GW&K Investment Management Reduces Stake in Wintrust Financial

Asset management firm cuts position in Wintrust Financial by 4.2% in Q3

Published on Mar. 5, 2026

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GW&K Investment Management LLC decreased its position in Wintrust Financial Corporation (NASDAQ:WTFC) by 4.2% during the third quarter, according to a recent SEC filing. The fund owned 496,794 shares of the bank's stock, valued at $65.8 million, after selling 21,879 shares in the quarter.

Why it matters

Wintrust Financial is a regional bank holding company based in the Chicago area, operating a network of community banks. Changes in ownership stakes by major institutional investors like GW&K can signal shifts in market sentiment around the company's performance and outlook.

The details

According to the SEC filing, GW&K Investment Management sold 21,879 shares of Wintrust Financial stock during the third quarter. This reduced the firm's total position to 496,794 shares, or 0.74% of the company's outstanding stock. GW&K cited the 4.2% decrease in its Wintrust Financial holdings in the filing.

  • The SEC filing was submitted on March 5, 2026, covering GW&K's Q3 2025 portfolio changes.

The players

GW&K Investment Management LLC

An asset management firm that decreased its position in Wintrust Financial Corporation during the third quarter of 2025.

Wintrust Financial Corporation

A regional bank holding company headquartered in Rosemont, Illinois that operates a network of community banks in the Chicago metropolitan area and southeastern Wisconsin.

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The takeaway

The reduction in GW&K Investment Management's stake in Wintrust Financial suggests the asset manager may have a less bullish outlook on the regional bank's near-term prospects, though the reasons behind the portfolio change are not explicitly stated. Investors will likely monitor any further changes in ownership by major institutional shareholders for clues about Wintrust Financial's performance and market positioning.