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Old Second Bancorp Inc

OSBC
Exchange
Nasdaq
Industry
State Commercial Banks
SEC CIK
0000357173

In the last 90 days, Old Second Bancorp Inc insiders filed 0 open-market purchases and 7 sales; 184 institutions reported holding it in 13F filings for Q2 2026, worth $903.3M in total; no superinvestor holds it.

13F holders, Q1 2023

Institutional positions in Old Second Bancorp Inc as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
155
+14 vs. Q4 2022
Shares held
29.5M
+664.2K (+2.3%) vs. Q4 2022
Total value
$415.0M
−$47.8M (−10.3%) vs. Q4 2022
New holders
25
59 more added
Sold out
11
44 more reduced

4 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OSBC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 155 institutions
Q1 2021: 101 institutionsQ2 2021: 115 institutionsQ3 2021: 113 institutionsQ4 2021: 129 institutionsQ1 2022: 136 institutionsQ2 2022: 135 institutionsQ3 2022: 133 institutionsQ4 2022: 145 institutionsQ1 2023: 155 institutionsQ2 2023: 134 institutionsQ3 2023: 145 institutionsQ4 2023: 160 institutionsQ1 2024: 151 institutionsQ2 2024: 153 institutionsQ3 2024: 175 institutionsQ4 2024: 180 institutionsQ1 2025: 192 institutionsQ2 2025: 183 institutionsQ3 2025: 197 institutionsQ4 2025: 185 institutionsQ1 2026: 188 institutionsQ2 2026: 184 institutions
Value heldQ1 2023: $415.0M
Q1 2021: $271.1MQ2 2021: $253.5MQ3 2021: $266.1MQ4 2021: $281.7MQ1 2022: $403.8MQ2 2022: $395.2MQ3 2022: $384.5MQ4 2022: $471.2MQ1 2023: $415.0MQ2 2023: $385.5MQ3 2023: $406.8MQ4 2023: $470.4MQ1 2024: $415.0MQ2 2024: $457.4MQ3 2024: $495.0MQ4 2024: $573.9MQ1 2025: $546.2MQ2 2025: $579.1MQ3 2025: $624.4MQ4 2025: $723.9MQ1 2026: $761.2MQ2 2026: $903.3M
Institutions holding OSBC and their total value by quarter
QuarterHoldersValue
Q2 2026184$903.3M
Q1 2026188$761.2M
Q4 2025185$723.9M
Q3 2025197$624.4M
Q2 2025183$579.1M
Q1 2025192$546.2M
Q4 2024180$573.9M
Q3 2024175$495.0M
Q2 2024153$457.4M
Q1 2024151$415.0M
Q4 2023160$470.4M
Q3 2023145$406.8M
Q2 2023134$385.5M
Q1 2023155$415.0M
Q4 2022145$471.2M
Q3 2022133$384.5M
Q2 2022135$395.2M
Q1 2022136$403.8M
Q4 2021129$281.7M
Q3 2021113$266.1M
Q2 2021115$253.5M
Q1 2021101$271.1M

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Old Second Bancorp Inc; share changes are against Q4 2022.

