Asset Management One Increases Stake in Atmos Energy

The investment firm added over 16,000 shares of the natural gas utility in Q4 2025.

Apr. 20, 2026 at 7:06am

An extreme close-up of heavy, industrial natural gas equipment and machinery, conveying the tangible, physical nature of the utility's infrastructure and operations.A major investment firm's increased stake in Atmos Energy reflects confidence in the natural gas utility's long-term growth potential.Dallas Today

Asset Management One Co. Ltd. raised its stake in shares of Atmos Energy Corporation (NYSE:ATO) by 12.8% in the 4th quarter, according to the company's recent SEC filing. The fund now owns 143,737 shares of the utilities provider's stock, worth $24.2 million.

Why it matters

Atmos Energy is a major natural gas utility serving customers across the south-central United States. The increase in ownership by a large institutional investor like Asset Management One suggests confidence in the company's long-term growth prospects.

The details

Asset Management One purchased an additional 16,256 shares of Atmos Energy in the fourth quarter, bringing its total position to 143,737 shares. This represents a 12.8% increase in the firm's stake in the utility company.

  • Asset Management One filed its 13F report for the 4th quarter of 2025 on April 20, 2026.
  • The firm increased its Atmos Energy holdings during the 4th quarter of 2025.

The players

Asset Management One Co. Ltd.

A large Japanese investment management firm that oversees over $500 billion in assets.

Atmos Energy Corporation

A U.S. natural gas utility company headquartered in Dallas, Texas that distributes gas to over 3 million customers across 8 states.

Got photos? Submit your photos here. ›

The takeaway

The increased stake by Asset Management One suggests the firm sees long-term value in Atmos Energy's natural gas distribution business, which could signal positive growth prospects for the utility company.