Old Second National Bank of Aurora

13F filer · CIK 0000903783

Reported Jul 21, 2026

Net seller this quarter

13F portfolio value$530MU.S. long equity reported on 13F

Positions1987 new · 9 closed

Net flow last quarter-$9.98MBuys minus sells

Top 10 positions weight27.2%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Jul 21, 2026198 positions
NVDANvidia Corp	$20.4M	3.85%	0.00%	-3.9%	Q4 2022
AVGOBroadcom Inc.	$18.9M	3.56%	0.00%	-6.9%	Q4 2022
AAPLApple Inc.	$15.6M	2.94%	0.00%	-3.5%	Q4 2022
GOOGLAlphabet Inc.	$15.6M	2.94%	0.00%	-7.0%	Q4 2022
KLACKla Corp	$14.6M	2.75%	0.00%	-11.7%	Q4 2022
MSFTMicrosoft Corp	$14.1M	2.65%	0.00%	+4.6%	Q4 2022
GLWCorning Inc	$11.8M	2.23%	0.01%	-41.2%	Q4 2022
JPMJPMorgan Chase & Co	$11.6M	2.19%	0.00%	-2.7%	Q4 2022
MSMorgan Stanley	$10.9M	2.06%	0.00%	-5.7%	Q4 2022
CMICummins Inc	$10.7M	2.01%	0.01%	-9.9%	Q4 2022
LLYELI LILLY & Co	$10.2M	1.93%	0.00%	-4.0%	Q4 2022
SPYSPDR S&P 500 ETF Trust	$9.11M	1.72%	Not reported	-1.5%	Q4 2022
AMZNAmazon Com Inc	$7.95M	1.50%	0.00%	-1.9%	Q4 2022
PHMPultegroup Inc	$7.24M	1.37%	0.03%	-2.3%	Q4 2022
BLKBlackRock, Inc.	$6.94M	1.31%	0.00%	-2.7%	Q4 2022
JNJJohnson & Johnson	$6.91M	1.30%	0.00%	-4.3%	Q4 2022
BXBlackstone Inc.	$5.44M	1.03%	0.01%	+24.0%	Q1 2023
VIKViking Holdings Ltd	$5.11M	0.96%	Not reported	-5.7%	Q2 2025
VLOValero Energy Corp	$5.02M	0.95%	0.01%	-7.9%	Q4 2022
ABBVAbbVie Inc.	$4.84M	0.91%	0.00%	-1.5%	Q4 2022
FITBFifth Third Bancorp	$4.6M	0.87%	0.01%	-0.5%	Q4 2022
EOGEog Resources Inc	$4.54M	0.86%	0.01%	+29.0%	Q4 2022
CVXChevron Corp	$4.51M	0.85%	0.00%	+27.5%	Q4 2022
METMetlife Inc	$4.38M	0.83%	0.01%	-1.1%	Q4 2022
SOFISoFi Technologies, Inc.	$4.32M	0.81%	0.02%	+38.9%	Q4 2022
ETNEaton Corp plc	$4.31M	0.81%	0.00%	-1.4%	Q4 2022
PEPPepsico Inc	$4.24M	0.80%	0.00%	-3.1%	Q4 2022
BXSLBlackstone Secured Lending Fund	$4.16M	0.78%	0.08%	New	Q2 2026
ARCCAres Capital Corp	$4.16M	0.78%	0.03%	New	Q2 2026
COFCapital One Financial Corp	$3.81M	0.72%	0.00%	+4.5%	Q4 2024
NOCNorthrop Grumman Corp	$3.73M	0.70%	0.01%	-2.3%	Q3 2023
NEENextera Energy Inc	$3.69M	0.70%	0.00%	+7.0%	Q4 2022
PLDPrologis, Inc.	$3.54M	0.67%	0.00%	-3.7%	Q3 2023
NSCNorfolk Southern Corp	$3.47M	0.65%	0.00%	-1.2%	Q4 2022
MAMastercard Inc	$3.29M	0.62%	0.00%	+2.1%	Q4 2022
PGPROCTER & GAMBLE Co	$2.91M	0.55%	0.00%	-0.1%	Q4 2022
UPSUnited Parcel Service Inc	$2.88M	0.54%	0.00%	-0.2%	Q4 2022
WELLWelltower Inc.	$2.81M	0.53%	0.00%	-10.0%	Q4 2022
BMIBadger Meter Inc	$2.76M	0.52%	0.06%	+8.2%	Q4 2022
WMTWalmart Inc.	$2.72M	0.51%	0.00%	-1.7%	Q4 2022
ROPRoper Technologies Inc	$2.69M	0.51%	0.01%	+49.9%	Q4 2022
NFLXNetflix Inc	$2.68M	0.50%	0.00%	-1.1%	Q2 2024
ABTAbbott Laboratories	$2.56M	0.48%	0.00%	-0.7%	Q4 2022
COSTCostco Wholesale Corp	$2.48M	0.47%	0.00%	-2.5%	Q4 2022
SBUXStarbucks Corp	$2.47M	0.47%	0.00%	-3.0%	Q4 2022
HDHome Depot, Inc.	$2.36M	0.44%	0.00%	-5.4%	Q4 2022
HONHoneywell International Inc	$2.34M	0.44%	0.00%	+96.4%	Q4 2022
SYKStryker Corp	$2.32M	0.44%	0.00%	-0.3%	Q4 2022
QCOMQualcomm Inc	$2.3M	0.43%	0.00%	-7.9%	Q4 2022
DHRDanaher Corp	$2.29M	0.43%	0.00%	-0.8%	Q4 2022

