Corundum Group, Inc.

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed July 21, 2025), Corundum Group, Inc. reported 103 stock positions worth $226.2 million. Its top holding was iShares Russell 1000 Growth (IWF) at 12.2% of the portfolio, followed by iShares Russell 1000 Value E (IWD, 10.0%) and 3M (MMM, 6.6%). Compared with Q1 2025, it opened 7 new positions, sold out of 2, added to 43 and reduced 34. The biggest buy was Goldman Sachs (GS, shares +61%) and the biggest sale iShares Russell 2000 ETF (IWM, shares −37%).

Most Recent 13F
Q2 2026
Location
COLORADO SPRINGS, CO
CIK
0001486083
Portfolio Value
$226.2M (Q2 2025)
SEC Filing
0001486083-25-000005 ↗ filed Jul 21, 2025

Holdings Value

0$100.0M$200.0M$300.0M$400.0M Q1 2024: $207.3M Q1 2024 Q2 2024: $256.0M Q2 2024 Q3 2024: $219.2M Q3 2024 Q4 2024: $267.8M Q4 2024 Q1 2025: $208.5M Q1 2025 Q2 2025: $226.2M $226.2M Q2 2025 Q3 2025: $243.4M Q3 2025 Q4 2025: $298.0M Q4 2025 Q1 2026: $299.2M Q1 2026 Q2 2026: $337.1M Q2 2026

