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American Superconductor Corporation (AMSC)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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11.87-0.46 (-3.73%)
At close: 04:00PM EDT
11.84 -0.03 (-0.25%)
After hours: 07:24PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
4.54%% of shares held by all insiders
47.23%% of shares held by institutions
49.48%% of float held by institutions
124Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
AWM Investment Company, Inc.2,228,30130 Dec 20237.25%26,449,932
Baillie Gifford and Company2,086,27930 Dec 20236.79%24,764,131
Vanguard Group Inc1,302,12030 Dec 20234.24%15,456,164
Royce & Associates LP1,245,86030 Dec 20234.05%14,788,358
Invesco Ltd.864,91430 Dec 20232.81%10,266,529
Dimensional Fund Advisors LP683,69830 Dec 20232.22%8,115,495
Essex Investment Management Co LLC624,01830 Dec 20232.03%7,407,093
Blackrock Inc.613,30030 Dec 20232.00%7,279,870
Shaw D.E. & Co., Inc.435,74430 Dec 20231.42%5,172,281
ArrowMark Colorado Holdings LLC431,43230 Dec 20231.40%5,121,097

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Total Stock Market Index Fund824,75630 Dec 20232.68%9,789,853
Invesco ETF Tr-Invesco Wilderhill Clean Energy ETF579,06928 Feb 20241.88%6,873,548
Royce Opportunity Fund435,49930 Dec 20231.42%5,169,373
Meridian Contrarian Fund431,43230 Dec 20231.40%5,121,097
Vanguard Extended Market Index Fund431,48030 Dec 20231.40%5,121,667
Oberweis Micro-Cap Portfolio375,80030 Dec 20231.22%4,460,745
Invesco ETF Tr II-Invesco DWA Small Cap Momentum ETF294,05028 Feb 20240.96%3,490,373
Old Westbury Small & Mid Cap Strategies Fund260,74130 Jan 20240.85%3,094,995
Royce Micro-Cap Fund248,80030 Dec 20230.81%2,953,255
SPDR (R) Ser Tr-SPDR� Kensho Clean Power ETF213,20228 Feb 20240.69%2,530,707