Corundum Trust Company, INC

CIK 0001987720 · SIOUX FALLS, SD · Quarter end: 2026-06-30 · Filed on: 2026-07-29 · Open the SEC source

Corundum Trust Company, INC reported 28 positions worth $37.4M as of June 30, 2026 (13F filed July 29, 2026). Largest holding: MMM (17.0%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$37.4M
2026 Q2
Positions
28
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
74.4%
Est. Net Flow (Q)
2026 Q2
10 / 28 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1MMM3M COMPANYSH$6.4M16.98%39,280
2IJRISHARES CORE S&P SMALL CAP ETFSH$4.6M12.39%31,295
3DVYISHARES SELECT DIVIDEND ETFSH$2.9M7.86%18,840
4IJKISHARES S&P MID CAP 400 GROWTHSH$2.6M7.01%22,354
5IVVISHARES CORE S&P 500 ETFSH$2.5M6.61%3,306
6IJJISHARES S&P MID CAP 400 VALUE SH$1.9M5.19%13,166
7AAPLAPPLE INCSH$1.9M5.03%6,512
8GOOGALPHABET INC CLASS C CAPITAL SSH$1.9M5.01%5,313
9MSFTMICROSOFT CORPSH$1.8M4.80%4,823
10EFAISHARES MSCI EAFE ETFSH$1.3M3.51%12,656

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Corundum Trust Company, INC hold as of Q2 2026?

Corundum Trust Company, INC reported 28 positions worth $37.4M in its Q2 2026 13F filing. Largest positions: MMM (17.0%), IJR (12.4%), DVY (7.9%), IJK (7.0%) and IVV (6.6%).

What did Corundum Trust Company, INC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Corundum Trust Company, INC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.