Quantbot Technologies Trims Stake in iRhythm Technologies

Hedge fund reduces holdings in medical technology company by nearly two-thirds

Published on Mar. 6, 2026

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Quantbot Technologies LP, a hedge fund, reduced its holdings in shares of iRhythm Technologies (NASDAQ:IRTC) by 63.9% in the third quarter, according to the company's recent 13F filing with the Securities and Exchange Commission. The fund now owns 8,385 shares of the company's stock, down from 23,242 shares previously.

Why it matters

iRhythm Technologies is a medical technology company that develops wearable cardiac monitoring devices and data analytics services. The reduction in Quantbot's stake could signal a shift in investor sentiment or portfolio strategy, potentially impacting the company's stock price and market position.

The details

According to the 13F filing, Quantbot Technologies sold 14,857 shares of iRhythm Technologies during the third quarter, leaving the fund with a remaining position of 8,385 shares valued at $1.44 million. The filing does not provide specific reasons for the hedge fund's decision to trim its stake in the company.

  • Quantbot Technologies reduced its holdings in iRhythm Technologies in the 3rd quarter of 2026.

The players

Quantbot Technologies LP

A hedge fund that reduced its holdings in iRhythm Technologies by nearly two-thirds in the third quarter of 2026.

iRhythm Technologies

A medical technology company that develops wearable cardiac monitoring devices and data analytics services.

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The takeaway

The reduction in Quantbot's stake in iRhythm Technologies could signal a shift in investor sentiment or portfolio strategy, potentially impacting the company's stock price and market position. However, without further details from the hedge fund, it's difficult to determine the specific reasons behind the decision.