MIDDLEFIELD BANC CORP

Ticker: MBCN CUSIP: 596304204 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.464,415$16,041
VANGUARD GROUP INC411,069$14,198
GEODE CAPITAL MANAGEMENT, LLC172,196$5,949
STATE STREET CORP112,447$3,884
ALLIANCEBERNSTEIN L.P.105,015$3,627
GARDNER LEWIS ASSET MANAGEMENT L P93,365$3,225
DIMENSIONAL FUND ADVISORS LP84,399$2,915
GLAZER CAPITAL, LLC52,666$2
BRIDGEWAY CAPITAL MANAGEMENT, LLC50,775$1,754
NORTHERN TRUST CORP50,143$1,732
Fundamentum, LLC39,404$1,361
Frazier Financial Advisors, LLC38,664$1,335
Clearstead Advisors, LLC34,684$1,198
HUNTINGTON NATIONAL BANK33,309$1,150
RENAISSANCE TECHNOLOGIES LLC33,212$1,147
JPMORGAN CHASE & CO33,007$1,140
PRELUDE CAPITAL MANAGEMENT, LLC29,797$1,029
Bank of New York Mellon Corp26,936$930
BARCLAYS PLC26,761$924
REDMONT WEALTH ADVISORS LLC26,376$911
CITADEL ADVISORS LLC25,714$888
CSS LLC/IL23,507$812
DEMMING FINANCIAL SERVICES CORP /ADV22,953$793
CHARLES SCHWAB INVESTMENT MANAGEMENT INC21,424$740
MORGAN STANLEY20,541$709
WELLS FARGO & COMPANY/MN19,053$658
Riggs Asset Managment Co. Inc.18,390$635
BANK OF AMERICA CORP /DE/15,840$547
JANE STREET GROUP, LLC15,267$527
Quantinno Capital Management LP15,101$522
MILLENNIUM MANAGEMENT LLC15,026$519
Cetera Investment Advisers14,335$495
Prospera Financial Services Inc13,828$478
GOLDMAN SACHS GROUP INC13,716$474
Nuveen, LLC12,437$430
UNITED CAPITAL FINANCIAL ADVISORS, LLC11,700$404
Squarepoint Ops LLC11,281$390
UBS Group AG10,953$378
HSBC HOLDINGS PLC10,607$364
RHUMBLINE ADVISERS9,388$324
Cerity Partners LLC9,180$317
KEELER & NADLER FINANCIAL PLANNING & WEALTH MANAGEMENT9,064$313
MCDONALD PARTNERS LLC8,100$280
Cambridge Investment Research Advisors, Inc.7,691$0
DEUTSCHE BANK AG\7,578$262
YHB Investment Advisors, Inc.6,666$230
Ancora Advisors LLC6,157$213
Invesco Ltd.5,972$206
MetLife Investment Management, LLC4,669$161
NATIONAL BANK OF CANADA /FI/4,166$142
NEW YORK STATE COMMON RETIREMENT FUND3,766$130
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.3,423$118
BNP PARIBAS ARBITRAGE, SA2,255$78
LONGFELLOW INVESTMENT MANAGEMENT CO LLC2,200$76
Police & Firemen's Retirement System of New Jersey2,047$71
Rockefeller Capital Management L.P.2,000$69
MAI Capital Management1,450$50
FMR LLC838$29
GAMMA Investing LLC694$24
Legal & General Group Plc669$23
Russell Investments Group, Ltd.656$23
Ameritas Investment Partners, Inc.649$22
PenderFund Capital Management Ltd.604$21
Versant Capital Management, Inc548$19
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM449$16
Sterling Capital Management LLC421$15
Tower Research Capital LLC (TRC)364$13
JONES FINANCIAL COMPANIES LLLP303$10
AMALGAMATED BANK230$0
ROYAL BANK OF CANADA209$6
EverSource Wealth Advisors, LLC194$7
CWM, LLC190$0
CITIGROUP INC165$6
NISA INVESTMENT ADVISORS, LLC131$5
Optiver Holding B.V.112$4
SRS Capital Advisors, Inc.99$3
SIGNATUREFD, LLC89$3
UBS ASSET MANAGEMENT AMERICAS INC64$2
PNC Financial Services Group, Inc.11$0
True Wealth Design, LLC4$0
Farther Finance Advisors, LLC4$0
IFP Advisors, Inc2$0
ROTHSCHILD INVESTMENT LLC1$0
Covestor Ltd1$0
Sunbelt Securities, Inc.1$0
Total (85 institutions)2,333,787$78,507