,389	$918K	0.0%	+5.8%	0.268%
2/2/2024	Bailard Inc.	22,200	$247K	0.0%	N/A	0.072%
2/2/2024	Atria Wealth Solutions Inc.	14,469	$161K	0.0%	+18.8%	0.047%
1/30/2024	Harel Insurance Investments & Financial Services Ltd.	26,312	$293K	0.0%	N/A	0.086%
1/26/2024	Baillie Gifford & Co.	2,086,279	$23.24M	0.0%	+39.9%	6.881%
1/17/2024	Assenagon Asset Management S.A.	25,406	$283K	0.0%	-48.3%	0.084%
1/12/2024	GPS Wealth Strategies Group LLC	10,652	$119K	0.0%	-39.1%	0.035%
1/11/2024	Joule Financial LLC	20,621	$230K	0.1%	-6.5%	0.068%
12/6/2023	Citigroup Inc.	12,141	$92K	0.0%	N/A	0.040%
11/15/2023	GSA Capital Partners LLP	118,875	$898K	0.1%	-36.7%	0.392%
11/14/2023	AWM Investment Company Inc.	1,854,241	$14M	2.1%	-16.8%	6.116%
11/14/2023	Trexquant Investment LP	170,880	$1.29M	0.0%	N/A	0.564%
11/13/2023	Connor Clark & Lunn Investment Management Ltd.	122,120	$922K	0.0%	+172.5%	0.403%
11/13/2023	EAM Investors LLC	156,157	$1.18M	0.2%	-43.5%	0.515%
11/13/2023	Healthcare of Ontario Pension Plan Trust Fund	25,752	$194K	0.0%	+11.3%	0.085%
11/13/2023	Invesco Ltd.	873,006	$6.59M	0.0%	+58.9%	2.879%
11/9/2023	Essex Investment Management Co. LLC	700,833	$5.29M	0.9%	N/A	2.311%
11/8/2023	Atria Wealth Solutions Inc.	12,175	$92K	0.0%	-10.3%	0.040%
11/7/2023	CM Management LLC	200,000	$1.51M	1.6%	-42.9%	0.660%
11/7/2023	Barclays PLC	25,608	$193K	0.0%	+640,100.0%	0.084%
11/7/2023	Jump Financial LLC	85,300	$644K	0.0%	+196.0%	0.281%
11/6/2023	Assenagon Asset Management S.A.	49,182	$371K	0.0%	N/A	0.162%
10/26/2023	Joule Financial LLC	22,046	$166K	0.1%	-50.7%	0.073%
10/26/2023	GPS Wealth Strategies Group LLC	17,487	$132K	0.0%	N/A	0.058%
10/24/2023	Cambridge Investment Research Advisors Inc.	64,857	$490K	0.0%	+197.7%	0.214%
10/12/2023	Legato Capital Management LLC	89,667	$677K	0.1%	N/A	0.296%
8/15/2023	Journey Strategic Wealth LLC	17,375	$109K	0.0%	-53.5%	0.057%
8/14/2023	ArrowMark Colorado Holdings LLC	669,432	$4.19M	0.0%	+17.6%	2.211%
8/11/2023	AWM Investment Company Inc.	2,228,301	$13.95M	1.9%	-12.1%	7.361%
8/11/2023	Campbell & CO Investment Adviser LLC	14,236	$89K	0.0%	N/A	0.047%
8/7/2023	Royce & Associates LP	1,864,529	$11.67M	0.1%	+2.9%	6.160%
8/3/2023	Atria Wealth Solutions Inc.	13,575	$85K	0.0%	-13.7%	0.045%
8/1/2023	Merit Financial Group LLC	78,847	$494K	0.0%	+5.2%	0.260%
7/28/2023	KBC Group NV	459,007	$2.87M	0.0%	-27.4%	1.516%
7/25/2023	Raymond James Financial Services Advisors Inc.	12,746	$80K	0.0%	-12.2%	0.042%
7/14/2023	Joule Financial LLC	44,677	$280K	0.1%	+110.9%	0.148%
7/13/2023	Cambridge Investment Research Advisors Inc.	21,789	$136K	0.0%	+75.9%	0.072%
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5/15/2023	Quinn Opportunity Partners LLC	62,661	$308K	0.0%	N/A	0.212%
5/12/2023	Journey Strategic Wealth LLC	37,375	$184K	0.0%	+6.8%	0.127%
5/10/2023	Prescott Group Capital Management L.L.C.	20,200	$99K	0.0%	N/A	0.068%
5/10/2023	Connor Clark & Lunn Investment Management Ltd.	31,481	$155K	0.0%	-37.8%	0.107%
5/9/2023	Tower Research Capital LLC TRC	18,812	$92K	0.0%	+136.0%	0.064%
5/9/2023	GMT Capital Corp	108,066	$531K	0.0%	N/A	0.366%
5/8/2023	CM Management LLC	350,000	$1.72M	2.0%	+6.1%	1.185%
5/4/2023	KBC Group NV	632,089	$3.10M	0.0%	+31.3%	2.140%
2/14/2023	AWM Investment Company Inc.	2,536,283	$9.33M	1.3%	+42.2%	8.589%
2/13/2023	Dark Forest Capital Management LP	7,241	$27K	0.0%	N/A	0.025%

(Data available from 1/1/2016 forward)

AMSC Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of AMSC shares?: During the previous two years, 69 institutional investors and hedge funds held shares of American Superconductor. The most heavily invested institutionals were Baillie Gifford & Co. ($51.79M), Hood River Capital Management LLC ($40.58M), AWM Investment Company Inc. ($35.95M), Assenagon Asset Management S.A. ($24.73M), Vanguard Group Inc. ($22.95M), Driehaus Capital Management LLC ($21.57M), and Dimensional Fund Advisors LP ($12.45M).Learn more on AMSC's institutional investors.
What percentage of American Superconductor stock is owned by institutional investors?: 52.28% of American Superconductor stock is owned by institutional investors. Learn more on AMSC's institutional investor holdings.
Which institutional investors have been buying American Superconductor stock?: Of the 57 institutional investors that purchased American Superconductor stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Hood River Capital Management LLC ($1.74M), Assenagon Asset Management S.A. ($1.41M), AWM Investment Company Inc. ($1.19M), Baillie Gifford & Co. ($1.04M), Royce & Associates LP ($748.46K), Essex Investment Management Co. LLC ($700.83K), and Vanguard Group Inc. ($396.81K).

How much institutional buying is happening at American Superconductor?: Institutional investors have bought a total of 10,367,797 shares in the last 24 months. This purchase volume represents approximately $120.69M in transactions.
Which American Superconductor major shareholders have been selling company stock?: Of the 30 institutional investors that sold American Superconductor stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: AWM Investment Company Inc. ($682.04K), Baillie Gifford & Co. ($312.47K), KBC Group NV ($173.08K), CM Management LLC ($150K), Millennium Management LLC ($124.82K), EAM Investors LLC ($120.12K), and Essex Investment Management Co. LLC ($116.91K).
How much institutional selling is happening at American Superconductor?: Institutional investors have sold a total of 2,147,225 shares in the last 24 months. This volume of shares sold represents approximately $25.77M in transactions.