American Superconductor Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

BMV:AMSC * Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
04 Nov 24	SellMex$28,367,453	John Kosiba	Individual		50,000	Mex$567.35

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of AMSC *?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,737,970	4.4%
General Public	9,207,056	23.3%
Institutions	28,514,707	72.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 57.73% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.69%	BlackRock, Inc.	3,427,893	Mex$2.3b	26%	no data
5.63%	The Vanguard Group, Inc.	2,222,935	Mex$1.5b	-8.38%	no data
4.36%	AWM Investment Company Inc	1,719,067	Mex$1.1b	0%	6.11%
4.18%	Baillie Gifford & Co.	1,649,790	Mex$1.1b	-21.7%	0.02%
3.13%	Hood River Capital Management LLC	1,236,146	Mex$811.4m	-13.7%	0.56%
3.07%	Daniel McGahn	1,212,238	Mex$795.8m	0%	no data
2.64%	Macquarie Investment Management Business Trust	1,040,179	Mex$682.8m	4.48%	0.04%
2.39%	Driehaus Capital Management LLC	942,698	Mex$618.8m	18%	0.17%
2.3%	State Street Global Advisors, Inc.	909,295	Mex$596.9m	0.34%	no data
2.22%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	875,683	Mex$574.8m	-14.8%	0.01%
2.17%	Geode Capital Management, LLC	856,455	Mex$562.2m	1.07%	no data
2.13%	Royce & Associates, LP	838,932	Mex$550.7m	-12.2%	0.22%
1.68%	Oberweis Asset Management, Inc.	664,400	Mex$436.1m	0%	0.69%
1.66%	Dimensional Fund Advisors LP	654,299	Mex$429.5m	7.62%	no data
1.52%	Telemark Asset Management, LLC	600,000	Mex$393.9m	0%	1.85%
1.26%	UBS Asset Management AG	499,151	Mex$327.7m	312%	no data
1.17%	Wellington Management Group LLP	461,230	Mex$302.8m	0%	no data
1.11%	Raymond James Financial Inc., Asset Management Arm	437,535	Mex$287.2m	1,730%	no data
1.09%	Essex Investment Management Company, LLC	429,876	Mex$282.2m	-7.46%	2.28%
0.96%	Allspring Global Investments, LLC	377,375	Mex$247.7m	-13.1%	0.02%
0.93%	John Kosiba	365,494	Mex$239.9m	-12%	no data
0.89%	Morgan Stanley, Investment Banking and Brokerage Investments	349,844	Mex$229.6m	36.4%	no data
0.88%	Legal & General Investment Management Limited	347,549	Mex$228.1m	1.81%	no data
0.85%	First Trust Advisors LP	335,053	Mex$219.9m	15%	0.01%
0.83%	Northern Trust Global Investments	327,805	Mex$215.2m	8.91%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/02/19 21:20
End of Day Share Price	2024/12/06 00:00
Earnings	2024/12/31
Annual Earnings	2024/03/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

American Superconductor Corporation is covered by 31 analysts. 3 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Jinming Liu	Ardour Capital Investments, LLC
J. Horwitz	Baird
Vishal Shah	Barclays