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CITADEL ADVISORS LLC

Position in AMSC — American Superconductor Corp /De/

CIK 1423053 MIAMI, FL

Position in AMSC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$852,117
-$6,483,617 QoQ
Shares Held
20,528
-90.5% QoQ
Ownership
0.042%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#107
of 276 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMSC Over Time

Shares Held

Position Value (USD)

Derivatives in AMSC

reported options exposure · as of Jun 30, 2026
CallValue
$7,318,213
CallShares
176,300
PutValue
$9,663,528
PutShares
232,800

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $2,233,685,848 across 63 Specialty Industrial Machinery names. AMSC ranks #49 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMSC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,663,528 232,800
2026-06-30 $7,318,213 176,300
2026-06-30 $852,117 20,528
2026-03-31 $5,754,500 170,000
2026-03-31 $7,335,734 216,713
2026-03-31 $2,873,865 84,900
2025-12-31 $8,127,472 282,400
2025-12-31 $9,226,868 320,600
2025-12-31 $9,719,379 337,713
2025-09-30 $12,923,264 217,600
2025-09-30 $880,218 14,821
2025-09-30 $9,538,034 160,600
2025-06-30 $8,695,530 237,000
2025-06-30 $25,304,762 689,691
2025-06-30 $7,125,198 194,200
2025-03-31 $5,438,372 299,800
2025-03-31 $2,386,516 131,561
2025-03-31 $6,909,526 380,900
2024-12-31 $9,842,148 399,600
2024-12-31 $5,472,786 222,200
2024-12-31 $6,399,834 259,839
2024-09-30 $1,899,800 80,500
2024-09-30 $5,630,960 238,600
2024-09-30 $6,986,944 296,057
2024-06-30 $8,906,794 380,795
2024-06-30 $2,696,867 115,300
2024-06-30 $4,645,254 198,600
2024-03-31 $728,189 53,900
2024-03-31 $2,226,448 164,800
2024-03-31 $4,490,682 332,397
2023-12-31 $1,167,472 104,800
2023-12-31 $2,921,241 262,230
2023-12-31 $1,268,846 113,900
2023-09-30 $997,355 132,100
2023-09-30 $908,476 120,328
2023-09-30 $1,186,105 157,100
2023-06-30 $75,120 12,000
2023-06-30 $357,733 57,146
2023-06-30 $454,476 72,600
2023-03-31 $157,120 32,000
2023-03-31 $231,634 47,176
2023-03-31 $96,727 19,700
2022-12-31 $158,582 43,093
2022-12-31 $19,872 5,400
2022-12-31 $39,744 10,800
2022-09-30 $148,126 33,819
2022-06-30 $311,623 60,159
2022-06-30 $51,800 10,000
2022-03-31 $745,033 97,902
2021-12-31 $354,688 32,600