# Corundum Group, Inc.

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1486083. Source: https://holderbook.com/funds/1486083-corundum-group-inc/

- Reported value: $337.1M
- Positions: 112
- Weight of the ten largest: 54.0%
- Filed: 2026-08-07

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| ISHARES TR | [IWF](https://holderbook.com/stocks/IWF/) | $42.4M | 341,716 | 12.6% | 31 |
| ISHARES TR | [IWD](https://holderbook.com/stocks/IWD/) | $40.5M | 167,207 | 12.0% | 17 |
| ISHARES TR | [EFA](https://holderbook.com/stocks/EFA/) | $17.1M | 164,969 | 5.1% | 31 |
| 3M CO | [MMM](https://holderbook.com/stocks/MMM/) | $16.1M | 99,383 | 4.8% | 31 |
| ISHARES TR | [IWO](https://holderbook.com/stocks/IWO/) | $13.7M | 34,722 | 4.1% | 31 |
| ISHARES TR | [IWN](https://holderbook.com/stocks/IWN/) | $11.7M | 53,073 | 3.5% | 31 |
| ISHARES TR | [IWP](https://holderbook.com/stocks/IWP/) | $11.2M | 76,317 | 3.3% | 17 |
| ISHARES TR | [IWS](https://holderbook.com/stocks/IWS/) | $10.2M | 61,801 | 3.0% | 17 |
| LOCKHEED MARTIN CORP | [LMT](https://holderbook.com/stocks/LMT/) | $9.7M | 19,045 | 2.9% | 3 |
| STATE STR SPDR S&P 500 ETF T | [SPY](https://holderbook.com/stocks/SPY/) | $9.4M | 12,537 | 2.8% | 31 |
| ISHARES TR | [SUSA](https://holderbook.com/stocks/SUSA/) | $7.4M | 47,936 | 2.2% | 19 |
| LINDE PLC | [LIN](https://holderbook.com/stocks/LIN/) | $7.2M | 13,913 | 2.1% | 3 |
| APPLE INC | [AAPL](https://holderbook.com/stocks/AAPL/) | $7.1M | 24,451 | 2.1% | 31 |
| VANGUARD SCOTTSDALE FDS | [VONV](https://holderbook.com/stocks/VONV/) | $5.1M | 47,826 | 1.5% | 30 |
| MICROSOFT CORP | [MSFT](https://holderbook.com/stocks/MSFT/) | $4.7M | 12,510 | 1.4% | 31 |
| ISHARES TR | [IWB](https://holderbook.com/stocks/IWB/) | $4.5M | 10,981 | 1.3% | 31 |
| ISHARES TR | [IWM](https://holderbook.com/stocks/IWM/) | $4.2M | 14,006 | 1.2% | 31 |
| INTEL CORP | [INTC](https://holderbook.com/stocks/INTC/) | $4.2M | 29,853 | 1.2% | 6 |
| CATERPILLAR INC | [CAT](https://holderbook.com/stocks/CAT/) | $3.6M | 3,337 | 1.1% | 27 |
| INVESCO EXCH TRADED FD TR II | [SPLV](https://holderbook.com/stocks/SPLV/) | $3.5M | 47,322 | 1.1% | 31 |
| NVIDIA CORPORATION | [NVDA](https://holderbook.com/stocks/NVDA/) | $3.5M | 17,476 | 1.0% | 21 |
| ALPHABET INC | [GOOGL](https://holderbook.com/stocks/GOOGL/) | $3.5M | 9,763 | 1.0% | 24 |
| SPDR GOLD TR | [GLD](https://holderbook.com/stocks/GLD/) | $3.5M | 9,401 | 1.0% | 21 |
| ALPHABET INC | [GOOG](https://holderbook.com/stocks/GOOG/) | $3.4M | 9,510 | 1.0% | 31 |
| SPDR SERIES TRUST | [SPYM](https://holderbook.com/stocks/SPYM/) | $3.3M | 37,204 | 1.0% | 7 |
