$AMSC stock has now risen 10% today, according to our price data from Polygon. There has been approximately $58,296,703 of trading volume.
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 16 times in the past 6 months. Of those trades, 0 have been purchases and 16 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 8 sales selling 256,822 shares for an estimated $9,657,151.
- JOHN W JR KOSIBA (SVP, CFO & Treasurer) has made 0 purchases and 7 sales selling 126,447 shares for an estimated $5,034,679.
- 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 164 institutional investors add shares of $AMSC stock to their portfolio, and 79 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- CITADEL ADVISORS LLC added 558,130 shares (+424.2%) to their portfolio in Q2 2025, for an estimated $20,477,789
- GOLDMAN SACHS GROUP INC added 547,086 shares (+113.5%) to their portfolio in Q2 2025, for an estimated $20,072,585
- EMERALD ADVISERS, LLC added 461,335 shares (+1191.5%) to their portfolio in Q2 2025, for an estimated $16,926,381
- HEIGHTS CAPITAL MANAGEMENT, INC added 340,102 shares (+inf%) to their portfolio in Q2 2025, for an estimated $12,478,342
- ATREIDES MANAGEMENT, LP added 280,418 shares (+34.0%) to their portfolio in Q2 2025, for an estimated $10,288,536
- QUBE RESEARCH & TECHNOLOGIES LTD removed 279,287 shares (-68.2%) from their portfolio in Q2 2025, for an estimated $10,247,040
- TUDOR INVESTMENT CORP ET AL added 240,007 shares (+1193.2%) to their portfolio in Q2 2025, for an estimated $8,805,856
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
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.
