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
Q2 		$1.82M Sell
800
-9,600
-92% -$13.7M ﹤0.01% 827
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

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

Parallax Volatility Advisers's SNDK Position: Q2 2026 in Review

Parallax Volatility Advisers increased its Sandisk (SNDK) stake by 92% in Q2 2026, buying an estimated $4.54M and bringing the position to 6,649 shares worth $15.1M. The position accounts for 0.03% of the portfolio, ranked #320.

Parallax Volatility Advisers first reported a position in SNDK in Q1 2025 and has held it in 6 quarters since. 1,822 funds tracked by Wall St. Rank hold SNDK as of Q2 2026.

  • Parallax Volatility Advisers held 6,649 shares of Sandisk worth $15.1M as of Q2 2026.
  • Parallax Volatility Advisers bought 3,181 Sandisk shares in Q2 2026, an estimated $4.54M.
  • Sandisk made up 0.03% of Parallax Volatility Advisers's portfolio in Q2 2026, its #320 holding.
  • Parallax Volatility Advisers first reported a position in Sandisk in Q1 2025 and has held it in 6 quarters since.
  • 1,822 funds tracked by Wall St. Rank held Sandisk as of Q2 2026.

Based on Parallax Volatility Advisers's 13F filing for Q2 2026, filed 14 Aug 2026.