85 institutions reported holding $67 of MIDDLEFIELD BANC CORP (MBCN) in SEC 13F filings for 2026-03-31. Largest institutional holders: IFP Advisors, Inc ($67), RENAISSANCE TECHNOLOGIES LLC ($0), RHUMBLINE ADVISERS ($0), Ancora Advisors LLC ($0), Sterling Capital Management LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IFP Advisors, Inc | $67 | 2 | Hold |
| 2 | RENAISSANCE TECHNOLOGIES LLC | $0 | 0 | Exited |
| 3 | RHUMBLINE ADVISERS | $0 | 0 | Exited |
| 4 | Ancora Advisors LLC | $0 | 0 | Exited |
| 5 | Sterling Capital Management LLC | $0 | 0 | Exited |
| 6 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $0 | 0 | Exited |
| 7 | CWM, LLC | $0 | 0 | Exited |
| 8 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 9 | MAI Capital Management | $0 | 0 | Exited |
| 10 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 11 | MetLife Investment Management, LLC | $0 | 0 | Exited |
| 12 | Prospera Financial Services Inc | $0 | 0 | Exited |
| 13 | CSS LLC/IL | $0 | 0 | Exited |
| 14 | Cambridge Investment Research Advisors, Inc. | $0 | 0 | Exited |
| 15 | MCDONALD PARTNERS LLC | $0 | 0 | Exited |
| 16 | FMR LLC | $0 | 0 | Exited |
| 17 | KEELER & NADLER FINANCIAL PLANNING & WEALTH MANAGEMENT | $0 | 0 | Exited |
| 18 | BARCLAYS PLC | $0 | 0 | Exited |
| 19 | PNC Financial Services Group, Inc. | $0 | 0 | Exited |
| 20 | EverSource Wealth Advisors, LLC | $0 | 0 | Exited |
| 21 | Optiver Holding B.V. | $0 | 0 | Exited |
| 22 | GLAZER CAPITAL, LLC | $0 | 0 | Exited |
| 23 | Royal Bank of Canada | $0 | 0 | Exited |
| 24 | MORGAN STANLEY | $0 | 0 | Exited |
| 25 | Cerity Partners LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31