Institutions holding OSBC in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,317,031$46.6M0.00%+47,163+1.4%Added
Forum Financial Management, LP2,951,063$41.5M1.20%−25,050−0.8%Reduced
FJ Capital Management LLC2,539,639$35.7M4.42%+218,605+9.4%Added
Vanguard Group Inc2,181,692$30.7M0.00%+38,525+1.8%Added
Banc Funds Co LLC2,051,310$28.8M3.08%00.0%Unchanged
State Street Corp1,085,769$15.3M0.00%+132,898+13.9%Added
JPMorgan Chase & Co1,047,033$14.7M0.00%−14,782−1.4%Reduced
Manufacturers Life Insurance Company, The1,005,418$14.1M0.01%−23,327−2.3%Reduced
Stieven Capital Advisors, L.P.982,539$13.8M3.62%+5,800+0.6%Added
Dimensional Fund Advisors LP850,514$12.0M0.00%−8,934−1.0%Reduced
Alliancebernstein L.P.810,342$11.4M0.00%+62,941+8.4%Added
Geode Capital Management, LLC810,324$11.4M0.00%+33,973+4.4%Added
Kennedy Capital Management, Inc.715,491$10.1M0.30%+26,066+3.8%Added
Northern Trust Corp629,562$8.85M0.00%−19,492−3.0%Reduced
EJF Capital LLC453,852$6.38M2.39%−239,364−34.5%Reduced
Renaissance Technologies LLC441,625$6.21M0.01%−47,800−9.8%Reduced
River Oaks Capital LLC389,100$5.47M7.66%00.0%Unchanged
Holocene Advisors, LP375,250$5.28M0.03%+105,150+38.9%Added
American Century Companies Inc353,899$4.98M0.00%+39,867+12.7%Added
Russell Investments Group, Ltd.331,347$4.66M0.01%−23,549−6.6%Reduced
Morgan Stanley315,762$4.44M0.00%+52,728+20.0%Added
RMB Capital Management, LLC300,000$4.22M0.15%−50,000−14.3%Reduced
Nuveen Asset Management, LLC253,026$3.56M0.00%+50,151+24.7%Added
Goldman Sachs Group Inc250,559$3.52M0.00%+128,380+105.1%Added
Elizabeth Park Capital Advisors, Ltd.218,861$3.08M1.98%00.0%Unchanged
Eagle Asset Management Inc215,631$3.03M0.02%+69,346+47.4%Added
Aptus Capital Advisors, LLC197,631$2.78M0.08%+23,222+13.3%Added
Knights of Columbus Asset Advisors LLC169,388$2.38M0.23%−33,023−16.3%Reduced
Bank of New York Mellon Corp168,525$2.37M0.00%−3,498−2.0%Reduced
Two Sigma Advisers, LP164,400$2.31M0.01%−8,313−4.8%Reduced
Siena Capital Partners GP, LLC163,038$2.29M0.83%−8,496−5.0%Reduced
Charles Schwab Investment Management Inc161,504$2.27M0.00%+51,123+46.3%Added
Two Sigma Investments, LP145,630$2.05M0.01%−22,768−13.5%Reduced
Assenagon Asset Management S.A.132,726$1.87M0.01%+114,893+644.3%Added
First Trust Advisors LP126,720$1.78M0.00%−6,120−4.6%Reduced
Bridgeway Capital Management, LLC124,865$1.76M0.05%−2,185−1.7%Reduced
State of New Jersey Common Pension Fund D113,144$1.59M0.01%−21,810−16.2%Reduced
Invesco Ltd.111,378$1.57M0.00%+26,289+30.9%Added
Great Lakes Advisors, LLC101,335$1.42M0.01%+101,335New
MSH Capital Advisors LLC84,826$1.19M0.51%00.0%Unchanged
Boston Partners81,223$1.14M0.00%−167−0.2%Reduced
Fisher Asset Management, LLC78,032$1.10M0.00%−90.0%Reduced
Swiss National Bank77,000$1.08M0.00%−9,000−10.5%Reduced
Millennium Management LLC75,721$1.06M0.00%−73,864−49.4%Reduced
Barclays PLC74,426$1.05M0.00%+21,235+39.9%Added
Mount Capital Ltd73,702$1.04M0.41%+73,702New
Rhumbline Advisers68,392$962.0K0.00%+4,282+6.7%Added
Los Angeles Capital Management LLC65,075$915.0K0.00%+49,966+330.7%Added
Graham Capital Management, L.P.63,020$886.1K0.03%+50,406+399.6%Added
Teacher Retirement System of Texas55,424$779.0K0.01%+55,424New
