13F Insight
DOSSIER · 13F-HR · Q2 2026

Corundum Trust Company, INC

$37M in tracked AUM across 28 positions as of Q2 2026.

CT
CIK 0001987720 · last filed Jun 30, 2026
Total AUM
$37M
as of Q2 2026
Holdings
28
—
positions
Whale Score
54
54
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026

Corundum Trust Company, INC filed its latest 13F-HR for Q2 2026. See the latest holdings and position changes below.

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
MMM
3M COMPANY
$6M39K17.0%02
IJR
ISHARES CORE S&P SMALL CAP ETF
$5M31K12.4%03
DVY
ISHARES SELECT DIVIDEND ETF
$3M19K7.9%04
IJK
ISHARES S&P MID CAP 400 GROWTH
$3M22K7.0%05
IVV
ISHARES CORE S&P 500 ETF
$2M3K6.6%06
IJJ
ISHARES S&P MID CAP 400 VALUE
$2M13K5.2%07
AAPL
APPLE INC
$2M7K5.0%08
GOOG
ALPHABET INC CLASS C CAPITAL S
$2M5K5.0%09
MSFT
MICROSOFT CORP
$2M5K4.8%10
EFA
ISHARES MSCI EAFE ETF
$1M13K3.5%

Filing history

2026Q2Jun 30
$37M▼ 14.5%
28 positionsView →2026Q1Mar 31
$44M▼ 0.3%
48 positionsView →2025Q4Dec 31
$44M▲ 120.3%
51 positionsView →2025Q3Sep 30
$20M▼ 47.3%
62 positionsLocked2025Q2Jun 30
$38M▲ 9.2%
50 positionsLocked2025Q1Mar 31
$35M▲ 4.2%
50 positionsLocked2024Q4Dec 31
$33M▼ 8.2%
49 positionsLocked2024Q3Sep 30
$36M▲ 5.5%
52 positionsLocked2024Q2Jun 30
$34M▲ 2.8%
55 positionsLocked2023Q3Sep 30
$33M▼ 8.5%
37 positionsLocked2023Q2Jun 30
$37M—
39 positionsLocked