Banc Funds Co. LLC Reduces Stake in Mercantile Bank Corporation

Investment firm cuts holding in Michigan-based financial services provider by 17.9%

Mar. 15, 2026 at 8:34am

Got story updates? Submit your updates here. ›

Banc Funds Co. LLC, an investment management firm, has reduced its stake in Mercantile Bank Corporation (NASDAQ:MBWM) by 17.9% in the third quarter, according to a recent SEC filing. The firm now owns 160,252 shares of the financial services provider's stock, making it the 27th largest holding in its portfolio.

Why it matters

Mercantile Bank is a prominent regional bank serving West and Central Michigan, and changes in its major institutional investors can signal shifts in market sentiment or strategic direction for the company.

The details

According to the 13F filing, Banc Funds Co. LLC sold 34,900 shares of Mercantile Bank during the third quarter, reducing its total position to 160,252 shares. This represents approximately 0.99% of the bank's outstanding stock. Mercantile Bank provides a range of commercial banking services to small and mid-sized businesses, professionals, and consumers across its Michigan footprint.

  • Banc Funds Co. LLC filed its 13F report for the third quarter of 2026.

The players

Banc Funds Co. LLC

An investment management firm that focuses on community banks and financial services companies.

Mercantile Bank Corporation

A Michigan-based financial services provider and bank holding company for Mercantile Bank of Michigan.

Got photos? Submit your photos here. ›

The takeaway

This filing indicates that a prominent institutional investor has reduced its stake in Mercantile Bank, which could signal a shift in market sentiment or strategic direction for the regional bank. However, without further context, it's difficult to draw any definitive conclusions about the company's performance or outlook.