XT
SNDK

XTX Topco’s Sandisk SNDK Stock Holding History

XTX Topco’s Portfolio SNDK Stock Details SNDK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$987K Sell
434
-2,063
-83% -$2.94M 0.01% 1801
2026
Q1 		$1.59M Sell
2,497
-1,966
-44% -$1.11M 0.03% 1031
2025
Q4 		$1.06M Sell
4,463
-35,356
-89% -$7.08M 0.03% 989
2025
Q3 		$4.47M Sell
39,819
-2,881
-7% -$168K 0.23% 45
2025
Q2 		$1.94M Buy
42,700
+36,437
+582% +$1.39M 0.08% 351
2025
Q1 		$298K Buy
+6,263
New +$311K 0.02% 1413

Other funds holding SNDK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
CS
Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return

XTX Topco's SNDK Position: Q2 2026 in Review

XTX Topco reduced its Sandisk (SNDK) stake by 83% in Q2 2026, selling an estimated $2.94M and leaving 434 shares worth $987K. The position accounts for 0.01% of the portfolio, ranked #1801.

XTX Topco first reported a position in SNDK in Q1 2025 and has held it in 6 quarters since. The position peaked at $4.47M in Q3 2025. 1,824 funds tracked by Wall St. Rank hold SNDK as of Q2 2026.

  • XTX Topco held 434 shares of Sandisk worth $987K as of Q2 2026.
  • XTX Topco sold 2,063 Sandisk shares in Q2 2026, an estimated $2.94M.
  • Sandisk made up 0.01% of XTX Topco's portfolio in Q2 2026, its #1801 holding.
  • XTX Topco first reported a position in Sandisk in Q1 2025 and has held it in 6 quarters since.
  • XTX Topco's Sandisk position peaked at $4.47M in Q3 2025.
  • 1,824 funds tracked by Wall St. Rank held Sandisk as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.