Capital World Investors filed an amended beneficial ownership statement with the SEC on November 13, 2026, disclosing a 13.1% stake in RingCentral, Inc. (NYSE:RNG) Class A Common Stock as of September 30, 2026.

Key Highlights

  • Beneficial ownership: Capital World Investors reported aggregate beneficial ownership of 9,661,168 shares of RingCentral Class A Common Stock.
  • Percentage of class: The 9,661,168 shares represent 13.1% of the 73,736,624 shares believed to be outstanding, according to the filing.
  • Sole voting and dispositive power: Capital World Investors holds sole power to vote and dispose of all 9,661,168 shares, with no shared voting or dispositive power reported.
  • Amendment number: This is Amendment No. 15 to the reporting person's beneficial ownership statement covering RingCentral Class A Common Stock (CUSIP 76680R206).
  • Named fund: SMALLCAP World Fund, Inc. is identified in the filing as a person with the right to receive dividends from, or proceeds from the sale of, the reported securities.
  • Triggering event date: The date of the event requiring the filing is listed as September 30, 2026.

Capital World Investors Discloses Large Passive Position in RingCentral

According to the filing, Capital World Investors ("CWI") is a division of Capital Research and Management Company ("CRMC"), along with several investment management subsidiaries and affiliates including Capital Bank and Trust Company, Capital International, Inc., Capital International Limited, Capital International Sarl, Capital International K.K., Capital Group Private Client Services, Inc., and Capital Group Investment Management Private Limited. The filing states that CWI's divisions of each of these investment management entities collectively provide investment management services under the name "Capital World Investors." CWI is organized in Delaware and is classified as an investment adviser in the filing.

RingCentral, Inc., the issuer, is a cloud-based communications and collaboration solutions company headquartered at 20 Davis Drive, Belmont, CA 94002. The filing covers the company's Class A Common Stock, listed on the NYSE under the ticker RNG. Capital World Investors certifies in the filing that the reported shares "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 Timothy J. Moon, Vice President and Senior Counsel at Capital Research and Management Company, and dated November 11, 2026.

The filing identifies SMALLCAP World Fund, Inc. as a person known to have the right to receive dividends from, or proceeds from the sale of, the securities covered by this report. No shared voting or dispositive power is reported, and both sole voting power and sole dispositive power are listed at 9,661,168 shares. Item 7, concerning subsidiary identification, and Item 8, concerning group membership, are each listed as not applicable.

What Was Disclosed

Capital World Investors, an investment adviser affiliated with Capital Research and Management Company, reported beneficial ownership of 9,661,168 shares, or 13.1%, of RingCentral Class A Common Stock as of September 30, 2026, in Amendment No. 15 to its ownership statement.