MARATHON BANCORP INC (MBBC) Institutional Ownership Changes & 13F Activity
MARATHON BANCORP INC (MBBC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Minerva Advisors Llc, Citadel Advisors Llc, Geode Capital Management, Llc, Blackrock, Inc., and Vanguard Fiduciary Trust Co.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +10,984 | — | 10,984 | $167.84K | Q2 2026 | Sep 02, 2026 |
| Maltese Capital Management Llc | Buy | +198 | +0.1% | 145,298 | $2.22M | Q2 2026 | Aug 14, 2026 |
| Vanguard Fiduciary Trust Co | Sell | -4,920 | -29.9% | 11,514 | $175.93K | Q2 2026 | Aug 13, 2026 |
| Vanguard Capital Management Llc | Sell | -571 | -0.7% | 76,027 | $1.16M | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Buy | +89 | — | 89 | $1.36K | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Buy | +10,871 | — | 10,871 | $166.11K | Q2 2026 | Aug 12, 2026 |
| Blackrock, Inc. | Buy | +8,357 | — | 8,357 | $127.69K | Q2 2026 | Aug 07, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -226 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Minerva Advisors Llc | Sell | -58,976 | -100.0% | 0 | $0.00 | Q2 2026 | May 12, 2026 |
Frequently asked questions about MBBC activity
Which institutional owners are buying MBBC?
Institutional owners buying MBBC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in MBBC activity?
"Buy" means an investor increased their reported position in MBBC compared to the prior reporting period. This reflects growing exposure to MARATHON BANCORP INC (MBBC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in MBBC increasing?
Institutional interest in MBBC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related MBBC Institutional Insights
- MBBC Overview
- MBBC 13F Institutional Holders
- MBBC Superinvestors
- Financial Services Sector Institutional Ownership
- Financial Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Financial Services Stocks By Institutional Investors
- Most Sold Financial Services Stocks By Institutional Investors
- MBBC Insider Trading & SEC Form 4 Activity
- MBBC Articles
- Top Institutional Investor Stock Rankings