J. Stern & Co. LLP

CIK 0002011335 · Q1 2026

13F Equity AUM

$1.0B

-12.1% QoQ

Positions

+6 QoQ

AUM Rank

#2,739

Top 22%

Skill Alpha (FF)

-8.5%/yr^ns

No Clear Edge

Rank #7,881 · Top 96%

vs S&P +5.2%/yr (unadj.)

Quarters Tracked

~2 years

Portfolio Concentration

Top 5: 38.5%Top 10: 67.0%Top 20: 95.7%

NVDA10.5%

GOOG8.8%

AMZN7.0%

APH6.1%

HON6.0%

ETN6.0%

META6.0%

MA5.7%

RTX5.7%

ICE5.2%

Others (39)33.0%

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

Sector Allocation

Industrials24.0%

Technology21.2%

Communication Services18.0%

Consumer Cyclical11.9%

Financial Services11.7%

Healthcare9.0%

Real Estate3.6%

Other0.5%

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

Position Sizing

Positions: 49Median: 0.28%Avg: 2.04%

0–0.5%

30(4.8%)

0.5–1%

0(0.0%)

1–3%

3(7.8%)

3–5%

6(20.5%)

5%+

10(67.0%)

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

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Portfolio Overlap

Shared: 49Unique: 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)

1.2%

1.4%

1.7%

0.9%

BANK OF AMERICA CORP /DE/

GEODE CAPITAL MANAGEMENT, LLC

1.4%

VANGUARD CAPITAL MANAGEMENT LLC

1.4%

VANGUARD PORTFOLIO MANAGEMENT LLC

1.7%

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

New8Increased0Decreased41Exited2

New Positions

SLB0.0%

+7K

DKNG0.0%

+5K

SAP0.0%

+508

ASML0.0%

+62

MSFT0.0%

+200

UNP0.0%

+140

FIS0.0%

+172

SOLS0.0%

+78

Decreased

NVDA10.5%

-125,140,953(-100%)

GOOG8.8%

-111,774,284(-100%)

AMZN7.0%

-87,634,428(-100%)

APH6.1%

-76,270,389(-99%)

MA5.7%

-72,478,493(-100%)

META6.0%

-69,542,818(-100%)

RTX5.7%

-62,119,743(-100%)

ETN6.0%

-58,859,505(-100%)

ICE5.2%

-53,767,252(-99%)

HON6.0%

-52,933,867(-99%)

Exited

-1,536,890

AAAU

-902,486

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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