AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

JANUS HENDERSON GROUP PLC's Holding History (CIK: 0001274173)

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

Q4 2025

Shares 20,134 Value ($000) $580 Avg Close $43.24 Range $28.68 - $70.49

Q3 2025

Shares 39,350 Value ($000) $2,337 Avg Close $49.99 Range $34.87 - $65.70

Q2 2025

Shares 46,761 Value ($000) $1,715 Avg Close $24.58 Range $13.98 - $37.89

Q1 2025

Shares 15,800 Value ($000) $297 Avg Close $24.93 Range $17.08 - $35.44

Q4 2024

Shares 15,800 Value ($000) $389 Avg Close $27.58 Range $20.60 - $38.02

Q3 2024

Shares 15,800 Value ($000) $373 Avg Close $23.05 Range $17.02 - $32.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,134	$580	$43.24	$28.68 - $70.49
Q3 2025	39,350	$2,337	$49.99	$34.87 - $65.70
Q2 2025	46,761	$1,715	$24.58	$13.98 - $37.89
Q1 2025	15,800	$297	$24.93	$17.08 - $35.44
Q4 2024	15,800	$389	$27.58	$20.60 - $38.02
Q3 2024	15,800	$373	$23.05	$17.02 - $32.70