JPMorgan Chase & Co. Boosts Stake in Byline Bancorp

Investment firm increases ownership in Chicago-based community bank by over 31%

Published on Mar. 4, 2026

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JPMorgan Chase & Co. has grown its stake in Byline Bancorp, Inc. (NYSE:BY) by 31.3% during the third quarter, according to a recent SEC filing. The firm now owns 588,359 shares of the Chicago-based community bank's stock, representing approximately 1.28% ownership.

Why it matters

Byline Bancorp is a local community bank serving small and mid-sized businesses, real estate developers, professional services firms, and nonprofits in the Chicago area. The increase in ownership by a major investment firm like JPMorgan Chase suggests confidence in Byline Bancorp's growth prospects and performance.

The details

According to the filing, JPMorgan Chase purchased an additional 140,219 shares of Byline Bancorp during the third quarter, bringing its total holdings to 588,359 shares. This represents a 31.3% increase in the firm's stake in the bank. Byline Bancorp has a market capitalization of $1.45 billion and its stock has traded between $22.63 and $33.89 over the past 52 weeks.

JPMorgan Chase & Co. increased its stake in Byline Bancorp during the third quarter of 2026.

The players

Byline Bancorp, Inc.

A community-focused financial institution headquartered in Chicago, Illinois that offers a broad array of banking products and services to corporate, professional and consumer clients.