Q1 2026Reported Apr 21, 2026199 positions
NVDANvidia Corp	$18.5M	3.83%	0.00%	-2.7%	Q4 2022
AVGOBroadcom Inc.	$16.6M	3.44%	0.00%	-3.2%	Q4 2022
AAPLApple Inc.	$14.2M	2.93%	0.00%	-0.9%	Q4 2022
GOOGLAlphabet Inc.	$13.5M	2.79%	0.00%	-2.6%	Q4 2022
MSFTMicrosoft Corp	$13.4M	2.76%	0.00%	+0.4%	Q4 2022
JPMJPMorgan Chase & Co	$10.7M	2.21%	0.00%	-3.9%	Q4 2022
GLWCorning Inc	$10.7M	2.21%	0.01%	-4.0%	Q4 2022
MSMorgan Stanley	$9.14M	1.89%	0.00%	+5.3%	Q4 2022
CMICummins Inc	$8.94M	1.85%	0.01%	-2.1%	Q4 2022
LLYELI LILLY & Co	$8.17M	1.69%	0.00%	-2.2%	Q4 2022
KLACKla Corp	$8.06M	1.67%	0.00%	-20.4%	Q4 2022
SPYSPDR S&P 500 ETF Trust	$8.05M	1.66%	Not reported	-4.8%	Q4 2022
BLKBlackRock, Inc.	$7.13M	1.47%	0.00%	-0.1%	Q4 2022
AMZNAmazon Com Inc	$7.08M	1.46%	0.00%	-1.1%	Q4 2022
JNJJohnson & Johnson	$6.95M	1.44%	0.00%	-2.1%	Q4 2022
PHMPultegroup Inc	$6.35M	1.31%	0.03%	+31.7%	Q4 2022
VLOValero Energy Corp	$5.17M	1.07%	0.01%	-3.4%	Q4 2022
NOCNorthrop Grumman Corp	$5.12M	1.06%	0.01%	-1.4%	Q3 2023
PEPPepsico Inc	$5.02M	1.04%	0.00%	-1.8%	Q4 2022
CVXChevron Corp	$4.41M	0.91%	0.00%	+22.7%	Q4 2022
BXBlackstone Inc.	$4.29M	0.89%	0.01%	-1.3%	Q1 2023
ABBVAbbVie Inc.	$4.25M	0.88%	0.00%	0.0%	Q4 2022
EOGEog Resources Inc	$3.93M	0.81%	0.01%	+2.8%	Q4 2022
VIKViking Holdings Ltd	$3.81M	0.79%	Not reported	-1.3%	Q2 2025
FITBFifth Third Bancorp	$3.81M	0.79%	0.01%	+36.6%	Q4 2022
METMetlife Inc	$3.7M	0.76%	0.01%	-2.1%	Q4 2022
ETNEaton Corp plc	$3.67M	0.76%	0.00%	-1.4%	Q4 2022
NEENextera Energy Inc	$3.66M	0.76%	0.00%	-1.3%	Q4 2022
NFLXNetflix Inc	$3.65M	0.75%	0.00%	+3691.5%	Q2 2024
PLDPrologis, Inc.	$3.58M	0.74%	0.00%	-1.7%	Q3 2023
ZTSZoetis Inc.	$3.45M	0.71%	0.01%	+5.4%	Q4 2022
COFCapital One Financial Corp	$3.31M	0.68%	0.00%	-2.3%	Q4 2024
NSCNorfolk Southern Corp	$3.21M	0.66%	0.01%	+0.9%	Q4 2022
MAMastercard Inc	$3.13M	0.65%	0.00%	+1.4%	Q4 2022
WMTWalmart Inc.	$3.03M	0.63%	0.00%	-1.1%	Q4 2022
ABTAbbott Laboratories	$2.92M	0.60%	0.00%	+0.1%	Q4 2022
PGPROCTER & GAMBLE Co	$2.87M	0.59%	0.00%	-0.9%	Q4 2022
SOFISoFi Technologies, Inc.	$2.75M	0.57%	0.01%	+1.6%	Q4 2022
WELLWelltower Inc.	$2.72M	0.56%	0.00%	-2.1%	Q4 2022
COSTCostco Wholesale Corp	$2.71M	0.56%	0.00%	0.0%	Q4 2022
UPSUnited Parcel Service Inc	$2.64M	0.55%	0.00%	0.0%	Q4 2022
BMIBadger Meter Inc	$2.62M	0.54%	0.06%	-0.8%	Q4 2022
ENBEnbridge Inc	$2.55M	0.53%	0.00%	-0.9%	Q4 2022
SYKStryker Corp	$2.43M	0.50%	0.00%	+0.6%	Q4 2022
HDHome Depot, Inc.	$2.32M	0.48%	0.00%	-0.6%	Q4 2022
HONHoneywell International Inc	$2.32M	0.48%	0.00%	-1.1%	Q4 2022
PEGPublic Service Enterprise Group Inc	$2.3M	0.48%	0.01%	-1.6%	Q4 2022
DHRDanaher Corp	$2.3M	0.47%	0.00%	+0.5%	Q4 2022
MCDMcdonalds Corp	$2.29M	0.47%	0.00%	-3.0%	Q4 2022
SBUXStarbucks Corp	$2.24M	0.46%	0.00%	-1.1%	Q4 2022

