Dundas Partners LLP Boosts Stake in Automatic Data Processing

The investment firm increased its holdings in the business services provider by over 19,000%.

Published on Mar. 9, 2026

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Dundas Partners LLP significantly increased its position in Automatic Data Processing, Inc. (NASDAQ:ADP) during the third quarter, according to a recent SEC filing. The firm added 150,900 shares, growing its stake in the business services provider by 19,521.3% to a total of 151,673 shares worth $44.5 million.

Why it matters

Automatic Data Processing is a major provider of payroll, HR, and other business services to companies of all sizes. Institutional investors closely monitor changes in ownership of the company's stock, as it can signal broader market trends or shifts in investor sentiment.

The details

Dundas Partners LLP disclosed in its 13F filing that it had grown its position in Automatic Data Processing by adding 150,900 shares during the third quarter. This substantial increase brought the firm's total holdings in ADP to 151,673 shares, making it the 17th largest position in Dundas Partners' portfolio.

  • Dundas Partners LLP made the stock purchases during the third quarter of 2026.

The players

Dundas Partners LLP

An investment management firm that focuses on value-oriented strategies.

Automatic Data Processing, Inc.

A leading provider of cloud-based human capital management and payroll solutions for businesses of all sizes.

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The takeaway

Dundas Partners' significant increase in its Automatic Data Processing holdings suggests the investment firm sees long-term value in the business services provider's stock, even as some analysts have recently issued cautious outlooks on the company.