Grantham, Mayo, Van Otterloo & Co. LLC filed an amended beneficial ownership statement with the SEC on November 12, 2026, disclosing a 9.52% stake in Array Technologies Inc as of September 30, 2026.

Key Highlights

  • Reporting person: Grantham, Mayo, Van Otterloo & Co. LLC, a Massachusetts-based investment adviser headquartered at 53 State Street, Suite 3300, Boston, MA 02109.
  • Shares beneficially owned: 14,672,398 shares of Array Technologies Inc common stock (CUSIP 04271T100).
  • Percent of class: 9.52% of the outstanding common stock of Array Technologies Inc.
  • Voting and dispositive power: Sole voting power and sole dispositive power over all 14,672,398 shares; shared voting and shared dispositive power each reported as 0.
  • Triggering date: The event requiring this filing occurred on September 30, 2026.
  • Amendment number: This is Amendment No. 5 to the reporting person's prior filing on the same issuer.
  • Certifying officer: Gregory L. Pottle, Chief Compliance Officer, signed the statement on November 12, 2026.

GMO's Amended Ownership Position in Array Technologies Common Stock

According to the filing, Grantham, Mayo, Van Otterloo & Co. LLC, identified in the document as an investment adviser (type "IA"), reported beneficial ownership of 14,672,398 shares of common stock in Array Technologies Inc, a solar tracker manufacturer headquartered at 3901 Midway Place NE, Albuquerque, NM 87109. The filing is listed on NASDAQ:ARRY. The shares reported represent 9.52% of the issuer's class of common stock, based on the figures provided in the statement.

The filing states that all 14,672,398 shares carry sole voting power and sole dispositive power held by Grantham, Mayo, Van Otterloo & Co. LLC, with no shared voting or dispositive power reported. The firm certified, as stated in Item 10 of the filing, that the securities "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."

This submission is Amendment No. 5, indicating the firm has updated its position in Array Technologies on multiple prior occasions. The event date triggering the current amendment was September 30, 2026, and the statement was dated and filed November 12, 2026, by Gregory L. Pottle in his capacity as Chief Compliance Officer of the firm.

What Was Disclosed

Grantham, Mayo, Van Otterloo & Co. LLC disclosed beneficial ownership of 14,672,398 shares of Array Technologies Inc common stock, representing 9.52% of the class, with sole voting and dispositive power over all reported shares, as of September 30, 2026.