OLD SECOND NATIONAL BANK OF AURORA

Other Low signal CIK 903783
League rank
#999
in Other · #3566 overall
Long book
$483.9M
Q1 2026
Positions
280
Top-10 weight
38%
concentration
Last quarter
+11.8%
SPY +14.8%
Turnover
7%
of book per quarter

Strategy in plain words

auto-generated from filings

OLD SECOND NATIONAL BANK OF AURORA is an institutional manager, running a $483.9M US long book across 280 positions.

The portfolio is moderately concentrated (top 10 ≈ 38% of the book). The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: MFS ACTIVE INTERNATIONAL, ISHARES CORE S&P MIDCAP ETF, NVIDIA CORP, BROADCOM INC, INVESCO BULLETSHARES 2027 CB.

Over the last 9 quarters its long book ran on average 0.1pp per quarter behind the S&P 500, beating the index in 5 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+3.2%
Q2 2024
+6.9%
Q3 2024
+0.5%
Q4 2024
-2.9%
Q1 2025
+10.0%
Q2 2025
+8.5%
Q3 2025
+3.0%
Q4 2025
-1.7%
Q1 2026
+11.8%

Sector allocation

Technology
31%
Financials
16%
Industrials
16%
Healthcare
10%
Consumer discretionary
7%
Energy
6%
Other
5%
Utilities
3%

Long book by quarter

$384.9M
Q1 2024
$390.1M
Q2 2024
$414.2M
Q3 2024
$439.8M
Q4 2024
$424.7M
Q1 2025
$458.0M
Q2 2025
$485.4M
Q3 2025
$500.0M
Q4 2025
$483.9M
Q1 2026

What does OLD SECOND own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
NVDA NVIDIA CORPTechnology106.3K$18.5M3.8%-2.7%
AVGO BROADCOM INCTechnology53.7K$16.6M3.4%-3.2%
AAPL APPLE INCTechnology55.8K$14.2M2.9%-0.9%
GOOGL ALPHABET INC-CL ATechnology46.9K$13.5M2.8%-2.6%
MSFT MICROSOFT CORPTechnology36.1K$13.4M2.8%+0.4%
JPM JPMORGAN CHASE & COFinancials36.4K$10.7M2.2%-3.9%
GLW CORNING INCIndustrials78.6K$10.7M2.2%-4.0%
MS MORGAN STANLEYFinancials55.6K$9.1M1.9%+5.3%
CMI CUMMINS INCIndustrials16.6K$8.9M1.8%-2.1%
LLY ELI LILLY & COHealthcare8.9K$8.2M1.7%-2.2%
KLAC KLA CORPOther5.5K$8.1M1.7%-20.3%
BLK BLACKROCK INCFinancials7.4K$7.1M1.5%-0.1%
AMZN AMAZON.COM INCConsumer discretionary34.0K$7.1M1.5%-1.1%
JNJ JOHNSON & JOHNSONHealthcare28.4K$6.9M1.4%-2.1%
PHM PULTEGROUP INCIndustrials54.0K$6.4M1.3%+31.7%
VLO VALERO ENERGY CORPEnergy20.9K$5.2M1.1%-3.4%
NOC NORTHROP GRUMMAN CORPTechnology7.5K$5.1M1.1%-1.4%
PEP PEPSICO INCConsumer staples32.3K$5.0M1.0%-1.8%
CVX CHEVRON CORPEnergy21.3K$4.4M0.9%+22.7%
BX BLACKSTONE INCFinancials37.3K$4.3M0.9%-1.3%
ABBV ABBVIE INCHealthcare19.5K$4.3M0.9%0.0%
EOG EOG RESOURCES INCEnergy27.2K$3.9M0.8%+2.8%
VIK VIKING HOLDINGS LTDIndustrials51.8K$3.8M0.8%-1.3%
FITB FIFTH THIRD BANCORPFinancials81.9K$3.8M0.8%+36.6%
MET METLIFE INCFinancials52.3K$3.7M0.8%-2.1%
ETN EATON CORP PLCIndustrials10.3K$3.7M0.8%-1.3%
NEE NEXTERA ENERGY INCUtilities39.4K$3.7M0.8%-1.3%
NFLX NETFLIX INCServices media37.9K$3.6M0.8%+3691.5%
ZTS ZOETIS INCHealthcare29.2K$3.5M0.7%+5.4%
COF CAPITAL ONE FINANCIAL CORPFinancials18.2K$3.3M0.7%-2.3%
NSC NORFOLK SOUTHERN CORPIndustrials11.2K$3.2M0.7%+0.8%
MA MASTERCARD INC - AServices media6.3K$3.1M0.6%+1.4%
WMT WALMART INCConsumer discretionary24.4K$3.0M0.6%-1.1%
ABT ABBOTT LABORATORIESHealthcare28.5K$2.9M0.6%+0.1%
PG PROCTER & GAMBLE CO/THEOther19.9K$2.9M0.6%-0.9%
SOFI SOFI TECHNOLOGIES INCFinancials173.4K$2.8M0.6%+1.6%
COST COSTCO WHOLESALE CORPConsumer discretionary2.7K$2.7M0.6%0.0%
UPS UNITED PARCEL SERVICE-CL BIndustrials26.9K$2.6M0.5%0.0%
BMI BADGER METER INCTechnology17.2K$2.6M0.5%-0.8%
ENB ENBRIDGE INCEnergy47.0K$2.5M0.5%-0.9%
SYK STRYKER CORPHealthcare7.4K$2.4M0.5%+0.6%
HD HOME DEPOT INCConsumer discretionary7.1K$2.3M0.5%-0.5%
HON HONEYWELL INTERNATIONAL INCIndustrials10.3K$2.3M0.5%-1.1%
PEG PUBLIC SERVICE ENTERPRISE GPUtilities28.4K$2.3M0.5%-1.6%
DHR DANAHER CORPTechnology12.1K$2.3M0.5%+0.5%
MCD MCDONALD'S CORPConsumer discretionary7.4K$2.3M0.5%-3.0%
SBUX STARBUCKS CORPConsumer discretionary25.0K$2.2M0.5%-1.1%
PKG PACKAGING CORP OF AMERICAOther9.0K$1.9M0.4%-2.8%
ROP ROPER TECHNOLOGIES INCTechnology5.3K$1.9M0.4%+2.7%
DIS WALT DISNEY CO/THEServices media18.3K$1.8M0.4%+0.2%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRApr 21, 2026391$483.9M canonicalSEC ↗
Q4 202513F-HRJan 27, 2026402$500.0M canonicalSEC ↗
Q3 202513F-HROct 22, 2025401$485.4M canonicalSEC ↗
Q2 202513F-HRJul 21, 2025419$458.0M canonicalSEC ↗
Q1 202513F-HRApr 21, 2025431$424.7M canonicalSEC ↗
Q4 202413F-HRJan 23, 2025640$439.8M canonicalSEC ↗
Q3 202413F-HRNov 5, 2024457$414.2M canonicalSEC ↗
Q2 202413F-HRAug 12, 2024466$390.1M canonicalSEC ↗
Q1 202413F-HRMay 6, 2024455$384.9M canonicalSEC ↗