Swiss National Bank Reduces Illumina Holdings

The institutional investor sold 21,100 shares of the life sciences company in Q3 2025.

Mar. 13, 2026 at 9:54am

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Swiss National Bank, a major institutional investor, reduced its holdings in Illumina, Inc. (NASDAQ:ILMN) by 4.4% during the third quarter of 2025. The bank now owns 456,300 shares of the life sciences company's stock, valued at $43.34 million as of its most recent SEC filing.

Why it matters

Illumina is a leading provider of genetic sequencing technology, and changes in ownership by major institutional investors like Swiss National Bank can signal shifts in market sentiment around the company and its prospects.

The details

According to the 13F filing, Swiss National Bank sold 21,100 Illumina shares during the third quarter, reducing its total stake in the company to 456,300 shares. This represents around 0.30% of Illumina's outstanding shares. The filing indicates the bank's overall position in Illumina was worth $43.34 million as of the end of the quarter.

  • Swiss National Bank filed its 13F report for Q3 2025 on March 13, 2026.

The players

Swiss National Bank

A major institutional investor and central bank of Switzerland.

Illumina, Inc.

A leading life sciences company that develops and markets genetic sequencing technologies.

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The takeaway

The reduction in Swiss National Bank's Illumina holdings, while relatively small, could signal broader investor caution around the life sciences sector or concerns about Illumina's competitive positioning and growth prospects.