Sumitomo Mitsui DS Asset Management Company 13F: Adds $32M to SNDK Stake

Sumitomo Mitsui DS Asset Management boosted its stake in Sandisk Corporation (SNDK) by 18,517 shares during the quarter, bringing its total holding to 30,039 shares. The investment was disclosed in a Form 13F filing with the SEC on October 20, 2026. The reported value of the position stood at about $52.3 million.

SNDK Sandisk Corporation

$1,365.38 ▲ +396.07% year to date

1M 3M YTD

Daily close · Oct 20, 2026

What Changed in Sumitomo Mitsui DS Asset Management's Sandisk Position

The fund expanded its position by a 160.7% increase, lifting its previous count of 11,522 shares up to 30,039 shares. Sandisk Corporation closed at $1,365.38 on the day of the filing.

Other Institutional Activity in Sandisk

Clear Street Group Inc. grew its holdings by 1,758,833 shares, ending with 2,983,392 shares worth about $4.1 billion. Situational Awareness LP grew its holdings by 1,355,241 shares, ending with 2,495,344 shares worth about $3.4 billion.

Sandisk Corporation Stock Up 5.1%

Sandisk Corporation recently traded around $1,365.38 as of October 21, 2026, which was about equal to its close on the filing date. The stock recently traded 12.2% above its 200-day moving average and 37.2% below its mean price target of $2,173.0.

Recent Earnings

Sandisk reported $20.2 billion in trailing twelve-month revenue alongside earnings of $73.76 per share. The computer hardware maker generated a net profit margin of 56.5% and a return on equity of 91.6%. The company's next earnings report is scheduled for October 29, 2026.

Insider Buying and Selling at Sandisk Corporation

Officer Bernard Shek sold 2,308 shares on September 8, 2026, at an average price of $1,767.33 for a total value of about $4.1 million. Chief Executive Officer David V. Goeckeler sold 33,838 shares on September 14, 2026, worth about $51.7 million, and later sold 33,841 shares on September 17, 2026, worth about $53.3 million. Chief Financial Officer Lomelin Luis Felipe Visoso sold 1,000 shares on September 15, 2026, at an average price of $1,568.83 for a total value of about $1.6 million.

Analysts Set New Price Targets

On August 14, 2026, RBC Capital maintained a Sector Perform rating and raised its price target to $1,600.0 from $1300.0. On the same day, Wells Fargo maintained an Equal-Weight rating and raised its price target to $1,550.0 from $1,400.0. Mizuho maintained an Outperform rating while adjusting its price target from $1,900.0 to $1,875.0 on August 25, 2026, and later raised the target to $2,050.0 on October 6, 2026. Rosenblatt initiated coverage with a Buy rating and a $2,400.0 price target on September 22, 2026. Overall, the stock carries a buy consensus from 24 analyst opinions.

About Sandisk

Sandisk Corporation develops, manufactures, and sells data storage devices and solutions using NAND flash technology. Headquartered in Milpitas, California, the company serves customers across the Americas, Europe, the Middle East, Africa, and Asia.

Bottom Line

Investors will look toward the upcoming earnings release on October 29, 2026, for further updates on financial performance. Monitoring subsequent institutional disclosures will help track how large asset managers adjust their positions moving forward.