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Corundum Trust Company, INC

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13F filer, CIK 1987720, SIOUX FALLS, SD

Corundum Trust Company, INC reported $34,697,973 across 50 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-04-24. Its ten largest share positions make up 64.63% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001987720-25-000004

Period
2025-03-31
Reported value
$34.7M
Holdings
50
Top 10 weight
64.63%
New
5
Sold out
4

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SPYadded+969$542K
UGInew+11,373$376K
AEMnew+2,000$217K
IJRadded+1,800$188K
DSVSFnew+55,000$81K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
AAPLreduced-1,195-$265K
TGTexited-1,768-$239K
MSFTreduced-466-$175K
SOUTHERN CROSS GOLD LTD ORD…exited-20,000-$54K
GOOGreduced-255-$39.8K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001987720-25-000004, largest first. % of portfolio is the value over $34,697,973, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
MMM3M COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 40,667 shares; 2024Q4: 40,503 shares; 2025Q1: 40,429 shares 40,429$5.94M17.11%-74Timeline
IJRISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 33,290 shares; 2024Q4: 31,490 shares; 2025Q1: 33,290 shares 33,290$3.48M10.03%+1,800Timeline
DVYISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 19,014 shares; 2024Q4: 19,014 shares; 2025Q1: 19,014 shares 19,014$2.55M7.36%0Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,731 shares; 2024Q4: 5,692 shares; 2025Q1: 5,226 shares 5,226$1.96M5.65%-466Timeline
IJKISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 22,184 shares; 2024Q4: 21,744 shares; 2025Q1: 21,744 shares 21,744$1.81M5.22%0Timeline
IVVISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,957 shares; 2024Q4: 2,957 shares; 2025Q1: 2,957 shares 2,957$1.66M4.79%0Timeline
IJJISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 13,584 shares; 2024Q4: 13,166 shares; 2025Q1: 13,166 shares 13,166$1.58M4.54%0Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,349 shares; 2024Q4: 7,741 shares; 2025Q1: 6,546 shares 6,546$1.45M4.19%-1,195Timeline
EFAISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 13,694 shares; 2024Q4: 12,618 shares; 2025Q1: 12,735 shares 12,735$1.04M3%+117Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,362 shares; 2024Q4: 6,314 shares; 2025Q1: 6,059 shares 6,059$947K2.73%-255Timeline
LLYELI LILLY & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,205 shares; 2024Q4: 1,178 shares; 2025Q1: 1,145 shares 1,145$946K2.73%-33Timeline
SPYSTATE STR SPDR S&P 500 ETF TQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,660 shares; 2024Q4: 662 shares; 2025Q1: 1,631 shares 1,631$912K2.63%+969Timeline
UNHUNITEDHEALTH GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,622 shares; 2024Q4: 1,604 shares; 2025Q1: 1,620 shares 1,620$848K2.45%+16Timeline
SOLVSOLVENTUM CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 10,111 shares; 2024Q4: 10,111 shares; 2025Q1: 10,111 shares 10,111$769K2.22%0Timeline
SKESKEENA RES LTD NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 65,250 shares; 2024Q4: 65,250 shares; 2025Q1: 65,250 shares 65,250$658K1.9%0Timeline
JPMJPMORGAN CHASE & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,512 shares; 2024Q4: 2,457 shares; 2025Q1: 2,505 shares 2,505$614K1.77%+48Timeline
WDOFFWESDOME GOLD MINES LTD (CANADAQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 48,000 shares; 2024Q4: 48,000 shares; 2025Q1: 48,000 shares 48,000$572K1.65%0Timeline
OROGEN ROYALTIES INC COMOROGEN ROYALTIES INC COMQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 523,500 shares; 2024Q4: 523,500 shares; 2025Q1: 523,500 shares 523,500$565K1.63%0
CSCOCISCO SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,827 shares; 2024Q4: 7,669 shares; 2025Q1: 7,808 shares 7,808$482K1.39%+139Timeline
VTHRVANGUARD SCOTTSDALE FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,892 shares; 2024Q4: 1,892 shares; 2025Q1: 1,892 shares 1,892$467K1.35%0Timeline
GREATLAND GOLDGREATLAND GOLDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,000,000 shares; 2024Q4: 3,000,000 shares; 2025Q1: 3,000,000 shares 3,000,000$464K1.34%0
MAG SILVER CORPMAG SILVER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 28,150 shares; 2024Q4: 28,150 shares; 2025Q1: 28,150 shares 28,150$430K1.24%0
