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Middlefield Banc Corp. (MBCN) institutional ownership

Market cap$219M SectorFinancial Services
Funds holding · Q1 2026
85
reported MBCN position changes
Top owners · Q1 2026
No disclosed owners are available.
Institutional activity · Q1 2026
Activity unavailable N/A
0 buyers · 85 sellers

Middlefield Banc Corp. (MBCN) price and institutional activity

Dates

Q1 2026

$0 bought by 0 investors
$0 sold by 85 investors
BlackRockGeode +83 more
Bought Sold Totals per quarter; hover a bar for the names.

Middlefield Banc Corp. (MBCN) institutional activity · 85

Investor Type Est. change Change Δ Own Date
BlackRock · Exited
Change −464K Δ Own −100.0% Date Q1 2026
BlackRock Exited· Q1 2026 −464K −100.0% Q1 2026
Geode · Exited
Change −172K Δ Own −100.0% Date Q1 2026
Geode Exited· Q1 2026 −172K −100.0% Q1 2026
State Street · Exited
Change −112K Δ Own −100.0% Date Q1 2026
State Street Exited· Q1 2026 −112K −100.0% Q1 2026
Alliancebernstein L.P. · Exited
Change −105K Δ Own −100.0% Date Q1 2026
Alliancebernstein L.P. Exited· Q1 2026 −105K −100.0% Q1 2026
Gardner Lewis Asset Management L P · Exited
Change −93K Δ Own −100.0% Date Q1 2026
Gardner Lewis Asset Management L P Exited· Q1 2026 −93K −100.0% Q1 2026
Dimensional · Exited
Change −84K Δ Own −100.0% Date Q1 2026
Dimensional Exited· Q1 2026 −84K −100.0% Q1 2026
Glazer Capital, LLC · Exited
Change −53K Δ Own −100.0% Date Q1 2026
Glazer Capital, LLC Exited· Q1 2026 −53K −100.0% Q1 2026
Bridgeway Capital Management, LLC · Exited
Change −51K Δ Own −100.0% Date Q1 2026
Bridgeway Capital Management, LLC Exited· Q1 2026 −51K −100.0% Q1 2026
Northern Trust · Exited
Change −50K Δ Own −100.0% Date Q1 2026
Northern Trust Exited· Q1 2026 −50K −100.0% Q1 2026
Stratos Investment Management, LLC · Exited
Change −39K Δ Own −100.0% Date Q1 2026
Stratos Investment Management, LLC Exited· Q1 2026 −39K −100.0% Q1 2026
Frazier Financial Advisors, LLC · Exited
Change −39K Δ Own −100.0% Date Q1 2026
Frazier Financial Advisors, LLC Exited· Q1 2026 −39K −100.0% Q1 2026
Clearstead Advisors, LLC · Exited
Change −35K Δ Own −100.0% Date Q1 2026
Clearstead Advisors, LLC Exited· Q1 2026 −35K −100.0% Q1 2026
Huntington National Bank · Exited
Change −33K Δ Own −100.0% Date Q1 2026
Huntington National Bank Exited· Q1 2026 −33K −100.0% Q1 2026
Renaissance Technologies LLC Exited· Q1 2026 −33K −100.0% Q1 2026
JPMorgan Chase & Co · Exited
Change −33K Δ Own −100.0% Date Q1 2026
JPMorgan Chase & Co Exited· Q1 2026 −33K −100.0% Q1 2026
Data through Q1 2026 · filed May 27, 2026
15 of 85

Famous investor activity in Middlefield Banc Corp. (MBCN)

