Telephone and Data Systems Shares Sold by 140 Summer Partners LP

Institutional investor reduces stake in wireless communications provider

Mar. 15, 2026 at 7:06am

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140 Summer Partners LP, an institutional investor, reduced its stake in Telephone and Data Systems, Inc. (NYSE:TDS) by 24.1% during the 3rd quarter, according to a recent SEC filing. The firm now owns approximately 1.09% of Telephone and Data Systems, making it the 15th largest holding in its portfolio.

Why it matters

This filing provides insight into the investment strategy and portfolio adjustments of 140 Summer Partners LP, a notable institutional investor. The reduction in Telephone and Data Systems shares could signal a shift in the firm's outlook on the wireless communications provider or broader market trends.

The details

According to the SEC filing, 140 Summer Partners LP sold 396,181 shares of Telephone and Data Systems during the 3rd quarter, reducing its total stake to 1,249,158 shares. The firm cited the Wireless communications provider's stock as comprising approximately 4.3% of its overall portfolio.

  • The filing covers the 3rd quarter of the year.

The players

140 Summer Partners LP

An institutional investor that has reduced its stake in Telephone and Data Systems, Inc.

Telephone and Data Systems, Inc.

A diversified telecommunications company headquartered in Chicago, Illinois that provides wireless voice and data, wireline broadband and voice, cable television, and managed IT and cloud solutions.

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The takeaway

This filing highlights the ongoing portfolio adjustments and investment strategies of institutional investors like 140 Summer Partners LP. While the reasons behind the stake reduction are not explicitly stated, it provides a data point on the market's perception of Telephone and Data Systems and the broader telecommunications industry.