$AMSC stock has now fallen 8% today, according to our price data from Polygon. There has been approximately $26,542,712 of trading volume.
It has been the 829th most-searched ticker on Quiver Quantitative over the last day, out of 9,937 total tickers searched.
Here is what we see in our data on $AMSC (you can track the company live on Quiver's $AMSC stock page):
$AMSC Insider Trading Activity
$AMSC insiders have traded $AMSC stock on the open market 6 times in the past 6 months. Of those trades, 0 have been purchases and 6 have been sales.
Here’s a breakdown of recent trading of $AMSC stock by insiders over the last 6 months:
- DANIEL P MCGAHN (Chairman, President and CEO) has made 0 purchases and 2 sales selling 100,848 shares for an estimated $5,495,526.
- JOHN W JR KOSIBA (SVP, CFO & Treasurer) has made 0 purchases and 3 sales selling 59,843 shares for an estimated $3,273,380.
- ARTHUR H HOUSE sold 9,703 shares for an estimated $494,081
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$AMSC Hedge Fund Activity
We have seen 163 institutional investors add shares of $AMSC stock to their portfolio, and 108 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- HOOD RIVER CAPITAL MANAGEMENT LLC removed 1,168,906 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $69,421,327
- AWM INVESTMENT COMPANY, INC. removed 813,008 shares (-52.2%) from their portfolio in Q3 2025, for an estimated $48,284,545
- FULLER & THALER ASSET MANAGEMENT, INC. added 809,945 shares (+inf%) to their portfolio in Q3 2025, for an estimated $48,102,633
- CITADEL ADVISORS LLC removed 674,870 shares (-97.9%) from their portfolio in Q3 2025, for an estimated $40,080,529
- D. E. SHAW & CO., INC. added 619,059 shares (+463.2%) to their portfolio in Q3 2025, for an estimated $36,765,914
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 524,061 shares (+221.7%) to their portfolio in Q3 2025, for an estimated $31,123,982
- VANGUARD GROUP INC added 502,754 shares (+20.5%) to their portfolio in Q3 2025, for an estimated $29,858,560
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$AMSC Analyst Ratings
Wall Street analysts have issued reports on $AMSC in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Clear Street issued a "Buy" rating on 11/19/2025
To track analyst ratings and price targets for $AMSC, check out Quiver Quantitative's $AMSC forecast page.
You can track data on $AMSC on Quiver Quantitative.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
