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Corundum Trust Company, Inc.
Corundum Trust Company, Inc is a trust company and institutional investment manager headquartered in Sioux Falls, South Dakota. It is registered with the SEC and files quarterly 13F reports as required for managers handling securities holdings above the regulatory threshold. Specific details about the firm’s founding year, size, and whom they serve are not available in current SEC filings, but the company is primarily focused on trust and investment management services for clients such as individuals, families, and perhaps institutions.
Investment Strategy
Corundum Trust Company, Inc acts as an institutional investment manager filing 13F reports for securities holdings. While detailed strategy information is not publicly stated in recent filings, their regulatory status and filing obligations suggest a focus on fiduciary trust services and careful securities management within statutory frameworks, likely emphasizing capital preservation and client-specific objectives.
Latest 13F Filing Activity
Corundum Trust Company, Inc. filed their most recent 13F report on Jun 30, 2025 disclosing 36 equity positions with a total 13F market value of $38M. The fund increased holdings in Lundin Gold Inc. Com, Microsoft Corp., Skeena Resources Limited New C among other positions. Corundum Trust Company, Inc. reduced exposure to Mag Silver Corp., Unitedhealth Group Inc., Apple Inc. among others.
Top Holdings
Equity Positions (36)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
M MMM | 3M COMPANY | 16.25% | $6.2M | 40,427 | $100.61 | $152.24 | +$217.2K |
I IJR | ISHARES CORE S&P SMALL CAP ETF | 9.32% | $3.5M | 32,298 | $105.76 | $109.29 | +$48.7K |
D DVY | ISHARES SELECT DIVIDEND ETF | 6.67% | $2.5M | 19,014 | $120.31 | $132.81 | -$28.1K |
M MSFT | MICROSOFT CORP | 6.49% | $2.5M | 4,942 | $456.73 | $497.41 | +$496.4K |
I IJK | ISHARES S&P MID CAP 400 GROWTH | 5.22% | $2.0M | 21,744 | $87.16 | $90.98 | +$167.4K |
Industry Allocation
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