SCHEDULE: American Century Discloses 2.4% Stake in Kosmos Energy

American Century Investment Management and its affiliates have reported a 2.4% beneficial ownership stake in Kosmos Energy Ltd. common stock as of December 31, 2025.

Summary

• American Century Investment Management, Inc., American Century Companies, Inc., and Stowers Institute for Medical Research collectively beneficially own 11,300,711 shares of Kosmos Energy Ltd. Common Stock.
• This aggregate amount represents 2.4% of the class of securities.
• The reporting persons hold sole voting power over 9,736,137 shares.
• They hold sole dispositive power over 11,300,711 shares.
• No shared voting or dispositive power is reported by the entities.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a routine disclosure of beneficial ownership by institutional investors, with no immediate positive or negative implications for the company's operational or financial performance.

Future Outlook

NA

Industry Context

StockSavvy.ai notes that this filing is a routine disclosure of institutional ownership, common among investment managers. It reflects American Century's position in Kosmos Energy, an independent oil and gas exploration and production company, without indicating any specific strategic or operational shifts within the broader energy sector.

Stakeholder Impact

• Shareholders: Provides transparency regarding significant institutional ownership in Kosmos Energy Ltd.

Key Dates

Keywords

Kosmos Energy, American Century Investment Management, Beneficial Ownership, Schedule 13G, Common Stock, Institutional Investment