Ownership Summary
According to SEC filings for the period ending September 2025, Marathon Bancorp, Inc. /MD/ (NASDAQ:MBBC) is held by 11 institutional firms.
- The collective stake of institutional investors in Marathon Bancorp moved to 21.0% in September 2025, a shift down from the 24.2% reported for June 2025.
- Quarterly data indicates a 7.15% shift in institutional share volume, and the annual owner count reflects an increase of 1000.00%.
- Of these 11 institutional investors, 5 increased their holdings in Marathon Bancorp, while 3 of them reduced positions, and 3 investors maintained their exposure.
- This class of investors increased its holdings in Marathon Bancorp to 550.13K shares for the 13F-cycle ending September 2025, up by 36.70K shares quarter on quarter, and up 525.13K shares year over year.
- MALTESE CAPITAL MANAGEMENT LLC continues to be the largest institutional holder of Marathon Bancorp as of September 30, 2025, with a position of 135.10K shares, representing 5.17% of the company's outstanding stock.
- Among the most significant buyers of Marathon Bancorp during September 2025 were ALLIANCEBERNSTEIN L.P. (42.75K), Minerva Advisors LLC (4.26K), UBS Group AG (967), MALTESE CAPITAL MANAGEMENT LLC (100), BANK OF AMERICA CORP /DE/ (6).
- Leading sellers of Marathon Bancorp stock in September 2025 included VANGUARD GROUP INC (11.07K), Tower Research Capital LLC (TRC) (307), Murchinson Ltd. (6).
- The top 10 institutional holders of Marathon Bancorp for the quarter ending September 2025 included MALTESE CAPITAL MANAGEMENT LLC (135.10K), ALLIANCEBERNSTEIN L.P. (133.23K), RAFFLES ASSOCIATES LP (107.66K), Minerva Advisors LLC (58.98K), VANGUARD GROUP INC (35.40K), KLCM Advisors, Inc. (34.32K), Murchinson Ltd. (22.80K), Stilwell Value LLC (20.00K), UBS Group AG (2.25K), Tower Research Capital LLC (TRC) (367).