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Old Second National Bank of Aurora

CIK:0000903783
Bank
$6B AUM
284 holdings
Aurora, IL, United States
Founded:1871
700 employees
Latest filing:Sep 30, 2025

Old Second National Bank, founded in 1871 and headquartered in Aurora, Illinois, is a large regional bank offering a full suite of personal, business, and wealth management services. The bank manages over $5.6 billion in assets and is known for its community focus, traditional banking values, and adoption of modern digital solutions. With over 150 years in operation, Old Second serves individuals, families, small and medium-sized enterprises, and professional service firms primarily across the Chicago metropolitan area. The firm reportedly employs approximately 700 people and is a wholly owned subsidiary of Old Second Bancorp, Inc.

Investment Strategy

Old Second National Bank adopts a relationship-driven, community-focused banking strategy, offering tailored financial solutions for individuals and businesses in its local markets. The bank seeks to foster long-term partnerships by understanding clients’ unique needs and providing comprehensive lending, deposit, and wealth management services. It balances traditional risk management with investment in digital tools and maintains a diversified loan portfolio, emphasizing support for small and medium-sized enterprises and local economic development.

Top Buys
G
GOOGLAlphabet Class A
+$3.6M
N
NVDANvidia Corporation
+$3.1M
A
AAPLApple Computer Inc
+$2.8M
A
AVGOBroadcom Inc
+$2.6M
G
GLWCorning Inc
+$2.5M
Top Sells
V
VNQVanguard REIT-ETF
-$3.1M
X
XLPSelect Sector Spdr Tr Consumer Staples
-$1.7M
B
BMIBadger Meter Inc
-$1.0M
S
SOFISofi Technologies Inc
-$1.0M
V
VZVerizon Communications
-$848.5K

Top Holdings

I
IJHIshares Core S&P Midcap ETF
+6.3%$30.4M
N
NVDANvidia Corporation
+5.0%$24.0M
M
MSFTMicrosoft Corp
+3.9%$19.1M
A
AVGOBroadcom Inc
+3.8%$18.3M
A
AAPLApple Computer Inc
+3.0%$14.4M

Equity Positions (282)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
I
IJH
Ishares Core S&P Midcap ETF6.27%$30.4M466,309$52.55$65.26+$89.8K
N
NVDA
Nvidia Corporation4.95%$24.0M128,795$20.16$186.58+$3.1M
M
MSFT
Microsoft Corp3.93%$19.1M36,786$59.84$517.95+$227.3K
A
AVGO
Broadcom Inc3.78%$18.3M55,570$25.20$329.91+$2.6M
A
AAPL
Apple Computer Inc2.97%$14.4M56,675$41.09$254.63+$2.8M

Industry Allocation

SEMICONDUCTORS & RELATED DEVICES
+8.8%
SECURITY BROKERS, DEALERS & FLOTATION COMPANIES
+5.3%
PHARMACEUTICAL PREPARATIONS
+5.3%
SERVICES-PREPACKAGED SOFTWARE
+4.7%
NATIONAL COMMERCIAL BANKS
+3.5%