Holdings 103 stocks · $226.2M
IWF iShares Russell 1000 Growth 12.16% 64,778 $27.5M No change
IWD iShares Russell 1000 Value E 9.98% 116,215 $22.6M Add +0.8%
MMM 3M Co. 6.61% 98,152 $14.9M Reduce -1.7%
EFA iShares MSCI Eafe ETF 5.00% 126,545 $11.3M Add +0.7%
IWO iShares Russell 2000 Growth 3.67% 29,050 $8.3M Add +1.3%
SUSA iShares ESG Optimized MSCI U 3.59% 64,099 $8.1M Reduce -3.3%
SPY SS SPDR S&P 500 ETF Trust-US 3.46% 12,668 $7.8M Add +0.8%
MSFT Microsoft Corp. 3.32% 15,110 $7.5M Reduce -5.2%
IWP iShares Russell Mid-Cap Grow 3.31% 54,033 $7.5M No change
IWN iShares Russell 2000 Value E 2.98% 42,783 $6.7M Add +4.3%
IWS iShares Russell Mid-Cap Valu 2.92% 49,998 $6.6M Add +2.4%
AAPL Apple Inc. 2.17% 23,925 $4.9M Reduce -0.2%
VONV Vanguard Russell 1000 Value 1.57% 41,711 $3.6M Reduce -0.2%
JPM JPMorgan Chase & Co. 1.29% 10,041 $2.9M Reduce -0.2%
SPLV Invesco S&P 500 Low Volatili 1.28% 39,747 $2.9M Reduce -0.1%
IWB iShares Russell 1000 ETF 1.26% 8,397 $2.9M Add +1.0%
GLD SPDR Gold Shares 1.24% 9,210 $2.8M Reduce -1.6%
NVDA Nvidia Corp. 1.20% 17,196 $2.7M Reduce -0.7%
NUSC Nuveen ESG Small-Cap ETF 1.06% 58,680 $2.4M Reduce -3.0%
IVW iShares S&P 500 Growth ETF 1.00% 20,500 $2.3M No change
IWM iShares Russell 2000 ETF 0.96% 10,078 $2.2M Reduce -37.2%
AMZN Amazon.com Inc. 0.87% 8,998 $2.0M Reduce -2.8%
IJH iShares Core S&P Midcap ETF 0.85% 31,180 $1.9M Reduce -1.9%
GOOGL Alphabet Inc. Class A 0.85% 10,920 $1.9M Add +14.9%
V Visa Inc. Class A 0.85% 5,394 $1.9M Add +24.1%
XLU St Sr Utl SL SE SPDR ETF-Usd 0.82% 22,653 $1.8M Reduce -0.4%
XOM Exxon Mobil Corp. 0.82% 17,157 $1.8M Add +0.8%
ORCL Oracle Corp. 0.82% 8,439 $1.8M Add +0.4%
FTGC First Trust Global Tactical 0.79% 72,716 $1.8M Reduce -0.7%
GOOG Alphabet Inc. Class C 0.70% 8,980 $1.6M Reduce -1.9%
VOO Vanguard S&P 500 ETF 0.69% 2,748 $1.6M Add +6.1%
AVGO Broadcom Inc. 0.69% 5,625 $1.6M Add +0.0%
HD Home Depot Inc. 0.62% 3,814 $1.4M Add +0.0%
ABBV Abbvie Inc. 0.62% 7,520 $1.4M Add +46.6%
ECL Ecolab Inc. 0.61% 5,129 $1.4M Add +1.2%
CSCO Cisco Systems Inc. 0.60% 19,638 $1.4M Add +0.9%
COST Costco Wholesale Corp. 0.60% 1,371 $1.4M Add +0.4%
MA Mastercard Inc. Class A 0.60% 2,402 $1.3M Add +42.9%
GS Goldman Sachs Group Inc. 0.59% 1,876 $1.3M Add +61.3%
WM Waste Management Inc. 0.58% 5,752 $1.3M Add +0.6%
CAT Caterpillar Inc. 0.57% 3,345 $1.3M Add +1.9%
USB US Bancorp 0.56% 28,109 $1.3M Add +0.3%
LLY Eli Lilly & Co. 0.56% 1,629 $1.3M Add +55.9%
BRK.B Berkshire Hathaway Inc. Class B 0.56% 2,604 $1.3M Add +24.7%
IVE iShares S&P 500 Value ETF 0.53% 6,163 $1.2M No change
ABT Abbott Laboratories 0.53% 8,754 $1.2M Reduce -1.1%
BMY Bristol-Myers Squibb Co. 0.52% 25,478 $1.2M Add +0.6%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.52% 24,847 $1.2M Add +1.7%
DUK Duke Energy Corp. 0.50% 9,672 $1.1M Add +1.7%
JNJ Johnson & Johnson 0.50% 7,428 $1.1M Reduce -1.6%
ADP Automatic Data Processing 0.46% 3,348 $1.0M Add +70.9%
MCD McDonald's Corp. 0.45% 3,503 $1.0M Add +0.9%
WMT Walmart Inc. 0.45% 10,358 $1.0M Add +0.0%
AMGN Amgen Inc. 0.43% 3,518 $982K Add +80.6%
PG The Procter & Gamble Co. 0.40% 5,731 $913K Add +4.0%
IJR iShares Core S&P Small-Cap E 0.40% 8,208 $897K No change
SOLV Solventum Corp. 0.39% 11,764 $892K No change
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.38% 6,940 $861K Add +3.6%
PFE Pfizer Inc. 0.34% 32,175 $780K Add +3.0%
MRK Merck & Co. Inc. 0.34% 9,621 $762K Reduce -1.5%
MDT Medtronic PLC 0.32% 8,359 $729K Add +4.1%
KO The Coca-Cola Co. 0.32% 10,070 $712K Add +0.6%
HON Honeywell International Inc. 0.30% 2,908 $677K Reduce -37.1%
TGT Target Corp. 0.29% 6,665 $658K Add +3.7%
CVX Chevron Corp. 0.29% 4,556 $652K Add +4.6%
IJK iShares S&P Mid-Cap 400 Grow 0.28% 7,000 $637K No change
INTC Intel Corp. 0.27% 27,578 $618K Add +4.5%
LRGE Clearbridge Large Cap Growth 0.27% 7,733 $613K Reduce -11.8%
UPS United Parcel Service Class B 0.26% 5,763 $582K Reduce -27.4%
XEL Xcel Energy Inc. 0.21% 6,922 $471K Add +7.8%
FDX FedEx Corp. 0.21% 2,041 $464K Reduce -45.2%
TXN Texas Instruments Inc. 0.20% 2,157 $448K Add +7.8%
TSCO Tractor Supply Company 0.18% 7,925 $418K No change
RSG Republic Services Inc. 0.18% 1,683 $415K Reduce -11.8%
FISV Fiserv Inc. 0.18% 2,400 $414K No change
QQQ Invesco QQQ Trust Series 1 0.17% 715 $394K No change
ANET Arista Networks Inc. 0.17% 3,657 $374K No change
GE General Electric filed as GE AEROSPACE 0.17% 1,450 $373K Reduce -0.6%
QUAL iShares MSCI USA Quality Fac 0.16% 1,994 $365K No change
IJT iShares S&P Small-Cap 600 GR 0.15% 2,600 $346K No change
INTU Intuit Inc. 0.15% 433 $341K Reduce -4.6%
PGR Progressive Corp. 0.14% 1,178 $314K Reduce -15.9%
NOW ServiceNow Inc. 0.14% 298 $306K Reduce -13.6%
META Meta Platforms Inc. Class A 0.13% 395 $292K New
NUDM Nuveen ESG Intl Devel MRK Eq 0.13% 7,989 $284K Reduce -0.7%
ICE Intercontinental Exchange Inc. 0.12% 1,533 $281K Reduce -7.9%
VLTO Veralto Corp. 0.12% 2,733 $276K Add +6.7%
VUSB Vanguard Ultra Short Bond Et 0.12% 5,469 $273K No change
UBER Uber Technologies Inc. 0.11% 2,744 $256K Reduce -10.4%
VO Vngrd Mrngstr MD-Cap ETF-Usd 0.11% 890 $249K No change
MCHP Microchip Technology Inc. 0.11% 3,506 $247K New
VUG Vanguard Mrngstar GR ETF-Sui 0.11% 547 $240K No change
MTN Vail Resorts Inc. 0.10% 1,500 $236K No change
SPYM Ste STR SPDR PT S&P 500 ETF 0.10% 3,216 $234K Reduce -64.0%
MU Micron Technology Inc. 0.10% 1,882 $232K New
UNH Unitedhealth Group Inc. 0.10% 729 $227K Reduce -70.2%
TMO Thermo Fisher Scientific Inc. 0.10% 549 $223K No change
CDNS Cadence Design SYS Inc. 0.10% 716 $221K Reduce -13.0%
MRVL Marvell Technology Inc. 0.10% 2,792 $216K New
MPWR Monolithic Power Systems Inc. 0.09% 277 $203K New

