GW&K Investment Management Reduces Simpson Manufacturing Stake

Fund sold 10,191 shares of the construction company's stock in Q3

Published on Mar. 6, 2026

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GW&K Investment Management LLC reduced its holdings in Simpson Manufacturing Company, Inc. (NYSE:SSD) by 4.2% during the 3rd quarter, according to the company's SEC filing. The fund owned 231,487 shares of the construction company's stock, valued at $38,766,000 as of its most recent filing.

Why it matters

This transaction provides insight into the investment strategy and portfolio adjustments of GW&K Investment Management, a prominent institutional investor. Changes in major shareholders' positions can signal broader market trends or shifts in sentiment around a particular stock.

The details

GW&K Investment Management sold 10,191 shares of Simpson Manufacturing during the third quarter, reducing its total stake in the construction company by 4.2%. The fund now owns 231,487 shares, or about 0.56% of Simpson Manufacturing's outstanding stock.

  • GW&K Investment Management reduced its holdings in Simpson Manufacturing during the 3rd quarter of 2026.

The players

GW&K Investment Management LLC

An investment management firm that reduced its stake in Simpson Manufacturing Company, Inc.

Simpson Manufacturing Company, Inc.

A leading global supplier of structural building products, specializing in the design, testing, manufacture and supply of connectors, anchors, fasteners and lateral systems.

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The takeaway

This transaction reflects GW&K Investment Management's portfolio adjustments, potentially in response to market conditions or the firm's investment strategy. It provides insight into the shifting landscape of institutional ownership around Simpson Manufacturing, a prominent construction materials company.