Capital International Investors has filed a Schedule 13G/A, revealing its ownership of 5.7% of Paychex, Inc. This significant stake, amounting to 20,188,552 shares, underscores the investment firm's confidence in Paychex's potential within the services sector.

Paychex, Inc. operates in the engineering, accounting, research, and management services industry. The company, headquartered in Rochester, New York, is known for providing payroll, human resource, and benefits outsourcing solutions to small and medium-sized businesses.

The filing states, "Capital International Investors is deemed to be the beneficial owner of 20,188,552 shares or 5.7% of the 355,980,473 shares believed to be outstanding." This reflects a substantial investment by Capital International Investors, which is a division of Capital Research and Management Company.

This disclosure may impact various stakeholders, including current and potential investors in Paychex, as well as competitors in the engineering and accounting services sector. The filing indicates that Capital International Investors holds sole voting power over 19,587,247 shares, emphasizing its influence in corporate governance matters.

As for future actions, the filing does not specify any upcoming events or additional disclosures related to this investment.

Ownership Structure and Investment Management

Capital International Investors (CII) is a division of Capital Research and Management Company (CRMC), which includes various investment management subsidiaries and affiliates. These entities collectively provide investment management services under the name "Capital International Investors." This structure highlights the extensive resources and expertise that CII brings to its investment strategy in Paychex, Inc.

Regulatory Compliance

The filing is made in accordance with Rule 13d-1(b) of the Securities Exchange Act of 1934, indicating that the securities were acquired and are held in the ordinary course of business. CII has certified that the shares were not acquired for the purpose of influencing control of Paychex, which may reassure other stakeholders regarding the nature of the investment.

Additional Filing Details

This Schedule 13G/A marks the fifth amendment to the original filing, with the previous accession number being 0001562230-24-000058. The filing was submitted on November 13, 2026, and reflects the shares beneficially owned as of September 30, 2026.

"Capital International Investors is deemed to be the beneficial owner of 20,188,552 shares or 5.7% of the 355,980,473 shares believed to be outstanding."

As of the date of the filing, no further details regarding future plans or intentions related to the investment in Paychex were disclosed, leaving stakeholders to consider the implications of this significant ownership stake.