Corundum Trust Company, Inc Portfolio Holdings

Corundum Trust Company, Inc

  • $46.1 Billion
  • Q3 2025

Corundum Trust Company, Inc has filed its 13F form on October 24, 2025 for Q3 2025 where it was disclosed a total value porftolio of $46.1 Billion distributed in 127 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 $3.81B, Ishares Tr with a value of $2.7B, Microsoft Corp with a value of $2.5B, and Ishares S&P Midcap 400 Growth with a value of $2.09B.

Examining the 13F form we can see an increase of $8.23B in the current position value, from $37.9B to 46.1B.

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 $46.1 Billion
ETFs: $16.3 Billion
Industrials: $6.94 Billion
Technology: $4.9 Billion
Basic Materials: $3.87 Billion
Healthcare: $2 Billion
Communication Services: $1.89 Billion
Financial Services: $1.74 Billion
Consumer Cyclical: $551 Million
Other: $724 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$91.4B
$6.27 Billion 13.61% of portfolio
40,424
Q3 2025 Reduced 0.01%
$0
$3.81 Billion 8.27% of portfolio
32,098
Q3 2025 Reduced 0.62%
$0
$2.7 Billion 5.86% of portfolio
19,014
Q2 2024 Reduced 16.51%
$3.78T
$2.5 Billion 5.43% of portfolio
4,830
Q3 2025 Reduced 2.27%
$0
$2.09 Billion 4.52% of portfolio
21,744
Q4 2024 Reduced 1.98%
$0
$1.98 Billion 4.29% of portfolio
2,957
Q3 2024 Reduced 17.95%
$0
$1.71 Billion 3.7% of portfolio
13,166
Q4 2024 Reduced 3.08%
$4.3T
$1.66 Billion 3.6% of portfolio
6,527
Q3 2025 Reduced 0.2%
$1.74T
$1.47 Billion 3.18% of portfolio
6,027
Q3 2025 Reduced 0.51%
$0
$1.19 Billion 2.58% of portfolio
12,726
Q3 2025 Reduced 0.05%
$1.31B
$1.17 Billion 2.55% of portfolio
63,750
Q3 2025 Reduced 2.3%
$0
$1.08 Billion 2.34% of portfolio
1,616
Q3 2025 Reduced 0.8%
$0
$957 Million 2.08% of portfolio
257,500
Q2 2025 Added 368.18%
$971B
$839 Million 1.82% of portfolio
1,100
Q3 2025 Reduced 0.18%
$881B
$784 Million 1.7% of portfolio
2,487
Q3 2025 Reduced 0.68%
$0
$748 Million 1.62% of portfolio
48,000
Q3 2024 Added 11.63%
Greatland Res LTD Ordinary Ful
-
$718 Million 1.56% of portfolio
-
Q3 2025 New
$2.55B
$712 Million 1.54% of portfolio
-
Q2 2025 New
Ngex Minerals LTD Com
-
$653 Million 1.42% of portfolio
-
Q2 2025 Added 16.67%
$0
$557 Million 1.21% of portfolio
1,892
Q2 2023 New
$319B
$533 Million 1.16% of portfolio
7,788
Q3 2025 Reduced 0.24%
$300B
$518 Million 1.12% of portfolio
1,499
Q3 2025 Reduced 0.6%
$0
$463 Million 1.0% of portfolio
40,000
Q2 2025 Added 166.67%
$37.7B
$446 Million 0.97% of portfolio
2,000
Q3 2024 New
$2.39T
$376 Million 0.82% of portfolio
1,712
Q3 2025 Reduced 0.52%
$76.5B
$337 Million 0.73% of portfolio
2,000
Q1 2025 New
$69.1B
$337 Million 0.73% of portfolio
4,000
Q2 2025 New
$190B
$336 Million 0.73% of portfolio
3,315
Q2 2024 New
$662B
$331 Million 0.72% of portfolio
659
Q3 2025 Reduced 1.05%
$7.29B
$325 Million 0.71% of portfolio
9,773
Q2 2025 Reduced 14.07%
$136B
$327 Million 0.71% of portfolio
1,382
Q2 2024 Reduced 6.75%
Nthn Star Res LTD Npv
-
$291 Million 0.63% of portfolio
-
Q2 2024 New
Evolution Mining LTD Us Listed
-
$284 Million 0.62% of portfolio
-
Q4 2024 Added 23.08%
$0
$257 Million 0.56% of portfolio
4,810
Q2 2024 New
Vizsla Silver Corp Com No Par
-
$260 Million 0.56% of portfolio
-
Q4 2024 New
$0
$260 Million 0.56% of portfolio
63,500
Q3 2024 Added 18.69%
$33.1B
$249 Million 0.54% of portfolio
10,000
Q3 2024 New
$222B
$243 Million 0.53% of portfolio
500
Q2 2023 New
Or Royalties Inc Com
-
$240 Million 0.52% of portfolio
-
Q3 2025 New
$0
$216 Million 0.47% of portfolio
27,000
Q2 2025 Added 8.0%
$114B
$191 Million 0.41% of portfolio
886
Q3 2025 New
$0
$180 Million 0.39% of portfolio
3,325
Q3 2025 New
$4.7B
$170 Million 0.37% of portfolio
5,802
Q3 2025 New
$235B
$165 Million 0.36% of portfolio
1,963
Q3 2025 New
$41.4B
$164 Million 0.36% of portfolio
1,829
Q3 2025 New
Southern Cross Gold Consolidat
-
$160 Million 0.35% of portfolio
-
Q2 2025 Added 50.0%
$193B
$154 Million 0.33% of portfolio
1,343
Q3 2025 New
$3.16B
$147 Million 0.32% of portfolio
12,000
Q3 2024 New
$120B
$149 Million 0.32% of portfolio
4,744
Q3 2025 New

Summary

  • Portfolio
  • No. of Stocks 127
  • Current Value $46.1 Billion
  • Prior Value $37.9 Billion
  • Filing
  • Period Q3 2025
  • Filing Date October 24, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 80 stocks
  • Additional Purchases 1 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 14 stocks
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