Jim Simons’s Sandisk SNDK Stock Holding History

Jim Simons’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	$508M	Sell	799,568 -409,432	-34%	-$231M	0.79%	9
2025 Q4	$287M	Buy	1,209,000 +373,800	+45%	+$74.9M	0.45%	31
2025 Q3	$93.7M	Buy	835,200 +422,100	+102%	+$24.6M	0.12%	176
2025 Q2	$18.7M	Buy	+413,100	New	+$15.8M	0.02%	742

Other funds holding SNDK

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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 New York $1.66T AUM 25.57% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Jim Simons's SNDK Position: Q1 2026 in Review

Jim Simons reduced its Sandisk (SNDK) stake by 34% in Q1 2026, selling an estimated $231M and leaving 799,568 shares worth $508M. The position accounts for 0.79% of the portfolio, ranked #9.

Jim Simons first reported a position in SNDK in Q2 2025 and has held it in 4 quarters since. 1,175 funds tracked by Wall St. Rank hold SNDK as of Q1 2026.

Jim Simons held 799,568 shares of Sandisk worth $508M as of Q1 2026.
Jim Simons sold 409,432 Sandisk shares in Q1 2026, an estimated $231M.
Sandisk made up 0.79% of Jim Simons's portfolio in Q1 2026, its #9 holding.
Jim Simons first reported a position in Sandisk in Q2 2025 and has held it in 4 quarters since.
1,175 funds tracked by Wall St. Rank held Sandisk as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.