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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, Q2 2021

Institutional positions in Middlefield Banc Corp as of Jun 30, 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
43
−1 vs. Q1 2021
Shares held
1.93M
−435.3K (−18.4%) vs. Q1 2021
Total value
$45.7M
−$4.03M (−8.1%) vs. Q1 2021
New holders
10
6 more added
Sold out
11
19 more reduced

Compare with Q1 2021: 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 holdersQ2 2021: 43 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 heldQ2 2021: $45.7M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Middlefield Banc Corp; share changes are against Q1 2021.

Institutions holding MBCN in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ancora Advisors, LLC417,574$9.86M0.26%+4,035+1.0%Added
Vanguard Group Inc250,119$5.90M0.00%−19,409−7.2%Reduced
Carnegie Capital Asset Management, LLC170,434$4.02M0.15%−950−0.6%Reduced
Siena Capital Partners GP, LLC130,110$3.07M0.99%00.0%Unchanged
EJF Capital LLC96,657$2.28M0.20%+96,657New
Millennium Management LLC95,632$2.26M0.00%+95,632New
Dimensional Fund Advisors LP91,378$2.16M0.00%−802−0.9%Reduced
Renaissance Technologies LLC88,012$2.08M0.00%+6,200+7.6%Added
Clearstead Advisors, LLC82,902$1.96M0.15%−5,073−5.8%Reduced
Lineweaver Wealth Advisors, LLC69,402$1.64M0.54%00.0%Unchanged
Geode Capital Management, LLC55,502$1.31M0.00%−40,071−41.9%Reduced
Bridgeway Capital Management, LLC47,300$1.12M0.02%00.0%Unchanged
Alliancebernstein L.P.39,165$924.0K0.00%+4,251+12.2%Added
United Capital Financial Advisers, LLC30,000$708.0K0.00%00.0%Unchanged
John G Ullman & Associates Inc28,420$671.0K0.09%−450−1.6%Reduced
Kennedy Capital Management, Inc.26,882$634.0K0.01%+26,882New
Ergoteles LLC25,900$611.0K0.01%+25,900New
Fourthstone LLC21,987$517.0K0.22%+21,987New
Huntington National Bank20,751$490.0K0.00%−431−2.0%Reduced
Susquehanna Fundamental Investments, LLC20,343$480.0K0.01%+20,343New
Riggs Asset Managment Co. Inc.18,830$444.0K0.12%00.0%Unchanged
BlackRock Inc.18,398$434.0K0.00%−310,469−94.4%Reduced
Bank of New York Mellon Corp13,563$320.0K0.00%−16,036−54.2%Reduced
State Street Corp12,677$299.0K0.00%−77,800−86.0%Reduced
Northern Trust Corp12,586$298.0K0.00%−46,409−78.7%Reduced
YHB Investment Advisors, Inc.8,952$211.0K0.02%+8,952New
Cutter & CO Brokerage, Inc.8,878$210.0K0.05%+8,878New
HRT Financial LP8,500$200.0K0.00%+8,500New
Wells Fargo & Company8,334$197.0K0.00%−21,720−72.3%Reduced
UBS Group AG2,448$58.0K0.00%−1,216−33.2%Reduced
Royal Bank of Canada2,037$48.0K0.00%+1,419+229.6%Added
Bank of America Corp1,737$41.0K0.00%−11,642−87.0%Reduced
Barclays PLC1,554$37.0K0.00%−3,443−68.9%Reduced
Morgan Stanley1,439$34.0K0.00%+210+17.1%Added
Advisor Group Holdings, Inc.1,400$33.0K0.00%00.0%Unchanged
JPMorgan Chase & Co1,318$31.0K0.00%−18,024−93.2%Reduced
The PNC Financial Services Group, Inc.1,000$24.0K0.00%00.0%Unchanged
Acadian Asset Management LLC941$22.0K0.00%−1,074−53.3%Reduced
Tower Research Capital LLC (TRC)864$20.0K0.00%+314+57.1%Added
Optiver Holding B.V.749$18.0K0.00%+749New
O'Shaughnessy Asset Management, LLC189$4.00K0.00%00.0%Unchanged
New York State Common Retirement Fund52$1.00K0.00%−5,448−99.1%Reduced
BNP Paribas Arbitrage, SA33$7790.00%−2,786−98.8%Reduced
Elizabeth Park Capital Advisors, Ltd.0$00.00%−90,024−100.0%Sold out
Banc Funds Co LLC0$00.00%−50,159−100.0%Sold out
Charles Schwab Investment Management Inc0$00.00%−14,716−100.0%Sold out
Nuveen Asset Management, LLC0$00.00%−9,946−100.0%Sold out
California State Teachers Retirement System0$00.00%−9,013−100.0%Sold out
Deutsche Bank AG0$00.00%−3,868−100.0%Sold out
American International Group, Inc.0$00.00%−3,485−100.0%Sold out
Legal & General Group Plc0$00.00%−527−100.0%Sold out
Citigroup Inc0$00.00%−503−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−528−100.0%Sold out
Bank of Montreal0$00.00%−184−100.0%Sold out