Mariner
SNDK

Mariner’s Sandisk SNDK Stock Holding History

Mariner’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 		$33.8M Buy
53,292
+2,089
+4% +$1.18M 0.04% 344
2025
Q4 		$12.2M Buy
51,203
+11,168
+28% +$2.24M 0.01% 622
2025
Q3 		$4.49M Buy
40,035
+21,131
+112% +$1.23M 0.01% 981
2025
Q2 		$857K Buy
18,904
+5,162
+38% +$197K ﹤0.01% 1913
2025
Q1 		$654K Buy
+13,742
New +$683K ﹤0.01% 1980

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

Mariner's SNDK Position: Q1 2026 in Review

Mariner increased its Sandisk (SNDK) stake by 4.1% in Q1 2026, buying an estimated $1.18M and bringing the position to 53,292 shares worth $33.8M. The position accounts for 0.04% of the portfolio, ranked #344.

Mariner first reported a position in SNDK in Q1 2025 and has held it in 5 quarters since. 1,170 funds tracked by Wall St. Rank hold SNDK as of Q1 2026.

  • Mariner held 53,292 shares of Sandisk worth $33.8M as of Q1 2026.
  • Mariner bought 2,089 Sandisk shares in Q1 2026, an estimated $1.18M.
  • Sandisk made up 0.04% of Mariner's portfolio in Q1 2026, its #344 holding.
  • Mariner first reported a position in Sandisk in Q1 2025 and has held it in 5 quarters since.
  • 1,170 funds tracked by Wall St. Rank held Sandisk as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.