Who owns Marathon Bancorp, Inc. /MD/?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MBBC from SEC Form 13F filings across 12 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 12 institutions disclosed 634,112 shares of Marathon Bancorp, Inc. /MD/ worth $9.4M — about 23.6% of shares outstanding; the largest disclosed holder is ALLIANCEBERNSTEIN L.P.. Source: SEC Form 13F filings, parsed by EvidInvest.
12
13F holders
$9.4M
value, 2026 filers
23.6%
of shares outstanding (634,112 sh)
4
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MBBC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ALLIANCEBERNSTEIN L.P. | 153,238 | $2.1M | 0.0% | 5.7% | 0.0% |
| 2 | MALTESE CAPITAL MANAGEMENT LLC | 145,298 | $2.2M | 0.4% | 5.4% | +0.1% |
| 3 | RAFFLES ASSOCIATES LP | 107,664 | $1.6M | 1.5% | 4% | 0.0% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 76,027 | $1.2M | 0.0% | 2.8% | -0.7% |
| 5 | Minerva Advisors LLC | 55,750 | $851,860 | 0.5% | 2.1% | -5.5% |
| 6 | KLCM Advisors, Inc. | 34,320 | $524,410 | 0.0% | 1.3% | 0.0% |
| 7 | STILWELL VALUE LLC | 20,000 | $305,600 | 0.2% | 0.7% | 0.0% |
| 8 | VANGUARD FIDUCIARY TRUST CO | 11,514 | $175,934 | 0.0% | 0.4% | -29.9% |
| 9 | CITADEL ADVISORS LLCNEW | 10,984 | $167,836 | 0.0% | 0.4% | new |
| 10 | GEODE CAPITAL MANAGEMENT, LLCNEW | 10,871 | $166,107 | 0.0% | 0.4% | new |
| 11 | BlackRock, Inc.NEW | 8,357 | $127,695 | 0.0% | 0.3% | new |
| 12 | UBS Group AGNEW | 89 | $1,360 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.