Position in AMSC
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$347,563
+$176,113 QoQ
Shares Held
8,373
+65.3% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#163
of 276 holders
Holding Since
Sep 2020
15 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, 2026CallValue
$473,214
CallShares
11,400
PutValue
$294,721
PutShares
7,100
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 Trading LLC holds $31,441,785 across 13 Specialty Industrial Machinery names. AMSC ranks #10 (1.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GEV |
GE Vernova Inc.
|
15,168 | $17,820,276 | |
| 2 | IR |
Ingersoll Rand Inc.
|
58,413 | $4,789,281 | |
| 3 | AME |
Ametek Inc/
|
9,736 | $2,355,527 | |
| 4 | SMR |
NUSCALE POWER Corp
|
210,210 | $2,108,406 | |
| 5 | PNR |
PENTAIR plc
|
13,098 | $1,004,092 | |
| 6 | EMR |
Emerson Electric Co
|
6,191 | $886,241 | |
| 7 | RR |
Richtech Robotics Inc.
|
403,840 | $852,102 | |
| 8 | NNE |
Nano Nuclear Energy Inc.
|
23,120 | $488,756 |
All Filings in AMSC
Export CSV
33 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $294,721 | 7,100 | Put | Sole | 2026-08-03 | |
| 2026-06-30 | $347,563 | 8,373 | Shares | Sole | 2026-08-03 | |
| 2026-06-30 | $473,214 | 11,400 | Call | Sole | 2026-08-03 | |
| 2026-03-31 | $171,450 | 5,065 | Shares | Sole | 2026-05-11 | |
| 2026-03-31 | $199,715 | 5,900 | Call | Sole | 2026-05-11 | |
| 2026-03-31 | $270,800 | 8,000 | Put | Sole | 2026-05-11 | |
| 2025-12-31 | $187,070 | 6,500 | Put | Sole | 2026-02-13 | |
| 2025-12-31 | $610,136 | 21,200 | Call | Sole | 2026-02-13 | |
| 2025-09-30 | $671,107 | 11,300 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $659,229 | 11,100 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $832,863 | 22,700 | Put | Sole | 2025-08-13 | |
| 2025-06-30 | $2,025,288 | 55,200 | Call | Sole | 2025-08-13 | |
| 2025-03-31 | $16,326 | 900 | Put | Sole | 2025-05-14 | |
| 2025-03-31 | $487,966 | 26,900 | Call | Sole | 2025-05-14 | |
| 2024-12-31 | $39,408 | 1,600 | Put | Sole | 2025-02-13 | |
| 2024-12-31 | $502,452 | 20,400 | Call | Sole | 2025-02-13 | |
| 2024-09-30 | $115,640 | 4,900 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $202,960 | 8,600 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $44,441 | 1,900 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $385,935 | 16,500 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $547,155 | 40,500 | Call | Sole | 2024-05-15 | |
| 2023-12-31 | $181,582 | 16,300 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $4,456 | 400 | Put | Sole | 2024-02-14 | |
| 2022-03-31 | $89,037 | 11,700 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $12,830 | 1,686 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $52,509 | 6,900 | Put | Sole | 2022-05-16 | |
| 2021-03-31 | $257,590 | 13,586 | Shares | Sole | 2021-05-17 | |
| 2021-03-31 | $138,408 | 7,300 | Call | Sole | 2021-05-17 | |
| 2021-03-31 | $310,944 | 16,400 | Put | Sole | 2021-05-17 | |
| 2020-12-31 | $2,342 | 100 | Put | Sole | 2021-02-16 | |
| 2020-12-31 | $288,066 | 12,300 | Call | Sole | 2021-02-16 | |
| 2020-09-30 | $205,616 | 14,200 | Call | Sole | 2020-11-16 | |
| 2020-09-30 | $300,937 | 20,783 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||