Marathon Bancorp (MBBC)
Community bank serving Wisconsin borrowers, depositors and commercial cash-management clients.
$15.27
At close+0.15 (+0.99%)
Something off on this page? Send us feedback.
Breakdown13F · 13D/G · Form 4
| Institutions9 holders · as of Mar 31, 2026 | 20.76% | 612.6K shares | |
| Insiders9 holders · as of Jun 30, 2026 | 14.13% | 417.1K shares | |
| Otherremainder | 65.11% | 1.92M shares |
2.95M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing
Institutions13F, as of Mar 31, 2026
9 holders · 612.6K shares · 2 new positions · 2 increased · 1 reduced · 2 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| AllianceBernstein L.P. | 153.2K | 5.19% | 0 | May 15, 2026 |
| Maltese Capital Management LLC | 145.1K | 4.92% | 0 | May 15, 2026 |
| Raffles Associates LP | 107.7K | 3.65% | 0 | May 15, 2026 |
| Vanguard Capital Management LLC | 76.6K | 2.60% | +76.6Knew | May 15, 2026 |
| Minerva Advisors LLC | 59.0K | 2.00% | 0 | May 12, 2026 |
| KLCM Advisors, Inc. | 34.3K | 1.16% | 0 | Apr 30, 2026 |
| Stilwell Value LLC | 20.0K | 0.68% | 0 | May 6, 2026 |
| Vanguard Fiduciary Trust Co | 16.4K | 0.56% | +16.4Knew | May 8, 2026 |
Ownership statements13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Marathon Bank Employee Stock Ownership Plan Trust | 8.66% | 254.4K | 13G | Sep 2, 2025 ↗ |
| Marathon Bank 401(k) Plan Trust | 7.32% | 216.1K | 13G | Jul 1, 2026 ↗ |
| AllianceBernstein L.P. | 5.20% | 153.2K | 13G | Feb 17, 2026 ↗ |
Insider tradesForm 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 16, 2026 | Nicholas W. Zillgesdirector, officer: President and CEO | Purchase | 970 | $15.00 | 57,205 |
| Jun 4, 2026 | Nora Spatzofficer: EVP and CAO | Purchase | 74 | $13.77 | 34,497 |
| Jun 3, 2026 | Nora Spatzofficer: EVP and CAO | Purchase | 722 | $13.75 | 36,423 |
| Jun 5, 2026 | Nora Spatzofficer: EVP and CAO | Purchase | 320 | $14.25 | 36,817 |
| Jun 8, 2026 | Nora Spatzofficer: EVP and CAO | Purchase | 197 | $14.24 | 37,014 |
| Jun 9, 2026 | Nora Spatzofficer: EVP and CAO | Purchase | 1,904 | $14.50 | 38,918 |
| Jun 10, 2026 | Nora Spatzofficer: EVP and CAO | Purchase | 602 | $14.75 | 39,520 |
| Jun 3, 2026 | Nicholas W. Zillgesdirector, officer: President and CEO | Purchase | 203 | $13.75 | 50,287 |
| Jun 4, 2026 | Nicholas W. Zillgesdirector, officer: President and CEO | Purchase | 21 | $13.77 | 50,308 |
| Jun 5, 2026 | Nicholas W. Zillgesdirector, officer: President and CEO | Purchase | 90 | $14.25 | 50,398 |
CongressHouse and Senate disclosures
Not reported.