Stack Financial Management, Inc

CIK 0001308685 · Q1 2026

13F Equity AUM

$1.4B

+3.8% QoQ

Positions

-7 QoQ

AUM Rank

#2,314

Top 19%

Skill Alpha (FF)

-0.3%/yr^ns

No Clear Edge

Rank #2,750 · Top 33%

vs S&P -3.6%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 34.3%Top 10: 50.1%Top 20: 70.7%

SH10.7%

WMT9.2%

PWR5.2%

MSFT5.0%

BRK/B4.2%

CHV4.1%

LHX3.6%

PSX2.9%

AEP2.7%

WPM2.6%

Others (42)49.9%

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

Sector Allocation

Industrials20.0%

Financial Services17.2%

Consumer Defensive14.7%

Energy12.1%

Healthcare12.1%

Utilities11.4%

Technology5.1%

Basic Materials4.1%

Other3.3%

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

Position Sizing

Positions: 52Median: 1.52%Avg: 1.92%

0–0.5%

10(0.4%)

0.5–1%

4(3.4%)

1–3%

31(54.2%)

3–5%

3(11.9%)

5%+

4(30.1%)

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

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Portfolio Overlap

Shared: 52Unique: 0vs 20 funds

0.7%Low

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)

1.3%

1.8%

1.1%

BANK OF AMERICA CORP /DE/

1.1%

STATE STREET CORP

1.4%

VANGUARD CAPITAL MANAGEMENT LLC

1.3%

GEODE CAPITAL MANAGEMENT, LLC

1.3%

VANGUARD PORTFOLIO MANAGEMENT LLC

1.5%

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

New2Increased24Decreased25Exited9

New Positions

CCK1.3%

+169K

XLU0.0%

+5K

Increased

SH10.7%

+1.3M(+53%)

UPS1.6%

+80K(+58%)

T2.0%

+5K(+0%)

DUK1.8%

+2K(+1%)

CNP2.3%

+2K(+0%)

KO1.8%

+1K(+0%)

MDT1.1%

+1K(+1%)

AEE1.2%

+1K(+1%)

DTE1.2%

+946(+1%)

EOG2.1%

+945(+0%)

Decreased

AEM1.0%

-113,231(-63%)

WPM2.6%

-77,486(-23%)

NEM0.5%

-46,090(-42%)

MSFT5.0%

-41,554(-18%)

WMT9.2%

-10,081(-1%)

JNJ1.8%

-1,549(-1%)

DOV1.1%

-1,279(-2%)

AEP2.7%

-1,236(-0%)

EMR1.4%

-1,034(-1%)

GDX0.1%

-984(-7%)

Exited

-219,193

-57,390

-82,249

-2,424

-1,046

-6,360

-3,912

-453

-860

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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