Show all 103 holdings

Portfolio Sells Q1 2025 → Q2 2025
IWM iShares Russell 2000 ETF Reduce -37.2% 0.96% −0.57
UNH Unitedhealth Group Inc. Reduce -70.2% 0.10% −0.51
MMM 3M Co. Reduce -1.7% 6.61% −0.43
AAPL Apple Inc. Reduce -0.2% 2.17% −0.38
FDX FedEx Corp. Reduce -45.2% 0.21% −0.23
SPYM Ste STR SPDR PT S&P 500 ETF Reduce -64.0% 0.10% −0.18
HON Honeywell International Inc. Reduce -37.1% 0.30% −0.17
UPS United Parcel Service Class B Reduce -27.4% 0.26% −0.16
SPLV Invesco S&P 500 Low Volatili Reduce -0.1% 1.28% −0.15
UNP Union Pacific Corp. Sold out 0.00% −0.14
FTGC First Trust Global Tactical Reduce -0.7% 0.79% −0.10
AJG Arthur J Gallagher & Co. Sold out 0.00% −0.10
JNJ Johnson & Johnson Reduce -1.6% 0.50% −0.10
MRK Merck & Co. Inc. Reduce -1.5% 0.34% −0.08
VONV Vanguard Russell 1000 Value Reduce -0.2% 1.57% −0.08
SUSA iShares ESG Optimized MSCI U Reduce -3.3% 3.59% −0.06
NUSC Nuveen ESG Small-Cap ETF Reduce -3.0% 1.06% −0.06
GLD SPDR Gold Shares Reduce -1.6% 1.24% −0.05
PGR Progressive Corp. Reduce -15.9% 0.14% −0.05
XLU St Sr Utl SL SE SPDR ETF-Usd Reduce -0.4% 0.82% −0.04
RSG Republic Services Inc. Reduce -11.8% 0.18% −0.04
ABT Abbott Laboratories Reduce -1.1% 0.53% −0.04
IJH iShares Core S&P Midcap ETF Reduce -1.9% 0.85% −0.03
LRGE Clearbridge Large Cap Growth Reduce -11.8% 0.27% −0.02
ICE Intercontinental Exchange Inc. Reduce -7.9% 0.12% −0.01
CDNS Cadence Design SYS Inc. Reduce -13.0% 0.10% −0.00
NUDM Nuveen ESG Intl Devel MRK Eq Reduce -0.7% 0.13% +0.00
NOW ServiceNow Inc. Reduce -13.6% 0.14% +0.00
UBER Uber Technologies Inc. Reduce -10.4% 0.11% +0.01
INTU Intuit Inc. Reduce -4.6% 0.15% +0.02
GOOG Alphabet Inc. Class C Reduce -1.9% 0.70% +0.02
GE General Electric Reduce -0.6% 0.17% +0.03
AMZN Amazon.com Inc. Reduce -2.8% 0.87% +0.03
JPM JPMorgan Chase & Co. Reduce -0.2% 1.29% +0.10
NVDA Nvidia Corp. Reduce -0.7% 1.20% +0.30
MSFT Microsoft Corp. Reduce -5.2% 3.32% +0.46

