American Superconductor Corp

AMSC Real Time Price USD
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Congress Trading

Recent trades of AMSC by members of U.S. Congress

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AMSC Stock Insider Trading Activity Follow @QuiverQuant for major insider updates
Closing Price
Purchase
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Name
Type
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Price
Shares Held
Date
Reported
AMSC Stock Institutional Owners
Investor
Shares
Change in Shares
Market Value
Date
Reported
AMSC Derivatives Institutional Owners
Investor
Type
Shares
Change in Shares
Market Value
Date
Reported
Whale Activity

Recently reported changes in AMSC holdings by institutional investors

Insider Trading

Quarterly net insider trading by AMSC's directors and management

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

About

Backtest Start Date
CAGR (Total)
Return (30d)
Return (1Y)
View Strategy Copytrade Strategy
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  • 6M
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Backtest Start Date

Key Metrics

Return (1d)

Return (30d)

Return (1Y)

CAGR (Total)

Max Drawdown

Beta

Alpha

Sharpe Ratio

Win Rate

Average Win

Average Loss

Annual Volatility

Annual Std Dev

Information Ratio

Treynor Ratio

Total Trades

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Metrics Definitions
  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

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  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

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  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

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  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

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  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

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  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

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  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

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  • Sharpe Ratio

    The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.

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  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

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  • Win Rate

    The percentage of total trades that resulted in a positive return.

