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Middlefield Banc Corp

MBCNDelisted Mar 2, 2026
Industry
State Commercial Banks
SEC CIK
0000836147

Middlefield Banc Corp was delisted on Mar 2, 2026; its insiders filed their last Form 4 on Mar 2, 2026; 87 institutions reported holding it in 13F filings for Q4 2025, worth $81.0M in total; no superinvestor held it.

13F holders, Q1 2021

Institutional positions in Middlefield Banc Corp as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
44
No complete 13F data for Q4 2020
Shares held
2.37M
No complete 13F data for Q4 2020
Total value
$49.7M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting MBCN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 44 institutions
Q1 2021: 44 institutionsQ2 2021: 43 institutionsQ3 2021: 36 institutionsQ4 2021: 39 institutionsQ1 2022: 40 institutionsQ2 2022: 37 institutionsQ3 2022: 36 institutionsQ4 2022: 41 institutionsQ1 2023: 41 institutionsQ2 2023: 51 institutionsQ3 2023: 49 institutionsQ4 2023: 57 institutionsQ1 2024: 53 institutionsQ2 2024: 59 institutionsQ3 2024: 60 institutionsQ4 2024: 63 institutionsQ1 2025: 68 institutionsQ2 2025: 69 institutionsQ3 2025: 73 institutionsQ4 2025: 87 institutionsQ1 2026: 1 institutionQ2 2026: 0 institutions
Value heldQ1 2021: $49.7M
Q1 2021: $49.7MQ2 2021: $45.7MQ3 2021: $42.9MQ4 2021: $42.4MQ1 2022: $42.5MQ2 2022: $41.1MQ3 2022: $45.1MQ4 2022: $42.6MQ1 2023: $43.9MQ2 2023: $55.1MQ3 2023: $48.8MQ4 2023: $83.1MQ1 2024: $60.4MQ2 2024: $61.6MQ3 2024: $76.3MQ4 2024: $76.2MQ1 2025: $75.4MQ2 2025: $83.5MQ3 2025: $83.2MQ4 2025: $81.0MQ1 2026: $67Q2 2026: $0
Institutions holding MBCN and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20261$67
Q4 202587$81.0M
Q3 202573$83.2M
Q2 202569$83.5M
Q1 202568$75.4M
Q4 202463$76.2M
Q3 202460$76.3M
Q2 202459$61.6M
Q1 202453$60.4M
Q4 202357$83.1M
Q3 202349$48.8M
Q2 202351$55.1M
Q1 202341$43.9M
Q4 202241$42.6M
Q3 202236$45.1M
Q2 202237$41.1M
Q1 202240$42.5M
Q4 202139$42.4M
Q3 202136$42.9M
Q2 202143$45.7M
Q1 202144$49.7M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Middlefield Banc Corp.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding MBCN in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ancora Advisors, LLC413,539$8.67M0.24%––
BlackRock Inc.328,867$6.89M0.00%––
Vanguard Group Inc269,528$5.65M0.00%––
Carnegie Capital Asset Management, LLC171,384$3.60M0.15%––
Siena Capital Partners GP, LLC130,110$2.73M0.97%––
Geode Capital Management, LLC95,573$2.00M0.00%––
Dimensional Fund Advisors LP92,180$1.93M0.00%––
State Street Corp90,477$1.90M0.00%––
Elizabeth Park Capital Advisors, Ltd.90,024$1.89M0.63%––
Clearstead Advisors, LLC87,975$1.84M0.15%––
Renaissance Technologies LLC81,812$1.72M0.00%––
Lineweaver Wealth Advisors, LLC69,402$1.45M0.52%––
Northern Trust Corp58,995$1.24M0.00%––
Banc Funds Co LLC50,159$1.05M0.08%––
Bridgeway Capital Management, LLC47,300$991.0K0.02%––
Alliancebernstein L.P.34,914$732.0K0.00%––
Wells Fargo & Company30,054$629.0K0.00%––
United Capital Financial Advisers, LLC30,000$629.0K0.00%––
Bank of New York Mellon Corp29,599$620.0K0.00%––
John G Ullman & Associates Inc28,870$605.0K0.08%––
Huntington National Bank21,182$444.0K0.01%––
JPMorgan Chase & Co19,342$405.0K0.00%––
Riggs Asset Managment Co. Inc.18,830$395.0K0.12%––
Charles Schwab Investment Management Inc14,716$309.0K0.00%––
Bank of America Corp13,379$280.0K0.00%––
Nuveen Asset Management, LLC9,946$208.0K0.00%––
California State Teachers Retirement System9,013$189.0K0.00%––
New York State Common Retirement Fund5,500$115.0K0.00%––
Barclays PLC4,997$105.0K0.00%––
Deutsche Bank AG3,868$81.0K0.00%––
UBS Group AG3,664$77.0K0.00%––
American International Group, Inc.3,485$73.0K0.00%––
BNP Paribas Arbitrage, SA2,819$59.1K0.00%––
Acadian Asset Management LLC2,015$42.0K0.00%––
Advisor Group Holdings, Inc.1,400$29.0K0.00%––
Morgan Stanley1,229$26.0K0.00%––
The PNC Financial Services Group, Inc.1,000$20.0K0.00%––
Royal Bank of Canada618$13.0K0.00%––
Tower Research Capital LLC (TRC)550$12.0K0.00%––
Legal & General Group Plc527$11.0K0.00%––
Citigroup Inc503$11.0K0.00%––
Ameritas Investment Partners, Inc.528$11.0K0.00%––
Bank of Montreal184$4.00K0.00%––
O'Shaughnessy Asset Management, LLC189$4.00K0.00%––