Sandisk
SNDK
1,181 hedge funds and large institutions have $70.9B invested in Sandisk in 2026 Q1 according to their latest regulatory filings, with 508 funds opening new positions, 329 increasing their positions, 287 reducing their positions, and 50 closing their positions.
916% more first-time investments, than exits
New positions opened: 508 | Existing positions closed: 50
155% more funds holding in top 10
Funds holding in top 10: 31 → 79 (+48)
60% more funds holding
Funds holding: 736 → 1,181 (+445)
44% more capital inflows, than outflows
Capital inflows: $20.2B | Capital outflows: $14.1B
15% more repeat investments, than reductions
Existing positions increased: 329 | Existing positions reduced: 287
12% more call options, than puts
Call options by funds: $11.6B | Put options by funds: $10.4B
6.33% less ownership
Funds ownership: 82.29% → 75.96% (-6.3%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
+$782M |
| 2 |
CS
Clear Street
New York
|
+$692M |
| 3 |
Jane Street
New York
|
+$532M |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$493M |
| 5 |
HF
HRT Financial
New York
|
+$467M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$4.56B |
| 2 |
D.E. Shaw & Co
New York
|
-$520M |
| 3 |
MAP
Madison Avenue Partners
New York
|
-$460M |
| 4 |
EQF
Evergreen Quality Fund
Grand Cayman,
Cayman Islands
|
-$409M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$369M |
SNDK Hedge Fund Activity: Q1 2026 in Review
1,181 of the 8,210 institutional investors tracked by Wall St. Rank reported a position in Sandisk (SNDK) for Q1 2026, worth a combined $70.9B — up 148% from $28.7B a quarter earlier.
Buyers outnumbered sellers: 508 funds opened new SNDK positions and 50 closed out — a net gain of 458 holders — while 329 added to existing stakes and 287 trimmed.
The largest buyer was Goldman Sachs, adding an estimated $782M. The largest seller was Fidelity Investments, cutting an estimated $4.56B.
- 1,181 institutional investors held Sandisk (SNDK) as of Q1 2026, up from 736 in Q4 2025.
- Funds reported $70.9B of Sandisk stock for Q1 2026, up 148% quarter-over-quarter.
- 508 funds opened new Sandisk positions in Q1 2026 and 50 closed out, a net change of +458 holders.
- The largest Sandisk buyer in Q1 2026 was Goldman Sachs, an estimated $782M added.
- The largest Sandisk seller in Q1 2026 was Fidelity Investments, an estimated $4.56B sold.
Based on aggregated 13F filings for Q1 2026.