MARATHON BANCORP INC

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MBBC·565759206·US·Common Stock·Financial Services - Banks - Regional-13D/G

MBBC (MARATHON BANCORP INC) is held by 7 institutional investors as of Q2 2026. Largest holders: ALLIANCEBERNSTEIN L.P. ($2.1M), VANGUARD CAPITAL MANAGEMENT LLC ($1.2M), VANGUARD FIDUCIARY TRUST CO ($175,934). Net institutional sentiment: Mixed.

7

Holders

$3.9M

Total Value

67% (6)

Consensus

4 buying - 2 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)75

Insider (Form 4)41

Activist (13D/13G)27

Congressional (STOCK Act)53

Holder Quality

83

★★★★★

Elite

27

★★★★

Strong

11

★★★

Solid

49

★★

Below

12

★

Weak

Held by 7 funds

Who's Trading

Source dates: Price Oct 12, 2026 · Insiders Sep 18, 2026 · Activists Jul 1, 2026 · Congress none

InsiderSNSpatz NoraExercise 1K shSep 18, 2026

InsiderSNSpatz NoraExercise 962 shSep 18, 2026

ActivistMBMarathon Bank 401(k) Plan Trust6.6%Jul 1, 2026

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Top Holders

Top Holders (7)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
ALLIANCEBERNSTEIN L.P.	Unchanged	153,238	$2.1M	0.0%	+44.41%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	76,027(-0.8%)	$1.2M	0.0%	+6.75%	0
VFVANGUARD FIDUCIARY TRUST CO	Decreased	11,514(-29.9%)	$175,934	0.0%	+6.75%	0
CITADEL ADVISORS LLC	New	10,984	$167,836	0.0%	-1.70%	35
GEODE CAPITAL MANAGEMENT, LLC	New	10,871	$166,107	0.0%	-1.70%	34
BlackRock, Inc.	New	8,357	$127,695	0.0%	-1.70%	34
UBS Group AG	New	89	$1,360	0.0%	-1.70%	17

MBBCMARATHON BANCORP INC

1M3M6M1Y3Y5Y

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer