As of November 7, 2026, Sandisk Corp is a publicly traded company (Nasdaq: SNDK); its largest reported holder is BlackRock, with 7.7% on Schedule 13G/A of October 27, 2026, then Vanguard (7.17%). The largest insider holding is Western Digital Corp., a 10% owner, with 7,513,019 shares (5.3% of shares outstanding), per Form 4/A of June 9, 2025 (Schedule 13G/A, October 27, 2026).
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Is Sandisk Corp a real, registered company?
- Sandisk Corp files with the SEC under CIK 2023554 (its SEC filings).
- Its shares are listed under the ticker SNDK on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Milpitas, California, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Sandisk Corp in our court records and SEC 8-K records (as of 2026-11-07).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BlackRock (filed 2026-10-27).
Who are Sandisk Corp's owners and officers?
Sandisk Corp: incorporated in Delaware; business address in Milpitas, California; industry Computer Storage Devices (Schedule 13G/A, 2026-11-06).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-11-06 | Jane Street Group, LLC | 3.7% |
| Schedule 13G/A, 2026-10-27 | Blackrock, Inc. | 7.7% |
| Schedule 13G/A, 2026-08-06 | Fmr LLC | 5.3% |
| Schedule 13G, 2026-08-05 | Jane Street Group, LLC | 5% |
| Schedule 13G/A, 2026-05-15 | Western Digital Corporation | 0.7% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 7.17% |
| Schedule 13G/A, 2026-04-07 | Fmr LLC | 8.7% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-01-21 | Blackrock, Inc. | 6% |
| Schedule 13G/A, 2025-11-10 | Dnb Asset Management As | 0.7% |
| Schedule 13G, 2025-08-12 | Dnb Asset Management As | 5.8% |
| Schedule 13G/A, 2025-07-29 | The Vanguard Group | 11.39% |
Questions about who owns Sandisk Corp
Who owns Sandisk Corp?
On this page, 3 holders' latest ownership filings report 5% or more of Sandisk Corp: Blackrock, Inc. (7.7%, Schedule 13G/A, filed 2026-10-27), Vanguard Capital Management (7.17%, Schedule 13G, filed 2026-04-30) and Fmr LLC (5.3%, Schedule 13G/A, filed 2026-08-06).
Who are the largest shareholders of Sandisk Corp?
By the share each holder's latest filing reports, the largest holders of Sandisk Corp on this page are Blackrock, Inc. (7.7%), Vanguard Capital Management (7.17%) and Fmr LLC (5.3%).
When did Blackrock, Inc. buy into Sandisk Corp?
The filings give report dates, not purchase dates. The earliest filing from Blackrock, Inc. on this page is the Schedule 13G/A, filed 2026-01-21, reporting 6%; its latest, Schedule 13G/A filed 2026-10-27, reports 7.7%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on Sandisk Corp covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
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Which insiders own Sandisk Corp shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- Western Digital Corp., a 10% owner: 7,513,019 shares (5.3% of shares outstanding) (Form 4/A, 2025-06-09).
- , the chairman and chief executive: 382,865 shares (0.27% of shares outstanding) (Form 4, 2026-09-21).
- , the chief financial officer and executive vice president: 132,611 shares (0.09% of shares outstanding) (Form 4, 2026-09-21).
- , the chief technology officer and executive vice president: 42,109 shares (0.03% of shares outstanding) (Form 4, 2026-09-21).
- , the chief legal officer and secty: 24,666 shares (0.02% of shares outstanding) (Form 4, 2026-11-03).
Shares outstanding: 142,289,365 as of 2026-10-26, from the company's latest SEC cover page.
How much has Sandisk Corp raised?
Latest IPO step: Sandisk Corp filed its final IPO prospectus (424B4, 2025-06-06).
IPO filings: 424B4, 2025-06-06, S-1/A, 2025-06-04, S-1/A, 2025-05-30, S-1/A, 2025-05-02, S-1, 2025-04-18.
Keep reading
More on Sandisk Corp and the records around it.
Sandisk Corp elsewhere on the record
- 5%+ stake filings Nov 2026
Companies that share a holder
- DnB Asset Management AS also filed stake reports on 3 other companies: Peloton Interactive, Inc. (Aug 2026), Atlassian Corporation (May 2026), Criteo S.A. (Feb 2026)
- JANE STREET GROUP, LLC also filed stake reports on 73 other companies: AXT INC (Nov 2026), BIOVIE INC. (Nov 2026), Bitdeer Technologies Group (Nov 2026)
- FMR LLC also filed stake reports on 761 other companies: ASPEN NEUROSCIENCE INC (Nov 2026), AVALO THERAPEUTICS INC (Nov 2026), BRAZE INC (Nov 2026)
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