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Corporate Lobbying

Government lobbying spending instances

  • $30,000 Oct 22, 2018 Issue: Trade (domestic/foreign) Financial Institutions/Investments/Securities Defense Budget/Appropriations
  • $10,000 Oct 22, 2018 Issue: Budget/Appropriations Trade (domestic/foreign)
  • $70,000 Jul 20, 2018 Issue: Financial Institutions/Investments/Securities Budget/Appropriations Trade (domestic/foreign) Defense
  • $50,000 Jul 20, 2018 Issue: Trade (domestic/foreign) Budget/Appropriations
  • $40,000 Apr 23, 2018 Issue: Trade (domestic/foreign) Financial Institutions/Investments/Securities Defense Budget/Appropriations
  • $20,000 Apr 20, 2018 Issue: Trade (domestic/foreign) Budget/Appropriations
  • $10,000 Jan 22, 2018 Issue: Trade (domestic/foreign)
  • $30,000 Jan 22, 2018 Issue: Financial Institutions/Investments/Securities Defense Trade (domestic/foreign)
  • $20,000 Oct 17, 2017 Issue: Financial Institutions/Investments/Securities Defense
  • $20,000 Jul 18, 2017 Issue: Defense Financial Institutions/Investments/Securities
  • $20,000 Apr 20, 2017 Issue: Defense Financial Institutions/Investments/Securities
  • $20,000 Jan 18, 2017 Issue: Defense Financial Institutions/Investments/Securities
  • $20,000 Oct 18, 2016 Issue: Defense Financial Institutions/Investments/Securities
  • $10,000 Jul 20, 2016 Issue: Taxation/Internal Revenue Code
  • $30,000 Jul 18, 2016 Issue: Defense Financial Institutions/Investments/Securities Taxation/Internal Revenue Code
  • $10,000 Apr 20, 2016 Issue: Taxation/Internal Revenue Code
  • $30,000 Apr 19, 2016 Issue: Defense Financial Institutions/Investments/Securities Taxation/Internal Revenue Code
  • $10,000 Jan 20, 2016 Issue: Taxation/Internal Revenue Code
  • $30,000 Jan 15, 2016 Issue: Defense Financial Institutions/Investments/Securities Taxation/Internal Revenue Code
  • $10,000 Oct 20, 2015 Issue: Taxation/Internal Revenue Code
  • $10,000 Oct 20, 2015 Issue: Taxation/Internal Revenue Code
  • $30,000 Oct 15, 2015 Issue: Financial Institutions/Investments/Securities Defense Taxation/Internal Revenue Code
  • $30,000 Jul 15, 2015 Issue: Financial Institutions/Investments/Securities Defense Taxation/Internal Revenue Code
  • $30,000 Apr 20, 2015 Issue: Defense Financial Institutions/Investments/Securities Taxation/Internal Revenue Code
  • $10,000 Apr 19, 2015 Issue: Taxation/Internal Revenue Code
  • $30,000 Jan 19, 2015 Issue: Defense Taxation/Internal Revenue Code
  • $10,000 Jan 13, 2015 Issue: Taxation/Internal Revenue Code
  • $30,000 Oct 20, 2014 Issue: Defense Taxation/Internal Revenue Code
  • $10,000 Oct 18, 2014 Issue: Taxation/Internal Revenue Code
  • $30,000 Jul 20, 2014 Issue: Taxation/Internal Revenue Code Defense
  • $10,000 Jul 19, 2014 Issue: Taxation/Internal Revenue Code
  • $30,000 Apr 21, 2014 Issue: Defense Taxation/Internal Revenue Code
  • $10,000 Apr 20, 2014 Issue: Taxation/Internal Revenue Code
  • $10,000 Jan 20, 2014 Issue: Taxation/Internal Revenue Code
  • $30,000 Jan 20, 2014 Issue: Defense Taxation/Internal Revenue Code
  • $10,000 Oct 20, 2013 Issue: Taxation/Internal Revenue Code
  • $30,000 Oct 17, 2013 Issue: Taxation/Internal Revenue Code Defense
  • $30,000 Jul 22, 2013 Issue: Taxation/Internal Revenue Code Defense
  • $10,000 Jul 21, 2013 Issue: Taxation/Internal Revenue Code
  • $10,000 Apr 22, 2013 Issue: Taxation/Internal Revenue Code
  • $30,000 Apr 22, 2013 Issue: Defense Taxation/Internal Revenue Code
  • $30,000 Jan 22, 2013 Issue: Defense Taxation/Internal Revenue Code
  • $20,000 Jan 18, 2013 Issue: Taxation/Internal Revenue Code
  • $20,000 Oct 22, 2012 Issue: Defense
  • $30,000 Jul 20, 2012 Issue: Defense
  • $30,000 Apr 27, 2012 Issue: Defense
  • $40,000 Jan 24, 2012 Issue: Energy/Nuclear Taxation/Internal Revenue Code Defense
  • $40,000 Nov 15, 2011 Issue: Taxation/Internal Revenue Code Defense Energy/Nuclear
  • $40,000 Jul 28, 2011 Issue: Defense Taxation/Internal Revenue Code Energy/Nuclear
  • $70,000 Apr 19, 2011 Issue: Defense Taxation/Internal Revenue Code Energy/Nuclear
  • $70,000 Jan 20, 2011 Issue: Defense Taxation/Internal Revenue Code Energy/Nuclear
  • $80,000 Dec 14, 2010 Issue: Taxation/Internal Revenue Code Energy/Nuclear Defense
  • $80,000 Oct 20, 2010 Issue: Energy/Nuclear Defense Taxation/Internal Revenue Code
  • $110,000 May 04, 2010 Issue: Energy/Nuclear Defense Taxation/Internal Revenue Code
  • $120,000 Jan 21, 2010 Issue: Energy/Nuclear Taxation/Internal Revenue Code Defense
  • $5,000 Jan 15, 2010 Issue: Energy/Nuclear
  • $110,000 Oct 20, 2009 Issue: Taxation/Internal Revenue Code Defense Energy/Nuclear
  • $10,000 Oct 19, 2009 Issue: Energy/Nuclear
  • $15,000 Jul 20, 2009 Issue: Energy/Nuclear
  • $130,000 Jul 17, 2009 Issue: Energy/Nuclear Taxation/Internal Revenue Code Defense
  • $70,000 Apr 20, 2009 Issue: Defense
  • $70,000 Jan 21, 2009 Issue: Defense
  • $20,000 Aug 10, 2005 Issue: Utilities Energy/Nuclear
  • $20,000 Feb 14, 2005 Issue: Energy/Nuclear Utilities
Corporate Lobbying

AMSC Estimated quarterly lobbying spending

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Revenue Breakdown

AMSC Revenue by Segment or Geography

By Segment
By Geography
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AMSC Income Statement
AMSC Balance Sheet
AMSC Cash Flow
U.S. Patents

