SightfileU.S. market data from official filings

Companies › MBBC

MARATHON BANCORP INC (MBBC)

Institutional ownership, SEC filings and insider activity

Sector: Financials · SEC CIK 0001835385 · EDGAR filings · Updated 2026-07-01

MARATHON BANCORP INC (MBBC) has reported institutional ownership of 20.8%, with 9 institutional managers holding positions valued at $8.08M per the latest 13F reporting period. SEC filings include an active non-reliance notice on previously issued financial statements (8-K Item 4.02).

Institutional ownership
20.8%
Institutional managers
9
Reported 13F value
$8.08M
Insider activity
42 trans.
$36.8K net buying
Data flags
1 active
from SEC filings

Latest updates

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, MARATHON BANCORP INC has 9 institutional holders and institutional ownership of 20.8%.

Insider activity

Insiders reported 42 transactions (4 buys, 0 sells) across 9 reporting insiders, with a net reported value of $36.8K.

Data flags from SEC filings

Active non-reliance notice on previously issued financial statements (8-K Item 4.02), most recently filed 2023-09-20 (recurring since 2023-09-20) — source filing. The authoritative details are those stated in the filing itself.

Related companies

SACHEM CAPITAL CORP (SACH) · FG NEXUS INC. (FGNX) · Embassy Bancorp Inc (EMYB) · OPTIMUMBANK HLDGS INC (OPHC) · BOGOTA FINANCIAL CORP (BSBK) · VIRNETX HLDG CORP (VHC)

See full history, cross-references and alerts on Sightfile
Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-01.