Marathon Bancorp Inc
Marathon Bancorp Inc is a publicly traded company on OTC, with a market cap of $34.1M. As of Q3 2025, 19% of shares are held by 11 institutional investors, with SANDLER ONEILL ASSET MANAGEMENT LLC as the largest holder at 4.6%.
Overview
Overview of institutional ownership in MBBC as of Q3 2025 with a market cap of $30.7M
All Institutions
- Institutions
- 11
- Value Held
- $5.7M
- Shares Held
- 550.1K
- Avg Position
- $521.8K
- Median Position
- $358.0K
Hedge Funds
- Hedge Funds
- 4
- Value Held
- $3.4M
- Shares Held
- 321.7K
- Avg Position
- $838.9K
- Median Position
- $869.0K
Ownership Breakdown
Based on market cap of $30.7M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in MBBC as of Q3 2025
| Institution | Position Value |
|---|---|
 SANDLER ONEILL ASSET MANAGEMENT LLC Hedge Fund•Long/Short | $1.4M 0.22% of portfolio |
 ALLIANCEBERNSTEIN L.P. Long Only Manager | $1.4M 0.00% of portfolio |
R RAFFLES ASSOCIATES LP Hedge Fund•Value | $1.1M 1.08% of portfolio |
M Minerva Advisors LLC Hedge Fund•Value | $615.1K 0.39% of portfolio |
 VANGUARD GROUP INC Institution | $370.6K 0.00% of portfolio |
 KITZINGER LAUTMANN CAPITAL MANAGEMENT INC Long Only Manager | $358.0K 0.04% of portfolio |
M Murchinson Ltd. Institution | $237.8K 0.05% of portfolio |
S Stilwell Value LLC Hedge Fund•Activist | $208.6K 0.07% of portfolio |
 UBS Group AG Institution | $23.5K 0.00% of portfolio |
T Tower Research Capital LLC Institution | $3.8K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for MBBC in Q3 2025
- Traded
- +$265.4K
- Buyers
- 5
- Sellers
- 4
- Total Bought
- +$501.5K
- Total Sold
- −$236.2K
- Avg Position
- $478.3K
Biggest Buyers
| Institution | Net Bought |
|---|---|
ALLIANCEBERNSTEIN L.P. Long Only Manager | +$445.9K +42.8K shares |
M Minerva Advisors LLC Hedge Fund•Value | +$44.4K +4.3K shares |
UBS Group AG Institution | +$10.1K +967.0 shares |
SANDLER ONEILL ASSET MANAGEMENT LLC Hedge Fund•Long/Short | +$1.0K +100.0 shares |
 BANK OF AMERICA CORP /DE/ Institution | +$62.7 +6.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | −$117.0K −11.7K shares |
VANGUARD GROUP INC Institution | −$115.9K −11.1K shares |
T Tower Research Capital LLC Institution | −$3.2K −307.0 shares |
M Murchinson Ltd. Institution | −$62.6 −6.0 shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited MBBC in Q3 2025
- New Positions
- 0
- New Value
- -
- Exited Positions
- 1
- Exited Value
- $117.0K
New Positions
| Institution | Position Value |
|---|---|
| No new positions found | |
Exited Positions
| Institution | Previous Position |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $117.0K 11.7K shares |
Options Activity
Institutions with the largest Call and Put options positions in MBBC as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with MBBC as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
R RAFFLES ASSOCIATES LP Hedge Fund•Value | 1.08% $1.1M |
M Minerva Advisors LLC Hedge Fund•Value | 0.39% $615.1K |
SANDLER ONEILL ASSET MANAGEMENT LLC Hedge Fund•Long/Short | 0.22% $1.4M |
S Stilwell Value LLC Hedge Fund•Activist | 0.07% $208.6K |
M Murchinson Ltd. Institution | 0.05% $237.8K |
KITZINGER LAUTMANN CAPITAL MANAGEMENT INC Long Only Manager | 0.04% $358.0K |
ALLIANCEBERNSTEIN L.P. Long Only Manager | 0.00% $1.4M |
T Tower Research Capital LLC Institution | 0.00% $3.8K |
VANGUARD GROUP INC Institution | 0.00% $370.6K |
UBS Group AG Institution | 0.00% $23.5K |
Hedge Fund Spotlight
Discover hedge funds investing in MBBC
- Portfolio Value
- $103.8M
- Positions
- 48
- Last Reported
- Q3 2025
Position in Marathon Bancorp Inc
- Market Value
- $1.1M
- Shares Held
- 107.7K
- Portfolio Weight
- 1.08%
- Owned Since
- 2025-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Banks - Regional Financial Services | $12.0M | 11.60% | |
Biotechnology Healthcare | $9.1M | 8.77% | |
Software - Application Technology | $8.1M | 7.83% |
