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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 2024

Institutional positions in Middlefield Banc Corp as of Mar 31, 2024. 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
53
−4 vs. Q4 2023
Shares held
2.53M
−34.4K (−1.3%) vs. Q4 2023
Total value
$60.4M
−$22.7M (−27.3%) vs. Q4 2023
New holders
3
14 more added
Sold out
7
22 more reduced

Compare with Q4 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 holdersQ1 2024: 53 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 2024: $60.4M
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 2024

Shares, value and share of portfolio for each institution holding Middlefield Banc Corp; share changes are against Q4 2023.

Institutions holding MBCN in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Castle Creek Capital Partners VI, LP560,500$13.4M10.91%00.0%Unchanged
BlackRock Inc.466,966$11.2M0.00%−17,236−3.6%Reduced
Vanguard Group Inc386,196$9.22M0.00%+3,782+1.0%Added
Geode Capital Management, LLC165,582$3.95M0.00%+5,331+3.3%Added
Alliancebernstein L.P.137,215$3.28M0.00%−7,358−5.1%Reduced
State Street Corp101,590$2.43M0.00%+2,506+2.5%Added
Dimensional Fund Advisors LP80,071$1.91M0.00%−1,644−2.0%Reduced
Northern Trust Corp65,782$1.57M0.00%−460−0.7%Reduced
Bridgeway Capital Management, LLC48,652$1.16M0.02%−867−1.8%Reduced
Clearstead Advisors, LLC48,982$1.09M0.05%00.0%Unchanged
Renaissance Technologies LLC39,612$946.0K0.00%+100+0.3%Added
Fundamentun, LLC39,404$941.0K0.09%00.0%Unchanged
Lineweaver Wealth Advisors, LLC38,502$919.4K0.22%00.0%Unchanged
Bank of New York Mellon Corp33,852$808.4K0.00%−2,054−5.7%Reduced
Huntington National Bank33,506$800.1K0.01%−248−0.7%Reduced
Redmont Wealth Advisors LLC32,017$764.6K1.06%+3,989+14.2%Added
Charles Schwab Investment Management Inc21,421$511.5K0.00%00.0%Unchanged
UBS Group AG19,094$456.0K0.00%−2,784−12.7%Reduced
Riggs Asset Managment Co. Inc.18,530$442.5K0.13%−50−0.3%Reduced
United Capital Financial Advisers, LLC18,264$436.1K0.00%+18,264New
Empowered Funds, LLC14,652$349.9K0.01%−867−5.6%Reduced
JPMorgan Chase & Co14,437$344.8K0.00%+6,677+86.0%Added
Nuveen Asset Management, LLC14,177$338.5K0.00%00.0%Unchanged
Wells Fargo & Company14,004$334.4K0.00%−845−5.7%Reduced
Barclays PLC12,938$309.0K0.00%−5,261−28.9%Reduced
Citadel Advisors LLC12,672$302.6K0.00%+12,672New
Morgan Stanley12,583$300.5K0.00%−5,380−30.0%Reduced
Rhumbline Advisers11,899$284.1K0.00%+367+3.2%Added
Invesco Ltd.10,478$250.2K0.00%+2,552+32.2%Added
Ancora Advisors, LLC10,351$247.2K0.01%−2,210−17.6%Reduced
Bank of America Corp8,979$214.4K0.00%−10,670−54.3%Reduced
Cerity Partners LLC8,965$214.1K0.00%00.0%Unchanged
MetLife Investment Management4,231$101.0K0.00%00.0%Unchanged
American International Group, Inc.3,874$92.5K0.00%−32−0.8%Reduced
National Bank of Canada4,166$91.1K0.00%00.0%Unchanged
New York State Common Retirement Fund3,765$89.9K0.00%−7−0.2%Reduced
BNP Paribas Arbitrage, SA3,668$87.6K0.00%+1,204+48.9%Added
Deutsche Bank AG3,429$81.9K0.00%+541+18.7%Added
Citigroup Inc1,475$35.2K0.00%+353+31.5%Added
Tower Research Capital LLC (TRC)980$23.4K0.00%+301+44.3%Added
California State Teachers Retirement System790$18.9K0.00%−504−38.9%Reduced
Ameritas Investment Partners, Inc.649$15.5K0.00%00.0%Unchanged
Legal & General Group Plc600$14.3K0.00%00.0%Unchanged
Metropolitan Life Insurance Co438$10.5K0.00%00.0%Unchanged
FMR LLC360$8.60K0.00%−82−18.6%Reduced
Advisor Group Holdings, Inc.300$7.16K0.00%00.0%Unchanged
Amalgamated Bank265$6.00K0.00%−421−61.4%Reduced
Frazier Financial Advisors, LLC220$5.26K0.00%+2+0.9%Added
Tyler-Stone Wealth Management200$4.78K0.00%00.0%Unchanged
Royal Bank of Canada187$4.00K0.00%−5,023−96.4%Reduced
GAMMA Investing LLC129$3.08K0.00%−308−70.5%Reduced
Covestor Ltd8$00.00%+5+166.7%Added
CWM, LLC2$00.00%+2New
Virtu Financial LLC0$00.00%−8,440−100.0%Sold out
YHB Investment Advisors, Inc.0$00.00%−8,216−100.0%Sold out
Cambridge Investment Research Advisors, Inc.0$00.00%−7,574−100.0%Sold out
SG Americas Securities, LLC0$00.00%−4,394−100.0%Sold out
West Tower Group, LLC0$00.00%−81−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−71−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−9−100.0%Sold out