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SEI INVESTMENTS CO

Position in AMSC — American Superconductor Corp /De/

CIK 350894 OAKS, PA

Position in AMSC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,537,274
-$4,059,884 QoQ
Shares Held
85,215
-62.0% QoQ
Ownership
0.176%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#62
of 276 holders
Holding Since
Jun 2024
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMSC Over Time

Shares Held

Position Value (USD)

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

SEI INVESTMENTS CO holds $1,881,727,051 across 55 Specialty Industrial Machinery names. AMSC ranks #40 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMSC

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,537,274 85,215
2026-03-31 $7,597,158 224,436
2025-12-31 $2,268,151 78,810
2025-09-30 $3,931,497 66,198
2025-06-30 $1,543,656 42,073
2024-12-31 $1,283,370 52,106
2024-09-30 $1,486,728 62,997
2024-06-30 $562,482 24,048