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Corundum Group 13F Portfolio

Portfolio Manager
Corundum Group, Inc.
Performance
+11.07% (2026 Q2)
AUM (13F)
$337.15M
# of Holdings
112
Performance Rank
Allocation (Top 20)
60.49%
Latest filing
Q2 2026

Corundum Group, Inc. Holdings Map

Top 50 Corundum Group, Inc. Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
IWF
ISHARES RUSSELL 1000 GROWTH ET
12.59%341.7K$42.4M
+0.00%(+0)
2025-Q2: 259.1K shares2025-Q3: 259.1K shares2025-Q4: 304.5K shares2026-Q1: 341.7K shares2026-Q2: 341.7K shares
$72.43(+72.97%)
2026-06-30
IWD
ISHARES RUSSELL 1000 VALUE ETF
12.02%167.2K$40.5M
+0.89%(+1.48K)
2025-Q2: 116.2K shares2025-Q3: 122.7K shares2025-Q4: 163.1K shares2026-Q1: 165.7K shares2026-Q2: 167.2K shares
$124.37(+107.81%)
2026-06-30
EFA
ISHARES MSCI EAFE ETF
5.08%165.0K$17.1M
+1.54%(+2.51K)
2025-Q2: 126.5K shares2025-Q3: 128.6K shares2025-Q4: 155.5K shares2026-Q1: 162.5K shares2026-Q2: 165.0K shares
$76.33(+42.20%)
2026-06-30
IWO
ISHARES RUSSELL 2000 GROWTH ET
4.06%34.7K$13.7M
-1.68%(-592)
2025-Q2: 29.1K shares2025-Q3: 28.9K shares2025-Q4: 34.3K shares2026-Q1: 35.3K shares2026-Q2: 34.7K shares
$235.01(+65.89%)
2026-06-30
IWN
ISHARES RUSSELL 2000 VALUE ETF
3.48%53.1K$11.7M
-0.81%(-435)
2025-Q2: 42.8K shares2025-Q3: 43.6K shares2025-Q4: 53.9K shares2026-Q1: 53.5K shares2026-Q2: 53.1K shares
$148.30(+51.94%)
2026-06-30
IWP
ISHARES RUSSELL MID CAP GROWTH
3.31%76.3K$11.2M
+1.09%(+821)
2025-Q2: 54.0K shares2025-Q3: 54.0K shares2025-Q4: 68.6K shares2026-Q1: 75.5K shares2026-Q2: 76.3K shares
$74.01(+95.21%)
2026-06-30
IWS
ISHARES RUSSELL MID CAP VALUE
3.02%61.8K$10.2M
-10.19%(-7.01K)
2025-Q2: 50.0K shares2025-Q3: 52.1K shares2025-Q4: 67.9K shares2026-Q1: 68.8K shares2026-Q2: 61.8K shares
$101.52(+68.92%)
2026-06-30
LMT
LOCKHEED MARTIN CORP
2.88%19.0K$9.7M
+0.00%(+0)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 25.8K shares2026-Q1: 19.0K shares2026-Q2: 19.0K shares
$491.44(+21.83%)
2026-06-30
SUSA
ISHARES TRUST ISHARES ESG OPTI
2.19%47.9K$7.4M
-4.41%(-2.21K)
2025-Q2: 64.1K shares2025-Q3: 63.0K shares2025-Q4: 51.1K shares2026-Q1: 50.1K shares2026-Q2: 47.9K shares
$91.03(+74.51%)
2026-06-30
AAPL
APPLE INC
2.1%24.5K$7.1M
+4.00%(+941)
2025-Q2: 23.9K shares2025-Q3: 23.5K shares2025-Q4: 23.5K shares2026-Q1: 23.5K shares2026-Q2: 24.5K shares
$139.24(+120.25%)
2026-06-30

About Corundum Group, Inc.โ€™s portfolio

Corundum Group, Inc. reports $337.15M in US-listed equity holdings across 112 positions in its most recent 13F filing. Its largest disclosed positions are IWF (12.6%), IWD (12.0%) and EFA (5.1%). The top 20 holdings account for 60.49% of reported assets. Its disclosed equity book has returned +62.79% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
IWF โ€” 18.1% ($42.43M)IWD โ€” 17.3% ($40.54M)EFA โ€” 7.3% ($17.14M)IWO โ€” 5.8% ($13.68M)IWN โ€” 5.0% ($11.74M)IWP โ€” 4.8% ($11.17M)IWS โ€” 4.3% ($10.17M)LMT โ€” 4.1% ($9.70M)SUSA โ€” 3.2% ($7.40M)AAPL โ€” 3.0% ($7.08M)Other โ€” 26.9% ($63.01M)
73%in top 10
  • IWF18.1%
  • IWD17.3%
  • EFA7.3%
  • IWO5.8%
  • IWN5.0%
  • IWP4.8%
  • IWS4.3%
  • LMT4.1%
  • SUSA3.2%
  • AAPL3.0%
  • Other26.9%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

New buys
1
BABOEING CO0.3%
Added to
29
IWDISHARES RUSSELL 1000 VALUE ETF+0.9%
AAPLAPPLE INC+4.0%
EFAISHARES MSCI EAFE ETF+1.5%
ANETARISTA NETWORKS INC COMMON STO+49.4%
+25 more
Trimmed
17
IWSISHARES RUSSELL MID CAP VALUE-10.2%
IJRISHARES CORE S&P SMALL CAP ETF-61.3%
SUSAISHARES TRUST ISHARES ESG OPTI-4.4%
IWOISHARES RUSSELL 2000 GROWTH ET-1.7%
+13 more

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Source filings

Holdings on this page are parsed from Corundum Group, Inc.โ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1486083). View Corundum Group, Inc.โ€™s 13F filings on SEC

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