Sandisk
SNDK
414 hedge funds and large institutions have $6.28B invested in Sandisk in 2025 Q2 according to their latest regulatory filings, with 95 funds opening new positions, 135 increasing their positions, 124 reducing their positions, and 98 closing their positions.
42% more call options, than puts
Call options by funds: $142M | Put options by funds: $99.8M
21% more capital invested
Capital invested by funds: $5.21B → $6.28B (+$1.07B)
9% more repeat investments, than reductions
Existing positions increased: 135 | Existing positions reduced: 124
0.06% more ownership
Funds ownership: 95.29% → 95.35% (+0.06%)
3% less first-time investments, than exits
New positions opened: 95 | Existing positions closed: 98
1% less funds holding
Funds holding: 419 → 414 (-5)
17% less funds holding in top 10
Funds holding in top 10: 6 → 5 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity International
Hamilton,
Bermuda
|
+$147M |
| 2 |
MAP
Madison Avenue Partners
New York
|
+$137M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$110M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
+$95.2M |
| 5 |
BlackRock
New York
|
+$90.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SC
Samlyn Capital
New York
|
-$59.4M |
| 2 |
CLGM
Capitolis Liquid Global Markets
New York
|
-$38.1M |
| 3 |
KI
Keystone Investors
Singapore
|
-$36.5M |
| 4 |
JP Morgan Chase
New York
|
-$34.5M |
| 5 |
AT
AMF Tjänstepension
Stockholm,
Sweden
|
-$29.8M |
SNDK Hedge Fund Activity: Q2 2025 in Review
414 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Sandisk (SNDK) for Q2 2025, worth a combined $6.28B — up 21% from $5.21B a quarter earlier.
Sellers outnumbered buyers: 98 funds closed out of SNDK and 95 opened new positions — a net loss of 3 holders — while 124 trimmed existing stakes and 135 added.
The largest buyer was Fidelity International, adding an estimated $147M. The largest seller was Samlyn Capital, exiting entirely with an estimated $59.4M sold.
- 414 institutional investors held Sandisk (SNDK) as of Q2 2025, down from 419 in Q1 2025.
- Funds reported $6.28B of Sandisk stock for Q2 2025, up 21% quarter-over-quarter.
- 95 funds opened new Sandisk positions in Q2 2025 and 98 closed out, a net change of -3 holders.
- The largest Sandisk buyer in Q2 2025 was Fidelity International, an estimated $147M added.
- The largest Sandisk seller in Q2 2025 was Samlyn Capital, an estimated $59.4M sold.
Based on aggregated 13F filings for Q2 2025.