16 institutions reported holding $3.55B of SANDISK CORP (SNDK1) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($2.53B), GROUP ONE TRADING LLC ($446.4M), SIMPLEX TRADING, LLC ($348.6M), KCM Capital Inc ($61.2M), HRT FINANCIAL LP ($53.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $2.53B | 4.0M | Added |
| 2 | GROUP ONE TRADING LLC | $446.4M | 702,600 | Added |
| 3 | SIMPLEX TRADING, LLC | $348.6M | 548,700 | Added |
| 4 | KCM Capital Inc | $61.2M | 410,000 | Trimmed |
| 5 | HRT FINANCIAL LP | $53.4M | 84,100 | Added |
| 6 | Alpine Investment Management Ltd | $52.4M | 825 | New |
| 7 | NATIONAL BANK OF CANADA /FI/ | $41.3M | 650 | New |
| 8 | CMT Capital Markets Trading GmbH | $12.1M | 19,100 | Trimmed |
| 9 | JPMORGAN CHASE & CO | $2.3M | 4,000 | New |
| 10 | SUMMIT SECURITIES GROUP LLC | $1.6M | 2,500 | New |
| 11 | Kentucky Retirement Systems | $1.3M | 18,650 | New |
| 12 | Byrne Asset Management LLC | $254,136 | 400 | Trimmed |
| 13 | OSAIC HOLDINGS, INC. | $62,720 | 2 | Added |
| 14 | Curat Global, LLC | $46,380 | 73 | New |
| 15 | Joseph Group Capital Management | $23,508 | 37 | New |
| 16 | HUNTINGTON NATIONAL BANK | $2 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31