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OSBC

OSBC

Old Second Bancorp, Inc.

Institutional holders
186
As of Q2 2026
Total 13F value
$972.2M
Sum of disclosed positions
New positions
22
This quarter
Sold positions
21
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
BlackRock, Inc.

Blackrock, Inc.

$100.2M4.30M0.00%+4.2%
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$58.3M2.50M0.01%+4.6%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

California State Teachers Retirement System

$52.4M1.25M0.01%+2453.6%
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$50.8M2.18M0.00%-3.2%
STATE STREET CORP

State Street Corporation

$42.9M1.84M0.00%+15.0%
Davis Asset Management, L.P.

Davis Asset Management, L.P.

$42M1.80M1.06%Unchanged
AMERICAN CENTURY COMPANIES INC

American Century Companies Inc

$41.6M1.78M0.02%+12.1%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$37.9M1.62M0.00%-3.9%
FJ Capital Management LLC

Fj Capital Management Llc

$34.1M1.46M4.42%-3.0%
Boston Partners

Boston Partners

$32.9M1.42M0.03%-2.0%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$31.5M1.35M0.00%+5.3%
KENNEDY CAPITAL MANAGEMENT LLC

Kennedy Capital Management Llc

$28.8M1.24M0.51%-2.5%
BANC FUNDS CO LLC

Banc Funds Co Llc

$24.1M1.03M3.98%+0.5%
MANUFACTURERS LIFE INSURANCE COMPANY, THE

Manufacturers Life Insurance Company, The

$20.4M872.7K0.02%-0.7%
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$19.1M819.4K0.00%+15.0%
Stieven Capital Advisors, L.P.

Stieven Capital Advisors, L.P.

$19M815.3K3.63%+5.4%
River Street Advisors LLC

River Street Advisors Llc

$18.2M779.0K5.35%+4.3%
CITADEL ADVISORS LLC

Citadel Advisors

$14.2M608.0K0.00%+406.1%
NORTHERN TRUST CORP

Northern Trust Corp

$13M555.4K0.00%-27.3%
ALLIANCEBERNSTEIN L.P.

Alliancebernstein L.P.

$12.9M641.8K0.00%-7.1%
JPMORGAN CHASE & CO

Jpmorgan Chase

$12.9M555.6K0.00%New Position
WELLINGTON MANAGEMENT GROUP LLP

Wellington Management Group Llp

$12.7M544.3K0.00%-36.5%
Nuveen, LLC

Nuveen, Llc

$11.5M492.2K0.00%+17.3%
BRIDGEWAY CAPITAL MANAGEMENT, LLC

Bridgeway Capital Management, Llc

$10.6M453.3K0.19%+3.4%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$10.1M431.3K0.00%+0.1%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$10.1M431.3K0.00%New Position
AQR CAPITAL MANAGEMENT LLC

Aqr Capital Management Llc

$9M386.2K0.00%-1.5%
BANK OF AMERICA CORP /DE/

Bank Of America

$8.7M372.6K0.00%+12.5%
Gator Capital Management, LLC

Gator Capital Management, Llc

$8.4M359.7K1.76%+2.4%
Bank of New York Mellon Corp

Bank Of New York Mellon Corp

$8M342.0K0.00%+1.4%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$8M341.2K0.00%+1.7%
CONGRESS ASSET MANAGEMENT CO

Congress Asset Management Co /Ma

$7.9M338.6K0.05%New Position
MORGAN STANLEY

Morgan Stanley

$7.4M318.3K0.00%+14.3%
FRANKLIN RESOURCES INC

Franklin Resources Inc

$6M259.3K0.00%+194.1%
Empowered Funds, LLC

Empowered Funds, Llc

$5.8M248.6K0.03%+6.5%
THRIVENT FINANCIAL FOR LUTHERANS

Thrivent Financial For Lutherans

$5.7M242.3K0.01%+69.3%
Mariner, LLC

Mariner, Llc

$5.3M225.3K0.01%+1147.0%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Arrowstreet Capital, Limited Partnership

$4.9M210.7K0.00%+49.4%
Forum Financial Management, LP

Forum Financial Management, Lp

$4.8M205.7K0.06%+0.0%
GREAT LAKES ADVISORS, LLC

Great Lakes Advisors, Llc

$4.8M203.9K0.02%+3.0%
TWO SIGMA INVESTMENTS, LP

Two Sigma Investments

$4.7M200.8K0.00%+198.1%
Squarepoint Ops LLC

Squarepoint Ops Llc

$3.9M167.9K0.00%-1.6%
BLAIR WILLIAM & CO/IL

Blair William & Co/Il

$3.8M163.2K0.01%+0.2%
Siena Capital Partners GP, LLC

Siena Capital Partners Gp, Llc

$3.8M163.0K0.92%Unchanged
EJF Capital LP

Ejf Capital Llc

$3.5M151.4K2.36%+0.1%
UBS Group AG

Ubs Group Ag

$3.4M147.2K0.00%-43.2%
VICTORY CAPITAL MANAGEMENT INC

Victory Capital Management Inc

$3.3M141.9K0.00%+2.1%
Russell Investments Group, Ltd.

Russell Investments Group, Ltd.

$3.1M135.0K0.00%+20.6%
Elizabeth Park Capital Advisors, Ltd.

Elizabeth Park Capital Advisors, Ltd.

$3M129.5K2.09%-22.2%
SEI INVESTMENTS CO

Sei Investments Co

$2.7M117.7K0.00%-42.1%

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