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Optiver Holding B.V.

Position in AMSC — American Superconductor Corp /De/

CIK 1859606 AMSTERDAM, P7

Position in AMSC

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$114,277
+$50,572 QoQ
Shares Held
2,753
+46.3% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#202
of 276 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in AMSC Over Time

Shares Held

Position Value (USD)

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

Optiver Holding B.V. holds $2,473,263 across 32 Specialty Industrial Machinery names. AMSC ranks #3 (4.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 AMSC
American Superconductor Corp /De/
This page
2,753 $114,277

All Filings in AMSC

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $114,277 2,753
2026-03-31 $63,705 1,882