Corundum Trust Company, Inc Portfolio Holdings

Corundum Trust Company, Inc

  • $43.9 Billion
  • Q4 2025

Corundum Trust Company, Inc has filed its 13F form on January 20, 2026 for Q4 2025 where it was disclosed a total value porftolio of $43.9 Billion distributed in 51 stocks.

Among their holdings, we can observe that their the top five positions include companies like: 3 M CO with a value of $6.27B, Ishares Core S&P Sm Cap ETF with a value of $3.62B, Ishares Tr with a value of $2.66B, Microsoft Corp with a value of $2.32B, and Ishares S&P Midcap 400 Growth with a value of $2.11B.

Examining the 13F form we can see an decrease of $2.17B in the current position value, from $46.1B to 43.9B.

Corundum Trust Company, Inc is based out at Sioux Falls, SD

Below you can find more details about Corundum Trust Company, Inc portfolio as well as his latest detailed transactions.

Portfolio value $43.9 Billion
ETFs: $14.6 Billion
Industrials: $6.59 Billion
Technology: $4.59 Billion
Basic Materials: $4.06 Billion
Healthcare: $1.94 Billion
Communication Services: $1.85 Billion
Financial Services: $1.49 Billion
Consumer Cyclical: $386 Million
Other: $0

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$91.4B
$6.27 Billion 14.27% of portfolio
39,155
Q4 2025 Reduced 3.14%
$0
$3.62 Billion 8.23% of portfolio
30,082
Q4 2025 Reduced 6.28%
$0
$2.66 Billion 6.06% of portfolio
18,872
Q4 2025 Reduced 0.75%
$3.78T
$2.32 Billion 5.28% of portfolio
4,794
Q4 2025 Reduced 0.75%
$0
$2.11 Billion 4.8% of portfolio
21,744
Q4 2024 Reduced 1.98%
$0
$2.02 Billion 4.59% of portfolio
2,943
Q4 2025 Reduced 0.47%
$1.74T
$1.85 Billion 4.2% of portfolio
5,881
Q4 2025 Reduced 2.42%
$0
$1.73 Billion 3.94% of portfolio
13,166
Q4 2024 Reduced 3.08%
$4.3T
$1.68 Billion 3.83% of portfolio
6,189
Q4 2025 Reduced 5.18%
$0
$1.57 Billion 3.58% of portfolio
257,500
Q2 2025 Added 368.18%
$1.31B
$1.51 Billion 3.44% of portfolio
63,750
Q3 2025 Reduced 2.3%
$0
$1.18 Billion 2.69% of portfolio
12,319
Q4 2025 Reduced 3.2%
$971B
$1.16 Billion 2.63% of portfolio
1,076
Q4 2025 Reduced 2.18%
Greatland Res LTD Ordinary Ful
-
$1.05 Billion 2.39% of portfolio
-
Q3 2025 New
$2.55B
$913 Million 2.08% of portfolio
-
Q2 2025 New
$0
$795 Million 1.81% of portfolio
48,000
Q3 2024 Added 11.63%
Solventum Corporation Common S
-
$779 Million 1.77% of portfolio
-
Q4 2025 Reduced 2.77%
Ngex Minerals LTD New Com
-
$653 Million 1.49% of portfolio
-
Q4 2025 New
$319B
$589 Million 1.34% of portfolio
7,652
Q4 2025 Reduced 1.75%
$0
$575 Million 1.31% of portfolio
40,000
Q2 2025 Added 166.67%
$0
$568 Million 1.29% of portfolio
1,892
Q2 2023 New
$300B
$495 Million 1.13% of portfolio
1,499
Q3 2025 Reduced 0.6%
$0
$451 Million 1.03% of portfolio
662
Q4 2025 Reduced 59.03%
$37.7B
$415 Million 0.94% of portfolio
2,000
Q3 2024 New
$69.1B
$399 Million 0.91% of portfolio
4,000
Q2 2025 New
$190B
$387 Million 0.88% of portfolio
3,315
Q2 2024 New
$2.39T
$386 Million 0.88% of portfolio
1,672
Q4 2025 Reduced 2.34%
Vizsla Silver Corp Com No Par
-
$384 Million 0.87% of portfolio
-
Q4 2025 Added 16.6%
$0
$340 Million 0.77% of portfolio
27,000
Q2 2025 Added 8.0%
$76.5B
$339 Million 0.77% of portfolio
2,000
Q1 2025 New
Evolution Mining LTD Us Listed
-
$337 Million 0.77% of portfolio
-
Q4 2024 Added 23.08%
Nthn Star Res LTD Npv
-
$328 Million 0.75% of portfolio
-
Q2 2024 New
$662B
$321 Million 0.73% of portfolio
638
Q4 2025 Reduced 3.19%
$136B
$320 Million 0.73% of portfolio
1,382
Q2 2024 Reduced 6.75%
$0
$298 Million 0.68% of portfolio
63,500
Q3 2024 Added 18.69%
$222B
$290 Million 0.66% of portfolio
500
Q2 2023 New
$33.1B
$282 Million 0.64% of portfolio
10,000
Q3 2024 New
$0
$263 Million 0.6% of portfolio
4,810
Q2 2024 New
Southern Cross Gold Consolidat
-
$232 Million 0.53% of portfolio
-
Q2 2025 Added 50.0%
Or Royalties Inc Com
-
$212 Million 0.48% of portfolio
-
Q3 2025 New
G Mining Ventures Corp New Com
-
$212 Million 0.48% of portfolio
-
Q3 2025 New
$3.16B
$200 Million 0.46% of portfolio
12,000
Q3 2024 New
Aurion Resources LTD
-
$158 Million 0.36% of portfolio
-
Q2 2024 New
Ramelius Resources LTD Us List
-
$95.7 Million 0.22% of portfolio
-
Q3 2025 New
Orogen Royalties Inc New Com
-
$94.8 Million 0.22% of portfolio
-
Q3 2025 New
Onyx Gold Corp Com
-
$82.4 Million 0.19% of portfolio
-
Q3 2025 Added 22.55%
Deep Yellow Limited Ordinary S
-
$75.8 Million 0.17% of portfolio
-
Q2 2025 Reduced 44.58%
$0
$63.9 Million 0.15% of portfolio
30,000
Q2 2025 New
Banyan Gold Corp Cl A
-
$66.5 Million 0.15% of portfolio
-
Q3 2025 New

Summary

  • Portfolio
  • No. of Stocks 51
  • Current Value $43.9 Billion
  • Prior Value $46.1 Billion
  • Filing
  • Period Q4 2025
  • Filing Date January 20, 2026
  • Form Type 13F-HR
  • Activity in Q4 2025
  • New Purchases 1 stocks
  • Additional Purchases 1 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 15 stocks
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