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CTC

Corundum Trust Company Portfolio holdings

AUM $43.8M
1-Year Est. Return 20.07%
This Fund
S&P 500
This Quarter Est. Return
+8.24%
1 Year Est. Return
+20.07%
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
MMM icon
1
3M
MMM
$91.9B
$6.27M 13.61%
40,424
-3
-0% -$463
IJR icon
2
iShares Core S&P Small-Cap ETF
IJR
$110B
$3.81M 8.27%
32,098
-200
-0.6% -$23K
DVY icon
3
iShares Select Dividend ETF
DVY
$23.8B
$2.7M 5.86%
19,014
– –
MSFT icon
4
Microsoft
MSFT
$2.89T
$2.5M 5.43%
4,830
-112
-2% -$57.1K
IJK icon
5
iShares S&P Mid-Cap 400 Growth ETF
IJK
$10.9B
$2.09M 4.52%
21,744
– –
IVV icon
6
iShares Core S&P 500 ETF
IVV
$869B
$1.98M 4.29%
2,957
– –
IJJ icon
7
iShares S&P Mid-Cap 400 Value ETF
IJJ
$8.87B
$1.71M 3.7%
13,166
– –
AAPL icon
8
Apple
AAPL
$4.95T
$1.66M 3.61%
6,527
-13
-0.2% -$2.94K
GOOG icon
9
Alphabet (Google) Class C
GOOG
$3.99T
$1.47M 3.18%
6,027
-31
-0.5% -$6.52K
EFA icon
10
iShares MSCI EAFE ETF
EFA
$76.8B
$1.19M 2.58%
12,726
-6
-0% -$545
SKE
11
Skeena Resources
SKE
$3.37B
$1.17M 2.55%
63,750
-1,500
-2% -$24.5K
SPY icon
12
State Street SPDR S&P 500 ETF Trust
SPY
$781B
$1.08M 2.34%
1,616
-13
-0.8% -$8.33K
LLY icon
13
Eli Lilly
LLY
$1.07T
$839K 1.82%
1,100
-2
-0.2% -$1.49K
JPM icon
14
JPMorgan Chase
JPM
$947B
$784K 1.7%
2,487
-17
-0.7% -$5.06K
SOLV icon
15
Solventum
SOLV
$13.9B
$738K 1.6%
10,111
– –
VTHR icon
16
Vanguard Russell 3000 ETF
VTHR
$4.63B
$557K 1.21%
1,892
– –
CSCO icon
17
Cisco
CSCO
$452B
$533K 1.16%
7,788
-19
-0.2% -$1.29K
UNH icon
18
UnitedHealth
UNH
$379B
$518K 1.12%
1,499
-9
-0.6% -$2.72K
AYA
19
Aya Gold & Silver Inc
AYA
$2.95B
$463K 1%
40,000
– –
FNV icon
20
Franco-Nevada
FNV
$41.4B
$446K 0.97%
2,000
– –
AMZN icon
21
Amazon
AMZN
$2.49T
$376K 0.82%
1,712
-9
-0.5% -$2.04K
NEM icon
22
Newmont
NEM
$98.5B
$337K 0.73%
4,000
– –
AEM icon
23
Agnico Eagle Mines
AEM
$73B
$337K 0.73%
2,000
– –
C icon
24
Citigroup
C
$223B
$336K 0.73%
3,315
– –
BRK.B icon
25
Berkshire Hathaway Class B
BRK.B
$1.07T
$331K 0.72%
659
-7
-1% -$3.39K
1
2 3 4 5

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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.