Mackenzie Financial Corp Reduces Stake in Automatic Data Processing

Investment firm sells off nearly 290,000 shares of payroll processing giant

Mar. 11, 2026 at 10:51am

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Mackenzie Financial Corp, an investment management firm, reduced its position in Automatic Data Processing, Inc. (ADP) by 16.2% in the third quarter, according to a recent SEC filing. The firm sold off 288,849 shares, leaving it with 1,495,929 shares worth approximately $439 million at the end of the reporting period.

Why it matters

ADP is a major player in the payroll processing and HR services industry, and changes in institutional ownership of its stock can signal broader market trends or shifts in investor sentiment around the company and its prospects.

The details

Mackenzie Financial sold the ADP shares as part of portfolio rebalancing, reducing its overall stake in the company to about 0.37%. The move comes as ADP's stock price has declined from its 52-week high amid broader market volatility and concerns about the economic outlook.

  • Mackenzie Financial reduced its ADP holdings in the third quarter of 2026.
  • The firm's latest SEC filing detailing the stock sale was published on March 11, 2026.

The players

Mackenzie Financial Corp

An investment management firm that reduced its stake in Automatic Data Processing in the third quarter of 2026.

Automatic Data Processing, Inc.

A leading provider of payroll processing, HR, and business services solutions for employers of all sizes.

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The takeaway

The reduction in Mackenzie Financial's ADP holdings reflects broader market uncertainty, but the company remains a dominant force in the payroll and HR services industry, suggesting it can weather near-term volatility.