Portfolio Buys Q1 2025 → Q2 2025
GS Goldman Sachs Group Inc. Add +61.3% 0.59% +0.28
ORCL Oracle Corp. Add +0.4% 0.82% +0.25
AVGO Broadcom Inc. Add +0.0% 0.69% +0.23
ADP Automatic Data Processing Add +70.9% 0.46% +0.17
IWO iShares Russell 2000 Growth Add +1.3% 3.67% +0.16
MA Mastercard Inc. Class A Add +42.9% 0.60% +0.15
LLY Eli Lilly & Co. Add +55.9% 0.56% +0.15
GOOGL Alphabet Inc. Class A Add +14.9% 0.85% +0.15
AMGN Amgen Inc. Add +80.6% 0.43% +0.14
META Meta Platforms Inc. Class A New 0.13% +0.13
V Visa Inc. Class A Add +24.1% 0.85% +0.12
MCHP Microchip Technology Inc. New 0.11% +0.11
MU Micron Technology Inc. New 0.10% +0.10
ABBV Abbvie Inc. Add +46.6% 0.62% +0.10
MRVL Marvell Technology Inc. New 0.10% +0.10
MPWR Monolithic Power Systems Inc. New 0.09% +0.09
NFLX Netflix Inc. New 0.09% +0.09
SPY SS SPDR S&P 500 ETF Trust-US Add +0.8% 3.46% +0.09
EFA iShares MSCI Eafe ETF Add +0.7% 5.00% +0.08
DIS The Walt Disney Co. Add +3.6% 0.38% +0.06
CAT Caterpillar Inc. Add +1.9% 0.57% +0.06
VOO Vanguard S&P 500 ETF Add +6.1% 0.69% +0.05
IWB iShares Russell 1000 ETF Add +1.0% 1.26% +0.04
BAC Bank of America Corp. Add +1.7% 0.52% +0.03
TMC TMC the Metals Co. Inc. New 0.03% +0.03
CSCO Cisco Systems Inc. Add +0.9% 0.60% +0.03
BRK.B Berkshire Hathaway Inc. Class B Add +24.7% 0.56% +0.03
TXN Texas Instruments Inc. Add +7.8% 0.20% +0.03
IWN iShares Russell 2000 Value E Add +4.3% 2.98% +0.01
WMT Walmart Inc. Add +0.0% 0.45% +0.01
VLTO Veralto Corp. Add +6.7% 0.12% +0.00
ECL Ecolab Inc. Add +1.2% 0.61% −0.01
USB US Bancorp Add +0.3% 0.56% −0.01
XEL Xcel Energy Inc. Add +7.8% 0.21% −0.01
INTC Intel Corp. Add +4.5% 0.27% −0.01
COST Costco Wholesale Corp. Add +0.4% 0.60% −0.02
MDT Medtronic PLC Add +4.1% 0.32% −0.02
IWS iShares Russell Mid-Cap Valu Add +2.4% 2.92% −0.03
KO The Coca-Cola Co. Add +0.6% 0.32% −0.03
TGT Target Corp. Add +3.7% 0.29% −0.03
PFE Pfizer Inc. Add +3.0% 0.34% −0.03
PG The Procter & Gamble Co. Add +4.0% 0.40% −0.05
DUK Duke Energy Corp. Add +1.7% 0.50% −0.05
HD Home Depot Inc. Add +0.0% 0.62% −0.05
WM Waste Management Inc. Add +0.6% 0.58% −0.05
CVX Chevron Corp. Add +4.6% 0.29% −0.06
MCD McDonald's Corp. Add +0.9% 0.45% −0.07
XOM Exxon Mobil Corp. Add +0.8% 0.82% −0.15
BMY Bristol-Myers Squibb Co. Add +0.6% 0.52% −0.22
IWD iShares Russell 1000 Value E Add +0.8% 9.98% −0.42

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 112$337.1MIWF, IWD, EFA, MMM, IWO
Q1 2026 108$299.2MIWF, IWD, EFA, MMM, LMT
Q4 2025 113$298.0MIWF, IWD, MMM, EFA, LMT
Q3 2025 103$243.4MIWF, IWD, MMM, EFA, IWO
Q2 2025 103$226.2MIWF, IWD, MMM, EFA, IWO
Q1 2025 98$208.5MIWF, IWD, MMM, EFA, SUSA
Q4 2024 100$267.8MIWF, IWD, SPY, MMM, EFA
Q3 2024 100$219.2MIWF, IWD, MMM, EFA, IWO
Q2 2024 101$256.0MIWF, IWD, SPY, EFA, MMM
Q1 2024 98$207.3MIWF, IWD, MMM, EFA, IWO