SNDK — SANDISK CORP
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying SNDK?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 5 tracked investors who changed their SNDK position last quarter, 4 bought and 1 sold (80% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime). 2 congressional purchases, 0 sales disclosed in the last 6 months.
- +4 tracked investors added or increased positions last quarter (Leopold Aschenbrenner, David Tepper, Stanley Druckenmiller, …)
- +8 tracked investors reported holding SNDK at their latest filing
- +2 congressional purchases disclosed in the last 6 months
- −1 tracked investor reduced or exited last quarter (0 reduced, 1 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.
About SANDISK CORP (SNDK)
SANDISK CORP (SNDK) appears in the most recent 13F filings of 8 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $4.2B. Across recent filings, tracked investors recorded 6 new positions, 1 increased, 0 reduced, and 2 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in SNDK
How many top investors track SNDK
Several tracked investors have exposure.
SNDK Ownership Composition
How SANDISK CORP is held across tracked investor types, based on reported 13F positions.
- Other77.9%
- Hedge Funds22.1%
Tracked investors reporting SNDK
- Ken GriffinMar 31, 2026Citadel AdvisorsShares6.6MValue$4.2B% Portfolio0.68%
- Leopold AschenbrennerMar 31, 2026Situational Awareness LPShares1.8MValue$1.1B% Portfolio8.14%
- Izzy EnglanderMar 31, 2026Millennium ManagementShares1.4MValue$892.1M% Portfolio0.37%
- Steve CohenMar 31, 2026Point72 Asset ManagementShares652.4KValue$414.5M% Portfolio0.53%
- David TepperMar 31, 2026Appaloosa ManagementShares281.3KValue$178.7M% Portfolio3.01%
- Paul Tudor JonesMar 31, 2026Tudor Investment CorpShares163.5KValue$103.9M% Portfolio0.19%
- Stanley DruckenmillerMar 31, 2026Duquesne Family OfficeShares38.2KValue$24.2M% Portfolio0.72%
- Ray DalioMar 31, 2026Bridgewater AssociatesShares9.5KValue$6M% Portfolio0.03%
Recent activity
- $250.2MFeb 11, 2026
- $1.1BMay 18, 2026
- Sold$0(-100.00%)May 15, 2026
- New$178.7MMay 15, 2026
- $24.2MMay 15, 2026
- New$6MMay 15, 2026
- Increased$747.1K(25.81%)Feb 17, 2026
- $0(-100.00%)Feb 17, 2026
- $18.7MNov 14, 2025
Frequently asked questions
- How many institutional investors hold SNDK?
- 8 tracked institutional investors disclosed a position in SNDK (SANDISK CORP) in their most recent 13F filing.
- Who is the largest institutional holder of SNDK?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in SNDK, valued at $4.2B.
- Did institutional ownership of SNDK increase or decrease?
- Across recent 13F filings, tracked investors recorded 6 new positions, 1 increased, 0 reduced, and 2 fully exited SNDK.
- Where does this SNDK ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.