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Marathon Bancorp, Inc.

MBBC
Exchange
Nasdaq
Industry
Savings Institutions, Not Federally Chartered
SEC CIK
0001835385

No open-market purchases or sales by Marathon Bancorp, Inc. insiders were filed in the last 90 days; 12 institutions reported holding it in 13F filings for Q2 2026, worth $9.42M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Marathon Bancorp, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of MBBC: Q3 2025 compared with Q4 2025
MeasureQ3 2025Q4 2025Change
Holders119−2
Shares550.1K612.7K+62.6K (+11.4%)
Value$5.74M$7.45M+$1.72M (+29.9%)

New holders (0)

Institutions that held Marathon Bancorp, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

None.

Sold out (2)

Institutions that held Marathon Bancorp, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of MBBC in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Murchinson Ltd.22,802$237.8K
UBS Group AG2,249$23.5K