Pioneer Municipal High Income Fund, INC Schedule 13G passive stakes

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

Almitas Capital LLC has filed a Schedule 13G indicating no beneficial ownership in Pioneer Municipal High Income Fund, Inc. as of September 30, 2025.
Almitas Capital LLC and Ronald Mass have disclosed a 5.2% beneficial ownership stake in Pioneer Municipal High Income Fund, Inc. common stock.
RiverNorth Capital Management, LLC has filed an amended Schedule 13G, disclosing a 4.41% beneficial ownership in Pioneer Municipal High Income Fund, Inc.
Sit Investment Associates and its subsidiary Sit Fixed Income Advisors II, LLC, reported a combined 11.5% beneficial ownership stake in Pioneer Municipal High Income Fund, Inc.
RiverNorth Capital Management, LLC has reported a beneficial ownership of 8.36% in Pioneer Municipal High Income Fund, Inc., holding 1,903,504 common shares as of March 31, 2025.
RiverNorth Capital Management, LLC has filed an amended Schedule 13G, revealing a 7.21% beneficial ownership stake in Pioneer Municipal High Income Fund, Inc. as of December 31, 2024.