OLD SECOND NATIONAL BANK OF AURORA

CIK 0000903783 · Q1 2026

13F Equity AUM

$483.9M

-3.2% QoQ

Positions

279

-9 QoQ

AUM Rank

#4,391

Top 35%

Skill Alpha (FF)

-0.1%/yr^ns

No Clear Edge

Rank #2,448 · Top 30%

vs S&P -2.7%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 24.9%Top 10: 38.3%Top 20: 56.1%

MFSI8.5%

IJH5.9%

NVDA3.8%

AVGO3.4%

BSCR3.2%

AAPL2.9%

GOOGL2.8%

MSFT2.8%

VGK2.6%

FLIN2.2%

Others (269)61.7%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Financial Services39.5%

Technology18.1%

Fund8.6%

Healthcare6.6%

Industrials6.4%

Consumer Cyclical6.0%

Communication Services4.2%

Energy3.6%

Other6.8%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 279Median: 0.04%Avg: 0.36%

0–0.5%

225(15.7%)

0.5–1%

25(17.2%)

1–3%

24(42.2%)

3–5%

3(10.5%)

5%+

2(14.4%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 278Unique: 1vs 20 funds

3.8%Low

279

Fund positions

7,299

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Most Similar Funds

Top 9 benchmark funds with highest portfolio overlap (Jaccard similarity)

BANK OF AMERICA CORP /DE/

5.9%

5.2%

5.5%

8.7%

6.2%

5.9%

VANGUARD CAPITAL MANAGEMENT LLC

5.3%

GEODE CAPITAL MANAGEMENT, LLC

5.1%

VANGUARD PORTFOLIO MANAGEMENT LLC

6.1%

Jaccard similarity per fund: shared CUSIPs / (fund A + fund B − shared). Higher values indicate more similar portfolios.

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Position Changes This Quarter

New6Increased35Decreased84Exited14

New Positions

BSJR1.2%

+261K

SUB0.2%

+10K

BSMS0.1%

+15K

PANW0.0%

+150

OXY/WS0.0%

+28

FG0.0%

Increased

BSCR3.2%

+379K(+91%)

BSCS1.4%

+336K(+9033%)

NFLX0.8%

+37K(+3692%)

BSMR0.1%

+26K(+506%)

FITB0.8%

+22K(+37%)

PHM1.3%

+13K(+32%)

MFSI8.5%

+13K(+1%)

SPYM1.1%

+9K(+15%)

CHV0.9%

+4K(+23%)

VEA1.8%

+3K(+3%)

Decreased

BSCQ0.0%

-591,665(-100%)

BSJQ0.0%

-230,935(-100%)

VNQ0.5%

-46,066(-63%)

IJH5.9%

-39,151(-8%)

XLE0.4%

-34,638(-50%)

INGR0.0%

-9,578(-96%)

VGK2.6%

-5,946(-4%)

BSMQ0.1%

-4,574(-20%)

ADBE0.0%

-4,569(-95%)

GLW2.2%

-3,235(-4%)

Exited

-12,114

-1,020

-200

-11

-233

-250

-141

-33

-368

-6

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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