AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.3,750,403$107,937
VANGUARD GROUP INC3,526,632$101,496
BAILLIE GIFFORD & CO1,506,841$43,367
STATE STREET CORP1,192,093$34,308
GEODE CAPITAL MANAGEMENT, LLC1,090,710$31,396
Atreides Management, LP1,044,193$30,052
Nuveen, LLC960,968$27,657
OBERWEIS ASSET MANAGEMENT INC/835,900$24,057
GOLDMAN SACHS GROUP INC782,287$22,514
EMERALD ADVISERS, LLC757,568$21,803
AWM Investment Company, Inc.754,220$21,706
UBS Group AG744,563$21,429
MORGAN STANLEY705,442$20,303
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP683,202$19,663
FIRST TRUST ADVISORS LP682,967$19,656
Telemark Asset Management, LLC619,900$17,841
Qube Research & Technologies Ltd599,006$17,239
DIMENSIONAL FUND ADVISORS LP540,253$15,549
DRIEHAUS CAPITAL MANAGEMENT LLC499,984$14,390
ALGERT GLOBAL LLC460,771$13
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.459,786$13,233
D. E. Shaw & Co., Inc.443,148$12,754
EMERALD MUTUAL FUND ADVISERS TRUST435,246$12,526
CHARLES SCHWAB INVESTMENT MANAGEMENT INC387,507$11,152
ROYCE & ASSOCIATES LP387,069$11,140
Invesco Ltd.386,152$11,113
NORTHERN TRUST CORP360,806$10,384
CITADEL ADVISORS LLC337,713$9,719
TWO SIGMA INVESTMENTS, LP321,571$9,255
Legal & General Group Plc278,026$8,002
PRICE T ROWE ASSOCIATES INC /MD/274,844$8
PANAGORA ASSET MANAGEMENT INC254,785$7,333
TUDOR INVESTMENT CORP ET AL251,642$7,242
JANE STREET GROUP, LLC242,767$6,987
ESSEX INVESTMENT MANAGEMENT CO LLC215,154$6,192
Allspring Global Investments Holdings, LLC204,678$6,464
Stephens Investment Management Group LLC174,228$5,014
BANK OF AMERICA CORP /DE/165,568$4,765
BALYASNY ASSET MANAGEMENT L.P.152,795$4,397
AQR CAPITAL MANAGEMENT LLC145,965$4,201
Palisades Investment Partners, LLC144,209$4,150
RAYMOND JAMES FINANCIAL INC141,811$4,081
RENAISSANCE TECHNOLOGIES LLC139,989$4,029
Bank of New York Mellon Corp137,042$3,944
Baird Financial Group, Inc.134,899$3,882
AXIOM INVESTORS LLC /DE134,076$3,859
WELLS FARGO & COMPANY/MN133,918$3,854
FMR LLC124,406$3,580
JPMORGAN CHASE & CO123,103$3,543
Y-Intercept (Hong Kong) Ltd120,251$3,461
ArrowMark Colorado Holdings LLC110,432$3,178
Swiss National Bank89,100$2,564
BNP PARIBAS ARBITRAGE, SA82,502$2,374
CAPITAL FUND MANAGEMENT S.A.79,160$2,278
SEI INVESTMENTS CO78,810$2,268
MILLENNIUM MANAGEMENT LLC78,088$2,247
Point72 Asset Management, L.P.77,457$2,229
UBS ASSET MANAGEMENT AMERICAS INC77,207$2,222
VICTORY CAPITAL MANAGEMENT INC76,882$2,213
BARCLAYS PLC73,805$2,124
Lumbard & Kellner, LLC71,161$2,048
SG Americas Securities, LLC70,992$2
ExodusPoint Capital Management, LP70,751$2,036
NEW YORK STATE COMMON RETIREMENT FUND70,400$2,026
HRT FINANCIAL LP69,724$2
Dynamic Technology Lab Private Ltd69,225$1,992
SUSQUEHANNA INTERNATIONAL GROUP, LLP65,625$1,889
KENNEDY CAPITAL MANAGEMENT LLC64,625$1,860
Walleye Capital LLC64,520$1,857
CAMPBELL NEWMAN ASSET MANAGEMENT INC63,148$1,817
ALPS ADVISORS INC62,242$1,791
Aquatic Capital Management LLC61,352$1,766
Campbell & CO Investment Adviser LLC59,952$1,725
AMERIPRISE FINANCIAL INC58,956$1,697
PRINCIPAL FINANCIAL GROUP INC58,950$1,697
RHUMBLINE ADVISERS57,693$1,660
TWINBEECH CAPITAL LP52,221$1,503
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM50,911$1,465
RICE HALL JAMES & ASSOCIATES, LLC47,114$1,356
TWO SIGMA ADVISERS, LP47,100$1,356
Janney Montgomery Scott LLC46,381$1
Amundi46,316$1,333
Freestone Grove Partners LP46,128$1,328
ROYAL BANK OF CANADA45,133$1,299
Legato Capital Management LLC40,687$1,171
MACKENZIE FINANCIAL CORP40,245$1,163
LPL Financial LLC40,074$1,153
Cambridge Investment Research Advisors, Inc.39,600$1
ALLIANCEBERNSTEIN L.P.39,320$1,132
DEUTSCHE BANK AG\38,723$1,114
Merit Financial Group, LLC37,281$1,073
Verition Fund Management LLC37,200$1,071
Engineers Gate Manager LP36,587$1,053
KORNITZER CAPITAL MANAGEMENT INC /KS36,154$1,041
Man Group plc36,094$1,039
NATIXIS35,086$1,010
FRANKLIN RESOURCES INC35,072$1,009
Russell Investments Group, Ltd.35,065$1,009
Headlands Technologies LLC34,308$987
Focus Partners Wealth34,303$987
138 other institutions1,280,474$36,512
Total (238 institutions)33,071,393$924,371