Corundum Trust Company, INC

CIK 0001987720 · Q2 2026

13F Equity AUM

$37.4M

-14.5% QoQ

Positions

-20 QoQ

AUM Rank

#8,322

Top 95%

Skill Alpha (FF)

+0.4%/yr^ns

No Clear Edge

Rank #2,369 · Top 29%

vs S&P +0.8%/yr (unadj.)

Quarters Tracked

~2 years

Portfolio Concentration

Top 5: 50.9%Top 10: 74.4%Top 20: 93.8%

MMM17.0%

IJR12.4%

DVY7.9%

IJK7.0%

IVV6.6%

IJJ5.2%

AAPL5.0%

GOOG5.0%

MSFT4.8%

EFA3.5%

Others (18)25.6%

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

Sector Allocation

Financial Services52.5%

Industrials18.5%

Technology12.3%

Healthcare8.5%

Communication Services5.0%

Other3.2%

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

Position Sizing

Positions: 28Median: 2.09%Avg: 3.57%

0–0.5%

0(0.0%)

0.5–1%

7(5.2%)

1–3%

10(16.9%)

3–5%

3(11.8%)

5%+

8(66.1%)

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

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Portfolio Overlap

Shared: 0Unique: 28vs 20 funds

0%Low

Fund positions

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.

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Position Changes This Quarter

New1Increased2Decreased3Exited21

New Positions

BA0.6%

+958

Increased

EFA3.5%

+5(+0%)

STATE STREET SPDR S&…2.5%

+1(+0%)

Decreased

IJR12.4%

-207(-1%)

DVY7.9%

-32(-0%)

GOOG5.0%

-12(-0%)

Exited

SKEENA RESOURCES LIM…

-55,250

DSV

-247,500

GREATLAND RES LTD OR…

-141,250

LUG

-11,000

WESDOME GOLD MINES L…

-38,000

AYA GOLD & SILVE…

-40,000

NGEX MINERALS LTD NE…

-32,500

ISHARES S AND P/TSX …

-28,000

FNV

-2,000

NEM

-4,000

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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