MAP
SNDK

Madison Avenue Partners’s Sandisk SNDK Stock Holding History

Madison Avenue Partners’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 		$22.1M Sell
9,698
-609,312
-98% -$870M 0.95% 19
2026
Q1 		$393M Sell
619,010
-815,162
-57% -$460M 17.1% 1
2025
Q4 		$340M Sell
1,434,172
-628,349
-30% -$126M 14.63% 1
2025
Q3 		$231M Sell
2,062,521
-1,508,588
-42% -$88.1M 13.81% 2
2025
Q2 		$162M Buy
+3,571,109
New +$137M 10.81% 4

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

Madison Avenue Partners's SNDK Position: Q2 2026 in Review

Madison Avenue Partners reduced its Sandisk (SNDK) stake by 98% in Q2 2026, selling an estimated $870M and leaving 9,698 shares worth $22.1M. The position accounts for 0.95% of the portfolio, ranked #19.

Madison Avenue Partners first reported a position in SNDK in Q2 2025 and has held it in 5 quarters since. The position peaked at $393M in Q1 2026. 1,822 funds tracked by Wall St. Rank hold SNDK as of Q2 2026.

  • Madison Avenue Partners held 9,698 shares of Sandisk worth $22.1M as of Q2 2026.
  • Madison Avenue Partners sold 609,312 Sandisk shares in Q2 2026, an estimated $870M.
  • Sandisk made up 0.95% of Madison Avenue Partners's portfolio in Q2 2026, its #19 holding.
  • Madison Avenue Partners first reported a position in Sandisk in Q2 2025 and has held it in 5 quarters since.
  • Madison Avenue Partners's Sandisk position peaked at $393M in Q1 2026.
  • 1,822 funds tracked by Wall St. Rank held Sandisk as of Q2 2026.

Based on Madison Avenue Partners's 13F filing for Q2 2026, filed 14 Aug 2026.