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OLD SECOND NATIONAL BANK OF AURORA — 13F Holdings & Portfolio

CIK 903783 · latest 13F-HR filed 2026-07-21

Backtest portfolio

OLD SECOND NATIONAL BANK OF AURORA manages $530.5M in 13F-reported U.S. long-equity assets across 387 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are MFSI (8.19%), IJH (6.01%), AVGO (3.34%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 7 new positions and exited 12; 139 existing positions rose in reported value and 63 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$530.5M

Long-equity book

Holdings
387

Distinct positions

Period
2026-06-30

Filed 2026-07-21

Q/Q Activity
+7 / −12 / ↑139 / ↓63

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
MFSI8.4% · -1%IJH6.1% · -2%NVDA3.9% · -4%AVGO3.6% · -7%AAPL2.9% · -4%GOOGL2.9% · -7%BSCR2.9% · -3%KLAC2.8% · +783%MSFT2.7% · +5%VGK2.4% · -8%GLW2.2% · -41%JPM2.2% · -3%MS2.1% · -6%VWO2.1% · +4162%CMI2.0% · -10%LLY1.9% · -4%VEA1.9% · +4%SPY1.7% · -2%AMZN1.5% · -2%VT1.4% · -4%PHM1.4% · -2%BLK1.3% · -3%BSCS1.3% · 0%JNJ1.3% · -4%SPYM1.2% · +10%BX1.0% · +24%BSJR1.0% · -9%VIK1.0% · -6%VLO0.9% · -8%ABBV0.9% · -2%FITB0.9% · -0%EOG0.9% · +29%CVX0.8% · +28%MET0.8% · -1%SOFI0.8% · +39%ETN0.8% · -1%PEP0.8% · -3%BXSL0.8% · newARCC0.8% · newCOF0.7% · +4%NOC0.7% · -2%NEE0.7% · +7%PLD0.7% · -4%NSC0.7% · -1%MA0.6% · +2%CIBR0.6% · -4%PG0.5% · -0%UPS0.5% · -0%WELL0.5% · -10%BMI0.5% · +8%WMT0.5% · -2%ROP0.5% · +50%NFLX0.5% · -1%ABT0.5% · -1%IVV0.5% · -1%COST0.5% · -2%SBUX0.5% · -3%VNQ0.5% · -6%HD0.4% · -5%HON0.4% · -2%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

3 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 38.4%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

