American Century Companies Reduces Stake in Impinj

Institutional investor sells over 37,000 shares of RFID technology company

Published on Mar. 5, 2026

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American Century Companies Inc. has reduced its stake in Impinj, Inc. (NASDAQ:PI) by 9.0% during the third quarter, according to a recent SEC filing. The firm now owns 380,593 shares of the company's stock, down from 418,456 shares previously.

Why it matters

Impinj is a leading provider of RFID technology used in supply chain management, inventory tracking, and other applications. Changes in institutional ownership can signal shifts in market sentiment around the company and its prospects.

The details

American Century Companies sold 37,863 shares of Impinj stock during the third quarter. The firm now owns approximately 1.26% of Impinj, worth an estimated $68.8 million. Other major institutional investors in Impinj include DNB Asset Management, New York State Teachers Retirement System, and Geode Capital Management.

  • The share sale occurred during the third quarter of 2026.

The players

American Century Companies Inc.

A major institutional investment firm that has reduced its stake in Impinj.

Impinj, Inc.

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

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The takeaway

This reduction in ownership by a prominent institutional investor could signal some uncertainty around Impinj's near-term prospects, though the company remains an industry leader in RFID technology. Investors will likely watch for any further changes in institutional holdings and analyst sentiment around the stock.