Corundum Trust Company
SIOUX FALLS, SDfiles as Corundum Trust Company, INC
$37m in 28 US stocks at the end of 30 June 2026. The top 10 are 74.4% of the money. It changed about 25.5% of the portfolio this quarter.
Value
$37m
Stocks
28
Top 10 share
74.4%
Turnover
25.5%
What changed this quarter
New
Bought for the first time this quarter.
- BoeingBA0.6% of the fund
Added
Bought more of a stock they already held.
None this quarter.
Cut
Sold some of their stake.
None this quarter.
Sold out
Sold their entire stake.
- Skeena ResourcesSKE-100%
- DiscoverySilverCorp-100%
- Greatland RES LTD Ordinary FULGGPSF-100%
- Lundin GoldLUGDF-100%
- Wesdome Gold MinesWDOFF-100%
- Aya Gold & SilverAYA-100%
- Ngex Minerals LTD New.comNGXXF-100%
- Ishares S and P/tsx Capped ENEIUNSF-100%
- Franco NevadaFNV-100%
- NewmontNEM-100%
- Agnico Eagle MinesAEM-100%
- Kinross GoldKGC-100%
- Snowline Gold Corp FSNWGF-100%
- Evolution Mining LTD US ListedCAHPF-100%
- First Majestic SilverAG-100%
- G Mining Ventures CO FGMINF-100%
- Vizsla SilverVZLA-100%
- Northern Star Resources LTD SHSNESRF-100%
- Southern Cross Gold Cons LTD CSXGCF-100%
- Rupert Resources-100%
- Orogen Royalties INC New.comOGNNF-100%
Holdings
- Ishares TRIJR
- Share
- 12.4%
- Value
- $5m
- Shares
- 31,295
Held
- Ishares TRDVY
- Share
- 7.9%
- Value
- $3m
- Shares
- 18,840
Held
- Ishares TRIJK
- Share
- 7.0%
- Value
- $3m
- Shares
- 22,354
Held
- Ishares TRIVV
- Share
- 6.6%
- Value
- $2m
- Shares
- 3,306
Held
- Ishares TRIJJ
- Share
- 5.2%
- Value
- $2m
- Shares
- 13,166
Held
- Ishares TREFA
- Share
- 3.5%
- Value
- $1m
- Shares
- 12,656
Held
- State STR Spdr S&P 500 ETF TSPY
- Share
- 2.5%
- Value
- $920,767
- Shares
- 1,233
Held
- Vanguard Scottsdale FDSVTHR
- Share
- 1.7%
- Value
- $627,058
- Shares
- 1,892
Held
- Ishares TRIVW
- Share
- 1.1%
- Value
- $427,718
- Shares
- 3,110
Held
- Ishares TREEM
- Share
- 0.9%
- Value
- $329,052
- Shares
- 4,810
Held
- Ishares TRIVE
- Share
- 0.7%
- Value
- $256,578
- Shares
- 1,130
Held
| Company | Share of fund | Value | Shares | Change |
|---|---|---|---|---|
| 3MMMM | 17.0% | $6m | 39,280 | Held |
| Ishares TRIJR | 12.4% | $5m | 31,295 | Held |
| Ishares TRDVY | 7.9% | $3m | 18,840 | Held |
| Ishares TRIJK | 7.0% | $3m | 22,354 | Held |
| Ishares TRIVV | 6.6% | $2m | 3,306 | Held |
| Ishares TRIJJ | 5.2% | $2m | 13,166 | Held |
| AppleAAPL | 5.0% | $2m | 6,512 | Held |
| AlphabetGOOG | 5.0% | $2m | 5,313 | Held |
| MicrosoftMSFT | 4.8% | $2m | 4,823 | Held |
| Ishares TREFA | 3.5% | $1m | 12,656 | Held |
| Eli LillyLLY | 3.5% | $1m | 1,095 | Held |
| State STR Spdr S&P 500 ETF TSPY | 2.5% | $920,767 | 1,233 | Held |
| Cisco SystemsCSCO | 2.4% | $911,020 | 7,756 | Held |
| JPMorgan ChaseJPM | 2.2% | $810,469 | 2,476 | Held |
| SolventumSOLV | 2.0% | $758,462 | 9,831 | Held |
| Vanguard Scottsdale FDSVTHR | 1.7% | $627,058 | 1,892 | Held |
| UnitedHealth GroupUNH | 1.7% | $623,029 | 1,499 | Held |
| CitigroupC | 1.2% | $463,967 | 3,315 | Held |
| Ishares TRIVW | 1.1% | $427,718 | 3,110 | Held |
| Amazon.comAMZN | 1.1% | $405,893 | 1,703 | Held |
| Union PacificUNP | 1.0% | $375,904 | 1,382 | Held |
| UGIUGI | 0.9% | $337,559 | 9,773 | Held |
| Ishares TREEM | 0.9% | $329,052 | 4,810 | Held |
| Berkshire HathawayBRK-B | 0.9% | $326,755 | 653 | Held |
| Ishares TRIVE | 0.7% | $256,578 | 1,130 | Held |
| Thermo Fisher ScientificTMO | 0.7% | $250,680 | 500 | Held |
| MerckMRK | 0.6% | $234,384 | 1,824 | Held |
| BoeingBA | 0.6% | $207,378 | 958 | New |
Over time and by industry
Value over time
Jun '25
Dec '25
Jun '26
Value is down 1.1% since 30 June 2025.
Where the money is
Industrials18.5%
Technology12.3%
Health care8.5%
Media & telecom5.0%
Financial services4.3%
Retail & consumer1.1%
Utilities0.9%
Other49.4%
From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.