Q4 2025Reported Jan 27, 2026208 positions
NVDANvidia Corp	$20.4M	4.07%	0.00%	-15.2%	Q4 2022
AVGOBroadcom Inc.	$19.2M	3.84%	0.00%	-0.1%	Q4 2022
MSFTMicrosoft Corp	$17.4M	3.48%	0.00%	-2.3%	Q4 2022
AAPLApple Inc.	$15.3M	3.06%	0.00%	-0.6%	Q4 2022
GOOGLAlphabet Inc.	$15.1M	3.01%	0.00%	-11.2%	Q4 2022
JPMJPMorgan Chase & Co	$12.2M	2.44%	0.00%	-1.1%	Q4 2022
LLYELI LILLY & Co	$9.76M	1.95%	0.00%	-0.7%	Q4 2022
MSMorgan Stanley	$9.37M	1.87%	0.00%	+0.2%	Q4 2022
SPYSPDR S&P 500 ETF Trust	$8.87M	1.77%	Not reported	+27.5%	Q4 2022
CMICummins Inc	$8.67M	1.73%	0.01%	0.0%	Q4 2022
KLACKla Corp	$8.35M	1.67%	0.01%	-1.4%	Q4 2022
BLKBlackRock, Inc.	$7.95M	1.59%	0.00%	+0.9%	Q4 2022
AMZNAmazon Com Inc	$7.94M	1.59%	0.00%	+1.4%	Q4 2022
GLWCorning Inc	$7.16M	1.43%	0.01%	-0.1%	Q4 2022
JNJJohnson & Johnson	$6.01M	1.20%	0.00%	+0.8%	Q4 2022
BXBlackstone Inc.	$5.82M	1.16%	0.01%	+3.0%	Q1 2023
PHMPultegroup Inc	$4.81M	0.96%	0.02%	+0.9%	Q4 2022
PEPPepsico Inc	$4.72M	0.94%	0.00%	-1.8%	Q4 2022
COFCapital One Financial Corp	$4.5M	0.90%	0.00%	+0.4%	Q4 2024
SOFISoFi Technologies, Inc.	$4.47M	0.89%	0.01%	-0.3%	Q4 2022
ABBVAbbVie Inc.	$4.46M	0.89%	0.00%	0.0%	Q4 2022
NOCNorthrop Grumman Corp	$4.34M	0.87%	0.01%	+1.7%	Q3 2023
METMetlife Inc	$4.22M	0.84%	0.01%	+1.7%	Q4 2022
VIKViking Holdings Ltd	$3.75M	0.75%	Not reported	+0.2%	Q2 2025
ABTAbbott Laboratories	$3.56M	0.71%	0.00%	+0.9%	Q4 2022
MAMastercard Inc	$3.53M	0.71%	0.00%	+1.4%	Q4 2022
VLOValero Energy Corp	$3.53M	0.71%	0.01%	+0.4%	Q4 2022
PLDPrologis, Inc.	$3.52M	0.70%	0.00%	+1.6%	Q3 2023
ZTSZoetis Inc.	$3.49M	0.70%	0.01%	-7.4%	Q4 2022
ETNEaton Corp plc	$3.31M	0.66%	0.00%	+1.7%	Q4 2022
NEENextera Energy Inc	$3.2M	0.64%	0.00%	+6.2%	Q4 2022
NSCNorfolk Southern Corp	$3.2M	0.64%	0.00%	+0.1%	Q4 2022
BMIBadger Meter Inc	$3.02M	0.60%	0.05%	+1.0%	Q4 2022
PGPROCTER & GAMBLE Co	$2.88M	0.58%	0.00%	-0.7%	Q4 2022
FITBFifth Third Bancorp	$2.81M	0.56%	0.01%	+199.4%	Q4 2022
EOGEog Resources Inc	$2.78M	0.56%	0.00%	-3.0%	Q4 2022
DHRDanaher Corp	$2.76M	0.55%	0.00%	+0.3%	Q4 2022
WMTWalmart Inc.	$2.75M	0.55%	0.00%	+1.1%	Q4 2022
UPSUnited Parcel Service Inc	$2.67M	0.53%	0.00%	-1.2%	Q4 2022
CVXChevron Corp	$2.65M	0.53%	0.00%	+0.9%	Q4 2022
WELLWelltower Inc.	$2.6M	0.52%	0.00%	-0.2%	Q4 2022
SYKStryker Corp	$2.59M	0.52%	0.00%	+1.1%	Q4 2022
HDHome Depot, Inc.	$2.44M	0.49%	0.00%	+4.5%	Q4 2022
COSTCostco Wholesale Corp	$2.34M	0.47%	0.00%	+3.2%	Q4 2022
MCDMcdonalds Corp	$2.32M	0.46%	0.00%	+1.8%	Q4 2022
PEGPublic Service Enterprise Group Inc	$2.32M	0.46%	0.01%	+0.6%	Q4 2022
QCOMQualcomm Inc	$2.32M	0.46%	0.00%	+0.1%	Q4 2022
ROPRoper Technologies Inc	$2.29M	0.46%	0.00%	+1.8%	Q4 2022
ENBEnbridge Inc	$2.27M	0.45%	0.00%	+2.3%	Q4 2022
MDYSPDR S&P Midcap 400 ETF Trust	$2.15M	0.43%	Not reported	Not reported	Q4 2022

