SCHEDULE: Wellington Management Discloses Stake in American Water Works

Wellington Management Group LLP and its affiliates have reported beneficial ownership of 5.8% of American Water Works Company, Inc. common stock as of March 31, 2026.

Summary

• Wellington Management Group LLP, along with its affiliates Wellington Group Holdings LLP, Wellington Investment Advisors Holdings LLP, and Wellington Management Company LLP, has filed a Schedule 13G.
• This filing indicates beneficial ownership of 11,313,847 shares of American Water Works Company, Inc. common stock.
• This represents approximately 5.8% of the class of securities.
• The reporting entities are classified as investment advisers (IA) and holding companies (HC).
• The filing date for this event is March 31, 2026, with the statement filed on May 15, 2026.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing. It's a standard disclosure of institutional ownership and does not provide new operational or financial information about American Water Works Company, Inc. itself.

Positives

• Significant institutional ownership by a major asset manager, which can be seen as a vote of confidence in the company's long-term prospects.
• The filing confirms a substantial holding, indicating active investment in American Water Works Company, Inc.

Negatives

• The filing does not contain any negative financial results or operational issues; it is purely a disclosure of ownership.

Risks

• While not explicitly stated as risks in this filing, significant institutional ownership can sometimes lead to increased shareholder activism or pressure for strategic changes.
• The filing does not detail any specific risks associated with American Water Works Company, Inc. itself, as it is a Schedule 13G focused on beneficial ownership.

Future Outlook

This filing is a disclosure of beneficial ownership and does not contain forward-looking statements or guidance from American Water Works Company, Inc. or Wellington Management regarding future performance.

Management Comments

• "The securities as to which this Schedule is filed are owned of record by clients of one or more investment advisers identified in Item 7 directly or indirectly owned by Wellington Management Group LLP."
• "No such client is known to have such right or power with respect to more than five percent of this class of securities, except as follows: Not Applicable."
• "By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11."

Industry Context

StockSavvy.ai notes that a Schedule 13G filing by a prominent asset manager like Wellington Management indicates a significant investment in the utility sector, a traditionally stable industry. This level of ownership by an institutional investor often reflects confidence in the company's regulated revenue streams and essential service provision.

Stakeholder Impact

• Shareholders: The significant stake by Wellington Management may be viewed positively, suggesting institutional confidence, but also implies potential for increased influence on corporate decisions.
• Management of American Water Works Company, Inc.: May face increased scrutiny or engagement from a large institutional holder.
• Other Investors: The filing provides transparency on a major shareholder, aiding other investors in their analysis.

Next Steps

• Wellington Management Group LLP and its affiliates will continue to hold their shares in American Water Works Company, Inc.
• Future amendments to this Schedule 13G will be filed if there are any material changes in beneficial ownership.

Key Dates

Keywords

American Water Works Company, Schedule 13G, Wellington Management, Institutional Ownership, Beneficial Ownership, Common Stock, SEC Filing, Investment Adviser