OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

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

InstitutionSharesValue ($000)
BlackRock, Inc.4,155,906$81,040
VANGUARD GROUP INC3,278,388$63,929
DIMENSIONAL FUND ADVISORS LP2,260,874$44,087
FJ Capital Management LLC1,829,665$35,678
Davis Asset Management, L.P.1,745,523$34,038
STATE STREET CORP1,539,419$30,019
AMERICAN CENTURY COMPANIES INC1,470,185$28,669
GEODE CAPITAL MANAGEMENT, LLC1,365,448$26,632
KENNEDY CAPITAL MANAGEMENT LLC1,267,042$24,707
GOLDMAN SACHS GROUP INC1,263,223$24,633
WELLINGTON MANAGEMENT GROUP LLP969,708$18,909
BANC FUNDS CO LLC905,190$17,651
MANUFACTURERS LIFE INSURANCE COMPANY, THE891,878$17,392
NORTHERN TRUST CORP881,576$17,191
JPMORGAN CHASE & CO858,806$16,747
Boston Partners817,311$15,994
Stieven Capital Advisors, L.P.776,128$15,134
ALLIANCEBERNSTEIN L.P.686,032$13,378
AQR CAPITAL MANAGEMENT LLC447,118$8,719
CHARLES SCHWAB INVESTMENT MANAGEMENT INC437,510$8,531
BRIDGEWAY CAPITAL MANAGEMENT, LLC427,617$8,339
Nuveen, LLC415,470$8,102
River Street Advisors LLC366,071$7,138
Bank of New York Mellon Corp344,292$6,714
BANK OF AMERICA CORP /DE/342,579$6,680
Gator Capital Management, LLC337,995$6,591
MILLENNIUM MANAGEMENT LLC313,560$6,114
MORGAN STANLEY288,122$5,618
JACOBS ASSET MANAGEMENT, LLC281,477$5,489
ADAGE CAPITAL PARTNERS GP, L.L.C.243,192$4,742
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP216,511$4,222
Forum Financial Management, LP208,884$4,073
UBS Group AG177,102$3,453
GREAT LAKES ADVISORS, LLC167,385$3,264
Siena Capital Partners GP, LLC163,038$3,179
Elizabeth Park Capital Advisors, Ltd.158,657$3,094
VICTORY CAPITAL MANAGEMENT INC154,715$3,017
BLAIR WILLIAM & CO/IL154,219$3,007
EJF Capital LP149,076$2,907
BARCLAYS PLC143,188$2,792
Thrivent Financial for Lutherans143,119$3
BANK OF MONTREAL /CAN/139,252$2,715
Knights of Columbus Asset Advisors LLC132,945$2,592
State of New Jersey Common Pension Fund D129,379$2,523
SEI INVESTMENTS CO117,031$2,282
Russell Investments Group, Ltd.112,121$2,186
MARTINGALE ASSET MANAGEMENT L P110,468$2,154
Curi Capital, LLC100,505$1,960
MENDON CAPITAL ADVISORS CORP100,000$1,950
Sara-Bay Financial99,063$1,935
Swiss National Bank98,700$1,925
Fisher Asset Management, LLC97,285$1,897
Brandywine Global Investment Management, LLC90,620$1,767
RENAISSANCE TECHNOLOGIES LLC86,325$1,683
MSH Capital Advisors LLC84,826$1,654
Invesco Ltd.80,545$1,571
HSBC HOLDINGS PLC80,105$1,561
JCSD Capital, LLC74,100$1,445
CITADEL ADVISORS LLC67,313$1,313
RHUMBLINE ADVISERS66,974$1,306
UBS ASSET MANAGEMENT AMERICAS INC64,739$1,262
Qube Research & Technologies Ltd64,157$1,251
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM58,816$1,147
HGK ASSET MANAGEMENT INC58,241$1,136
IEQ CAPITAL, LLC57,265$1,117
WELLS FARGO & COMPANY/MN56,544$1,103
RAYMOND JAMES FINANCIAL INC55,133$1,075
AMERIPRISE FINANCIAL INC50,629$987
Legal & General Group Plc50,624$987
PRINCIPAL FINANCIAL GROUP INC49,782$971
Black Maple Capital Management LP49,000$956
Squarepoint Ops LLC48,472$945
Creative Planning47,209$921
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM47,172$920
Hunter Perkins Capital Management, LLC45,820$1
CITIGROUP INC45,424$886
HighTower Advisors, LLC44,002$858
Rafferty Asset Management, LLC43,049$839
DEUTSCHE BANK AG\41,187$803
Corient Private Wealth LLC40,933$798
ROYAL BANK OF CANADA34,831$679
PRICE T ROWE ASSOCIATES INC /MD/34,262$1
GAMCO INVESTORS, INC. ET AL32,721$638
TWO SIGMA INVESTMENTS, LP32,599$636
Quantinno Capital Management LP31,418$613
TEACHER RETIREMENT SYSTEM OF TEXAS30,267$590
CenterBook Partners LP29,888$583
LOS ANGELES CAPITAL MANAGEMENT LLC28,606$519
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC28,364$564
MetLife Investment Management, LLC28,348$553
ROTHSCHILD INVESTMENT LLC28,292$552
OSAIC HOLDINGS, INC.27,984$546
ALPS ADVISORS INC25,189$491
Sterling Capital Management LLC24,727$482
Verition Fund Management LLC24,375$475
CWM, LLC24,085$0
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.23,405$456
SG Americas Securities, LLC22,521$0
Lakewood Asset Management LLC21,360$417
Mariner, LLC21,001$410
84 other institutions638,461$11,289
Total (184 institutions)37,121,658$717,492