Ariel Investments, LLC filed Amendment No. 17 to its Schedule 13G with the SEC on November 13, 2026, disclosing a 4.7% beneficial ownership position in Sphere Entertainment Co's Class A Common Stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Ariel Investments, LLC reported beneficial ownership of 1,371,771 shares of Sphere Entertainment Co Class A Common Stock.
  • Percent of class: The 1,371,771 shares represent 4.7% of the class, according to the filing.
  • Sole voting power: Ariel Investments, LLC reported sole voting power over 1,202,123 shares.
  • Sole dispositive power: The filing disclosed sole dispositive power over 1,371,771 shares, with no shared dispositive power reported.
  • Client accounts: The filing stated that Ariel Investments, LLC's adviser clients hold the right to receive dividends or proceeds from the sale of all reported securities, with none having an economic interest exceeding 5% of the subject securities.
  • Filing date: The statement was signed by James Prescott, Vice President, Compliance, on November 13, 2026.

Ariel Investments' Amendment No. 17 Ownership Report for Sphere Entertainment

Ariel Investments, LLC, a Delaware-organized investment adviser based at 200 E. Randolph Street, Suite 2900, Chicago, filed Amendment No. 17 to its Schedule 13G regarding its holdings in Sphere Entertainment Co (NYSE:SPHR). The event triggering the filing occurred on September 30, 2026, according to the filing. Sphere Entertainment Co's principal executive offices are listed at Two Penn Plaza, New York, NY 10121.

According to the filing, Ariel Investments, LLC beneficially owns 1,371,771 shares of Sphere Entertainment Co's Common Stock SH CL A (CUSIP 55826T102), representing 4.7% of the class. The firm reported sole voting power over 1,202,123 shares and sole dispositive power over the full 1,371,771 shares. No shared voting or shared dispositive power was reported. The filing identified Ariel Investments, LLC as an investment adviser under the applicable SEC rules.

Under Item 6, the filing disclosed that "Ariel Investments, LLC's adviser clients have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, all securities reported upon this Schedule." The filing further noted that none of those clients holds an economic interest exceeding 5% of the subject securities. The filing was submitted under Item 5 as ownership of 5 percent or less of a class. The certification was signed by James Prescott, Vice President, Compliance, on November 13, 2026.

What Was Disclosed

Ariel Investments, LLC reported beneficial ownership of 1,371,771 shares, or 4.7%, of Sphere Entertainment Co's Class A Common Stock as of September 30, 2026, in Amendment No. 17 to its Schedule 13G, filed November 13, 2026.