Sandisk
SNDK
733 hedge funds and large institutions have $28.7B invested in Sandisk in 2025 Q4 according to their latest regulatory filings, with 280 funds opening new positions, 211 increasing their positions, 182 reducing their positions, and 52 closing their positions.
438% more first-time investments, than exits
New positions opened: 280 | Existing positions closed: 52
121% more funds holding in top 10
Funds holding in top 10: 14 → 31 (+17)
105% more capital invested
Capital invested by funds: $14B → $28.7B (+$14.7B)
42% more funds holding
Funds holding: 518 → 733 (+215)
16% more repeat investments, than reductions
Existing positions increased: 211 | Existing positions reduced: 182
3% more call options, than puts
Call options by funds: $1.51B | Put options by funds: $1.47B
3.25% less ownership
Funds ownership: 85.52% → 82.27% (-3.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Geode Capital Management
Boston,
Massachusetts
|
+$227M |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$217M |
| 3 |
EQF
Evergreen Quality Fund
Grand Cayman,
Cayman Islands
|
+$216M |
| 4 |
WRCM
Whale Rock Capital Management
Boston,
Massachusetts
|
+$201M |
| 5 |
SA
Situational Awareness
San Francisco,
California
|
+$188M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$1.29B |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$375M |
| 3 |
SPC
Slate Path Capital
New York
|
-$302M |
| 4 |
Neuberger Berman Group
New York
|
-$246M |
| 5 |
Victory Capital Management
San Antonio,
Texas
|
-$182M |
SNDK Hedge Fund Activity: Q4 2025 in Review
733 of the 8,225 institutional investors tracked by Wall St. Rank reported a position in Sandisk (SNDK) for Q4 2025, worth a combined $28.7B — up 105% from $14B a quarter earlier.
Buyers outnumbered sellers: 280 funds opened new SNDK positions and 52 closed out — a net gain of 228 holders — while 211 added to existing stakes and 182 trimmed.
The largest buyer was Geode Capital Management, adding an estimated $227M. The largest seller was BlackRock, cutting an estimated $1.29B.
- 733 institutional investors held Sandisk (SNDK) as of Q4 2025, up from 518 in Q3 2025.
- Funds reported $28.7B of Sandisk stock for Q4 2025, up 105% quarter-over-quarter.
- 280 funds opened new Sandisk positions in Q4 2025 and 52 closed out, a net change of +228 holders.
- The largest Sandisk buyer in Q4 2025 was Geode Capital Management, an estimated $227M added.
- The largest Sandisk seller in Q4 2025 was BlackRock, an estimated $1.29B sold.
Based on aggregated 13F filings for Q4 2025.