Sandisk
SNDK
518 hedge funds and large institutions have $14B invested in Sandisk in 2025 Q3 according to their latest regulatory filings, with 171 funds opening new positions, 151 increasing their positions, 119 reducing their positions, and 63 closing their positions.
180% more funds holding in top 10
Funds holding in top 10: 5 → 14 (+9)
171% more first-time investments, than exits
New positions opened: 171 | Existing positions closed: 63
123% more capital invested
Capital invested by funds: $6.28B → $14B (+$7.71B)
27% more repeat investments, than reductions
Existing positions increased: 151 | Existing positions reduced: 119
25% more funds holding
Funds holding: 414 → 518 (+104)
9.83% less ownership
Funds ownership: 95.35% → 85.52% (-9.8%)
12% less call options, than puts
Call options by funds: $612M | Put options by funds: $698M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Neuberger Berman Group
New York
|
+$82.2M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
+$78.6M |
| 3 |
PCH
Polar Capital Holdings
London,
United Kingdom
|
+$76.1M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$74.3M |
| 5 |
D.E. Shaw & Co
New York
|
+$71.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DnB Asset Management
Oslo,
Norway
|
-$366M |
| 2 |
Fidelity International
Hamilton,
Bermuda
|
-$264M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$159M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$137M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
-$136M |
SNDK Hedge Fund Activity: Q3 2025 in Review
518 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Sandisk (SNDK) for Q3 2025, worth a combined $14B — up 123% from $6.28B a quarter earlier.
Buyers outnumbered sellers: 171 funds opened new SNDK positions and 63 closed out — a net gain of 108 holders — while 151 added to existing stakes and 119 trimmed.
The largest buyer was Neuberger Berman Group, adding an estimated $82.2M. The largest seller was DnB Asset Management, cutting an estimated $366M.
- 518 institutional investors held Sandisk (SNDK) as of Q3 2025, up from 414 in Q2 2025.
- Funds reported $14B of Sandisk stock for Q3 2025, up 123% quarter-over-quarter.
- 171 funds opened new Sandisk positions in Q3 2025 and 63 closed out, a net change of +108 holders.
- The largest Sandisk buyer in Q3 2025 was Neuberger Berman Group, an estimated $82.2M added.
- The largest Sandisk seller in Q3 2025 was DnB Asset Management, an estimated $366M sold.
Based on aggregated 13F filings for Q3 2025.