New AMSC patent grants

  • Patent Title: Electro-formed metal foils Jul. 23, 2024
  • Patent Title: Electrical power system for a watercraft Oct. 24, 2023
  • Patent Title: High temperature superconducting wires having increased engineering current densities May. 23, 2023
  • Patent Title: Load re-balancing on a multi-phase power system Nov. 22, 2022
  • Patent Title: Roll-to-roll apparatus for processing metal tapes with a ceramic coating Jul. 19, 2022
  • Patent Title: Yaw auto-calibration for a wind turbine generator Mar. 29, 2022
  • Patent Title: High temperature superconductor wire bundling system and method Feb. 06, 2018
  • Patent Title: Electricity transmission cooling system May. 16, 2017
  • Patent Title: Electricity transmission cooling system May. 09, 2017
  • Patent Title: Reducing photovoltaic array voltage during inverter re-enablement Oct. 27, 2015
  • Patent Title: Electricity transmission cooling system May. 19, 2015
  • Patent Title: Reduced-loss bucking bundle low voltage cable Apr. 21, 2015
  • Patent Title: Fault current limiting hts cable and method of configuring same Nov. 11, 2014
  • Patent Title: Wide electrical conductor having high c-axis strength Jul. 29, 2014
  • Patent Title: Interface device for a high temperature superconductor degaussing system junction box May. 20, 2014
  • Patent Title: Mitigating the effects of defects in high temperature semiconductor wires Mar. 25, 2014
  • Patent Title: Thyristor gate pulses in static var compensator Jan. 14, 2014
  • Patent Title: Parallel connected hts utility device and method of using same Sep. 10, 2013
  • Patent Title: System for quick disconnect termination or connection for cryogenic transfer lines with simultaneous electrical connection Aug. 27, 2013
  • Patent Title: Superconducting cable assembly and method of assembly Jul. 02, 2013
  • Patent Title: Thick oxide film by single coating Apr. 23, 2013
  • Patent Title: Thick superconductor films with improved performance Jan. 15, 2013
  • Patent Title: Generator with ferromagnetic teeth Nov. 27, 2012
  • Patent Title: Electricity transmission cooling system Oct. 02, 2012
  • Patent Title: Low resistance splice for high temperature superconductor wires Sep. 11, 2012
  • Patent Title: Centralized power conditioning Aug. 21, 2012
  • Patent Title: Two-sided splice for high temperature superconductor laminated wires Jun. 05, 2012
  • Patent Title: Power electronic assembly with slotted heatsink May. 29, 2012
  • Patent Title: Mesh-type stabilizer for filamentary coated superconductors Mar. 27, 2012
  • Patent Title: Power converter with dual ring network control Feb. 21, 2012
  • Patent Title: Low voltage ride through Feb. 21, 2012
  • Patent Title: Composite substrates for high temperature superconductors having improved properties Feb. 14, 2012
  • Patent Title: High-current, compact flexible conductors containing high temperature superconducting tapes Oct. 25, 2011
  • Patent Title: Torque limiting coupling for wind turbine Oct. 11, 2011
  • Patent Title: Low resistance splice for high temperature superconductor wires Oct. 04, 2011
  • Patent Title: Power conversion systems Aug. 02, 2011
  • Patent Title: Static var corrector May. 10, 2011
  • Patent Title: Precursor solutions and methods of using same May. 10, 2011
  • Patent Title: Fault current limiting hts cable and method of configuring same Mar. 08, 2011
  • Patent Title: High temperature superconductors having planar magnetic flux pinning centers and methods for making the same Mar. 08, 2011
  • Patent Title: Systems and methods for solution-based deposition of metallic cap layers for high temperature superconductor wires Feb. 22, 2011
  • Patent Title: Torque support member for rotating electrical machine Nov. 16, 2010
  • Patent Title: Architecture for high temperature superconductor wire Oct. 19, 2010
  • Patent Title: Superconducting machine stator Aug. 31, 2010
  • Patent Title: High temperature superconducting wires and coils Aug. 24, 2010
  • Patent Title: Power system having a voltage regulator with a notch filter Aug. 17, 2010
  • Patent Title: Mesh-type stabilizer for filamentary coated superconductors Jul. 27, 2010
  • Patent Title: Parallel hts transformer device May. 25, 2010
  • Patent Title: Voltage regulation of a utility power network Mar. 30, 2010
  • Patent Title: Fabrication of sealed high temperature superconductor wires Mar. 09, 2010
Government Contracts

Federal grants, loans, and purchases

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Government Contracts

Estimated quarterly amount awarded to AMSC from public contracts

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AMSC News

Recent insights relating to AMSC

CNBC Recommendations

Recent picks made for AMSC stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in AMSC

AMSC Analyst Ratings

AMSC Stock Forecasts
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AMSC Analyst Forecasts
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Frequently Asked Questions
  • Is $AMSC stock a Buy, Sell, or Hold?

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* Analyst consensus is not financial advice. Please see our data disclaimers .

AMSC Top Shareholders
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AMSC Options Owners
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Frequently Asked Questions
  • Who owns $AMSC stock?

  • Who owns the most shares of $AMSC stock?

  • What funds own $AMSC stock?

* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

AMSC Stock Smart Score

The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.

The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Bull Case vs Bear Case

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The Bulls Say summary highlights positive aspects of the stock.

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About AMSC

American Superconductor Corp generates the ideas, technologies, and solutions that meet the world's demand for smarter, cleaner, and energy. Through its Windtec Solutions, the company enables manufacturers to launch wind turbines quickly, effectively, and profitably. Through its Gridtec Solutions, the company provides engineering planning services and grid systems that optimize network reliability, efficiency, and performance. The company's segment includes Grid and Wind. It generates maximum revenue from the Grid segment.

  • Address Devens, MA
  • Market Cap 1.3 billion
  • Employees 569
  • Industrial Classification Motors & Generators
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