account_balance
Investment manager · 13F filer · SEC CIK 1486083
Corundum Group, Inc.
Reported value$380Mas of Sep 30, 2026
Positions122 14 new, 4 sold out
Top 10 weight50.2%IWF alone is 11%
FiledOct 2828 days after quarter end
Portfolio · as of Sep 30, 2026
Where the money is
New or addedTrimmedHeld
IWFiShares Russell 1000 Growth Et
11.3%
IWDiShares Russell 1000 Value ETF
10.9%
MMM3M Co
6.0%Added +39%
EFAiShares MSCI EAFE ETF
4.9%Added +9%
IWOiShares Russell 2000 Growth Et
3.2%
IWNiShares Russell 2000 Value ETF
2.9%Trimmed −2%
SPYSPDR S&P 500 ETF Trust
2.8%Added +11%
IWPiShares Russell Mid Cap Growth
2.8%
AAPLApple Inc.
2.7%Added +27%
IWSiShares Russell Mid Cap Value
2.6%
LMTLockheed Martin Corp
2.6%
MSFTMicrosoft Corp
2.3%Added +39%
IWFiShares Russell 1000 Growth Et
11.3%
IWDiShares Russell 1000 Value ETF
10.9%
MMM3M Co
6.0%
EFAiShares MSCI EAFE ETF
4.9%
IWOiShares Russell 2000 Growth Et
3.2%
IWN2.9%
SPY2.8%IWP2.8%
AAPL2.7%IWS2.6%
LMT2.6%MSFT2.3%Boxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.
Show the top 12 as a list
IWF iShares Russell 1000 Growth Et 11.3% Held
IWD iShares Russell 1000 Value ETF 10.9% Held
MMM 3M Co 6.0% Added +39%EFA iShares MSCI EAFE ETF 4.9% Added +9%
IWO iShares Russell 2000 Growth Et 3.2% Held
IWN iShares Russell 2000 Value ETF 2.9% Trimmed −2%
SPY SPDR S&P 500 ETF Trust 2.8% Added +11%IWP iShares Russell Mid Cap Growth 2.8% Held
AAPL Apple Inc. 2.7% Added +27%IWS iShares Russell Mid Cap Value 2.6% Held
LMT Lockheed Martin Corp 2.6% HeldMSFT Microsoft Corp 2.3% Added +39%What changed
Biggest moves since Jun 30, 2026
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