Position in AMSC
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$212,747
-$1,644,138 QoQ
Shares Held
6,285
-90.3% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
11 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 Mar 31, 2026CallValue
$108,320
CallShares
3,200
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, 2026Walleye Capital LLC holds $287,815,019 across 33 Specialty Industrial Machinery names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EMR |
Emerson Electric Co
|
341,280 | $48,854,232 | |
| 2 | ETN |
Eaton Corp plc
|
114,225 | $48,673,557 | |
| 3 | AME |
Ametek Inc/
|
178,419 | $43,166,692 | |
| 4 | PH |
Parker-Hannifin Corp
|
35,106 | $34,337,880 | |
| 5 | RRX |
Regal Rexnord Corp
|
101,743 | $24,234,165 | |
| 6 | PNR |
PENTAIR plc
|
282,180 | $21,631,918 | |
| 7 | CR |
Crane Co
|
63,562 | $14,178,775 | |
| 8 | DOV |
DOVER Corp
|
45,967 | $10,309,478 |
All Filings in AMSC
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $108,320 | 3,200 | Call | Sole | 2026-05-13 | |
| 2026-03-31 | $212,747 | 6,285 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $661,940 | 23,000 | Call | Sole | 2026-02-13 | |
| 2025-12-31 | $1,856,885 | 64,520 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $520,918 | 18,100 | Put | Sole | 2026-02-13 | |
| 2025-09-30 | $1,342,214 | 22,600 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $1,389,726 | 23,400 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $11,850 | 323 | Shares | Sole | 2025-08-13 | |
| 2025-06-30 | $869,553 | 23,700 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $733,800 | 20,000 | Put | Sole | 2025-08-13 | |
| 2025-03-31 | $43,536 | 2,400 | Put | Sole | 2025-05-14 | |
| 2025-03-31 | $435,360 | 24,000 | Call | Sole | 2025-05-14 | |
| 2024-12-31 | $763,530 | 31,000 | Call | Sole | 2025-02-13 | |
| 2024-12-31 | $81,279 | 3,300 | Put | Sole | 2025-02-13 | |
| 2024-09-30 | $1,630,760 | 69,100 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $68,440 | 2,900 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $85,951 | 3,642 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,122,338 | 90,737 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $44,441 | 1,900 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $2,816,156 | 120,400 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $13,077 | 968 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $787,633 | 58,300 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $21,616 | 1,600 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $238,396 | 21,400 | Call | Sole | 2024-02-14 | |
| 2021-06-30 | $378,058 | 21,740 | Shares | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||