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SNDK

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.

New
Increased
Maintained
Reduced
Closed

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)

Holders
414
Holders Change
-5
Holders Change %
-1.19%
% of All Funds
5.45%
Holding in Top 10
5
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-16.67%
% of All Funds
0.07%
New
95
Increased
135
Reduced
124
Closed
98
Calls
$142M
Puts
$99.8M
Net Calls
+$42.2M
Net Calls Change
-$30.8M

Top Buyers

Rank Fund Capital Flow
1
Fidelity International
Fidelity International
Bermuda
+$147M
2
MAP
Madison Avenue Partners
New York
+$137M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$110M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$95.2M
5
BlackRock
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
JP Morgan Chase
New York
-$34.5M
5
AT
AMF Tjänstepension
Sweden
-$29.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
IC
101
IEQ Capital
California
$3.13M +$2.01M +52,472 +318%
Aberdeen Group
102
Aberdeen Group
United Kingdom
$3.11M +$144K +3,769 +6%
SAM
103
Storebrand Asset Management
Norway
$3.09M – – –
Nordea Investment Management
104
Nordea Investment Management
Sweden
$3.08M +$2.54M +66,351 New
ACM
105
Arvin Capital Management
Texas
$3.04M +$529K +13,842 +26%
New York State Common Retirement Fund
106
New York State Common Retirement Fund
New York
$3M +$325K +8,500 +15%
American Century Companies
107
American Century Companies
Missouri
$2.93M +$73.5K +1,921 +3%
LSERS
108
Louisiana State Employees Retirement System
Louisiana
$2.86M +$337K +8,800 +16%
Treasurer of the State of North Carolina
109
Treasurer of the State of North Carolina
North Carolina
$2.86M +$316K +8,259 +15%
Comerica Bank
110
Comerica Bank
Texas
$2.8M +$446K +11,649 +23%
HF
111
HRT Financial
New York
$2.76M +$2.33M +60,905 New
First Trust Advisors
112
First Trust Advisors
Illinois
$2.69M +$72.1K +1,886 +3%
IMRF
113
Illinois Municipal Retirement Fund
Illinois
$2.64M +$181K +4,722 +9%
SO
114
STRS Ohio
Ohio
$2.64M +$123K +3,223 +6%
State of Wisconsin Investment Board
115
State of Wisconsin Investment Board
Wisconsin
$2.6M +$892K +23,326 +69%
YIH
116
Y-Intercept (HK)
Hong Kong
$2.57M +$2.17M +56,732 New
PCM
117
Polymer Capital Management
New York
$2.53M -$3.14M -82,227 -60%
State of Tennessee, Department of Treasury
118
State of Tennessee, Department of Treasury
Tennessee
$2.5M +$151K +3,954 +8%
SEI Investments
119
SEI Investments
Pennsylvania
$2.44M +$725K +18,965 +55%
D.E. Shaw & Co
120
D.E. Shaw & Co
New York
$2.43M -$688K -17,989 -25%
YCM
121
Yousif Capital Management
Michigan
$2.4M +$304K +7,938 +18%
VOYA Investment Management
122
VOYA Investment Management
Georgia
$2.32M +$194K +5,068 +11%
PFSRSONJ
123
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.31M +$1.31M +34,128 +203%
Royal London Asset Management
124
Royal London Asset Management
United Kingdom
$2.3M +$47K +1,230 +2%
Cerity Partners
125
Cerity Partners
New York
$2.3M +$1.94M +50,671 New
3 4
5
6 7

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.