Corundum Trust Company, INC

Portfolio Overview

Corundum Trust Company, INC disclosed 48 positions worth $43.8M in its Form 13F-HR for Q1 2026, led by $MMM (3M CO) at 13.0% of the equity portfolio. During the quarter the fund opened 5 new positions and exited 8. The portfolio is most concentrated in Other (58.5% of disclosed assets). All figures are sourced directly from Corundum Trust Company, INC’s Form 13F-HR filing with the SEC under CIK 1987720.

• 

  3M CO

  $MMM

  60.7#836

  Quality

  $5.7M39,280 sh

• ISHARES CORE S&P SMALL CAP ETF

  —

  Quality

  $3.9M31,502 sh

• ISHARES SELECT DIVIDEND ETF

  —

  Quality

  $2.9M18,872 sh

• ISHARES S&P MID CAP 400 GROWTH

  —

  Quality

  $2.2M22,354 sh

• ISHARES CORE S&P 500 ETF

  —

  Quality

  $2.2M3,306 sh
• 

  MICROSOFT CORP

  $MSFT

  83.7

  Quality

  $1.8M4,823 sh

• ISHARES S&P MID CAP 400 VALUE

  —

  Quality

  $1.7M13,166 sh
• 

  Apple Inc.

  $AAPL

  76.1

  Quality

  $1.7M6,512 sh

• SKEENA RESOURCES LIMITED NEW C

  —

  Quality

  $1.6M55,250 sh

• DISCOVERY SILVER CORP COMMON

  —

  Quality

  $1.6M247,500 sh

Company	Quality	Value	Shares
3M CO$MMM	60.7#836	$5.7M	39,280
ISHARES CORE S&P SMALL CAP ETF	—	$3.9M	31,502
ISHARES SELECT DIVIDEND ETF	—	$2.9M	18,872
ISHARES S&P MID CAP 400 GROWTH	—	$2.2M	22,354
ISHARES CORE S&P 500 ETF	—	$2.2M	3,306
MICROSOFT CORP$MSFT	83.7	$1.8M	4,823
ISHARES S&P MID CAP 400 VALUE	—	$1.7M	13,166
Apple Inc.$AAPL	76.1	$1.7M	6,512
SKEENA RESOURCES LIMITED NEW C	—	$1.6M	55,250
DISCOVERY SILVER CORP COMMON	—	$1.6M	247,500

Showing top 10 of 48 holdings.

Full Holdings — Corundum Trust Company, INC (Q1 2026)

All 48 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.

#	Ticker	Company	Value	Weight	QoQ	Quality
1	$MMM	3M CO	$5.7M	13.0%	+0%	60.7
2	—	ISHARES CORE S&P SMALL CAP ETF	$3.9M	8.9%	+5%	—
3	—	ISHARES SELECT DIVIDEND ETF	$2.9M	6.5%	+0%	—
4	—	ISHARES S&P MID CAP 400 GROWTH	$2.2M	5.1%	+3%	—
5	—	ISHARES CORE S&P 500 ETF	$2.2M	4.9%	+12%	—
6	$MSFT	MICROSOFT CORP	$1.8M	4.1%	+1%	83.7
7	—	ISHARES S&P MID CAP 400 VALUE	$1.7M	4.0%	+0%	—
8	$AAPL	Apple Inc.	$1.7M	3.8%	+5%	76.1
9	—	SKEENA RESOURCES LIMITED NEW C	$1.6M	3.8%	-13%	—
10	—	DISCOVERY SILVER CORP COMMON	$1.6M	3.6%	-4%	—
11	$GOOG	Alphabet Inc.	$1.5M	3.5%	-9%	80.2
12	—	ISHARES MSCI EAFE ETF	$1.2M	2.8%	+3%	—
13	—	GREATLAND RES LTD ORDINARY FUL	$1.1M	2.5%	-7%	—
14	$LLY	ELI LILLY & Co	$1.0M	2.3%	+2%	89.3
15	—	LUNDIN GOLD INC COM	$838,200	1.9%	+0%	—
16	$SPY	SPDR S&P 500 ETF TRUST	$801,219	1.8%	+86%	—
17	$JPM	JPMORGAN CHASE & CO	$728,340	1.7%	+1%	35.6
18	—	WESDOME GOLD MINES LTD	$677,160	1.6%	-21%	—
19	$SOLV	Solventum Corp	$641,964	1.5%	+0%	55.7
20	—	AYA GOLD & SILVER INC COM	$612,000	1.4%	+0%	—
21	$CSCO	CISCO SYSTEMS, INC.	$601,788	1.4%	+1%	72.3
22	—	NGEX MINERALS LTD NEW COM	$587,275	1.3%	-7%	—
23	—	ISHARES S AND P/TSX CAPPED ENE	$546,692	1.3%	NEW	—
24	—	VANGUARD RUSSELL 3000 ETF	$544,092	1.2%	+0%	—
25	$FNV	FRANCO NEVADA Corp	$494,100	1.1%	+0%	—
26	$NEM	NEWMONT Corp /DE/	$433,000	1.0%	+0%	88.3
27	$AEM	AGNICO EAGLE MINES LTD	$405,960	0.9%	+0%	—
28	$UNH	UNITEDHEALTH GROUP INC	$405,614	0.9%	+0%	66.8
29	$C	CITIGROUP INC	$375,954	0.9%	+0%	54.8
30	$UGI	UGI CORP /PA/	$355,933	0.8%	NEW	70.3
31	$AMZN	AMAZON COM INC	$354,684	0.8%	+2%	74.6
32	—	ISHARES S&P 500 GROWTH ETF	$351,772	0.8%	NEW	—
33	$UNP	UNION PACIFIC CORP	$335,301	0.8%	+0%	74
34	$BRK.B	BERKSHIRE HATHAWAY INC	$312,918	0.7%	+2%	64.5
35	$KGC	KINROSS GOLD CORP	$305,200	0.7%	+0%	—
36	—	ISHARES MSCI EMERGING MARKETS	$273,160	0.6%	+0%	—
37	—	SNOWLINE GOLD CORP COM	$269,014	0.6%	+0%	—
38	—	EVOLUTION MINING LTD US LISTED	$264,000	0.6%	-25%	—
39	$AG	FIRST MAJESTIC SILVER CORP	$257,760	0.6%	+0%	—
40	$TMO	THERMO FISHER SCIENTIFIC INC.	$245,765	0.6%	+0%	63.7
41	—	G MINING VENTURES CORP NEW COM	$245,462	0.6%	+0%	—
42	—	ISHARES S&P 500 VALUE ETF	$238,599	0.5%	NEW	—
43	—	VIZSLA SILVER CORP COM NO PAR	$231,825	0.5%	+0%	—
44	$MRK	Merck & Co., Inc.	$219,409	0.5%	NEW	70.9
45	—	NTHN STAR RES LTD NPV	$196,155	0.5%	-27%	—
46	—	SOUTHERN CROSS GOLD CONSOLIDAT	$183,041	0.4%	+0%	—
47	—	RUPERT RESOURCES LTD	$154,100	0.3%	-47%	—
48	—	OROGEN ROYALTIES INC NEW COM	$129,550	0.3%	+0%	—