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.
Holders of 5% or more of MBBC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Marathon Bancorp, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Marathon Bank Employee Stock Ownership Plan Trust | 13G | 8.66%254.4K shares | New | Sep 2, 20251 filing | Sep 2, 2025 | SEC |
| Alliancebernstein L.P. | 13G | 5.20%153.2K shares | New | Feb 17, 20261 filing | Feb 17, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Marathon Bancorp, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 17, 20264:10 PM ET | Alliancebernstein L.P. | 13G | 5.20%153.2K shares | New | Dec 31, 2025 | SEC |
| Sep 2, 20254:04 PM ET | Marathon Bank Employee Stock Ownership Plan Trust | 13G | 8.66%254.4K shares | New | Jun 30, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Marathon Bancorp, Inc. shares.
No Form 144 notices for Marathon Bancorp, Inc. are on file.