UK markets close in 7 hours 12 minutes

American Superconductor Corporation (AMSC)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
Add to watchlist
12.64+0.29 (+2.35%)
At close: 04:00PM EDT
12.52 -0.12 (-0.95%)
After hours: 07:53PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
4.54%% of shares held by all insiders
47.64%% of shares held by institutions
49.90%% of float held by institutions
128Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
AWM Investment Company, Inc.2,228,30130 Dec 20237.25%28,165,725
Baillie Gifford and Company2,086,27930 Dec 20236.79%26,370,567
Vanguard Group Inc1,302,12030 Dec 20234.24%16,458,797
Royce & Associates LP1,245,86030 Dec 20234.05%15,747,670
Invesco Ltd.864,91430 Dec 20232.81%10,932,513
Dimensional Fund Advisors LP683,69830 Dec 20232.22%8,641,942
Essex Investment Management Co LLC624,01830 Dec 20232.03%7,887,587
Blackrock Inc.613,30030 Dec 20232.00%7,752,112
Shaw D.E. & Co., Inc.435,74430 Dec 20231.42%5,507,804
ArrowMark Colorado Holdings LLC431,43230 Dec 20231.40%5,453,300

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Total Stock Market Index Fund824,75630 Dec 20232.68%10,424,916
Invesco ETF Tr-Invesco Wilderhill Clean Energy ETF579,06928 Feb 20241.88%7,319,432
Royce Opportunity Fund435,49930 Dec 20231.42%5,504,707
Meridian Contrarian Fund431,43230 Dec 20231.40%5,453,300
Vanguard Extended Market Index Fund431,48030 Dec 20231.40%5,453,907
Oberweis Micro-Cap Portfolio375,80030 Dec 20231.22%4,750,112
Invesco ETF Tr II-Invesco DWA Small Cap Momentum ETF294,05028 Feb 20240.96%3,716,792
Old Westbury Small & Mid Cap Strategies Fund260,74130 Jan 20240.85%3,295,766
Royce Micro-Cap Fund248,80030 Dec 20230.81%3,144,832
SPDR (R) Ser Tr-SPDR� Kensho Clean Power ETF207,42330 Mar 20240.67%2,621,826