Parallax Volatility Advisers
SNDK

Parallax Volatility Advisers’s Sandisk SNDK Stock Holding History

Parallax Volatility Advisers’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 		$6.61M Buy
10,400
+2,700
+35% +$1.53M 0.02% 507
2025
Q4 		$1.83M Buy
7,700
+4,000
+108% +$801K ﹤0.01% 972
2025
Q3 		$415K Buy
+3,700
New +$216K ﹤0.01% 1280

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

Parallax Volatility Advisers's SNDK Position: Q1 2026 in Review

Parallax Volatility Advisers reduced its Sandisk (SNDK) stake by 91% in Q1 2026, selling an estimated $19.3M and leaving 3,468 shares worth $2.2M. The position accounts for 0.01% of the portfolio, ranked #763.

Parallax Volatility Advisers first reported a position in SNDK in Q1 2025 and has held it in 5 quarters since. The position peaked at $8.94M in Q4 2025. 1,170 funds tracked by Wall St. Rank hold SNDK as of Q1 2026.

  • Parallax Volatility Advisers held 3,468 shares of Sandisk worth $2.2M as of Q1 2026.
  • Parallax Volatility Advisers sold 34,202 Sandisk shares in Q1 2026, an estimated $19.3M.
  • Sandisk made up 0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #763 holding.
  • Parallax Volatility Advisers first reported a position in Sandisk in Q1 2025 and has held it in 5 quarters since.
  • Parallax Volatility Advisers's Sandisk position peaked at $8.94M in Q4 2025.
  • 1,170 funds tracked by Wall St. Rank held Sandisk as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.