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Corundum Trust Company, INC

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13F filer, CIK 1987720, SIOUX FALLS, SD

Corundum Trust Company, INC reported $43,794,214 across 48 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-04-15. Its ten largest share positions make up 57.77% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001987720-26-000002

Period
2026-03-31
Reported value
$43.8M
Holdings
48
Top 10 weight
57.77%
New
5
Sold out
8

Largest buys vs the previous quarter

SecurityShares changeApprox. value
ISHARES S AND P/TSX CAPPED …new+28,000$547K
SPYadded+570$371K
UGInew+9,773$356K
IVWnew+3,110$352K
IVEnew+1,130$239K

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
SKEreduced-8,500-$253K
ORexited-6,000-$212K
WDOFFreduced-10,000-$178K
GOOGreduced-556-$159K
AIRRFexited-156,125-$158K

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 2026

Share positions as resolved from 13F-HR 0001987720-26-000002, largest first. % of portfolio is the value over $43,794,214, 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; 2024Q2: restricted; 2024Q3: 40,667 shares; 2024Q4: 40,503 shares; 2025Q1: 40,429 shares; 2025Q2: 40,427 shares; 2025Q3: 40,424 shares; 2025Q4: 39,155 shares; 2026Q1: 39,280 shares 39,280$5.7M13.03%+125Timeline
IJRISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 33,290 shares; 2024Q4: 31,490 shares; 2025Q1: 33,290 shares; 2025Q2: 32,298 shares; 2025Q3: 32,098 shares; 2025Q4: 30,082 shares; 2026Q1: 31,502 shares 31,502$3.92M8.94%+1,420Timeline
DVYISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 19,014 shares; 2024Q4: 19,014 shares; 2025Q1: 19,014 shares; 2025Q2: 19,014 shares; 2025Q3: 19,014 shares; 2025Q4: 18,872 shares; 2026Q1: 18,872 shares 18,872$2.86M6.52%0Timeline
IJKISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 22,184 shares; 2024Q4: 21,744 shares; 2025Q1: 21,744 shares; 2025Q2: 21,744 shares; 2025Q3: 21,744 shares; 2025Q4: 21,744 shares; 2026Q1: 22,354 shares 22,354$2.25M5.14%+610Timeline
IVVISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,957 shares; 2024Q4: 2,957 shares; 2025Q1: 2,957 shares; 2025Q2: 2,957 shares; 2025Q3: 2,957 shares; 2025Q4: 2,943 shares; 2026Q1: 3,306 shares 3,306$2.16M4.93%+363Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 5,731 shares; 2024Q4: 5,692 shares; 2025Q1: 5,226 shares; 2025Q2: 4,942 shares; 2025Q3: 4,830 shares; 2025Q4: 4,794 shares; 2026Q1: 4,823 shares 4,823$1.79M4.08%+29Timeline
IJJISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 13,584 shares; 2024Q4: 13,166 shares; 2025Q1: 13,166 shares; 2025Q2: 13,166 shares; 2025Q3: 13,166 shares; 2025Q4: 13,166 shares; 2026Q1: 13,166 shares 13,166$1.74M3.98%0Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 8,349 shares; 2024Q4: 7,741 shares; 2025Q1: 6,546 shares; 2025Q2: 6,540 shares; 2025Q3: 6,527 shares; 2025Q4: 6,189 shares; 2026Q1: 6,512 shares 6,512$1.65M3.77%+323Timeline
SKESKEENA RES LTD NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 65,250 shares; 2024Q4: 65,250 shares; 2025Q1: 65,250 shares; 2025Q2: 65,250 shares; 2025Q3: 63,750 shares; 2025Q4: 63,750 shares; 2026Q1: 55,250 shares 55,250$1.64M3.75%-8,500Timeline
DSVSFDISCOVERY SILVER CORP COM (CANQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 55,000 shares; 2025Q2: 257,500 shares; 2025Q3: 257,500 shares; 2025Q4: 257,500 shares; 2026Q1: 247,500 shares 247,500$1.59M3.62%-10,000Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 6,362 shares; 2024Q4: 6,314 shares; 2025Q1: 6,059 shares; 2025Q2: 6,058 shares; 2025Q3: 6,027 shares; 2025Q4: 5,881 shares; 2026Q1: 5,325 shares 5,325$1.53M3.49%-556Timeline
EFAISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 13,694 shares; 2024Q4: 12,618 shares; 2025Q1: 12,735 shares; 2025Q2: 12,732 shares; 2025Q3: 12,726 shares; 2025Q4: 12,319 shares; 2026Q1: 12,651 shares 12,651$1.23M2.81%+332Timeline
GREATLAND RES LTD ORDINARY …GREATLAND RES LTD ORDINARY FULQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 151,250 shares; 2025Q4: 151,250 shares; 2026Q1: 141,250 shares 141,250$1.12M2.55%-10,000