| JPMORGAN CHASE & CO | [JPM](https://holderbook.com/stocks/JPM/) | $3.2M | 9,835 | 1.0% | 31 |
| VANGUARD INDEX FDS | [VOO](https://holderbook.com/stocks/VOO/) | $2.9M | 4,152 | 0.8% | 24 |
| ISHARES TR | [IVW](https://holderbook.com/stocks/IVW/) | $2.8M | 20,435 | 0.8% | 31 |
| EXXONMOBIL HOLDINGS CORP COM SHS | [XOM](https://holderbook.com/stocks/XOM/) | $2.6M | 18,821 | 0.8% | 1 |
| BROADCOM INC | [AVGO](https://holderbook.com/stocks/AVGO/) | $2.6M | 6,786 | 0.8% | 16 |
| SELECT SECTOR SPDR TR | [XLU](https://holderbook.com/stocks/XLU/) | $2.4M | 53,375 | 0.7% | 11 |
| CISCO SYS INC | [CSCO](https://holderbook.com/stocks/CSCO/) | $2.4M | 20,236 | 0.7% | 25 |
| FIRST TR EXCHANGE TRAD FD VI | [FTGC](https://holderbook.com/stocks/FTGC/) | $2.3M | 84,182 | 0.7% | 20 |
| NUSHARES ETF TR | [NUSC](https://holderbook.com/stocks/NUSC/) | $2.3M | 43,317 | 0.7% | 19 |
| ISHARES TR | [IJH](https://holderbook.com/stocks/IJH/) | $2.1M | 27,055 | 0.6% | 31 |
| AMAZON COM INC | [AMZN](https://holderbook.com/stocks/AMZN/) | $2.0M | 8,601 | 0.6% | 31 |
| VISA INC | [V](https://holderbook.com/stocks/V/) | $2.0M | 5,950 | 0.6% | 25 |
| ELI LILLY & CO | [LLY](https://holderbook.com/stocks/LLY/) | $2.0M | 1,681 | 0.6% | 31 |
| ABBVIE INC | [ABBV](https://holderbook.com/stocks/ABBV/) | $2.0M | 8,000 | 0.6% | 25 |
| JOHNSON & JOHNSON | [JNJ](https://holderbook.com/stocks/JNJ/) | $2.0M | 7,755 | 0.6% | 31 |
| GOLDMAN SACHS GROUP INC | [GS](https://holderbook.com/stocks/GS/) | $1.9M | 1,897 | 0.6% | 23 |
| US BANCORP | [USB](https://holderbook.com/stocks/USB/) | $1.7M | 28,013 | 0.5% | 21 |
| ECOLAB INC | [ECL](https://holderbook.com/stocks/ECL/) | $1.6M | 5,646 | 0.5% | 31 |
| BRISTOL-MYERS SQUIBB CO | [BMY](https://holderbook.com/stocks/BMY/) | $1.5M | 25,813 | 0.4% | 30 |
| HOME DEPOT INC | [HD](https://holderbook.com/stocks/HD/) | $1.4M | 4,102 | 0.4% | 31 |
| BANK OF AMER CORP | [BAC](https://holderbook.com/stocks/BAC/) | $1.4M | 24,897 | 0.4% | 23 |
| COSTCO WHOLESALE CORPORATION | [COST](https://holderbook.com/stocks/COST/) | $1.4M | 1,507 | 0.4% | 19 |
| MERCK & CO INC | [MRK](https://holderbook.com/stocks/MRK/) | $1.4M | 10,703 | 0.4% | 24 |
| DUKE ENERGY CORP NEW | [DUK](https://holderbook.com/stocks/DUK/) | $1.3M | 10,621 | 0.4% | 7 |
| WASTE MGMT INC DEL | [WM](https://holderbook.com/stocks/WM/) | $1.3M | 6,016 | 0.4% | 23 |
| WALMART INC | [WMT](https://holderbook.com/stocks/WMT/) | $1.3M | 11,835 | 0.4% | 31 |
| AMGEN INC | [AMGN](https://holderbook.com/stocks/AMGN/) | $1.3M | 3,678 | 0.4% | 24 |
| ISHARES TR | [IVE](https://holderbook.com/stocks/IVE/) | $1.3M | 5,790 | 0.4% | 16 |
