Massachusetts Financial Services Company filed Amendment No. 4 to its Schedule 13G with the SEC on November 13, 2026, disclosing its beneficial ownership position in Willis Towers Watson PLC as of September 30, 2026.

Key Highlights

  • Filer: Massachusetts Financial Services Company, a Delaware-organized investment adviser, submitted the amended filing.
  • Beneficial ownership: 4,529,810 shares of Willis Towers Watson PLC Common Stock reported as beneficially owned.
  • Percent of class: The position represents 4.87% of the class of securities, constituting 5% or less of the class.
  • Voting and dispositive power: MFS reported sole voting power and sole dispositive power over 4,529,810 shares, with no shared voting or shared dispositive power.
  • Event date: The date of the event requiring this filing was September 30, 2026.
  • Certifying officer: Deepu Pylee, Compliance Director, signed the filing on November 13, 2026.

Massachusetts Financial Services Company Discloses Amended Stake in Willis Towers Watson

Massachusetts Financial Services Company, headquartered at 111 Huntington Avenue, Boston, MA 02199, and organized in Delaware, filed Amendment No. 4 to Schedule 13G regarding its holdings in Willis Towers Watson PLC (NASDAQ:WTW), whose principal executive offices are located at 51 Lime Street, London, EC3M 7DQ. The filing covers Common Stock with CUSIP number G96629103, and the triggering event date is listed as September 30, 2026.

According to the filing, Massachusetts Financial Services Company reported aggregate beneficial ownership of 4,529,810 shares, equating to 4.87% of the class. The filer indicated sole voting power over 4,529,810 shares and sole dispositive power over the same number of shares. Shared voting power and shared dispositive power are each reported as zero. Item 4(a) of the filing separately lists the amount beneficially owned as 4,529,699, while the ownership table in the Schedule 13G header and Item 4(c) state 4,529,810 for voting and dispositive power figures.

The filing also certifies, per the standard Schedule 13G language, 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." Massachusetts Financial Services Company is classified as an investment adviser in connection with this filing. Item 5 of the filing designates the ownership as 5 percent or less of a class, and Items 6, 7, 8, and 9 are each noted as not applicable.

What Was Disclosed

Massachusetts Financial Services Company disclosed an amended Schedule 13G position of 4,529,810 shares, or 4.87%, in Willis Towers Watson PLC Common Stock as of September 30, 2026, with sole voting and dispositive power and no shared control.