Who owns MBBC?
Institutional ownership of Marathon Bancorp Inc. from Form 13F, Q2 2026
12 institutional managers reported holding Marathon Bancorp Inc. (MBBC) in Form 13F filings for Q2 2026, with 741,776 shares worth $11.1M. The largest reported holder was Raffles Associates LP. Managers that filed both quarters added a net 129,220 shares (+21.1%). 4 opened new positions and 1 sold out.
- Funds holding
- 12
- Value held
- $11.1M
- New / sold out
- 4 / 1
- Net shares, same filers
- +21.1%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of MBBC
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| Raffles Associates LP | $3.3M | 29.0% | 215,328 | Added |
| Maltese Capital Management LLC | $2.2M | 19.6% | 145,298 | Added |
| Alliancebernstein L.p. | $2.1M | 20.7% | 153,238 | Unchanged |
| Vanguard Capital Management LLC | $1.2M | 10.2% | 76,027 | Trimmed |
| Minerva Advisors LLC | $852K | 7.5% | 55,750 | Trimmed |
| KLCM Advisors, Inc. | $524K | 4.6% | 34,320 | Unchanged |
| Stilwell Value LLC | $306K | 2.7% | 20,000 | Unchanged |
| Vanguard Fiduciary Trust Co | $176K | 1.6% | 11,514 | Trimmed |
| Citadel Advisors LLC | $168K | 1.5% | 10,984 | New |
| Geode Capital Management, LLC | $166K | 1.5% | 10,871 | New |
| BlackRock, Inc. | $128K | 1.1% | 8,357 | New |
| UBS Group AG | $1K | 0.0% | 89 | New |
Share of 13F holdings is each fund's shares as a share of the 741,776 MBBC shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Raffles Associates LP Added+$1.6M
- Citadel Advisors LLC New+$168K
- Geode Capital Management, LLC New+$166K
- BlackRock, Inc. New+$128K
- Maltese Capital Management LLC Added+$3K
- UBS Group AG New+$1K
Biggest sellers in Q2 2026
- Vanguard Fiduciary Trust Co Trimmed-$75K
- Minerva Advisors LLC Trimmed-$49K
- Vanguard Capital Management LLC Trimmed-$9K
- Tower Research Capital LLC (TRC) Sold out-$3K
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $2.1M and sold $136K; 2 added and 3 trimmed.
Schedule 13D and 13G filings on MBBC
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-02-17ALLIANCEBERNSTEIN L.P. SCHEDULE 13G filed by Marathon Bancorp Inc.Schedule 13G
- 2025-09-02Marathon Bank Employee Stock Ownership Plan Trust SCHEDULE 13G filed by Marathon Bancorp Inc.Schedule 13G
Questions about MBBC ownership
- Who owns MBBC stock?
- 12 institutional investment managers reported MBBC positions in their Form 13F filings for Q2 2026, holding 741,776 shares worth $11.1M in total. Raffles Associates LP reported the largest position.
- Are funds buying or selling MBBC?
- In Q2 2026, 4 managers opened new MBBC positions, 2 added, 3 trimmed and 1 sold out. Managers that filed in both quarters added a net 129,220 shares.
- How current is this MBBC institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to MBBC by CUSIP. Options are left out. MBBC news and filings · MBBC insider trades · Top funds