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Corundum Trust Company Portfolio holdings

AUM $37.4M
1-Year Est. Return 28.82%
This Fund
S&P 500
This Quarter Est. Return
+8.24%
1 Year Est. Return
+28.82%
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$46.1M
AUM Growth
+$8.23M
Cap. Flow
+$3.99M
Cap. Flow %
8.65%
Top 10 Hldgs %
55.05%
Holding
130
New
80
Increased
1
Reduced
14
Closed
3

Top Buys

Rank Stock Value
1
BA icon
Boeing
BA
+$200K
2
OR icon
OR Royalties Inc
OR
+$187K
3
TGT icon
Target
TGT
+$180K
4
VWO icon
Vanguard FTSE Emerging Markets ETF
VWO
+$171K
5
MRK icon
Merck
MRK
+$162K

Top Sells

Rank Stock Value
1
GLOV
AHPC Holdings Inc
GLOV
+$708K
2
MSFT icon
Microsoft
MSFT
+$57.1K
3
SKE
Skeena Resources
SKE
+$24.5K
4
IJR icon
iShares Core S&P Small-Cap ETF
IJR
+$23K
5
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$8.33K

Sector Composition

Rank Sector Weight
1 Industrials 15.03%
2 Technology 10.67%
3 Materials 9.03%
4 Healthcare 5.93%
5 Communication Services 4.1%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LMT icon
101
Lockheed Martin
LMT
$136B
$5.99K 0.01%
+12
New +$5.45K
OGN icon
102
Organon & Co
OGN
$3.57B
$1.36K ﹤0.01%
+127
New +$1.25K
VTRS icon
103
Viatris
VTRS
$18.9B
$238 ﹤0.01%
+24
New +$234
GLOV
104
DELISTED
AHPC Holdings Inc
GLOV
– –
-151,250
Closed -$708K
1 2 3 4
5

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RH
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ICP
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BAM
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Corundum Trust Company's Q3 2025 Portfolio in Review

As of Q3 2025, Corundum Trust Company held 130 positions worth $46.1M, up 22% from $37.9M the previous quarter. Its ten largest holdings account for 55% of the portfolio.

Corundum Trust Company deployed $3.99M of net new capital in Q3 2025, opening 80 new positions and adding to 1 existing holding. Its largest new stake was Boeing: 886 shares worth $191K.

By sector, the portfolio is most concentrated in Industrials at 15% of assets, down from 17% a quarter earlier, followed by Technology and Materials.

On the sell side, the largest reduction was Microsoft, an estimated $57.1K trimmed.

  • Corundum Trust Company's largest Q3 2025 buy was Boeing: 886 shares worth $191K.
  • Corundum Trust Company's biggest Q3 2025 reduction was Microsoft, cutting an estimated $57.1K.
  • Corundum Trust Company fully exited AHPC Holdings Inc in Q3 2025, selling an estimated $708K.
  • Corundum Trust Company's ten largest holdings make up 55% of its $46.1M portfolio in Q3 2025.
  • Corundum Trust Company opened 80 new positions and closed 3 in Q3 2025.
  • Corundum Trust Company's portfolio value rose 22% quarter-over-quarter to $46.1M.

Based on Corundum Trust Company's 13F filing for Q3 2025, filed 24 Oct 2025.