Corundum Trust Company, INC

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed July 24, 2024), Corundum Trust Company, INC reported 55 stock positions worth $34.4 million. Its top holding was 3M (MMM) at 12.1% of the portfolio, followed by iShares Core S&P Small-Cap E (IJR, 10.3%) and Microsoft (MSFT, 8.1%).

Most Recent 13F
Q2 2026
Location
SIOUX FALLS, SD
CIK
0001987720
Portfolio Value
$34.4M (Q2 2024)
SEC Filing
0001987720-24-000001 ↗ filed Jul 24, 2024

Holdings Value

0$10.0M$20.0M$30.0M$40.0M$50.0M Q2 2024: $34.4M $34.4M Q2 2024 Q3 2024: $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 55 stocks · $34.4M

MMM 3M Co. 12.09% 40,667 $4.2M —
IJR iShares Core S&P Small-Cap E 10.33% 33,290 $3.6M —
MSFT Microsoft Corp. 8.08% 6,219 $2.8M —
AAPL Apple Inc. 6.93% 11,307 $2.4M —
DVY iShares Select Dividend ETF 6.69% 19,014 $2.3M —
IVV iShares Core S&P 500 ETF 5.74% 3,604 $2.0M —
IJK iShares S&P Mid-Cap 400 Grow 5.68% 22,184 $2.0M —
IJJ iShares S&P Mid-Cap 400 Valu 4.48% 13,584 $1.5M —
LLY Eli Lilly & Co. 3.52% 1,338 $1.2M —
GOOG Alphabet Inc. Class C 3.50% 6,568 $1.2M —
EFA iShares MSCI Eafe ETF 3.17% 13,914 $1.1M —
SPY SS SPDR S&P 500 ETF Trust-US 2.63% 1,660 $903K —
UNH Unitedhealth Group Inc. 2.39% 1,616 $823K —
SOLV Solventum Corp. 1.56% 10,116 $535K —
FLMMF Filo Corp. 1.53% 28,850 $526K —
JPM JPMorgan Chase & Co. 1.48% 2,512 $508K —
VTHR Vanguard Russell 3000 1.32% 1,892 $453K —
OGNRF Orogen Royalties Inc. 1.18% 500,000 $407K —
CSCO Cisco Systems Inc. 1.08% 7,827 $372K —
SILV Silvercrest Metals Inc. 1.05% 44,500 $363K —
SKE Skeena Resources Ltd. 1.02% 65,250 $350K —
WDOFF Wesdome Gold Mines Ltd. 1.00% 43,000 $345K —
AMZN Amazon.com Inc. 0.97% 1,727 $334K —
MAG Mag Silver Corp. 0.96% 28,150 $329K —
TGT Target Corp. 0.95% 2,209 $327K —
UNP Union Pacific Corp. 0.91% 1,382 $313K —
TMO Thermo Fisher Scientific Inc. 0.80% 500 $277K —
BRK.B Berkshire Hathaway Inc. Class B 0.79% 671 $273K —
GREATLAND GOLD 0.77% 3,000,000 $265K —
UGI Ugi Corp. 0.76% 11,373 $260K —
OR Osisko Gold Royalties Ltd. 0.72% 16,000 $249K —
MRK Merck & Co. Inc. 0.71% 1,982 $245K —
C Citigroup Inc. 0.61% 3,315 $210K —
EEM iShares MSCI Emerging Market 0.60% 4,810 $205K —
NESRF Northern Star Resources Ltd. filed as NTHN STAR RES LTD NPV 0.46% 18,500 $158K —
RUPRF Rupert Resources Ltd. 0.42% 53,500 $144K —
DYLLF Deep Yellow Ltd. 0.41% 162,162 $142K —
CGMLF Chalice Mining Ltd. 0.40% 150,000 $138K —
VZLA Vizsla Silver Corp. 0.31% 60,250 $108K —
NGEX MINERALS LTD 0.26% 15,000 $89K —
IAUX I-80 Gold Corp. 0.23% 72,000 $78K —
CAHPF Evolution Mining Ltd. 0.22% 32,500 $74K —
FSM Fortuna Mining Corp. 0.21% 15,000 $73K —
AIRRF Aurion Resources Ltd. 0.19% 156,125 $66K —
SLSR Solaris Resources Inc. 0.19% 23,000 $64K —
SNWGF Snowline Gold Corp. 0.17% 15,000 $59K —
DGMLF DE Grey Mining Ltd. 0.17% 75,000 $57K —
GLGDF Gogold Resources Inc. 0.12% 42,500 $41K —
DC Dakota Gold Corp. 0.11% 15,000 $38K —
BYAGF Banyan Gold Corp. 0.05% 100,000 $17K —
BEMETALS CORP COM 0.02% 136,567 $8K —
WLFFF Wolfden Resources Corp. 0.02% 398,802 $7K —
FSVEF Firestone Ventures Inc. 0.02% 250,000 $5K —
BRKCF Barksdale Resources Corp. 0.02% 50,000 $5K —
VIZSLA ROYALTIES CORP COM 0.00% 20,083 $0 —

Portfolio Sells Q2 2024

No earlier filing to compare with.

Portfolio Buys Q2 2024

No earlier filing to compare with.

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