Q3 2025Reported Oct 22, 2025207 positions
NVDANvidia Corp	$24M	4.95%	0.00%	-3.0%	Q4 2022
MSFTMicrosoft Corp	$19.1M	3.93%	0.00%	-2.8%	Q4 2022
AVGOBroadcom Inc.	$18.3M	3.78%	0.00%	-2.7%	Q4 2022
AAPLApple Inc.	$14.4M	2.97%	0.00%	+0.3%	Q4 2022
GOOGLAlphabet Inc.	$13.2M	2.71%	0.00%	-0.3%	Q4 2022
JPMJPMorgan Chase & Co	$12.1M	2.49%	0.00%	-3.1%	Q4 2022
BLKBlackRock, Inc.	$8.58M	1.77%	0.00%	-1.7%	Q4 2022
MSMorgan Stanley	$8.37M	1.72%	0.00%	-0.8%	Q4 2022
KLACKla Corp	$7.52M	1.55%	0.01%	-1.6%	Q4 2022
AMZNAmazon Com Inc	$7.45M	1.53%	0.00%	+2.8%	Q4 2022
CMICummins Inc	$7.17M	1.48%	0.01%	+2.5%	Q4 2022
LLYELI LILLY & Co	$6.98M	1.44%	0.00%	+16.4%	Q4 2022
SPYSPDR S&P 500 ETF Trust	$6.8M	1.40%	Not reported	-0.6%	Q4 2022
GLWCorning Inc	$6.72M	1.38%	0.01%	+1.6%	Q4 2022
BXBlackstone Inc.	$6.27M	1.29%	0.00%	-0.1%	Q1 2023
PHMPultegroup Inc	$5.37M	1.11%	0.02%	-2.5%	Q4 2022
JNJJohnson & Johnson	$5.34M	1.10%	0.00%	-1.5%	Q4 2022
PEPPepsico Inc	$4.71M	0.97%	0.00%	+22.9%	Q4 2022
NOCNorthrop Grumman Corp	$4.56M	0.94%	0.01%	-1.2%	Q3 2023
SOFISoFi Technologies, Inc.	$4.53M	0.93%	0.01%	-43.6%	Q4 2022
ABBVAbbVie Inc.	$4.52M	0.93%	0.00%	-3.6%	Q4 2022
ZTSZoetis Inc.	$4.38M	0.90%	0.01%	+118.6%	Q4 2022
METMetlife Inc	$4.33M	0.89%	0.01%	+0.6%	Q4 2022
COFCapital One Financial Corp	$3.93M	0.81%	0.00%	+7.6%	Q4 2024
ETNEaton Corp plc	$3.82M	0.79%	0.00%	-4.0%	Q4 2022
ABTAbbott Laboratories	$3.77M	0.78%	0.00%	+0.6%	Q4 2022
VLOValero Energy Corp	$3.68M	0.76%	0.01%	0.0%	Q4 2022
MAMastercard Inc	$3.47M	0.71%	0.00%	-7.7%	Q4 2022
NSCNorfolk Southern Corp	$3.32M	0.68%	0.00%	+0.1%	Q4 2022
VIKViking Holdings Ltd	$3.26M	0.67%	Not reported	+10.5%	Q2 2025
PLDPrologis, Inc.	$3.11M	0.64%	0.00%	+3.9%	Q3 2023
PGPROCTER & GAMBLE Co	$3.11M	0.64%	0.00%	-4.6%	Q4 2022
BMIBadger Meter Inc	$3.06M	0.63%	0.06%	+2.4%	Q4 2022
EOGEog Resources Inc	$3.06M	0.63%	0.01%	+3.2%	Q4 2022
NEENextera Energy Inc	$2.84M	0.58%	0.00%	+4.5%	Q4 2022
HDHome Depot, Inc.	$2.76M	0.57%	0.00%	-2.7%	Q4 2022
SYKStryker Corp	$2.69M	0.56%	0.00%	-0.4%	Q4 2022
CVXChevron Corp	$2.68M	0.55%	0.00%	-0.3%	Q4 2022
ROPRoper Technologies Inc	$2.52M	0.52%	0.00%	-10.6%	Q4 2022
WMTWalmart Inc.	$2.51M	0.52%	0.00%	-3.2%	Q4 2022
WELLWelltower Inc.	$2.5M	0.52%	0.00%	-2.2%	Q4 2022
COSTCostco Wholesale Corp	$2.44M	0.50%	0.00%	-1.2%	Q4 2022
PEGPublic Service Enterprise Group Inc	$2.4M	0.49%	0.01%	-0.4%	Q4 2022
DHRDanaher Corp	$2.38M	0.49%	0.00%	+1.1%	Q4 2022
ENBEnbridge Inc	$2.34M	0.48%	0.00%	-1.9%	Q4 2022
UPSUnited Parcel Service Inc	$2.27M	0.47%	0.00%	-0.2%	Q4 2022
MCDMcdonalds Corp	$2.27M	0.47%	0.00%	-1.0%	Q4 2022
QCOMQualcomm Inc	$2.25M	0.46%	0.00%	+1.7%	Q4 2022
MDYSPDR S&P Midcap 400 ETF Trust	$2.13M	0.44%	Not reported	-1.0%	Q4 2022
HONHoneywell International Inc	$2.12M	0.44%	0.00%	+0.7%	Q4 2022

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