10 institutions reported holding $8.1M of MARATHON BANCORP INC (MBBC) in SEC 13F filings for 2026-03-31. Largest institutional holders: MALTESE CAPITAL MANAGEMENT LLC ($2.0M), ALLIANCEBERNSTEIN L.P. ($1.9M), RAFFLES ASSOCIATES LP ($1.5M), VANGUARD CAPITAL MANAGEMENT LLC ($1.0M), Minerva Advisors LLC ($797,946). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MALTESE CAPITAL MANAGEMENT LLC | $2.0M | 145,100 | Hold |
| 2 | ALLIANCEBERNSTEIN L.P. | $1.9M | 153,238 | Hold |
| 3 | RAFFLES ASSOCIATES LP | $1.5M | 107,664 | Hold |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $1.0M | 76,598 | New |
| 5 | Minerva Advisors LLC | $797,946 | 58,976 | Hold |
| 6 | KLCM Advisors, Inc. | $464,350 | 34,320 | Hold |
| 7 | STILWELL VALUE LLC | $270,600 | 20,000 | Hold |
| 8 | VANGUARD FIDUCIARY TRUST CO | $222,352 | 16,434 | New |
| 9 | Tower Research Capital LLC (TRC) | $3,058 | 226 | Trimmed |
| 10 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31