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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 2024

Institutional positions in Middlefield Banc Corp as of Sep 30, 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
60
+2 vs. Q2 2024
Shares held
2.65M
+547.8K (+26.1%) vs. Q2 2024
Total value
$76.3M
+$25.8M (+51.0%) vs. Q2 2024
New holders
9
23 more added
Sold out
7
13 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 60 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 2024: $76.3M
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 2024

Shares, value and share of portfolio for each institution holding Middlefield Banc Corp; share changes are against Q2 2024.

Institutions holding MBCN in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Castle Creek Capital Partners VI, LP560,500$16.1M11.55%00.0%Unchanged
BlackRock, Inc.478,015$13.8M0.00%+478,015New
Vanguard Group Inc394,532$11.4M0.00%+6,375+1.6%Added
Alliancebernstein L.P.184,148$5.30M0.00%+12,894+7.5%Added
Geode Capital Management, LLC165,355$4.76M0.00%+1,368+0.8%Added
State Street Corp102,516$2.95M0.00%+963+0.9%Added
Dimensional Fund Advisors LP79,661$2.29M0.00%−339−0.4%Reduced
Northern Trust Corp60,057$1.73M0.00%−3,499−5.5%Reduced
Bridgeway Capital Management, LLC50,536$1.46M0.03%+804+1.6%Added
Clearstead Advisors, LLC48,982$1.41M0.02%00.0%Unchanged
Renaissance Technologies LLC39,812$1.15M0.00%−100−0.3%Reduced
Fundamentun, LLC39,404$1.13M0.08%00.0%Unchanged
Lineweaver Wealth Advisors, LLC38,502$1.11M0.21%00.0%Unchanged
Huntington National Bank34,782$1.00M0.01%00.0%Unchanged
Bank of New York Mellon Corp27,485$791.6K0.00%−6,091−18.1%Reduced
Redmont Wealth Advisors LLC25,118$723.4K1.12%−2,590−9.3%Reduced
Morgan Stanley23,057$664.0K0.00%+12,451+117.4%Added
Charles Schwab Investment Management Inc20,273$583.9K0.00%−1,148−5.4%Reduced
Riggs Asset Managment Co. Inc.18,390$529.6K0.14%00.0%Unchanged
Flaharty Asset Management, LLC17,506$504.2K0.07%+17,506New
Barclays PLC16,916$487.2K0.00%+6,918+69.2%Added
Citadel Advisors LLC16,781$483.3K0.00%+4,778+39.8%Added
Empowered Funds, LLC16,536$476.2K0.01%+804+5.1%Added
Goldman Sachs Group Inc15,178$437.1K0.00%+15,178New
United Capital Financial Advisers, LLC15,000$432.0K0.00%−3,264−17.9%Reduced
Nuveen Asset Management, LLC14,177$408.3K0.00%00.0%Unchanged
Wells Fargo & Company13,684$394.1K0.00%+128+0.9%Added
UBS Group AG13,553$390.3K0.00%+732+5.7%Added
JPMorgan Chase & Co12,180$350.8K0.00%+6,832+127.7%Added
Cetera Investment Advisers11,882$342.2K0.00%00.0%Unchanged
Rhumbline Advisers11,126$320.4K0.00%−447−3.9%Reduced
Cerity Partners LLC8,970$258.3K0.00%+5+0.1%Added
Bank of America Corp7,864$226.5K0.00%+159+2.1%Added
YHB Investment Advisors, Inc.7,816$225.1K0.02%+7,816New
Cambridge Investment Research Advisors, Inc.7,623$220.0K0.00%+7,623New
Ancora Advisors, LLC7,201$207.4K0.00%−1,450−16.8%Reduced
Deutsche Bank AG6,352$182.9K0.00%+3,099+95.3%Added
Citigroup Inc5,327$153.4K0.00%+3,661+219.7%Added
Royal Bank of Canada4,897$141.0K0.00%+4,214+617.0%Added
MetLife Investment Management4,669$134.5K0.00%00.0%Unchanged
National Bank of Canada4,166$120.0K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.4,033$116.2K0.00%+779+23.9%Added
Corebridge Financial, Inc.3,886$111.9K0.00%−24−0.6%Reduced
New York State Common Retirement Fund3,766$108.5K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA1,467$42.3K0.00%−13−0.9%Reduced
Elizabeth Park Capital Advisors, Ltd.1,441$41.5K0.03%+1,441New
FMR LLC1,117$32.2K0.00%+570+104.2%Added
Ameritas Investment Partners, Inc.649$18.7K0.00%00.0%Unchanged
Legal & General Group Plc600$17.3K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)593$17.1K0.00%−1,946−76.6%Reduced
California State Teachers Retirement System527$15.2K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC412$11.9K0.00%+12+3.0%Added
Amalgamated Bank265$8.00K0.00%00.0%Unchanged
Frazier Financial Advisors, LLC224$6.45K0.01%+2+0.9%Added
GAMMA Investing LLC106$3.05K0.00%+83+360.9%Added
CWM, LLC63$2.00K0.00%+49+350.0%Added
Capital Performance Advisors LLP36$1.04K0.00%+36New
Sterling Capital Management LLC23$6620.00%+23New
Farther Finance Advisors, LLC1$290.00%+1New
Covestor Ltd6$00.00%−4−40.0%Reduced
Invesco Ltd.0$00.00%−15,425−100.0%Sold out
Beacon Financial Advisory LLC0$00.00%−10,602−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−300−100.0%Sold out
Tyler-Stone Wealth Management0$00.00%−200−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−93−100.0%Sold out
Macquarie Group Ltd0$00.00%−22−100.0%Sold out
Innealta Capital, LLC0$00.00%−2−100.0%Sold out
BlackRock Inc.––––Not filed