Middlefield Banc Corp. (MBCN) insider trading

Company insiders, action and economics first; trade and filed dates last.
Dates
Insider Title Type Price Qty Value Owned ΔOwn Trade date Filed date
Voinovich Michael C. · Director 6 operations -26K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Voinovich Michael C. Director 6 operations -26K 0 Mar 2, 2026 Mar 2, 2026
Turk Carolyn J. · Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -33K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Turk Carolyn J. Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -33K 0 Mar 2, 2026 Mar 2, 2026
Skidmore William J. · Director 2 operations -23K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Skidmore William J. Director 2 operations -23K 0 Mar 2, 2026 Mar 2, 2026
Bevan Thomas W. · Director 2 operations -53K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Bevan Thomas W. Director 2 operations -53K 0 Mar 2, 2026 Mar 2, 2026
Digeronimo Kevin A. · Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -5K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Digeronimo Kevin A. Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -5K 0 Mar 2, 2026 Mar 2, 2026
Jones Kenneth E. · Director 2 operations -20K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Jones Kenneth E. Director 2 operations -20K 0 Mar 2, 2026 Mar 2, 2026
McCaskey James J. · Director 3 operations -12K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
McCaskey James J. Director 3 operations -12K 0 Mar 2, 2026 Mar 2, 2026
Moeller Jennifer L. · Director 2 operations -5K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Moeller Jennifer L. Director 2 operations -5K 0 Mar 2, 2026 Mar 2, 2026
Zimmerly Ronald Len Jr · Director, Officer 2 operations -93K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Zimmerly Ronald Len Jr Director, Officer 2 operations -93K 0 Mar 2, 2026 Mar 2, 2026
Ranttila Michael · Officer 3 operations -33K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Ranttila Michael Officer 3 operations -33K 0 Mar 2, 2026 Mar 2, 2026
Erminio Courtney M. · Officer 2 operations -20K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Erminio Courtney M. Officer 2 operations -20K 0 Mar 2, 2026 Mar 2, 2026
Cheravitch Michael L. · Officer Shares transferred outside the market (D), often for tax or as a gift, not a market sale -16K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Cheravitch Michael L. Officer Shares transferred outside the market (D), often for tax or as a gift, not a market sale -16K 0 Mar 2, 2026 Mar 2, 2026
Noblit Rebecca A. · Officer Shares transferred outside the market (D), often for tax or as a gift, not a market sale -21K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Noblit Rebecca A. Officer Shares transferred outside the market (D), often for tax or as a gift, not a market sale -21K 0 Mar 2, 2026 Mar 2, 2026
Wilson Thomas M. · Officer 2 operations -35K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Wilson Thomas M. Officer 2 operations -35K 0 Mar 2, 2026 Mar 2, 2026
Winters Sarah A. · Officer Shares transferred outside the market (D), often for tax or as a gift, not a market sale -14K
Owned 0 Trade date Mar 2, 2026 Filed date Mar 2, 2026
Winters Sarah A. Officer Shares transferred outside the market (D), often for tax or as a gift, not a market sale -14K 0 Mar 2, 2026 Mar 2, 2026
15 of 83
15 of 83 Sign in to continue to older insider transactions.

Middlefield Banc Corp. (MBCN) activist and large shareholders

Dates
Owner/Filer identity Shares reported % of shares outstanding Filing date
BlackRock Inc. 484K
% of shares outstanding 6.0% Filing date Jan 29, 2024
BlackRock Inc. 484K 6.0% Jan 29, 2024
The Vanguard Group 416K
% of shares outstanding 5.1% Filing date Jul 29, 2025
The Vanguard Group 416K 5.1% Jul 29, 2025
2 of 2

Middlefield Banc Corp. (MBCN) ownership FAQ

Who owns MBCN?

85 reporting institutions disclosed MBCN position changes in the Q1 2026 snapshot.

How is institutional activity calculated?

For each manager, WhoBought compares accepted consecutive 13F share counts. Share change is current shares minus prior shares. Estimated dollar change is that signed share change multiplied by the split-adjusted quarter-mean close. The activity table on this page uses Q1 2026.

What are activist and large shareholder filings?

An investor crossing 5% of a share class generally files Schedule 13D for activist intent or Schedule 13G for a passive position. The technical form names appear here rather than in the activity rows.

Where does this data come from?

Ownership and institutional activity come from SEC Form 13F filings. Insider activity comes from SEC Form 4, and large-shareholder activity from SEC Schedules 13D and 13G. FMP supplies price data only. Company logos use the local verified Parqet cache with one shared fallback.

Why are ownership reports delayed?

Form 13F is a quarterly disclosure and is normally filed after the quarter ends. Every ownership and activity value therefore names its represented period; it is not presented as a live position.

How are missing table values shown?

A muted dash marks a missing table value. It means the filing omitted the value, comparable data is unavailable, or no prior position exists for comparison.