William Blair Investment Management Acquires Stake in Bentley Systems

Firm takes 1% ownership position in infrastructure software company

Published on Mar. 2, 2026

William Blair Investment Management LLC acquired a new stake of 2,931,296 shares in Bentley Systems, Incorporated (NASDAQ:BSY), the infrastructure engineering software company, in the third quarter. The stake is valued at approximately $150.9 million, representing around 1% ownership of the company.

Why it matters

The investment by William Blair, a prominent asset management firm, signals confidence in Bentley Systems' growth prospects as it provides software solutions for the design, construction, and operations of critical infrastructure projects globally. The stake acquisition could also indicate William Blair's belief in Bentley Systems' ability to navigate industry challenges and capitalize on digitization trends in the infrastructure engineering space.

The details

According to a filing with the Securities and Exchange Commission, William Blair Investment Management acquired the new stake in Bentley Systems during the third quarter of the year. The 2,931,296 shares represent approximately 1% of the company's outstanding stock. Bentley Systems is a global provider of infrastructure engineering software, serving customers in the transportation, utilities, industrial, and other sectors.

  • William Blair Investment Management acquired the stake in Bentley Systems during the third quarter of 2026.

The players

William Blair Investment Management LLC

A prominent asset management firm that has acquired a 1% stake in Bentley Systems, Incorporated.

Bentley Systems, Incorporated

A global provider of infrastructure engineering software solutions for the design, construction, and operations of critical infrastructure projects.

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The takeaway

William Blair's investment in Bentley Systems reflects confidence in the infrastructure software company's growth potential and its ability to capitalize on digitization trends in the engineering and construction industries. The stake acquisition could signal William Blair's belief that Bentley Systems is well-positioned to navigate industry challenges and continue expanding its market share.