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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 2025

Institutional positions in Middlefield Banc Corp as of Sep 30, 2025. 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
73
+4 vs. Q2 2025
Shares held
2.77M
−3.12K (−0.1%) vs. Q2 2025
Total value
$83.2M
−$372.0K (−0.4%) vs. Q2 2025
New holders
7
24 more added
Sold out
3
23 more reduced

Compare with Q2 2025: 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 2025: 73 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 2025: $83.2M
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 2025

Shares, value and share of portfolio for each institution holding Middlefield Banc Corp; share changes are against Q2 2025.

Institutions holding MBCN in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Castle Creek Capital Partners VI, LP560,500$16.8M30.11%00.0%Unchanged
BlackRock, Inc.473,561$14.2M0.00%−6,164−1.3%Reduced
Vanguard Group Inc413,738$12.4M0.00%−2,313−0.6%Reduced
Alliancebernstein L.P.197,516$5.93M0.00%+17,804+9.9%Added
Geode Capital Management, LLC170,738$5.12M0.00%−396−0.2%Reduced
State Street Corp104,025$3.12M0.00%−217−0.2%Reduced
Elizabeth Park Capital Advisors, Ltd.96,497$2.90M2.34%+10,190+11.8%Added
Dimensional Fund Advisors LP83,877$2.52M0.00%−1,200−1.4%Reduced
Northern Trust Corp55,432$1.66M0.00%+735+1.3%Added
Bridgeway Capital Management, LLC50,422$1.51M0.03%+1,819+3.7%Added
Fundamentun, LLC39,404$1.18M0.05%00.0%Unchanged
Clearstead Advisors, LLC39,368$1.18M0.02%−3,181−7.5%Reduced
Huntington National Bank38,290$1.15M0.01%00.0%Unchanged
Renaissance Technologies LLC36,112$1.08M0.00%−900−2.4%Reduced
Citadel Advisors LLC28,515$855.7K0.00%+7,649+36.7%Added
Bank of New York Mellon Corp27,434$823.3K0.00%−68−0.2%Reduced
Redmont Wealth Advisors LLC26,466$794.2K1.11%−50.0%Reduced
Barclays PLC24,674$740.5K0.00%−1,844−7.0%Reduced
Charles Schwab Investment Management Inc21,424$642.9K0.00%00.0%Unchanged
Empowered Funds, LLC20,422$612.9K0.01%+1,819+9.8%Added
Riggs Asset Managment Co. Inc.18,390$551.9K0.12%00.0%Unchanged
Morgan Stanley17,009$510.4K0.00%−5,556−24.6%Reduced
Wells Fargo & Company16,465$494.1K0.00%+836+5.3%Added
Goldman Sachs Group Inc16,372$491.3K0.00%+7,136+77.3%Added
Cetera Investment Advisers13,882$416.6K0.00%+2,000+16.8%Added
Prospera Financial Services Inc13,328$400.0K0.01%+13,328New
Jane Street Group, LLC13,171$395.3K0.00%+5,098+63.1%Added
Bank of America Corp12,864$386.0K0.00%−331−2.5%Reduced
UBS Group AG12,479$374.5K0.00%−2,530−16.9%Reduced
Nuveen, LLC12,437$373.2K0.00%00.0%Unchanged
United Capital Financial Advisers, LLC11,700$351.1K0.00%−1,000−7.9%Reduced
Rhumbline Advisers10,523$315.8K0.00%−95−0.9%Reduced
HSBC Holdings PLC9,435$283.1K0.00%−709−7.0%Reduced
Cerity Partners LLC9,129$274.0K0.00%+155+1.7%Added
Keeler & Nadler Financial Planning & Wealth Management9,064$272.0K0.10%−316−3.4%Reduced
Quantinno Capital Management LP8,829$265.0K0.00%+8,829New
Cambridge Investment Research Advisors, Inc.7,680$230.0K0.00%+15+0.2%Added
JPMorgan Chase & Co7,504$225.2K0.00%+1,313+21.2%Added
YHB Investment Advisors, Inc.6,666$200.0K0.01%00.0%Unchanged
Ancora Advisors, LLC6,157$184.8K0.00%00.0%Unchanged
MetLife Investment Management4,669$140.1K0.00%00.0%Unchanged
National Bank of Canada4,166$124.7K0.00%00.0%Unchanged
New York State Common Retirement Fund3,766$113.0K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.3,363$100.9K0.00%−636−15.9%Reduced
Police & Firemen's Retirement System of New Jersey2,047$61.4K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.2,000$60.0K0.00%+2,000New
BNP Paribas Arbitrage, SA1,512$45.4K0.00%+764+102.1%Added
MAI Capital Management1,439$43.2K0.00%+9+0.6%Added
Legal & General Group Plc669$20.1K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.649$19.5K0.00%00.0%Unchanged
Russell Investments Group, Ltd.605$18.2K0.00%+605New
FMR LLC604$18.1K0.00%+37+6.5%Added
California State Teachers Retirement System527$15.8K0.00%00.0%Unchanged
Sterling Capital Management LLC504$15.1K0.00%+299+145.9%Added
GAMMA Investing LLC479$14.4K0.00%−106−18.1%Reduced
EverSource Wealth Advisors, LLC409$12.3K0.00%−194−32.2%Reduced
Nisa Investment Advisors, LLC408$12.2K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)382$11.5K0.00%−2,387−86.2%Reduced
Versant Capital Management, Inc367$11.0K0.00%+8+2.2%Added
Jones Financial Companies LLLP303$9.40K0.00%+303New
Amalgamated Bank265$8.00K0.00%00.0%Unchanged
Frazier Financial Advisors, LLC230$6.91K0.00%+1+0.4%Added
Royal Bank of Canada196$6.00K0.00%−4,533−95.9%Reduced
CWM, LLC173$5.00K0.00%+58+50.4%Added
Citigroup Inc134$4.02K0.00%−2,366−94.6%Reduced
Optiver Holding B.V.112$3.36K0.00%+112New
SRS Capital Advisors, Inc.83$2.49K0.00%+61+277.3%Added
Essential Partners LLC24$7200.00%+22+1,100.0%Added
The PNC Financial Services Group, Inc.11$3300.00%00.0%Unchanged
True Wealth Design, LLC4$1210.00%+3+300.0%Added
IFP Advisors, Inc2$600.00%+2Added
Farther Finance Advisors, LLC1$300.00%00.0%Unchanged
Sunbelt Securities, Inc.1$300.00%+1New
Fisher Asset Management, LLC0$00.00%−35,072−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−10,529−100.0%Sold out
Deutsche Bank AG0$00.00%−3,480−100.0%Sold out