DOSSIER · 13F Holders · Q2 2026

SANDISK CORP

13 institutions still hold SANDISK CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 80004C950·13 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$13.1B
visible holders
Holders
13
filers reporting
Concentration
71.74%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

13 institutions reported SANDISK CORP in Q2 2026. IMC-Chicago, LLC leads at 71.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$9.4B4.1M2.25%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$2.0B865K1.15%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$1.3B553K1.77%Q2 2026
04
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$371M2K0.27%Q2 2026
05
RH Tailwind Management, LLC
CIK 0002065331
$45M20K4.43%Q2 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$45M22K0.00%Q2 2026
07
CMT Capital Markets Trading GmbH
CIK 0001632813
$8M13K0.09%Q1 2026
08
Marathon Trading Investment Management LLC
CIK 0001572748
$5M2K0.14%Q2 2026
09
DV EQUITIES, LLC
CIK 0001841659
$5M2K0.65%Q2 2026
10
HRT FINANCIAL LP
CIK 0001475597
$2M10K0.01%Q4 2025
11
AlphaCore Capital LLC
CIK 0001713662
$193K100.00%Q2 2026
12
LAUREL OAK WEALTH MANAGEMENT, LLC
CIK 0002111403
$12K20.00%Q2 2026
13
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025