Mercantile Bank CORP Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NASDAQ
Wellington Management Group LLP and its affiliates have reported beneficial ownership of 6.9% of Mercantile Bank Corporation's common stock as of March 31, 2026.
NASDAQ
The Vanguard Group reports 0% beneficial ownership in Mercantile Bank Corp following an internal realignment.
NASDAQ
Dimensional Fund Advisors LP has reported a 6.0% beneficial ownership stake in Mercantile Bank Corp, holding 1,031,485 shares of common stock.
NASDAQ
The Vanguard Group has reported a 6.4% beneficial ownership stake in Mercantile Bank Corp, holding 1,039,359 shares of common stock.
NASDAQ
BlackRock, Inc. has filed an Amendment No. 3 to its Schedule 13G, disclosing a 7.5% beneficial ownership stake in Mercantile Bank Corp as of March 31, 2025.