SummerHaven Investment Management, LLC54,911$772.0K0.45%+1,143+2.1%Added
Mariner, LLC50,891$715.0K0.00%−35−0.1%Reduced
Royal Bank of Canada49,179$692.0K0.00%+10,317+26.5%Added
Bank of America Corp48,463$681.4K0.00%+1,968+4.2%Added
Citadel Advisors LLC48,279$678.8K0.00%−85,021−63.8%Reduced
HighTower Advisors, LLC47,638$669.0K0.00%−1,056−2.2%Reduced
Wakefield Asset Management LLLP47,148$662.9K0.28%+47,148New
California State Teachers Retirement System47,077$661.9K0.00%−811−1.7%Reduced
Jacobs Levy Equity Management, Inc46,364$651.9K0.00%−8,199−15.0%Reduced
Hillsdale Investment Management Inc.46,300$651.0K0.06%+3,000+6.9%Added
Susquehanna International Group, LLP42,123$592.2K0.00%+26,777+174.5%Added
Ameriprise Financial Inc40,825$574.0K0.00%+10,374+34.1%Added
Gsa Capital Partners LLP38,877$547.0K0.05%+24,530+171.0%Added
Summit Global Investments38,100$536.0K0.04%00.0%Unchanged
Bailard, Inc.36,700$516.0K0.02%+14,400+64.6%Added
ClariVest Asset Management LLC36,078$507.0K0.02%+36,078New
Federated Hermes, Inc.34,798$489.3K0.00%+5,775+19.9%Added
Arrowstreet Capital, Limited Partnership34,519$485.0K0.00%+34,519New
State Board of Administration of Florida Retirement System34,070$479.0K0.00%00.0%Unchanged
New York Life Investment Management LLC33,222$467.1K0.01%+33,222New
Truist Financial Corp33,087$465.2K0.00%+18,390+125.1%Added
Ziegler Capital Management, LLC32,872$462.2K0.02%+32,872New
Cornercap Investment Counsel Inc32,359$455.0K0.08%+32,359New
Campbell & CO Investment Adviser LLC31,965$449.4K0.08%+6,424+25.2%Added
Hunter Perkins Capital Management, LLC31,028$436.0K0.10%+31,028New
Credit Suisse AG29,882$420.1K0.00%+90.0%Added
Welch & Forbes LLC29,686$417.4K0.01%00.0%Unchanged
Rothschild Investment Corp28,000$394.0K0.03%00.0%Unchanged
Mesirow Financial Investment Management, Inc.27,703$389.5K1.61%00.0%Unchanged
Qube Research & Technologies Ltd26,795$376.7K0.00%+26,795New
Public Employees Retirement Association of Colorado26,203$368.0K0.00%00.0%Unchanged
Deutsche Bank AG25,995$365.5K0.00%+8,509+48.7%Added
Engineers Gate Manager LP25,825$363.1K0.02%+14,699+132.1%Added
Cubist Systematic Strategies, LLC25,302$355.7K0.00%+12,921+104.4%Added
BNP Paribas Arbitrage, SA24,909$350.2K0.00%+13,405+116.5%Added
Raymond James & Associates24,259$341.1K0.00%−3,550−12.8%Reduced
SageView Advisory Group, LLC22,919$322.2K0.02%+22,919New
UBS Group AG22,574$317.4K0.00%+3,694+19.6%Added
New York State Common Retirement Fund22,267$313.1K0.00%−7,300−24.7%Reduced
MetLife Investment Management22,235$312.6K0.00%00.0%Unchanged
Rafferty Asset Management, LLC21,355$300.3K0.00%+21,355New
Janus Henderson Group PLC21,362$299.8K0.00%+21,362New
American International Group, Inc.20,447$287.5K0.00%+407+2.0%Added
Black Maple Capital Management LP20,445$287.5K0.36%+20,445New
David Loasby20,210$268.0K0.03%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.18,785$264.1K0.00%+1,078+6.1%Added
Spire Wealth Management17,940$252.2K0.01%+17,940New
Thrivent Financial for Lutherans17,361$244.0K0.00%+17,361New
Bartlett & Co. Wealth Management LLC17,161$241.3K0.00%+50+0.3%Added
Bartlett & Co. LLC17,161$241.0K0.00%+50+0.3%Added