Position in SNDK
as of Jun 30, 2026
· filed Aug 17, 2026
Position Value
$44,189,942
+$41,821,395 QoQ
Shares Held
19,435
+421.3% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.51%
of 13F equity value
Holder Rank
#280
of 1,804 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in SNDK Over Time
Shares Held
Position Value (USD)
Derivatives in SNDK
reported options exposure · as of Jun 30, 2026CallValue
$454,746
CallShares
200
PutValue
$133,695,324
PutShares
58,800
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 Computer Hardware
Technology · as of Jun 30, 2026CAPSTONE INVESTMENT ADVISORS, LLC holds $76,886,223 across 6 Computer Hardware names. SNDK ranks #1 (57.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
This page
|
19,435 | $44,189,942 | |
| 2 | SMCI |
Super Micro Computer, Inc.
|
374,289,574 | $29,419,825 | |
| 3 | DELL |
Dell Technologies Inc.
|
2,212 | $954,389 | |
| 4 | STX |
Seagate Technology Holdings plc
|
949 | $915,785 | |
| 5 | P |
Everpure, Inc.
|
10,131 | $798,221 | |
| 6 | WDC |
Western Digital Corp
|
952 | $608,061 |
All Filings in SNDK
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $133,695,324 | 58,800 | Put | Defined | 2026-08-17 | |
| 2026-06-30 | $44,189,942 | 19,435 | Shares | Defined | 2026-08-17 | |
| 2026-06-30 | $454,746 | 200 | Call | Defined | 2026-08-17 | |
| 2026-03-31 | $2,368,547 | 3,728 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $1,334,214 | 2,100 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $21,156,822 | 33,300 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $712,140 | 3,000 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $267,527 | 1,127 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $231,468 | 2,063 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $430,825 | 9,500 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $213,959 | 4,494 | Shares | Sole | 2025-05-15 | |
| No filing history on record for this holder in this stock. | ||||||