Simplex Trading
SNDK

Simplex Trading’s Sandisk SNDK Stock Holding History

Simplex Trading’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
Q1 		$182M Buy
286,200
+54,500
+24% +$30.8M 0.12% 70
2025
Q4 		$55M Buy
231,700
+33,200
+17% +$6.65M 0.03% 267
2025
Q3 		$22.3M Buy
198,500
+169,700
+589% +$9.91M 0.01% 596
2025
Q2 		$1.31M Buy
28,800
+13,500
+88% +$516K ﹤0.01% 2504
2025
Q1 		$728K Buy
+15,300
New +$760K ﹤0.01% 3007

Other funds holding SNDK

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Simplex Trading's SNDK Position: Q1 2026 in Review

Simplex Trading reduced its Sandisk (SNDK) stake by 98% in Q1 2026, selling an estimated $36.3M and leaving 1,558 shares worth $990K. The position accounts for ﹤0.01% of the portfolio, ranked #2512.

Simplex Trading first reported a position in SNDK in Q1 2025 and has held it in 4 quarters since. The position peaked at $15.6M in Q4 2025. 1,170 funds tracked by Wall St. Rank hold SNDK as of Q1 2026.

  • Simplex Trading held 1,558 shares of Sandisk worth $990K as of Q1 2026.
  • Simplex Trading sold 64,337 Sandisk shares in Q1 2026, an estimated $36.3M.
  • Sandisk made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #2512 holding.
  • Simplex Trading first reported a position in Sandisk in Q1 2025 and has held it in 4 quarters since.
  • Simplex Trading's Sandisk position peaked at $15.6M in Q4 2025.
  • 1,170 funds tracked by Wall St. Rank held Sandisk as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.