American Century Companies Inc. Increases Stake in Select Water Solutions, Inc.

Investment firm raises ownership in water management services provider

Published on Mar. 7, 2026

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American Century Companies Inc. increased its stake in Select Water Solutions, Inc. (NYSE:WTTR) by 6.5% during the third quarter, according to a recent SEC filing. The investment firm now owns approximately 3.9 million shares, or 3.22% of the company's stock, valued at $41.7 million.

Why it matters

The increased investment by American Century Companies, a major institutional investor, signals confidence in Select Water Solutions' business model and growth potential within the water management services industry, particularly serving the oil and gas sector.

The details

According to the 13F filing, American Century Companies acquired an additional 238,898 shares of Select Water Solutions during the third quarter, bringing its total ownership to 3,899,603 shares. This represents a 6.5% increase in the firm's stake in the company. Select Water Solutions provides a range of water management services, including water treatment, recycling, and disposal, primarily serving oil and gas customers in key U.S. basins.

  • The stake increase occurred during the third quarter of the most recent fiscal year.

The players

American Century Companies Inc.

A major investment management firm that oversees over $200 billion in assets.

Select Water Solutions, Inc.

A water management services provider primarily serving the oil and gas industry, headquartered in Houston, Texas.

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The takeaway

The increased stake by American Century Companies in Select Water Solutions suggests the investment firm sees long-term growth potential in the water management services industry, particularly as oil and gas companies focus on sustainable water solutions. This could signal further institutional interest and investment in the sector.