Fuel Tech, INC Schedule 13G passive stakes

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

NASDAQ
Grace & White, Inc. has reported beneficial ownership of 1,541,307 shares, representing 5.02% of Fuel Tech, Inc.'s common stock, as of March 31, 2026.
NASDAQ
Investment adviser Grace & White, Inc. has updated its beneficial ownership in Fuel Tech, Inc. to 4.78% of common stock.
NASDAQ
Investment adviser Grace & White, Inc. has reported a 6.23% passive beneficial ownership stake in Fuel Tech, Inc. as of December 31, 2024.