MIDDLEFIELD BANC CORP MBCN
COM NEW · Common Stock · CUSIP 596304204
87
institutional holders
+13 vs Q3 2025
2.4m
shares reported held*
$81.4mreported value*
14 new
31 added
19 reduced
2 sold out
net bought ≈ $3.6m (+102.9k shares)
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($2.2k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $34.54.
Trends to Q4 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 36 |
| Q4 2022 | 41 |
| Q1 2023 | 42 |
| Q2 2023 | 52 |
| Q3 2023 | 50 |
| Q4 2023 | 58 |
| Q1 2024 | 54 |
| Q2 2024 | 60 |
| Q3 2024 | 61 |
| Q4 2024 | 64 |
| Q1 2025 | 70 |
| Q2 2025 | 70 |
| Q3 2025 | 74 |
| Q4 2025 | 87 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Bought or addedCut or sold out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2024 | 19 | 27 |
| Q2 2024 | 21 | 24 |
| Q3 2024 | 30 | 20 |
| Q4 2024 | 29 | 18 |
| Q1 2025 | 23 | 27 |
| Q2 2025 | 36 | 22 |
| Q3 2025 | 32 | 26 |
| Q4 2025 | 45 | 21 |
Biggest buyers
| GARDNER LEWIS ASSET MANAGEMENT L P | New | +93.4k |
| GLAZER CAPITAL, LLC | New | +52.7k |
| Frazier Financial Advisors, LLC | Added | +38.4k |
| PRELUDE CAPITAL MANAGEMENT, LLC | New | +29.8k |
| CSS LLC/IL | New | +23.5k |
| JPMORGAN CHASE & CO | Added | +18.0k |
| MILLENNIUM MANAGEMENT LLC | New | +15.0k |
| HSBC HOLDINGS PLC | Added | +11.8k |
| Squarepoint Ops LLC | New | +11.3k |
| STATE STREET CORP | Added | +8.4k |
Biggest sellers
| Elizabeth Park Capital Advisors, Ltd. | Sold out | -96.5k |
| ALLIANCEBERNSTEIN L.P. | Reduced | -92.5k |
| Empowered Funds, LLC | Sold out | -20.4k |
| BlackRock, Inc. | Reduced | -9.1k |
| NORTHERN TRUST CORP | Reduced | -5.3k |
| HUNTINGTON NATIONAL BANK | Reduced | -5.0k |
| Clearstead Advisors, LLC | Reduced | -4.7k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -2.9k |
| CITADEL ADVISORS LLC | Reduced | -2.8k |
| VANGUARD GROUP INC | Reduced | -2.7k |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD GROUP INC 13G · institution new · filed 2025-07-29 | 5.1% |
Fell to 5% or below in the last year: Castle Creek Capital Partners VI, LP (3.9%, 2026-02-04)
Holders, Q4 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 464.4k $16.0m | Reduced -9.1k |
| VANGUARD GROUP INC 0.00% of their portfolio | 411.1k $14.2m | Reduced -2.7k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 172.2k $5.9m | Added +1.5k |
| STATE STREET CORP 0.00% of their portfolio | 112.4k $3.9m | Added +8.4k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 105.0k $3.6m | Reduced -92.5k |
| GARDNER LEWIS ASSET MANAGEMENT L P 0.82% of their portfolio | 93.4k $3.2m | New |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 84.4k $2.9m | Added +522 |
| GLAZER CAPITAL, LLC 0.05% of their portfolio | 52.7k $1.8m | New |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.04% of their portfolio | 50.8k $1.8m | Added +353 |
| NORTHERN TRUST CORP 0.00% of their portfolio | 50.1k $1.7m | Reduced -5.3k |
| Stratos Investment Management, LLC 0.05% of their portfolio | 39.4k $1.4m | Unchanged |
| Frazier Financial Advisors, LLC 0.79% of their portfolio | 38.7k $1.3m | Added +38.4k |
| Clearstead Advisors, LLC 0.02% of their portfolio | 34.7k $1.2m | Reduced -4.7k |
| HUNTINGTON NATIONAL BANK 0.01% of their portfolio | 33.3k $1.2m | Reduced -5.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 33.2k $1.1m | Reduced -2.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 33.0k $1.1m | Added +18.0k |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.08% of their portfolio | 29.8k $1.0m | New |
| Bank of New York Mellon Corp 0.00% of their portfolio | 26.9k $930.4k | Reduced -498 |
| BARCLAYS PLC 0.00% of their portfolio | 26.8k $924.3k | Added +2.1k |
| REDMONT WEALTH ADVISORS LLC 1.38% of their portfolio | 26.4k $911.0k | Reduced -90 |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 25.7k $888.2k | Reduced -2.8k |
| CSS LLC/IL 0.05% of their portfolio | 23.5k $811.9k | New |
| DEMMING FINANCIAL SERVICES CORP /ADV 0.60% of their portfolio | 23.0k $792.8k | First filing |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 21.4k $740.0k | Unchanged |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 21.2k $727.4k | Added +11.8k |
| MORGAN STANLEY 0.00% of their portfolio | 20.5k $709.5k | Added +3.5k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 19.1k $658.1k | Added +2.6k |
| Riggs Asset Managment Co. Inc. 0.13% of their portfolio | 18.4k $635.2k | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 15.8k $547.1k | Added +3.0k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 15.3k $527.3k | Added +2.1k |
