Corundum Trust Company, INC

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed October 22, 2024), Corundum Trust Company, INC reported 52 stock positions worth $36.3 million. Its top holding was 3M (MMM) at 15.3% of the portfolio, followed by iShares Core S&P Small-Cap E (IJR, 10.7%) and iShares Select Dividend ETF (DVY, 7.1%). Compared with Q2 2024, it opened 3 new positions, sold out of 6, added to 7 and reduced 11. The biggest buy was a new position in Franco-Nevada (FNV) and the biggest sale Apple (AAPL, shares −26%).

Most Recent 13F
Q2 2026
Location
SIOUX FALLS, SD
CIK
0001987720
Portfolio Value
$36.3M (Q3 2024)
SEC Filing
0001987720-24-000002 ↗ filed Oct 22, 2024

Holdings Value

0$10.0M$20.0M$30.0M$40.0M$50.0M Q2 2024: $34.4M Q2 2024 Q3 2024: $36.3M $36.3M Q3 2024 Q4 2024: $33.3M Q4 2024 Q1 2025: $34.7M Q1 2025 Q2 2025: $37.9M Q2 2025 Q3 2025: $46.1M Q3 2025 Q4 2025: $43.9M Q4 2025 Q1 2026: $43.8M Q1 2026 Q2 2026: $37.4M Q2 2026

Holdings 52 stocks · $36.3M

MMM 3M Co. 15.32% 40,667 $5.6M No change
IJR iShares Core S&P Small-Cap E 10.73% 33,290 $3.9M No change
DVY iShares Select Dividend ETF 7.08% 19,014 $2.6M No change
MSFT Microsoft Corp. 6.79% 5,731 $2.5M Reduce -7.8%
IJK iShares S&P Mid-Cap 400 Grow 5.62% 22,184 $2.0M No change
AAPL Apple Inc. 5.36% 8,349 $1.9M Reduce -26.2%
IVV iShares Core S&P 500 ETF 4.70% 2,957 $1.7M Reduce -17.9%
IJJ iShares S&P Mid-Cap 400 Valu 4.63% 13,584 $1.7M No change
EFA iShares MSCI Eafe ETF 3.16% 13,694 $1.1M Reduce -1.6%
LLY Eli Lilly & Co. 2.94% 1,205 $1.1M Reduce -9.9%
GOOG Alphabet Inc. Class C 2.93% 6,362 $1.1M Reduce -3.1%
SPY SS SPDR S&P 500 ETF Trust-US 2.62% 1,660 $952K No change
UNH Unitedhealth Group Inc. 2.61% 1,622 $948K Add +0.4%
SOLV Solventum Corp. 1.94% 10,111 $705K Reduce -0.1%
OGNRF Orogen Royalties Inc. 1.62% 523,500 $586K Add +4.7%
SKE Skeena Resources Ltd. 1.52% 65,250 $552K No change
JPM JPMorgan Chase & Co. 1.46% 2,512 $530K No change
VTHR Vanguard Russell 3000 1.32% 1,892 $480K No change
SILV Silvercrest Metals Inc. 1.26% 49,500 $458K Add +11.2%
WDOFF Wesdome Gold Mines Ltd. 1.24% 48,000 $451K Add +11.6%
CSCO Cisco Systems Inc. 1.15% 7,827 $417K No change
MAG Mag Silver Corp. 1.09% 28,150 $395K No change
UNP Union Pacific Corp. 0.94% 1,382 $341K No change
AMZN Amazon.com Inc. 0.89% 1,727 $322K No change
TMO Thermo Fisher Scientific Inc. 0.85% 500 $309K No change
BRK.B Berkshire Hathaway Inc. Class B 0.85% 671 $309K No change
TGT Target Corp. 0.79% 1,837 $286K Reduce -16.8%
UGI Ugi Corp. 0.78% 11,373 $285K No change
GREATLAND GOLD 0.76% 3,000,000 $276K No change
FNV Franco-Nevada Corp. 0.68% 2,000 $249K New
MRK Merck & Co. Inc. 0.62% 1,982 $225K No change
EEM iShares MSCI Emerging Market 0.61% 4,810 $221K No change
C Citigroup Inc. 0.57% 3,315 $208K No change
NGEX MINERALS LTD 0.56% 25,100 $202K Add +67.3%
NESRF Northern Star Resources Ltd. filed as NTHN STAR RES LTD NPV 0.55% 18,500 $199K No change
RUPRF Rupert Resources Ltd. 0.52% 63,500 $190K Add +18.7%
OR Osisko Gold Royalties Ltd. 0.51% 10,000 $185K Reduce -37.5%
DYLLF Deep Yellow Ltd. 0.41% 162,162 $150K No change
VZLA Vizsla Silver Corp. 0.32% 60,250 $116K No change
CAHPF Evolution Mining Ltd. 0.27% 32,500 $98K No change
KGC Kinross Gold Corp. 0.26% 10,000 $94K New
SNWGF Snowline Gold Corp. 0.23% 20,000 $83K Add +33.3%
AG First Majestic Silver Corp. 0.20% 12,000 $72K New
DGMLF DE Grey Mining Ltd. 0.20% 75,000 $72K No change
AIRRF Aurion Resources Ltd. 0.19% 156,125 $70K No change
IAUX I-80 Gold Corp. 0.17% 52,000 $60K Reduce -27.8%
GLGDF Gogold Resources Inc. 0.06% 22,500 $21K Reduce -47.1%
BYAGF Banyan Gold Corp. 0.04% 100,000 $16K No change
WLFFF Wolfden Resources Corp. 0.02% 398,802 $8K No change
BEMETALS CORP COM 0.02% 136,567 $8K No change
FSVEF Firestone Ventures Inc. 0.02% 250,000 $7K No change
BRKCF Barksdale Resources Corp. 0.02% 50,000 $6K No change