LLYELI LILLY & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,205 shares; 2024Q4: 1,178 shares; 2025Q1: 1,145 shares; 2025Q2: 1,102 shares; 2025Q3: 1,100 shares; 2025Q4: 1,076 shares; 2026Q1: 1,095 shares 1,095$1.01M2.3%+19Timeline
LUGDFLUNDIN GOLD INC (CANADA)Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 11,000 shares; 2025Q3: 11,000 shares; 2025Q4: 11,000 shares; 2026Q1: 11,000 shares 11,000$838K1.91%0Timeline
SPYSTATE STR SPDR S&P 500 ETF TQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,660 shares; 2024Q4: 662 shares; 2025Q1: 1,631 shares; 2025Q2: 1,629 shares; 2025Q3: 1,616 shares; 2025Q4: 662 shares; 2026Q1: 1,232 shares 1,232$801K1.83%+570Timeline
JPMJPMORGAN CHASE & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,512 shares; 2024Q4: 2,457 shares; 2025Q1: 2,505 shares; 2025Q2: 2,504 shares; 2025Q3: 2,487 shares; 2025Q4: 2,442 shares; 2026Q1: 2,476 shares 2,476$728K1.66%+34Timeline
WDOFFWESDOME GOLD MINES LTD (CANADAQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 48,000 shares; 2024Q4: 48,000 shares; 2025Q1: 48,000 shares; 2025Q2: 48,000 shares; 2025Q3: 48,000 shares; 2025Q4: 48,000 shares; 2026Q1: 38,000 shares 38,000$677K1.55%-10,000Timeline
SOLVSOLVENTUM CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 10,111 shares; 2024Q4: 10,111 shares; 2025Q1: 10,111 shares; 2025Q2: 10,111 shares; 2025Q3: 10,111 shares; 2025Q4: 9,831 shares; 2026Q1: 9,831 shares 9,831$642K1.47%0Timeline
AYAAYA GOLD & SILVER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 15,000 shares; 2025Q1: 15,000 shares; 2025Q2: 40,000 shares; 2025Q3: 40,000 shares; 2025Q4: 40,000 shares; 2026Q1: 40,000 shares 40,000$612K1.4%0Timeline
CSCOCISCO SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 7,827 shares; 2024Q4: 7,669 shares; 2025Q1: 7,808 shares; 2025Q2: 7,807 shares; 2025Q3: 7,788 shares; 2025Q4: 7,652 shares; 2026Q1: 7,756 shares 7,756$602K1.37%+104Timeline
NGXXFNGEX MINERALS LTD NEW COM (CANQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 35,000 shares; 2026Q1: 32,500 shares 32,500$587K1.34%-2,500Timeline
ISHARES S AND P/TSX CAPPED …ISHARES S AND P/TSX CAPPED ENEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 28,000 shares 28,000$547K1.25%new
VTHRVANGUARD SCOTTSDALE FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,892 shares; 2024Q4: 1,892 shares; 2025Q1: 1,892 shares; 2025Q2: 1,892 shares; 2025Q3: 1,892 shares; 2025Q4: 1,892 shares; 2026Q1: 1,892 shares 1,892$544K1.24%0Timeline
FNVFRANCO NEV CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,000 shares; 2024Q4: 2,000 shares; 2025Q1: 2,000 shares; 2025Q2: 2,000 shares; 2025Q3: 2,000 shares; 2025Q4: 2,000 shares; 2026Q1: 2,000 shares 2,000$494K1.13%0Timeline
NEMNEWMONT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 4,000 shares; 2025Q3: 4,000 shares; 2025Q4: 4,000 shares; 2026Q1: 4,000 shares 4,000$433K0.99%0Timeline
AEMAGNICO EAGLE MINES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 2,000 shares; 2025Q2: 2,000 shares; 2025Q3: 2,000 shares; 2025Q4: 2,000 shares; 2026Q1: 2,000 shares 2,000$406K0.93%0Timeline
UNHUNITEDHEALTH GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,622 shares; 2024Q4: 1,604 shares; 2025Q1: 1,620 shares; 2025Q2: 1,508 shares; 2025Q3: 1,499 shares; 2025Q4: 1,499 shares; 2026Q1: 1,499 shares 1,499$406K0.93%0Timeline
CCITIGROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 3,315 shares; 2024Q4: 3,315 shares; 2025Q1: 3,315 shares; 2025Q2: 3,315 shares; 2025Q3: 3,315 shares; 2025Q4: 3,315 shares; 2026Q1: 3,315 shares 3,315$376K0.86%0Timeline
UGIUGI CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 11,373 shares; 2024Q4: not reported; 2025Q1: 11,373 shares; 2025Q2: 9,773 shares; 2025Q3: 9,773 shares; 2025Q4: not reported; 2026Q1: 9,773 shares 9,773$356K0.81%newTimeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,727 shares; 2024Q4: 1,679 shares; 2025Q1: 1,722 shares; 2025Q2: 1,721 shares; 2025Q3: 1,712 shares; 2025Q4: 1,672 shares; 2026Q1: 1,703 shares 1,703$355K0.81%+31Timeline
IVWISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 800 shares; 2025Q4: not reported; 2026Q1: 3,110 shares 3,110$352K0.8%newTimeline
