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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, Q2 2025

Institutional positions in Old Second Bancorp Inc as of Jun 30, 2025. 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
183
−9 vs. Q1 2025
Shares held
32.6M
−192.2K (−0.6%) vs. Q1 2025
Total value
$579.1M
+$32.9M (+6.0%) vs. Q1 2025
New holders
15
74 more added
Sold out
24
65 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 183 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 heldQ2 2025: $579.1M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Old Second Bancorp Inc; share changes are against Q1 2025.

Institutions holding OSBC in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Skylands Capital, LLC24,100$427.5K0.06%+24,100New
Verition Fund Management LLC24,063$426.9K0.00%−12,087−33.4%Reduced
Man Group plc24,003$425.8K0.00%+7,520+45.6%Added
BNP Paribas Arbitrage, SA23,906$424.1K0.00%−30,001−55.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.23,788$422.0K0.00%−2,076−8.0%Reduced
Jackson Creek Investment Advisors LLC23,464$416.0K0.11%+23,464New
Alps Advisors Inc22,464$398.5K0.00%+766+3.5%Added
Raymond James Financial Inc21,023$372.9K0.00%−3,175−13.1%Reduced
Sterling Capital Management LLC20,878$370.4K0.01%+20,126+2,676.3%Added
Lakewood Asset Management LLC20,090$356.4K0.24%+20+0.1%Added
CWM, LLC19,451$345.0K0.00%−854−4.2%Reduced
Point72 Asset Management, L.P.19,337$343.0K0.00%+6,615+52.0%Added
Mach-1 Financial Group, Inc.18,953$336.2K0.10%+18,953New
David Loasby20,210$335.3K0.03%00.0%Unchanged
Sentinel Trust Co Lba18,860$335.0K0.04%00.0%Unchanged
Intech Investment Management LLC18,427$326.9K0.00%−11,773−39.0%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH18,290$324.5K0.00%+6,183+51.1%Added
Blair William & Co18,020$319.7K0.00%+21+0.1%Added
Centennial Wealth Advisory LLC17,346$307.7K0.10%+55+0.3%Added
Aquatic Capital Management LLC17,256$306.1K0.01%+11,788+215.6%Added
Public Employees Retirement Association of Colorado17,258$306.0K0.00%00.0%Unchanged
SG Americas Securities, LLC17,051$302.0K0.00%−27,224−61.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)15,923$282.5K0.00%+9,451+146.0%Added
Connor, Clark & Lunn Investment Management Ltd.15,857$281.3K0.00%−21,294−57.3%Reduced
Quantinno Capital Management LP15,664$277.9K0.00%+15,664New
Janus Henderson Group PLC15,635$277.4K0.00%−9,175−37.0%Reduced
Assenagon Asset Management S.A.15,280$271.1K0.00%−164,300−91.5%Reduced
Jacobs Levy Equity Management, Inc15,100$267.9K0.00%00.0%Unchanged
Hohimer Wealth Management, LLC14,350$254.6K0.05%+14,350New
Voya Investment Management LLC14,146$250.9K0.00%+181+1.3%Added
Gsa Capital Partners LLP13,800$245.0K0.02%−23,153−62.7%Reduced
Princeton Capital Management LLC13,770$244.3K0.07%00.0%Unchanged
Corton Capital Inc.13,659$242.3K0.28%+13,659New
Y-Intercept (Hong Kong) Ltd13,610$241.4K0.01%−19,927−59.4%Reduced
Cobblestone Capital Advisors LLC13,609$241.4K0.01%−425−3.0%Reduced
EntryPoint Capital, LLC13,539$240.2K0.12%+13,539New
Cubist Systematic Strategies, LLC12,920$229.2K0.00%−13,594−51.3%Reduced
Federated Hermes, Inc.12,515$222.0K0.00%+113+0.9%Added
Arizona State Retirement System12,475$221.3K0.00%+265+2.2%Added
Dakota Wealth Management12,254$217.4K0.00%+228+1.9%Added
Bartlett & Co. Wealth Management LLC12,168$215.9K0.00%+45+0.4%Added
