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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, Q3 2023

Institutional positions in Middlefield Banc Corp as of Sep 30, 2023. 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
49
−1 vs. Q2 2023
Shares held
1.92M
−123.5K (−6.0%) vs. Q2 2023
Total value
$48.8M
−$5.98M (−10.9%) vs. Q2 2023
New holders
4
16 more added
Sold out
5
16 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: new holders, sold out and not filed yet

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 holdersQ3 2023: 49 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 heldQ3 2023: $48.8M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Middlefield Banc Corp; share changes are against Q2 2023.

Institutions holding MBCN in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd5$00.00%+5New
Citigroup Inc4$1020.00%−2,336−99.8%Reduced
West Tower Group, LLC66$1.68K0.00%+66New
Tyler-Stone Wealth Management200$5.00K0.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC391$9.94K0.00%+391New
Metropolitan Life Insurance Co438$11.1K0.00%00.0%Unchanged
FMR LLC443$11.3K0.00%+43+10.8%Added
Legal & General Group Plc600$15.2K0.00%−149−19.9%Reduced
Advisor Group Holdings, Inc.600$15.2K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.649$16.5K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)649$16.5K0.00%+324+99.7%Added
Amalgamated Bank765$19.0K0.00%00.0%Unchanged
Royal Bank of Canada1,370$35.0K0.00%+299+27.9%Added
California State Teachers Retirement System1,734$44.1K0.00%−881−33.7%Reduced
BNP Paribas Arbitrage, SA3,157$80.2K0.00%+1,115+54.6%Added
New York State Common Retirement Fund3,764$95.6K0.00%+64+1.7%Added
American International Group, Inc.3,922$99.7K0.00%+139+3.7%Added
National Bank of Canada4,166$104.2K0.00%00.0%Unchanged
MetLife Investment Management4,231$107.5K0.00%00.0%Unchanged
SG Americas Securities, LLC4,583$116.0K0.00%+4,583New
JPMorgan Chase & Co5,592$142.1K0.00%−908−14.0%Reduced
Morgan Stanley7,563$192.2K0.00%−1,555−17.1%Reduced
Rhumbline Advisers8,047$204.5K0.00%+412+5.4%Added
YHB Investment Advisors, Inc.8,216$208.8K0.02%−736−8.2%Reduced
Barclays PLC8,941$227.2K0.00%−13−0.1%Reduced
Nuveen Asset Management, LLC10,348$262.9K0.00%00.0%Unchanged
Wells Fargo & Company13,568$344.8K0.00%−1,059−7.2%Reduced
Empowered Funds, LLC14,175$360.2K0.01%+1,106+8.5%Added
UBS Group AG15,308$389.0K0.00%−329−2.1%Reduced
Ancora Advisors, LLC15,701$399.0K0.01%−22,608−59.0%Reduced
Bank of America Corp17,280$439.1K0.00%+744+4.5%Added
John G Ullman & Associates Inc17,611$447.5K0.07%−9,359−34.7%Reduced
Riggs Asset Managment Co. Inc.18,580$472.1K0.17%00.0%Unchanged
Charles Schwab Investment Management Inc21,421$544.3K0.00%00.0%Unchanged
Redmont Wealth Advisors LLC32,126$816.3K1.43%+1,961+6.5%Added
Huntington National Bank33,952$862.7K0.01%−1,000−2.9%Reduced
Bank of New York Mellon Corp34,050$865.2K0.00%+264+0.8%Added
Lineweaver Wealth Advisors, LLC39,402$1.00M0.29%00.0%Unchanged
Fundamentun, LLC39,404$1.00M0.15%00.0%Unchanged
Renaissance Technologies LLC39,812$1.01M0.00%+100+0.3%Added
Bridgeway Capital Management, LLC48,175$1.22M0.03%+1,106+2.3%Added
Clearstead Advisors, LLC48,982$1.24M0.08%00.0%Unchanged
Northern Trust Corp61,578$1.56M0.00%−3,369−5.2%Reduced
Dimensional Fund Advisors LP82,618$2.10M0.00%−855−1.0%Reduced
State Street Corp96,640$2.46M0.00%+4,166+4.5%Added
Geode Capital Management, LLC149,996$3.81M0.00%−239−0.2%Reduced
Alliancebernstein L.P.196,732$5.00M0.00%−45,002−18.6%Reduced
Vanguard Group Inc379,322$9.64M0.00%+12,107+3.3%Added
BlackRock Inc.422,865$10.7M0.00%+10,370+2.5%Added
Strategic Value Bank Partners LLC0$00.00%−42,446−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−12,783−100.0%Sold out
Cerity Partners LLC0$00.00%−8,965−100.0%Sold out
Cambridge Investment Research Advisors, Inc.0$00.00%−7,544−100.0%Sold out
Acadian Asset Management LLC0$00.00%−761−100.0%Sold out
EA Series Trust––––Not filed