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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, Q4 2021

Institutional positions in Middlefield Banc Corp as of Dec 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
39
+3 vs. Q3 2021
Shares held
1.71M
−88.0K (−4.9%) vs. Q3 2021
Total value
$42.4M
−$531.1K (−1.2%) vs. Q3 2021
New holders
8
10 more added
Sold out
5
11 more reduced

Compare with Q3 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 holdersQ4 2021: 39 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 heldQ4 2021: $42.4M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Middlefield Banc Corp; share changes are against Q3 2021.

Institutions holding MBCN in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Ancora Advisors, LLC458,429$11.4M0.27%+41,055+9.8%Added
Vanguard Group Inc216,527$5.37M0.00%−33,592−13.4%Reduced
Carnegie Capital Asset Management, LLC143,133$3.55M0.12%−13,101−8.4%Reduced
Dimensional Fund Advisors LP95,947$2.38M0.00%+2,894+3.1%Added
Renaissance Technologies LLC94,212$2.34M0.00%+13,487+16.7%Added
Alliancebernstein L.P.91,443$2.27M0.00%−5,109−5.3%Reduced
Millennium Management LLC56,862$1.41M0.00%+2,972+5.5%Added
Clearstead Advisors, LLC56,232$1.40M0.10%−20,500−26.7%Reduced
Geode Capital Management, LLC55,034$1.36M0.00%00.0%Unchanged
Strategic Value Bank Partners LLC52,735$1.31M1.18%+52,735New
Bridgeway Capital Management, LLC47,300$1.17M0.02%00.0%Unchanged
Lineweaver Wealth Advisors, LLC39,402$977.0K0.28%00.0%Unchanged
Fourthstone LLC32,425$804.0K0.30%+12,318+61.3%Added
United Capital Financial Advisers, LLC30,000$744.0K0.00%00.0%Unchanged
John G Ullman & Associates Inc28,220$700.0K0.10%00.0%Unchanged
Kennedy Capital Management, Inc.26,842$666.0K0.01%−40−0.1%Reduced
BlackRock Inc.23,650$587.0K0.00%+7,782+49.0%Added
Huntington National Bank20,575$510.0K0.00%−176−0.8%Reduced
Susquehanna Fundamental Investments, LLC20,193$501.0K0.01%−150−0.7%Reduced
Riggs Asset Managment Co. Inc.18,830$467.0K0.13%00.0%Unchanged
State Street Corp16,377$406.0K0.00%+1,800+12.3%Added
Redmont Wealth Advisors LLC15,525$385.0K0.43%+15,525New
Bank of New York Mellon Corp13,504$335.0K0.00%+41+0.3%Added
Northern Trust Corp11,858$294.0K0.00%00.0%Unchanged
Cerity Partners LLC8,965$223.0K0.00%+8,965New
YHB Investment Advisors, Inc.8,952$222.0K0.02%00.0%Unchanged
Wells Fargo & Company7,978$198.0K0.00%−267−3.2%Reduced
Acadian Asset Management LLC5,386$133.0K0.00%+5,386New
UBS Group AG2,543$63.0K0.00%−434−14.6%Reduced
Barclays PLC2,309$57.0K0.00%+1,610+230.3%Added
Marshall Wace, LLP1,749$44.0K0.00%+1,749New
Advisor Group Holdings, Inc.1,400$35.0K0.00%00.0%Unchanged
Morgan Stanley1,235$31.0K0.00%+4+0.3%Added
Optiver Holding B.V.749$18.0K0.00%00.0%Unchanged
Bank of America Corp607$15.0K0.00%−8−1.3%Reduced
Tyler-Stone Wealth Management200$5.00K0.00%+200New
Tower Research Capital LLC (TRC)150$3.00K0.00%+150New
BNP Paribas Arbitrage, SA27$6700.00%−6−18.2%Reduced
JPMorgan Chase & Co18$00.00%+18New
Siena Capital Partners GP, LLC0$00.00%−80,110−100.0%Sold out
EJF Capital LLC0$00.00%−76,657−100.0%Sold out
Ergoteles LLC0$00.00%−26,313−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−189−100.0%Sold out
Royal Bank of Canada0$00.00%−9−100.0%Sold out