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D. E. Shaw & Co., Inc.

Position in AMSC — American Superconductor Corp /De/

CIK 1009207 New York, NY

Position in AMSC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$15,227,735
-$3,984,644 QoQ
Shares Held
366,845
-35.4% QoQ
Ownership
0.757%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#26
of 276 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 95% Shared 0% None 5%

Common Shares in AMSC Over Time

Shares Held

Position Value (USD)

Derivatives in AMSC

reported options exposure · as of Mar 31, 2026
CallValue
$514,520
CallShares
15,200
PutValue
$0
PutShares
0

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

D. E. Shaw & Co., Inc. holds $2,373,078,271 across 45 Specialty Industrial Machinery names. AMSC ranks #21 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMSC

Export CSV
34 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,227,735 366,845
2026-03-31 $19,212,379 567,574
2026-03-31 $514,520 15,200
2025-12-31 $12,753,798 443,148
2025-12-31 $2,757,124 95,800
2025-09-30 $5,547,026 93,400
2025-09-30 $44,703,030 752,703
2025-06-30 $319,203 8,700
2025-06-30 $4,903,397 133,644
2025-03-31 $438,988 24,200
2025-03-31 $1,360,336 74,991
2024-12-31 $6,211,906 252,209
2024-12-31 $3,918,633 159,100
2024-09-30 $2,459,120 104,200
2024-09-30 $5,980,546 253,413
2024-06-30 $15,209,510 650,257
2024-06-30 $820,989 35,100
2024-03-31 $3,893,514 288,195
2023-12-31 $4,854,187 435,744
2023-09-30 $2,824,665 374,128
2023-06-30 $2,135,091 341,069
2023-03-31 $1,659,923 338,070
2022-12-31 $1,709,281 464,479
2022-09-30 $2,600,050 593,619
2022-06-30 $3,371,443 650,858
2022-03-31 $4,565,481 599,932
2021-12-31 $6,445,202 592,390
2021-09-30 $7,410,299 508,251
2021-06-30 $7,153,845 411,377
2021-03-31 $3,421,027 180,434
2020-12-31 $3,798,723 162,200
2020-09-30 $786,770 54,335
2020-06-30 $645,805 79,435
2020-03-31 $581,027 106,027