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CSS LLC/IL

Position in SNDK — Sandisk Corp

CIK 1103646 CHICAGO, IL

Position in SNDK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,386,975
+$935,884 QoQ
Shares Held
610
-14.1% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
#887
of 1,812 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SNDK Over Time

Shares Held

Position Value (USD)

Derivatives in SNDK

reported options exposure · as of Dec 31, 2025
CallValue
$0
CallShares
0
PutValue
$783,354
PutShares
3,300

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, 2026

CSS LLC/IL holds $67,264,972 across 7 Computer Hardware names. SNDK ranks #5 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 SNDK
Sandisk Corp
This page
610 $1,386,975

All Filings in SNDK

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,386,975 610
2026-03-31 $451,091 710
2025-12-31 $407,106 1,715
2025-12-31 $783,354 3,300
2025-09-30 $213,741 1,905