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.
Q2 2026 vs. Q1 2026
How the institutions holding Marathon Bancorp, Inc. changed between Q1 2026 and Q2 2026.
All holders in Q2 2026All holders in Q1 2026
| Measure | Q1 2026 | Q2 2026 | Change |
|---|---|---|---|
| Holders | 9 | 12 | +3 |
| Shares | 612.6K | 634.1K | +21.6K (+3.5%) |
| Value | $8.08M | $9.42M | +$1.34M (+16.6%) |
New holders (4)
Institutions that held Marathon Bancorp, Inc. at the end of Q2 2026 but not at the end of Q1 2026.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Citadel Advisors LLC | 10,984 | $167.8K | 0.00% |
| Geode Capital Management, LLC | 10,871 | $166.1K | 0.00% |
| BlackRock, Inc. | 8,357 | $127.7K | 0.00% |
| UBS Group AG | 89 | $1.36K | 0.00% |
Sold out (1)
Institutions that held Marathon Bancorp, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| Tower Research Capital LLC (TRC) | 226 | $3.06K |