MBBC
Marathon Bancorp, Inc. /MD/
$15.25
-0.06 (-0.39%)
At close · Jul 2
Market Cap
$45.00M
Shares
2,950,746
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 9
Total Value: $8,287,876
Total Shares: 612,556
Institutional Ownership Trend
4 quarters
Holder Concentration
Across 9 13F filers · Δ vs Dec 31, 2025Top Holder
25.0%
+0.0 pts
Top 5
88.4%
−2.7 pts
Top 10
100.0%
0.0 pts
HHI
1,794
Moderately concentrated−66
Quarterly Activity
vs Dec 31, 2025
New
2
Increased
0
Decreased
1
Sold Out
2
Unchanged
6
Holder count:
0
Institutional value:
+11.2%
Shares held:
-0.0%
Top Buyers
vs Dec 31, 2025No qualifying movers this quarter.
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid Tower Research Capital LLC (TRC) | −155 | 226 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 76,598 | $1,036,370 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 16,434 | $222,352 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 93,032 | $1,131,268 | |
| Mega BANK OF AMERICA CORP /DE/ | 15 | $182 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega ALLIANCEBERNSTEIN L.P. | $2,073,310 | 25.02% | 153,238 | Shares | Defined | 2026-05-15 | ||||
| Small MALTESE CAPITAL MANAGEMENT LLC | $1,963,201 | 23.69% | 145,100 | Shares | Sole | 2026-05-15 | ||||
| Micro RAFFLES ASSOCIATES LP | $1,456,693 | 17.58% | 107,664 | Shares | Sole | 2026-05-15 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $1,036,370 | 12.50% | 76,598 | Shares | Defined | 2026-05-15 | ||||
| Small Minerva Advisors LLC | $797,944 | 9.63% | 58,976 | Shares | Sole | 2026-05-12 | ||||
| Mid KLCM Advisors, Inc. | $464,349 | 5.60% | 34,320 | Shares | Sole | 2026-04-30 | ||||
| Micro STILWELL VALUE LLC | $270,600 | 3.27% | 20,000 | Shares | Defined | 2026-05-06 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $222,352 | 2.68% | 16,434 | Shares | Defined | 2026-05-08 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,057 | 0.04% | 226 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||