ALLIANCEBERNSTEIN L.P.

CIK

1109448

City

NASHVILLE

State / Country

TN

Stock

AMSC — American Superconductor Corp /De/

Top Portfolio Positions

2,974 positions · $255,112,464,743 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio	Open
NVDA	Nvidia Corp Technology	98,528,485	$17,183,367,783	6.74%
MSFT	Microsoft Corp Technology	31,797,302	$11,770,407,281	4.61%
AMZN	Amazon Com Inc Consumer Cyclical	52,639,574	$10,963,244,076	4.30%
AAPL	Apple Inc. Technology	42,677,473	$10,831,115,872	4.25%
AVGO	Broadcom Inc. Technology	24,873,857	$7,698,707,480	3.02%
META	Meta Platforms, Inc. Communication Services	12,678,273	$7,253,620,331	2.84%
V	Visa Inc. Financial Services	18,156,647	$5,487,664,989	2.15%
LLY	ELI LILLY & Co Healthcare	4,427,764	$4,072,524,494	1.60%
NFLX	Netflix Inc Communication Services	36,808,610	$3,539,147,851	1.39%
GOOGL	Alphabet Inc. Communication Services	10,522,677	$3,025,900,998	1.19%

Portfolio Trend

25 quarters · across all stocks

Holdings in AMSC

Compact Export CSV

Shares Held

Position Value (USD)

11 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,503,617	44,420	+13.0%	Shares	Defined	2026-05-15
2025-12-31	$1,131,629	39,320	0.0%	Shares	Defined	2026-02-17
2025-09-30	$2,335,214	39,320	+10.1%	Shares	Defined	2025-11-14
2025-06-30	$1,310,566	35,720	0.0%	Shares	Defined	2025-08-14
2025-03-31	$647,960	35,720	0.0%	Shares	Defined	2025-05-15
2024-12-31	$879,783	35,720	0.0%	Shares	Defined	2025-02-12
2024-09-30	$842,992	35,720	0.0%	Shares	Defined	2024-11-14
2024-06-30	$835,490	35,720	+136.6%	Shares	Defined	2024-08-14
2020-09-30	$218,648	15,100	-36.0%	Shares	Defined	2020-11-12
2020-06-30	$191,868	23,600	+47.5%	Shares	Defined	2020-08-13
2020-03-31	$87,680	16,000	—	Shares	Defined	2020-05-14
No 13F history on record for this holder in this stock.