Sandisk Corp
SNDK- Exchange
- Nasdaq
- Industry
- Computer Storage Devices
- SEC CIK
- 0002023554
In the last 90 days, Sandisk Corp insiders filed 0 open-market purchases and 9 sales; 1,828 institutions reported holding it in 13F filings for Q2 2026, worth $248.0B in total; superinvestors Duquesne Family Office and Maverick Capital hold it.
Holders of 5% or more of SNDK
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Sandisk Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 7.17%11.0M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 6.00%8.83M shares | −4.90 ppfrom 10.90% | Mar 7, 20254 filings | Jan 21, 2026 | SEC |
| FMR LLC | 13G/A | 5.30%7.86M shares | −3.40 ppfrom 8.70% | Mar 7, 20254 filings | Aug 6, 2026 | SEC |
| Jane Street Group, LLC | 13G | 5.00%7.41M shares | New | Aug 5, 20261 filing | Aug 5, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
19 Schedule 13D and 13G filings on Sandisk Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 6, 202610:38 AM ET | FMR LLCand 1 other | 13G/A | 5.30%7.86M shares | −3.40 ppfrom 8.70% | Jun 30, 2026 | SEC |
| Aug 5, 20264:50 PM ET | Jane Street Group, LLCand 3 others | 13G | 5.00%7.41M shares | New | Jul 30, 2026 | SEC |
| May 15, 20269:00 AM ET | Western Digital Corp | 13G/A | 0.70%1.04M shares | −4.50 ppfrom 5.20%Below 5% | Mar 31, 2026 | SEC |
| Apr 30, 202612:59 PM ET | Vanguard Capital Management LLC | 13G | 7.17%11.0M shares | New | Mar 31, 2026 | SEC |
| Apr 7, 20261:31 PM ET | FMR LLCand 1 other | 13G/A | 8.70%13.4M shares | −5.50 ppfrom 14.20% | Mar 31, 2026 | SEC |
| Mar 27, 20261:00 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −11.39 ppfrom 11.39%Below 5% | Mar 13, 2026 | SEC |
| Jan 21, 202612:30 PM ET | BlackRock, Inc. | 13G/A | 6.00%8.83M shares | −4.90 ppfrom 10.90% | Dec 31, 2025 | SEC |
| Nov 10, 20257:09 PM ET | DnB Asset Management AS | 13G/A | 0.70%1.03M shares | −5.10 ppfrom 5.80%Below 5% | Sep 30, 2025 | SEC |
| Aug 12, 20259:29 AM ET | DnB Asset Management AS | 13G | 5.80%7.11M shares | New | Jun 30, 2025 | SEC |
| Jul 29, 20252:32 PM ET | Vanguard Group Inc | 13G/A | 11.39%16.6M shares | +1.28 ppfrom 10.11% | Jun 30, 2025 | SEC |
| Jul 17, 20258:12 PM ET | BlackRock, Inc. | 13G/A | 10.90%15.8M shares | +1.60 ppfrom 9.30% | Jun 30, 2025 | SEC |
| Jul 1, 20255:00 PM ET | Western Digital Corp | 13G/A | 5.20%7.51M shares | −14.70 ppfrom 19.90% | Jun 30, 2025 | SEC |
| Jun 5, 20252:31 PM ET | Vanguard Group Inc | 13G/A | 10.11%14.7M shares | +0.67 ppfrom 9.44% | May 30, 2025 | SEC |
| May 12, 202510:39 AM ET | FMR LLCand 1 other | 13G/A | 14.20%20.6M shares | +3.60 ppfrom 10.60% | Mar 31, 2025 | SEC |
| Apr 30, 202511:13 AM ET | Vanguard Group Inc | 13G | 9.44%13.7M shares | New | Mar 31, 2025 | SEC |
| Apr 17, 20259:35 AM ET | BlackRock, Inc. | 13G/A | 9.30%13.4M shares | −2.80 ppfrom 12.10% | Mar 31, 2025 | SEC |
| Apr 3, 20254:01 PM ET | Western Digital Corp | 13G | 19.90%28.8M shares | New | Mar 31, 2025 | SEC |
| Mar 7, 202512:57 PM ET | BlackRock, Inc. | 13G | 12.10%14.0M shares | New | Feb 28, 2025 | SEC |
| Mar 7, 20259:59 AM ET | FMR LLCand 1 other | 13G | 10.60%12.3M shares | New | Feb 28, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Sandisk Corp shares.
No Form 144 notices for Sandisk Corp are on file.