GW&K Investment Management Boosts Stake in Atlantic Union Bankshares

Institutional investor increases holdings in regional bank by 9.1% in Q3

Published on Mar. 5, 2026

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GW&K Investment Management LLC, an institutional investor, increased its stake in Atlantic Union Bankshares Co. (NASDAQ:AUB) by 9.1% in the third quarter, according to a recent SEC filing. The firm now owns approximately 1.7 million shares, or 1.19% of the regional bank's outstanding stock.

Why it matters

The increase in GW&K's position suggests the firm sees growth potential in Atlantic Union Bankshares, which operates primarily in Virginia, Maryland, North Carolina, and Washington D.C. The bank's stock has seen solid performance over the past year, potentially making it an attractive investment for institutional investors like GW&K.

The details

According to the 13F filing, GW&K Investment Management added 140,587 shares of Atlantic Union Bankshares in the third quarter, bringing its total position to 1,692,845 shares. The firm now owns approximately 1.19% of the company's outstanding stock, valued at around $59.7 million as of the most recent filing.

  • GW&K Investment Management increased its stake in Atlantic Union Bankshares in the third quarter of 2026.

The players

GW&K Investment Management LLC

An institutional investment management firm that oversees approximately $58 billion in client assets.

Atlantic Union Bankshares Co.

A regional bank holding company headquartered in Richmond, Virginia that operates through its subsidiary Atlantic Union Bank, providing commercial and consumer banking services across Virginia, Maryland, North Carolina, and Washington D.C.

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The takeaway

The increase in GW&K Investment Management's stake in Atlantic Union Bankshares suggests the firm sees long-term growth potential in the regional bank, which has performed well over the past year. This could signal that other institutional investors may also be taking a closer look at Atlantic Union Bankshares as a potential investment opportunity.