SANDISK CORP (SNDK) Stock Institutional Trading Activity
SANDISK CORP (SNDK) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Polen Capital Management, Parnassus Endeavor Fund, Sequoia Financial Advisors, and Thunderbird Partners. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- SANDISK CORP (SNDK) stock institutional ownership
- SANDISK CORP (SNDK) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2025 | Polen Capital Management | Buy | 1,860 | 1,860 | $441,527 |
| Q4 2025 | Renaissance Technologies LLC | Buy | 373,800 | 1,209,000 | $286,992,420 |
| Q3 2025 | Sequoia Financial Advisors | Buy | 3,213 | 3,213 | $360,499 |
| Q3 2025 | Renaissance Technologies LLC | Buy | 422,100 | 835,200 | $93,709,440 |
| Q3 2025 | Parnassus Endeavor Fund | Sell | -93,894 | 925,267 | $103,814,957 |
| Q2 2025 | Renaissance Technologies LLC | Buy | 413,100 | 413,100 | $18,734,085 |
| Q2 2025 | Parnassus Endeavor Fund | Buy | 267,816 | 1,019,161 | $46,218,951 |
| Q1 2025 | Thunderbird Partners | Buy | 93,400 | 93,400 | $4,446,774 |
| Q1 2025 | Parnassus Endeavor Fund | Buy | 751,345 | 751,345 | $35,771,535 |
Frequently asked questions about SNDK activity
Which institutional owners are buying SNDK?
Institutional owners buying SNDK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in SNDK activity?
"Buy" means an investor increased their reported position in SNDK compared to the prior reporting period. This reflects growing exposure to SANDISK CORP (SNDK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in SNDK increasing?
Institutional interest in SNDK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.