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Middlefield Banc Corp (MBCN)

CUSIP: 596304204 | NYSE | Financial Services · Banks - Regional | Micro Cap | 171 institutional holders

Quarters

Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

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5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13D/ACastle Creek Capital Partners VI, LP312,8473.9%UnchangedJan 30, 2026122d ahead of 13F (560,500 sh) · −247,653
13D/ACastle Creek Capital Partners VI, LP312,847
3.9% of class · Jan 30, 2026Unchanged
122d ahead of 13F (560,500 sh) · −247,653

Institutional Holders — Q1 2026

IFP Advisors, Inc2
0.0% of portfolio›$67
Vanguard Group Inc0
0.0% of portfolio›$0
StyleTurnoverLocationFiled
IFP Advisors, Inc
2$670.0%GrowthLowTampa, FL2026-04-13
Vanguard Group Inc
0$00.0%N/AN/AValley Forge, PA2026-05-14