Position in SNDK
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$539,403
+$539,403 QoQ
Shares Held
849
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in SNDK Over Time
Shares Held
Position Value (USD)
Derivatives in SNDK
reported options exposure · as of Mar 31, 2026CallValue
$130,752,972
CallShares
205,800
PutValue
$190,602,000
PutShares
300,000
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 Computer Hardware
Technology · as of Mar 31, 2026Walleye Trading LLC holds $79,190,838 across 11 Computer Hardware names. SNDK ranks #6 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WDC |
Western Digital Corp
|
206,486 | $55,852,398 | |
| 2 | SMCI |
Super Micro Computer, Inc.
|
726,240 | $16,536,484 | |
| 3 | STX |
Seagate Technology Holdings plc
|
7,973 | $3,123,502 | |
| 4 | IONQ |
IonQ, Inc.
|
52,290 | $1,507,520 | |
| 5 | QUBT |
Quantum Computing Inc.
|
178,992 | $1,226,095 | |
| 6 | SNDK |
Sandisk Corp
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|
849 | $539,403 | |
| 7 | DELL |
Dell Technologies Inc.
|
1,300 | $213,369 | |
| 8 | SSYS |
Stratasys Ltd.
|
11,137 | $86,979 |
All Filings in SNDK
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $539,403 | 849 | Shares | Sole | 2026-05-11 | |
| 2026-03-31 | $130,752,972 | 205,800 | Call | Sole | 2026-05-11 | |
| 2026-03-31 | $190,602,000 | 300,000 | Put | Sole | 2026-05-11 | |
| 2025-12-31 | $89,444,784 | 376,800 | Put | Sole | 2026-02-13 | |
| 2025-12-31 | $75,035,818 | 316,100 | Call | Sole | 2026-02-13 | |
| 2025-09-30 | $40,347,120 | 359,600 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $34,479,060 | 307,300 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $19,219,330 | 423,800 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $15,133,295 | 333,700 | Put | Sole | 2025-08-13 | |
| 2025-03-31 | $14,444,874 | 303,400 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $7,747,622 | 162,731 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $14,330,610 | 301,000 | Put | Sole | 2025-05-14 | |
| No filing history on record for this holder in this stock. | ||||||