| Quantinno Capital Management LP 0.00% of their portfolio | 15.1k $521.6k | Added +6.3k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 15.0k $519.0k | New |
| Cetera Investment Advisers 0.00% of their portfolio | 14.3k $495.1k | Added +453 |
| Prospera Financial Services Inc 0.01% of their portfolio | 13.8k $477.6k | Added +500 |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 13.7k $473.8k | Reduced -2.7k |
| OXFORD ASSET MANAGEMENT LLP 0.16% of their portfolio | 12.7k $439.2k | Not comparable |
| Nuveen, LLC 0.00% of their portfolio | 12.4k $429.6k | Unchanged |
| UNITED CAPITAL FINANCIAL ADVISORS, LLC 0.00% of their portfolio | 11.7k $404.1k | Unchanged |
| Squarepoint Ops LLC 0.00% of their portfolio | 11.3k $389.6k | New |
| UBS Group AG 0.00% of their portfolio | 11.0k $378.3k | Reduced -1.5k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 9.4k $324.3k | Reduced -1.1k |
| Cerity Partners LLC 0.00% of their portfolio | 9.2k $317.1k | Added +51 |
| KEELER & NADLER FINANCIAL PLANNING & WEALTH MANAGEMENT 0.11% of their portfolio | 9.1k $313.1k | Unchanged |
| MCDONALD PARTNERS LLC 0.09% of their portfolio | 8.1k $279.8k | New |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 7.7k $266.0k | Added +11 |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 7.6k $261.7k | New |
| YHB Investment Advisors, Inc. 0.02% of their portfolio | 6.7k $230.2k | Unchanged |
| Ancora Advisors LLC 0.00% of their portfolio | 6.2k $212.7k | Unchanged |
| Invesco Ltd. 0.00% of their portfolio | 6.0k $206.3k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 4.7k $161.3k | Unchanged |
| NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio | 4.2k $142.5k | Unchanged |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 3.8k $130.1k | Unchanged |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 3.4k $118.2k | Added +60 |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 2.3k $77.9k | Added +743 |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC 0.02% of their portfolio | 2.2k $76.0k | New |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 2.0k $70.7k | Unchanged |
| Rockefeller Capital Management L.P. 0.00% of their portfolio | 2.0k $69.1k | Unchanged |
| MAI Capital Management 0.00% of their portfolio | 1.4k $50.1k | Added +11 |
| FMR LLC 0.00% of their portfolio | 838 $29.0k | Added +234 |
| GAMMA Investing LLC 0.00% of their portfolio | 694 $24.0k | Added +215 |
| Legal & General Group Plc 0.00% of their portfolio | 669 $23.1k | Unchanged |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 656 $22.7k | Added +51 |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 649 $22.4k | Unchanged |
| PenderFund Capital Management Ltd. 0.00% of their portfolio | 604 $20.9k | New |
| Versant Capital Management, Inc 0.00% of their portfolio | 548 $18.9k | Added +181 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 449 $15.5k | Reduced -78 |
| Sterling Capital Management LLC 0.00% of their portfolio | 421 $14.5k | Reduced -83 |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 364 $12.6k | Reduced -18 |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 303 $10.5k | Unchanged |
| AMALGAMATED BANK 0.00% of their portfolio | 230 $8.0k | Reduced -35 |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 209 $6.0k | Added +13 |
| EverSource Wealth Advisors, LLC 0.00% of their portfolio | 194 $6.7k | Reduced -215 |
| CWM, LLC 0.00% of their portfolio | 190 $7.0k | Added +17 |
| CITIGROUP INC 0.00% of their portfolio | 165 $5.7k | Added +31 |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 131 $4.5k | Reduced -277 |
| Optiver Holding B.V. 0.00% of their portfolio | 112 $3.9k | Unchanged |
| Arax Advisory Partners 0.00% of their portfolio | 99 $3.4k | Added +16 |
| SIGNATUREFD, LLC 0.00% of their portfolio | 89 $3.1k | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 64 $2.2k | New |
| Essential Partners LLC 0.00% of their portfolio | 26 $898 | Added +2 |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 11 $380 | Unchanged |
| True Wealth Design, LLC 0.00% of their portfolio | 4 $139 | Unchanged |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 4 $138 | Added +3 |
| IFP Advisors, Inc 0.00% of their portfolio | 2 $69 | Unchanged |
| ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio | 1 $35 | New |
| Sunbelt Securities, Inc. 0.00% of their portfolio | 1 $35 | Unchanged |
| Covestor Ltd 0.00% of their portfolio | 1 $0 | Added +1 |