Mariner, LLC11,780$209.0K0.00%+11,780New
Avantax Advisory Services, Inc.11,770$208.8K0.00%+201+1.7%Added
Stratos Wealth Partners, LTD.11,663$206.9K0.00%00.0%Unchanged
New York State Common Retirement Fund11,466$203.4K0.00%00.0%Unchanged
HighPoint Advisor Group LLC10,874$192.9K0.01%−3,496−24.3%Reduced
Quantbot Technologies LP10,844$192.4K0.00%−478−4.2%Reduced
J.W. Cole Advisors, Inc.10,480$185.9K0.00%+7+0.1%Added
Police & Firemen's Retirement System of New Jersey9,351$165.9K0.00%00.0%Unchanged
KLP Kapitalforvaltning AS9,100$161.4K0.00%00.0%Unchanged
EMC Capital Management8,435$150.0K0.08%+8,435New
Lazard Asset Management LLC7,082$125.0K0.00%+7,082New
Tower Research Capital LLC (TRC)6,306$111.9K0.00%+5,153+446.9%Added
Shell Asset Management Co5,657$100.0K0.00%−627−10.0%Reduced
Great West Life Assurance Co5,637$100.0K0.00%00.0%Unchanged
TSFG, LLC5,513$98.0K0.02%00.0%Unchanged
CIBC Private Wealth Group, LLC5,320$94.4K0.00%00.0%Unchanged
STRS Ohio5,300$94.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.4,314$76.5K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC4,236$75.1K0.00%−24−0.6%Reduced
Quarry LP2,942$52.2K0.01%−2,860−49.3%Reduced
Versant Capital Management, Inc2,395$42.5K0.01%+1,518+173.1%Added
MAI Capital Management1,523$27.0K0.00%+166+12.2%Added
EverSource Wealth Advisors, LLC1,480$26.3K0.00%+1,215+458.5%Added
Amalgamated Bank1,470$26.0K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.1,306$23.2K0.00%00.0%Unchanged
US Bancorp1,282$22.7K0.00%−90−6.6%Reduced
Tompkins Financial Corp1,145$20.3K0.00%00.0%Unchanged
Parallel Advisors, LLC932$16.5K0.00%−1−0.1%Reduced
Covestor Ltd689$13.0K0.01%+135+24.4%Added
Essential Partners LLC612$10.9K0.00%+612New
GAMMA Investing LLC521$9.24K0.00%+196+60.3%Added
IFP Advisors, Inc393$7.40K0.00%+365+1,303.6%Added
Danske Bank A/S300$5.32K0.00%00.0%Unchanged
Clearstead Advisors, LLC248$4.40K0.00%+248New
Allworth Financial LP241$4.28K0.00%+232+2,577.8%Added
The PNC Financial Services Group, Inc.220$3.90K0.00%+17+8.4%Added
Signaturefd, LLC125$2.22K0.00%00.0%Unchanged
True Wealth Design, LLC57$1.01K0.00%−11−16.2%Reduced
First Horizon Advisors, Inc.43$7630.00%00.0%Unchanged
Farther Finance Advisors, LLC40$7100.00%+35+700.0%Added
National Bank of Canada1$180.00%00.0%Unchanged
Hallmark Capital Management Inc1$120.00%00.0%Unchanged
River Street Advisors LLC0$00.00%−292,611−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−100,000−100.0%Sold out
Trexquant Investment LP0$00.00%−74,368−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−40,141−100.0%Sold out
PDT Partners, LLC0$00.00%−35,336−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−21,346−100.0%Sold out
PharVision Advisers, LLC0$00.00%−18,234−100.0%Sold out
Teza Capital Management LLC0$00.00%−17,776−100.0%Sold out
XTX Topco Ltd0$00.00%−15,541−100.0%Sold out
Mesirow Financial Investment Management, Inc.0$00.00%−16,412−100.0%Sold out
Marshall Wace, LLP0$00.00%−11,600−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−11,200−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−10,002−100.0%Sold out
Engineers Gate Manager LP0$00.00%−10,001−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−3,396−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−1,923−100.0%Sold out
Picton Mahoney Asset Management0$00.00%−1,420−100.0%Sold out