JO
SNDK

John Overdeck’s Sandisk SNDK Stock Holding History

John Overdeck’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 		$550M Sell
241,675
-521,051
-68% -$744M 0.4% 40
2026
Q1 		$485M Buy
762,726
+47,501
+7% +$26.8M 0.39% 39
2025
Q4 		$170M Buy
715,225
+454,864
+175% +$91.1M 0.24% 102
2025
Q3 		$29.2M Buy
+260,361
New +$15.2M 0.04% 495

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

John Overdeck's SNDK Position: Q2 2026 in Review

John Overdeck reduced its Sandisk (SNDK) stake by 68% in Q2 2026, selling an estimated $744M and leaving 241,675 shares worth $550M. The position accounts for 0.4% of the portfolio, ranked #40.

John Overdeck first reported a position in SNDK in Q3 2025 and has held it in 4 quarters since. 1,809 funds tracked by Wall St. Rank hold SNDK as of Q2 2026.

  • John Overdeck held 241,675 shares of Sandisk worth $550M as of Q2 2026.
  • John Overdeck sold 521,051 Sandisk shares in Q2 2026, an estimated $744M.
  • Sandisk made up 0.4% of John Overdeck's portfolio in Q2 2026, its #40 holding.
  • John Overdeck first reported a position in Sandisk in Q3 2025 and has held it in 4 quarters since.
  • 1,809 funds tracked by Wall St. Rank held Sandisk as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.