Polar Asset Management Partners Trims Stake in Impinj

The investment firm reduced its holdings in the RFID technology company by over 26% in the third quarter.

Mar. 19, 2026 at 9:37am

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Polar Asset Management Partners Inc. has reduced its stake in Impinj, Inc. (NASDAQ:PI) by 26.1% in the third quarter, according to a recent 13F filing with the Securities and Exchange Commission. The firm now owns 85,511 shares of the RFID technology company's stock, down from 115,645 shares previously.

Why it matters

Impinj is a leading provider of RFID technology used in supply chain management, retail, and other industries. Changes in major institutional investors' holdings can signal shifts in market sentiment around the company.

The details

Polar Asset Management Partners sold 30,134 shares of Impinj during the third quarter, reducing its total position to 85,511 shares worth $15.5 million. The firm now owns 0.28% of Impinj's outstanding shares. Other large investors, including Invesco Ltd. and William Blair Investment Management, have also made changes to their Impinj holdings in recent quarters.

  • Polar Asset Management Partners filed its 13F report for the third quarter of 2026 on March 19, 2026.

The players

Polar Asset Management Partners Inc.

An investment management firm that has reduced its stake in Impinj, Inc.

Impinj, Inc.

A Seattle-based company that provides RFID technology solutions for supply chain, retail, and other industries.

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The takeaway

Polar Asset Management Partners' reduced stake in Impinj could signal broader market uncertainty around the RFID technology company's prospects, though the firm remains a significant shareholder. Investors will likely watch for further changes in institutional ownership and analyst sentiment around Impinj in the coming quarters.