| BERKSHIRE HATHAWAY INC DEL | [BRKB](https://holderbook.com/stocks/BRKB/) | $1.3M | 2,589 | 0.4% | 31 |
| MASTERCARD INCORPORATED | [MA](https://holderbook.com/stocks/MA/) | $1.3M | 2,508 | 0.4% | 27 |
| ORACLE CORP | [ORCL](https://holderbook.com/stocks/ORCL/) | $1.2M | 8,301 | 0.4% | 24 |
| MICRON TECHNOLOGY INC | [MU](https://holderbook.com/stocks/MU/) | $1.2M | 1,038 | 0.4% | 5 |
| COCA COLA CO | [KO](https://holderbook.com/stocks/KO/) | $1.0M | 12,485 | 0.3% | 31 |
| BOEING CO | [BA](https://holderbook.com/stocks/BA/) | $997.9K | 4,610 | 0.3% | 1 |
| META PLATFORMS INC | [META](https://holderbook.com/stocks/META/) | $982.9K | 1,745 | 0.3% | 1 |
| AUTOMATIC DATA PROCESSING IN | [ADP](https://holderbook.com/stocks/ADP/) | $973.5K | 4,347 | 0.3% | 24 |
| CHEVRON CORPORATION | [CVX](https://holderbook.com/stocks/CVX/) | $973.5K | 5,873 | 0.3% | 31 |
| MCDONALDS CORP | [MCD](https://holderbook.com/stocks/MCD/) | $921.2K | 3,408 | 0.3% | 31 |
| ABBOTT LABORATORIES | [ABT](https://holderbook.com/stocks/ABT/) | $889.4K | 9,802 | 0.3% | 31 |
| PROCTER & GAMBLE CO | [PG](https://holderbook.com/stocks/PG/) | $873.1K | 5,954 | 0.3% | 31 |
| FEDEX CORP | [FDX](https://holderbook.com/stocks/FDX/) | $871.1K | 2,782 | 0.3% | 25 |
| MEDTRONIC PLC | [MDT](https://holderbook.com/stocks/MDT/) | $836.6K | 10,694 | 0.2% | 10 |
| PFIZER INC | [PFE](https://holderbook.com/stocks/PFE/) | $825.1K | 34,264 | 0.2% | 31 |
| UNITED PARCEL SVCS INC | [UPS](https://holderbook.com/stocks/UPS/) | $816.2K | 7,593 | 0.2% | 2 |
| XCEL ENERGY INC | [XEL](https://holderbook.com/stocks/XEL/) | $795.9K | 9,911 | 0.2% | 23 |
| DISNEY WALT CO | [DIS](https://holderbook.com/stocks/DIS/) | $779.4K | 8,097 | 0.2% | 31 |
| VERIZON COMMUNICATIONS INC | [VZ](https://holderbook.com/stocks/VZ/) | $745.1K | 17,599 | 0.2% | 2 |
| ARISTA NETWORKS INC | [ANET](https://holderbook.com/stocks/ANET/) | $740.0K | 4,356 | 0.2% | 7 |
| ISHARES TR | [IJK](https://holderbook.com/stocks/IJK/) | $736.1K | 6,265 | 0.2% | 31 |
| TEXAS INSTRS INC | [TXN](https://holderbook.com/stocks/TXN/) | $634.3K | 2,128 | 0.2% | 31 |
| SOLVENTUM CORP | [SOLV](https://holderbook.com/stocks/SOLV/) | $633.7K | 8,214 | 0.2% | 9 |
| GE AEROSPACE | [GE](https://holderbook.com/stocks/GE/) | $578.5K | 1,548 | 0.2% | 6 |
| TAIWAN SEMICONDUCTOR MANUFAC | [TSM](https://holderbook.com/stocks/TSM/) | $560.7K | 1,174 | 0.2% | 4 |
| LEGG MASON ETF INVT | [LRGE](https://holderbook.com/stocks/LRGE/) | $547.3K | 6,389 | 0.2% | 18 |
| INVESCO QQQ TR | [QQQ](https://holderbook.com/stocks/QQQ/) | $519.9K | 706 | 0.2% | 14 |
| HONEYWELL AEROSPACE INC | [HONA](https://holderbook.com/stocks/HONA/) | $496.8K | 2,247 | 0.1% | 1 |
