Vanguard Portfolio Management filed a Schedule 13G with the SEC on October 30, 2026, disclosing beneficial ownership of 6,012,770 shares of Kodiak Gas Services Inc common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Vanguard Portfolio Management reported holding 6,012,770 shares of Kodiak Gas Services Inc common stock.
  • Percent of class: The reported stake represents 5.94% of the outstanding common stock.
  • Sole dispositive power: Vanguard Portfolio Management holds sole power to dispose of all 6,012,770 shares.
  • Sole voting power: Sole voting power covers only 94,783 shares, with shared voting power reported as zero.
  • Event date: The filing is triggered by an event dated September 30, 2026.
  • Affiliates included: The filing reflects securities attributable to Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC, as affiliates or business divisions.

Vanguard Portfolio Management Crosses 5% Threshold in Kodiak Gas Services

According to the Schedule 13G filed October 30, 2026, Vanguard Portfolio Management, organized in Pennsylvania and operating as an investment adviser, disclosed beneficial ownership of 6,012,770 shares of common stock in Kodiak Gas Services Inc (NYSE:KGS), whose principal offices are located at 15320 Hwy 105 W, Suite 210, Montgomery, TX, 77356. The filing identifies the CUSIP number for the relevant securities as 50012A108.

The filing states that Vanguard Portfolio Management holds sole dispositive power over all 6,012,770 shares, while sole voting power extends to only 94,783 shares. Shared voting power and shared dispositive power are each reported as zero. The filing notes, in accordance with SEC Release No. 34-39538 (January 12, 1998), that the reported holdings include securities held by Vanguard funds or sleeves thereof, as well as accounts managed by affiliates Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC. The filing further notes it does not include securities, if any, beneficially owned by other subsidiaries or affiliates of Vanguard Portfolio Management whose ownership is disaggregated from that of the reporting business unit.

With respect to Item 6, the filing discloses that Vanguard Portfolio Management, "including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein," and states that no single other person's interest in the reported securities exceeds 5%. The filing was signed by My Trieu-Gatt, identified as Authorized Signatory, Head of Global Fund Administration.

What Was Disclosed

Vanguard Portfolio Management filed a Schedule 13G reporting beneficial ownership of 6,012,770 shares, or 5.94%, of Kodiak Gas Services Inc common stock as of September 30, 2026, with sole dispositive power over all reported shares and sole voting power over 94,783 shares.