OLD SECOND NATIONAL BANK OF AURORA Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 MFS Active International ETF MFSI 55286W405 $43.4M 8.19% 1,337,002 SH
2 Ishares Core S&P Midcap ETF IJH 464287507 $31.9M 6.01% 413,196 SH
3 Broadcom Inc AVGO 11135F101 $17.7M 3.34% 46,941 SH
4 Nvidia Corporation NVDA 67066G104 $17.7M 3.33% 88,341 SH
5 Apple Computer Inc AAPL 037833100 $15.0M 2.82% 51,708 SH
6 Invesco Bulletshares 2027 ETF BSCR 46138J783 $14.8M 2.79% 753,704 SH
7 Alphabet Class A GOOGL 02079K305 $14.4M 2.71% 40,198 SH
8 KLA Corp KLAC 482480100 $13.9M 2.61% 45,928 SH
9 Microsoft Corp MSFT 594918104 $12.4M 2.34% 33,301 SH
10 Vanguard FTSE Europe ETF VGK 922042874 $12.3M 2.32% 138,717 SH
11 Vanguard MSCI Emerging Markets ETF VWO 922042858 $10.7M 2.02% 179,432 SH
12 J P Morgan Chase & Co JPM 46625H100 $10.7M 2.01% 32,590 SH
13 Morgan Stanley MS 617446448 $10.5M 1.98% 50,300 SH
14 Corning Inc GLW 219350105 $10.1M 1.91% 39,700 SH
15 Eli Lilly & Co LLY 532457108 $9.9M 1.87% 8,268 SH
16 Vanguard FTSE Developed Markets ETF VEA 921943858 $9.7M 1.83% 136,266 SH
17 Cummins Inc. CMI 231021106 $9.2M 1.74% 12,947 SH
18 SPDR S&P 500 ETF SPY 78462F103 $9.1M 1.71% 12,123 SH
19 Vanguard Total World Stock ETF VT 922042742 $7.3M 1.38% 46,764 SH
20 Amazon.com Inc. AMZN 023135106 $7.0M 1.32% 29,362 SH
21 Invesco Bulletshares 2028 ETF BSCS 46138J643 $6.8M 1.28% 332,986 SH
22 Blackrock Financial Class B BLK 09290D101 $6.3M 1.18% 6,525 SH
23 Johnson & Johnson JNJ 478160104 $6.3M 1.18% 24,664 SH
24 Pulte Homes, Inc PHM 745867101 $6.0M 1.13% 43,787 SH
25 SPDR Portfolio S&P 500 ETF SPYM 78464A854 $5.7M 1.07% 64,520 SH
26 Invesco Bulletshares 2027 High Yld ETF BSJR 46138J585 $5.2M 0.98% 231,708 SH
27 Blackstone Inc BX 09260D107 $4.8M 0.91% 41,069 SH
28 Valero Energy Corp VLO 91913Y100 $4.7M 0.88% 17,926 SH
29 Fifth Third Bancorp FITB 316773100 $4.6M 0.87% 81,515 SH
30 Abbvie Inc ABBV 00287Y109 $4.5M 0.85% 17,815 SH
31 EOG Resources Inc EOG 26875P101 $4.4M 0.82% 33,561 SH
32 Chevron Corp CVX 166764100 $4.3M 0.81% 26,050 SH
33 Viking Holdings Ltd. VIK G93A5A101 $4.3M 0.80% 40,797 SH
34 Metlife Inc MET 59156R108 $4.1M 0.78% 48,800 SH
35 Sofi Technologies Inc SOFI 83406F102 $4.1M 0.77% 227,493 SH
36 Blackstone Secured Lending Fund BXSL 09261X102 $4.1M 0.77% 171,870 SH
37 Ares Capital Corporation ARCC 04010L103 $4.1M 0.77% 219,583 SH
38 Pepsico Inc. PEP 713448108 $4.1M 0.76% 29,969 SH
39 Eaton Corp PLC ETN G29183103 $3.8M 0.72% 8,923 SH
40 Capital One Financial COF 14040H105 $3.7M 0.69% 18,262 SH
41 Northrop Grumman Corp NOC 666807102 $3.6M 0.68% 7,073 SH
42 Nextera Energy Inc NEE 65339F101 $3.4M 0.64% 38,825 SH
43 Prologis Inc PLD 74340W103 $3.4M 0.64% 25,028 SH
44 Norfolk Southern Corp NSC 655844108 $3.4M 0.64% 10,754 SH
45 First Trust Cybersecurity ETF CIBR 33734X846 $3.0M 0.57% 33,507 SH
46 Mastercard Inc. MA 57636Q104 $2.9M 0.55% 5,649 SH
47 United Parcel Service Inc Class B UPS 911312106 $2.9M 0.54% 26,819 SH
48 Nvidia Corporation NVDA 67066G104 $2.7M 0.52% 13,729 SH
49 Welltower Inc WELL 95040Q104 $2.7M 0.51% 11,901 SH
50 Badger Meter Inc BMI 056525108 $2.6M 0.49% 17,621 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-21 $530.5M 387 0000903783-26-000003
2026-03-31 2026-04-21 $483.9M 391 0000903783-26-000002
2025-12-31 2026-01-27 $500.0M 402 0000903783-26-000001
Filer Information
Address
37 S RIVER ST
AURORA, IL 60507
Phone
(630) 892-0202
Filing Manager
OLD SECOND NATIONAL BANK OF AURORA
AURORA, IL
Signatory
Richard A Gartelmann Jr.
Executive Vice President