UNPUNION PAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,382 shares; 2024Q4: 1,382 shares; 2025Q1: 1,382 shares; 2025Q2: 1,382 shares; 2025Q3: 1,382 shares; 2025Q4: 1,382 shares; 2026Q1: 1,382 shares 1,382$335K0.77%0Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 671 shares; 2024Q4: 643 shares; 2025Q1: 667 shares; 2025Q2: 666 shares; 2025Q3: 659 shares; 2025Q4: 638 shares; 2026Q1: 653 shares 653$313K0.71%+15Timeline
KGCKINROSS GOLD CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 10,000 shares; 2024Q4: 10,000 shares; 2025Q1: 10,000 shares; 2025Q2: 10,000 shares; 2025Q3: 10,000 shares; 2025Q4: 10,000 shares; 2026Q1: 10,000 shares 10,000$305K0.7%0Timeline
EEMISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 4,810 shares; 2024Q4: 4,810 shares; 2025Q1: 4,810 shares; 2025Q2: 4,810 shares; 2025Q3: 4,810 shares; 2025Q4: 4,810 shares; 2026Q1: 4,810 shares 4,810$273K0.62%0Timeline
SNWGFSNOWLINE GOLD CORP COM SHS (CAQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 20,000 shares; 2024Q4: 25,000 shares; 2025Q1: 25,000 shares; 2025Q2: 27,000 shares; 2025Q3: 27,000 shares; 2025Q4: 27,000 shares; 2026Q1: 27,000 shares 27,000$269K0.61%0Timeline
EVOLUTION MINING LTD US LIS…EVOLUTION MINING LTD US LISTEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 32,500 shares; 2024Q4: 40,000 shares; 2025Q1: 40,000 shares; 2025Q2: 40,000 shares; 2025Q3: 40,000 shares; 2025Q4: 40,000 shares; 2026Q1: 30,000 shares 30,000$264K0.6%-10,000
AGFIRST MAJESTIC SILVER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 12,000 shares; 2024Q4: 12,000 shares; 2025Q1: 12,000 shares; 2025Q2: 12,000 shares; 2025Q3: 12,000 shares; 2025Q4: 12,000 shares; 2026Q1: 12,000 shares 12,000$258K0.59%0Timeline
TMOTHERMO FISHER SCIENTIFIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 500 shares; 2024Q4: 500 shares; 2025Q1: 500 shares; 2025Q2: 500 shares; 2025Q3: 500 shares; 2025Q4: 500 shares; 2026Q1: 500 shares 500$246K0.56%0Timeline
GMINFG MNG VENTURES CORP NEW COM (CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 7,000 shares; 2025Q4: 7,000 shares; 2026Q1: 7,000 shares 7,000$245K0.56%0Timeline
IVEISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 1,130 shares 1,130$239K0.54%newTimeline
VZLAVIZSLA SILVER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 60,250 shares; 2024Q4: 60,250 shares; 2025Q1: 60,250 shares; 2025Q2: 60,250 shares; 2025Q3: 60,250 shares; 2025Q4: 70,250 shares; 2026Q1: 70,250 shares 70,250$232K0.53%0Timeline
MRKMERCK & CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,982 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,963 shares; 2025Q4: not reported; 2026Q1: 1,824 shares 1,824$219K0.5%newTimeline
NORTHERN STAR RESOURCES LTD…NORTHERN STAR RESOURCES LTD SHSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 18,500 shares; 2024Q4: 18,500 shares; 2025Q1: 18,500 shares; 2025Q2: 18,500 shares; 2025Q3: 18,500 shares; 2025Q4: 18,500 shares; 2026Q1: 13,500 shares 13,500$196K0.45%-5,000
SXGCFSOUTHERN CROSS GOLD CONS LTD CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 20,000 shares; 2025Q2: 30,000 shares; 2025Q3: 30,000 shares; 2025Q4: 30,000 shares; 2026Q1: 30,000 shares 30,000$183K0.42%0Timeline
RUPRFRUPERT RES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 63,500 shares; 2024Q4: 63,500 shares; 2025Q1: 63,500 shares; 2025Q2: 63,500 shares; 2025Q3: 63,500 shares; 2025Q4: 63,500 shares; 2026Q1: 33,500 shares 33,500$154K0.35%-30,000Timeline
OGNNFOROGEN ROYALTIES INC NEW COM (Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 50,000 shares; 2025Q4: 50,000 shares; 2026Q1: 50,000 shares 50,000$130K0.3%0Timeline

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
OROR ROYALTIES INC.6,000$212Kshares
AIRRFAURION RES LTD156,125$158Kshares
RAMELIUS RESOURCES LTD US L…RAMELIUS RESOURCES LTD US LIST34,785$95.7Kshares
ONXGFONYX GOLD CORP COM75,000$82.4Kshares
DEEP YELLOW LIMITED ORDINAR…DEEP YELLOW LIMITED ORDINARY S62,162$75.8Kshares
BYAGFBANYAN GOLD CORP100,000$66.5Kshares
GLGDFGOGOLD RES INC ORD SHS (CDA)30,000$63.9Kshares
WOLFDEN RES CORP COMWOLFDEN RES CORP COM398,802$16.4Kshares

How Q1 2026 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 0001987720-26-000002 base2026-04-15acceptance time not in the bulk data set