Boston Partners filed an amended Schedule 13G with the SEC on November 13, 2026, disclosing beneficial ownership of approximately 5,012,280.7 shares of Cactus, Inc. common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Boston Partners reported 5,012,280.7 shares of Cactus, Inc. common stock, representing 7.19% of the class.
  • Sole voting power: Boston Partners holds sole voting power over 3,541,726 shares.
  • Sole dispositive power: Boston Partners holds sole dispositive power over 5,012,280.7 shares.
  • Shared power: Both shared voting power and shared dispositive power are reported as 0.
  • Event date: The date of the event requiring filing is September 30, 2026.
  • Filer classification: Boston Partners is identified as an investment adviser (type "IA") organized in Delaware.

Boston Partners Discloses Amended Beneficial Ownership Position in Cactus, Inc.

According to the filing, Boston Partners, an investment adviser organized in Delaware with its principal office at One Beacon Street, 30th Floor, Boston, Massachusetts 02108, submitted Amendment No. 1 to its Schedule 13G disclosing a beneficial ownership stake in Cactus, Inc. (CUSIP 127203107). The filing states that the shares are "held by Boston Partners on 09/30/2026 for the discretionary account of certain clients." The issuer, Cactus, Inc., is listed with its principal executive offices at 920 Memorial City Way, Suite 300, Houston, Texas 77024.

The filing reports aggregate beneficial ownership of 5,012,280.7 shares, equal to 7.19% of the outstanding common stock class. Of these, Boston Partners holds sole voting power over 3,541,726 shares and sole dispositive power over the full 5,012,280.7 shares. No shared voting or dispositive power is reported. The filing notes that, to the knowledge of Boston Partners, no single person has the right to receive dividends from, or proceeds from the sale of, shares representing more than 5% of the outstanding common stock.

Boston Partners certified, per Item 10 of the filing, that "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." The statement was signed by Ali Farooqi, Senior Compliance Manager, on November 13, 2026.

What Was Disclosed

Boston Partners filed an amended Schedule 13G disclosing that, as of September 30, 2026, it beneficially owned 5,012,280.7 shares of Cactus, Inc. common stock, representing 7.19% of the class, held on behalf of discretionary client accounts.