Leopold Aschenbrenner
SNDK

Leopold Aschenbrenner’s Sandisk SNDK Stock Holding History

Leopold Aschenbrenner’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 		$724M Buy
1,140,119
+85,919
+8% +$48.5M 5.3% 7
2025
Q4 		$250M Buy
1,054,200
+939,200
+817% +$188M 4.54% 9
2025
Q3 		$12.9M Buy
+115,000
New +$6.72M 0.31% 26

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

Leopold Aschenbrenner's SNDK Position: Q1 2026 in Review

Leopold Aschenbrenner increased its Sandisk (SNDK) stake by 8.2% in Q1 2026, buying an estimated $48.5M and bringing the position to 1,140,119 shares worth $724M. The position accounts for 5.3% of the portfolio, ranked #7.

Leopold Aschenbrenner first reported a position in SNDK in Q3 2025 and has held it in 3 quarters since. 1,170 funds tracked by Wall St. Rank hold SNDK as of Q1 2026.

  • Leopold Aschenbrenner held 1,140,119 shares of Sandisk worth $724M as of Q1 2026.
  • Leopold Aschenbrenner bought 85,919 Sandisk shares in Q1 2026, an estimated $48.5M.
  • Sandisk made up 5.3% of Leopold Aschenbrenner's portfolio in Q1 2026, its #7 holding.
  • Leopold Aschenbrenner first reported a position in Sandisk in Q3 2025 and has held it in 3 quarters since.
  • 1,170 funds tracked by Wall St. Rank held Sandisk as of Q1 2026.

Based on Situational Awareness's 13F filing for Q1 2026, filed 18 May 2026.