UGIUGI CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,373 shares; 2024Q4: not reported; 2025Q1: 11,373 shares 11,373$376K1.08%newTimeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 671 shares; 2024Q4: 643 shares; 2025Q1: 667 shares 667$355K1.02%+24Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,727 shares; 2024Q4: 1,679 shares; 2025Q1: 1,722 shares 1,722$328K0.94%+43Timeline
UNPUNION PAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,382 shares; 2024Q4: 1,382 shares; 2025Q1: 1,382 shares 1,382$326K0.94%0Timeline
FNVFRANCO NEV CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,000 shares; 2024Q4: 2,000 shares; 2025Q1: 2,000 shares 2,000$315K0.91%0Timeline
NGEX MINERALS LTD COMNGEX MINERALS LTD COMQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 25,100 shares; 2024Q4: 30,000 shares; 2025Q1: 30,000 shares 30,000$273K0.79%0
TMOTHERMO FISHER SCIENTIFIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 500 shares; 2024Q4: 500 shares; 2025Q1: 500 shares 500$249K0.72%0Timeline
CCITIGROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,315 shares; 2024Q4: 3,315 shares; 2025Q1: 3,315 shares 3,315$235K0.68%0Timeline
AEMAGNICO EAGLE MINES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 2,000 shares 2,000$217K0.62%newTimeline
NORTHERN STAR RESOURCES LTD…NORTHERN STAR RESOURCES LTD SHSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 18,500 shares; 2024Q4: 18,500 shares; 2025Q1: 18,500 shares 18,500$214K0.62%0
EEMISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,810 shares; 2024Q4: 4,810 shares; 2025Q1: 4,810 shares 4,810$210K0.61%0Timeline
EVOLUTION MINING LTD US LIS…EVOLUTION MINING LTD US LISTEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 32,500 shares; 2024Q4: 40,000 shares; 2025Q1: 40,000 shares 40,000$184K0.53%0
RUPRFRUPERT RES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 63,500 shares; 2024Q4: 63,500 shares; 2025Q1: 63,500 shares 63,500$182K0.53%0Timeline
SNWGFSNOWLINE GOLD CORP COM SHS (CAQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 20,000 shares; 2024Q4: 25,000 shares; 2025Q1: 25,000 shares 25,000$150K0.43%0Timeline
VZLAVIZSLA SILVER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 60,250 shares; 2024Q4: 60,250 shares; 2025Q1: 60,250 shares 60,250$137K0.39%0Timeline
KGCKINROSS GOLD CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 10,000 shares; 2024Q4: 10,000 shares; 2025Q1: 10,000 shares 10,000$126K0.36%0Timeline
AYAAYA GOLD & SILVER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 15,000 shares; 2025Q1: 15,000 shares 15,000$116K0.33%0Timeline
DSVSFDISCOVERY SILVER CORP COM (CANQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 55,000 shares 55,000$81K0.23%newTimeline
AGFIRST MAJESTIC SILVER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,000 shares; 2024Q4: 12,000 shares; 2025Q1: 12,000 shares 12,000$80.3K0.23%0Timeline
AIRRFAURION RES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 156,125 shares; 2024Q4: 156,125 shares; 2025Q1: 156,125 shares 156,125$76.5K0.22%0Timeline
DEEP YELLOW LIMITED ORDINAR…DEEP YELLOW LIMITED ORDINARY SQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 162,162 shares; 2024Q4: 162,162 shares; 2025Q1: 112,162 shares 112,162$72.9K0.21%-50,000
PDIYFPREDICTIVE DISCOVERY LTD,Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 300,000 shares; 2025Q1: 300,000 shares 300,000$62.3K0.18%0Timeline
SXGCFSOUTHERN CROSS GOLD CONS LTD CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 20,000 shares 20,000$60.1K0.17%newTimeline
GUYGFG2 GOLDFIELDS INC COM (CANADA)Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 25,000 shares 25,000$56.1K0.16%newTimeline
SPARTAN RESOURCES LTD ORDIN…SPARTAN RESOURCES LTD ORDINARYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 40,000 shares; 2025Q1: 40,000 shares 40,000$38K0.11%0
WOLFDEN RES CORP COMWOLFDEN RES CORP COMQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 398,802 shares; 2024Q4: 398,802 shares; 2025Q1: 398,802 shares 398,802$17.9K0.05%0
BMTLFBEMETALS CORP (CANADA)Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 136,567 shares; 2024Q4: 132,567 shares; 2025Q1: 132,567 shares 132,567$4.48K0.01%0Timeline
BARKSDALE RESOURCES CORP COMBARKSDALE RESOURCES CORP COMQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 50,000 shares; 2024Q4: 50,000 shares; 2025Q1: 50,000 shares 50,000$3.56K0.01%0

Sold out in Q1 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
TGTTARGET CORP1,768$239Kshares
SOUTHERN CROSS GOLD LTD ORD…SOUTHERN CROSS GOLD LTD ORDINA20,000$54Kshares
ERLFFENTREE RES LTD COM (CAN)15,000$25.4Kshares
BYAGFBANYAN GOLD CORP100,000$12.9Kshares

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001987720-25-000004 base2025-04-24acceptance time not in the bulk data set