Capital International Investors Reduces Stake in Southern Company (The)

The investment firm lowered its holdings in the utility provider by 24.1% in the third quarter.

Published on Mar. 10, 2026

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Capital International Investors, a major investment firm, reduced its stake in Southern Company (The) (NYSE:SO) by 24.1% in the third quarter, according to a recent SEC filing. The firm now owns 19,656,303 shares of the utilities provider's stock, valued at $1.86 billion at the end of the reporting period.

Why it matters

Southern Company is one of the largest electric and gas utility companies in the United States, serving customers across the Southeast. Changes in ownership by major institutional investors like Capital International can signal shifts in market sentiment and influence the company's stock performance.

The details

In its 13F filing, Capital International Investors reported selling 6,234,937 shares of Southern Company during the third quarter. The firm now holds a $1.86 billion position in the utility, down from a $2.45 billion stake in the prior quarter. The sale comes as Southern Company's stock has traded in a relatively narrow range over the past year, with the share price fluctuating between $83.09 and $100.83.

  • Capital International Investors filed its 13F report for the third quarter on October 15, 2026.
  • The firm's holdings in Southern Company were valued at $1.86 billion as of the end of the third quarter on September 30, 2026.

The players

Capital International Investors

A major institutional investment firm that manages over $2 trillion in assets globally.

Southern Company (The)

A large electric and gas utility company serving customers across the southeastern United States, with a market capitalization of over $100 billion.

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The takeaway

The reduction in Capital International Investors' stake in Southern Company reflects broader market trends and investor sentiment around utility stocks. While Southern remains a major holding, the sale could signal a shift in the investment firm's outlook on the utility sector.