Portfolio Sells Q2 2024 → Q3 2024

AAPL Apple Inc. Reduce -26.2% 5.36% −1.57
FLMMF Filo Corp. Sold out 0.00% −1.53
MSFT Microsoft Corp. Reduce -7.8% 6.79% −1.29
IVV iShares Core S&P 500 ETF Reduce -17.9% 4.70% −1.04
LLY Eli Lilly & Co. Reduce -9.9% 2.94% −0.58
GOOG Alphabet Inc. Class C Reduce -3.1% 2.93% −0.57
CGMLF Chalice Mining Ltd. Sold out 0.00% −0.40
OR Osisko Gold Royalties Ltd. Reduce -37.5% 0.51% −0.21
FSM Fortuna Mining Corp. Sold out 0.00% −0.21
SLSR Solaris Resources Inc. Sold out 0.00% −0.19
TGT Target Corp. Reduce -16.8% 0.79% −0.16
DC Dakota Gold Corp. Sold out 0.00% −0.11
GLGDF Gogold Resources Inc. Reduce -47.1% 0.06% −0.06
IAUX I-80 Gold Corp. Reduce -27.8% 0.17% −0.06
EFA iShares MSCI Eafe ETF Reduce -1.6% 3.16% −0.01
VIZSLA ROYALTIES CORP COM Sold out 0.00% 0.00
SOLV Solventum Corp. Reduce -0.1% 1.94% +0.39

Portfolio Buys Q2 2024 → Q3 2024

FNV Franco-Nevada Corp. New 0.68% +0.68
OGNRF Orogen Royalties Inc. Add +4.7% 1.62% +0.43
NGEX MINERALS LTD Add +67.3% 0.56% +0.30
KGC Kinross Gold Corp. New 0.26% +0.26
WDOFF Wesdome Gold Mines Ltd. Add +11.6% 1.24% +0.24
UNH Unitedhealth Group Inc. Add +0.4% 2.61% +0.22
SILV Silvercrest Metals Inc. Add +11.2% 1.26% +0.21
AG First Majestic Silver Corp. New 0.20% +0.20
RUPRF Rupert Resources Ltd. Add +18.7% 0.52% +0.10
SNWGF Snowline Gold Corp. Add +33.3% 0.23% +0.06

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 28$37.4MMMM, IJR, DVY, IJK, IVV
Q1 2026 48$43.8MMMM, IJR, DVY, IJK, IVV
Q4 2025 51$43.9MMMM, IJR, DVY, MSFT, IJK
Q3 2025 127$46.1MMMM, IJR, DVY, MSFT, IJK
Q2 2025 50$37.9MMMM, IJR, DVY, MSFT, IJK
Q1 2025 50$34.7MMMM, IJR, DVY, MSFT, IJK
Q4 2024 49$33.3MMMM, IJR, DVY, MSFT, IJK
Q3 2024 52$36.3MMMM, IJR, DVY, MSFT, IJK
Q2 2024 55$34.4MMMM, IJR, MSFT, AAPL, DVY