What does CUSIP 030111207 represent in this 13F holders report?

CUSIP 030111207 is the security identifier for AMSC - AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock used to aggregate holder disclosures.

How many institutions held AMSC - AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock in Q1 2021?

99 institutional investors reported AMSC - AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

- Common Stock (AMSC)

CUSIP: 030111207

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 47,657,189
Total 13F shares: 16,184,271
Share change: -1,221,266
Total reported value: $306,573,897
Put/Call ratio: 106%
Price per share: $18.96
Number of holders: 99
Value change: -$32,714,323
Number of buys: 56
Number of sells: 47

Quarterly Holders Quick Answers

What is CUSIP 030111207?
CUSIP 030111207 identifies AMSC - AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 030111207:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of AMSC - AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Invesco Ltd.	13F	Company	4%	1,895,162	$44,385,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	3.9%	1,864,031	$43,655,000	—	31 Dec 2020	13F
AWM Investment Company, Inc.	13F	Company	2.7%	1,268,670	$29,712,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	2.4%	1,148,602	$26,900,000	—	31 Dec 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.9%	916,975	$21,476,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	1.8%	881,047	$20,634,000	—	31 Dec 2020	13F
Hood River Capital Management LLC	13F	Company	1.6%	741,688	$17,370,000	—	31 Dec 2020	13F
BNP Paribas Asset Management Holding S.A.	13F	Company	1.5%	730,476	$17,108,000	—	31 Dec 2020	13F
BAILLIE GIFFORD & CO	13F	Company	1.4%	650,300	$15,230,000	—	31 Dec 2020	13F
ROYCE & ASSOCIATES LP	13F	Company	1.3%	624,574	$14,628,000	—	31 Dec 2020	13F
Telemark Asset Management, LLC	13F	Company	0.99%	470,000	$11,007,000	—	31 Dec 2020	13F
CITIGROUP INC	13F	Company	0.92%	438,716	$10,275,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.87%	412,647	$9,664,000	—	31 Dec 2020	13F
Erste Asset Management GmbH	13F	Company	0.84%	400,000	$8,748,000	—	31 Dec 2020	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.59%	279,308	$6,541,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.58%	276,365	$6,472,000	—	31 Dec 2020	13F
FIRST TRUST ADVISORS LP	13F	Company	0.53%	250,982	$5,878,000	—	31 Dec 2020	13F
ArrowMark Colorado Holdings LLC	13F	Company	0.5%	240,000	$5,621,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.48%	230,728	$5,403,000	—	31 Dec 2020	13F
Stormborn Capital Management, LLC	13F	Company	0.47%	225,000	$5,270,000	—	31 Dec 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.47%	224,302	$5,253,000	—	31 Dec 2020	13F
ALPS ADVISORS INC	13F	Company	0.38%	180,983	$4,239,000	—	31 Dec 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.37%	174,089	$4,077,000	—	31 Dec 2020	13F
Portolan Capital Management, LLC	13F	Company	0.35%	166,935	$3,910,000	—	31 Dec 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	0.34%	162,200	$3,799,000	—	31 Dec 2020	13F
ESSEX INVESTMENT MANAGEMENT CO LLC	13F	Company	0.34%	161,994	$3,794,000	—	31 Dec 2020	13F
BANK OF MONTREAL /CAN/	13F	Company	0.22%	102,477	$2,986,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.26%	124,282	$2,911,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.24%	114,245	$2,676,000	—	31 Dec 2020	13F
LOS ANGELES CAPITAL MANAGEMENT LLC	13F	Company	0.23%	108,827	$2,549,000	—	31 Dec 2020	13F
KBC Group NV	13F	Company	0.41%	196,022	$2,317,954	—	31 Dec 2020	13F
Assenagon Asset Management S.A.	13F	Company	0.2%	94,894	$2,222,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.19%	91,861	$2,151,000	—	31 Dec 2020	13F
CANADA PENSION PLAN INVESTMENT BOARD	13F	Company	0.19%	88,400	$2,070,000	—	31 Dec 2020	13F
OSAIC HOLDINGS, INC.	13F	Company	0.17%	82,428	$1,931,000	—	31 Dec 2020	13F
Informed Momentum Co LLC	13F	Company	0.16%	76,895	$1,801,000	—	31 Dec 2020	13F
FORMULA GROWTH LTD	13F	Company	0.16%	75,000	$1,757,000	—	31 Dec 2020	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.16%	74,092	$1,735,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.14%	65,488	$1,534,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.14%	65,320	$1,529,000	—	31 Dec 2020	13F
COOKSON PEIRCE & CO INC	13F	Company	0.14%	65,024	$1,523,000	—	31 Dec 2020	13F
Global IMC LLC	13F	Company	0.12%	56,960	$1,334,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.12%	56,431	$1,322,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.11%	52,328	$1,226,000	—	31 Dec 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.1%	49,993	$1,171,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.09%	43,267	$1,013,000	—	31 Dec 2020	13F
FNY Investment Advisers, LLC	13F	Company	0.09%	43,000	$1,007,000	—	31 Dec 2020	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.09%	40,713	$953,000	—	31 Dec 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.08%	38,716	$907,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.07%	34,582	$810,000	—	31 Dec 2020	13F

Institutional Holders of AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) as of Q1 2021

As of 31 Mar 2021, AMERICAN SUPERCONDUCTOR CORP /DE/ - Common Stock (AMSC) was held by 99 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 16,184,271 shares. The largest 10 holders included BlackRock Inc., Invesco Ltd., VANGUARD GROUP INC, BAILLIE GIFFORD & CO, STATE STREET CORP, AWM Investment Company, Inc., BNP PARIBAS ASSET MANAGEMENT Holding S.A., RENAISSANCE TECHNOLOGIES LLC, ROYCE & ASSOCIATES LP, and Telemark Asset Management, LLC. This page lists 99 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

101

Q1 2021 holders

Holder diff

-2

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.