| HONEYWELL INTL INC | [HON](https://holderbook.com/stocks/HON/) | $442.4K | 1,976 | 0.1% | 1 |
| ISHARES TR | [IJR](https://holderbook.com/stocks/IJR/) | $421.2K | 2,840 | 0.1% | 31 |
| DBX ETF TR | [SNPE](https://holderbook.com/stocks/SNPE/) | $403.0K | 5,852 | 0.1% | 3 |
| PALO ALTO NETWORKS INC | [PANW](https://holderbook.com/stocks/PANW/) | $346.1K | 1,015 | 0.1% | 2 |
| DIMENSIONAL ETF TRUST | [DFAT](https://holderbook.com/stocks/DFAT/) | $343.1K | 4,908 | 0.1% | 2 |
| NUSHARES ETF TR | [NUDM](https://holderbook.com/stocks/NUDM/) | $338.4K | 8,456 | 0.1% | 10 |
| DIMENSIONAL ETF TRUST | [DFUS](https://holderbook.com/stocks/DFUS/) | $332.2K | 4,054 | 0.1% | 2 |
| DANAHER CORP DEL | [DHR](https://holderbook.com/stocks/DHR/) | $312.4K | 1,640 | 0.1% | 3 |
| CADENCE DESIGN SYSTEM INC | [CDNS](https://holderbook.com/stocks/CDNS/) | $298.4K | 795 | 0.1% | 8 |
| ISHARES TR | [QUAL](https://holderbook.com/stocks/QUAL/) | $285.3K | 1,300 | 0.1% | 10 |
| MARVELL TECHNOLOGY INC | [MRVL](https://holderbook.com/stocks/MRVL/) | $283.0K | 950 | 0.1% | 2 |
| VANGUARD INDEX FDS | [VUG](https://holderbook.com/stocks/VUG/) | $282.7K | 3,282 | 0.1% | 9 |
| SPOTIFY TECHNOLOGY S A | [SPOT](https://holderbook.com/stocks/SPOT/) | $278.2K | 606 | 0.1% | 2 |
| PROGRESSIVE CORP | [PGR](https://holderbook.com/stocks/PGR/) | $276.3K | 1,265 | 0.1% | 10 |
| VANGUARD INDEX FDS | [VO](https://holderbook.com/stocks/VO/) | $267.5K | 3,320 | 0.1% | 11 |
| VANGUARD BD INDEX FDS | [VUSB](https://holderbook.com/stocks/VUSB/) | $252.3K | 5,069 | 0.1% | 6 |
| WEST PHARMACEUTICAL SVSC INC | [WST](https://holderbook.com/stocks/WST/) | $251.7K | 701 | 0.1% | 1 |
| UBER TECHNOLOGIES INC | [UBER](https://holderbook.com/stocks/UBER/) | $248.6K | 3,445 | 0.1% | 11 |
| INTUITIVE SURGICAL INC | [ISRG](https://holderbook.com/stocks/ISRG/) | $248.2K | 624 | 0.1% | 3 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +12.3% | +14.8% | -2.5% | 100% |
| Q1 2026 | -0.9% | -4.6% | +3.7% | 100% |
| Q4 2025 | +2.2% | +2.4% | -0.2% | 100% |
| Q3 2025 | +7.4% | +7.8% | -0.4% | 100% |
| Q2 2025 | +8.0% | +10.5% | -2.5% | 100% |
| Q1 2025 | -2.2% | -4.6% | +2.4% | 100% |
| Q4 2024 | +0.3% | +2.1% | -1.9% | 100% |
| Q3 2024 | +7.2% | +5.4% | +1.7% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $337.1M | 112 |
| Q1 2026 | $299.2M | 107 |
| Q4 2025 | $298.0M | 112 |
| Q3 2025 | $243.4M | 102 |
| Q2 2025 | $226.2M | 102 |
| Q1 2025 | $208.5M | 97 |
| Q4 2024 | $267.8M | 99 |
| Q3 2024 | $219.2M | 99 |
| Q2 2024 | $256.0M | 100 |
| Q1 2024 | $207.3M | 97 |
| Q4 2023 | $199.4M | 99 |
| Q3 2023 | $176.0M | 100 |