Corundum Group, Inc.

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed April 23, 2025), Corundum Group, Inc. reported 98 stock positions worth $208.5 million. Its top holding was iShares Russell 1000 Growth (IWF) at 11.2% of the portfolio, followed by iShares Russell 1000 Value E (IWD, 10.4%) and 3M (MMM, 7.0%). Compared with Q4 2024, it opened 4 new positions, sold out of 6, added to 11 and reduced 70. The biggest buy was iShares ESG Optimized MSCI U (SUSA, shares +0%) and the biggest sale SS SPDR S&P 500 ETF Trust-US (SPY, shares −47%).

Most Recent 13F
Q2 2026
Location
COLORADO SPRINGS, CO
CIK
0001486083
Portfolio Value
$208.5M (Q1 2025)
SEC Filing
0001486083-25-000004 ↗ filed Apr 23, 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 $208.5M Q1 2025 Q2 2025: $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 98 stocks · $208.5M

IWF iShares Russell 1000 Growth 11.22% 64,778 $23.4M Reduce -3.1%
IWD iShares Russell 1000 Value E 10.41% 115,306 $21.7M Reduce -1.6%
MMM 3M Co. 7.03% 99,840 $14.7M Reduce -4.5%
EFA iShares MSCI Eafe ETF 4.93% 125,650 $10.3M Reduce -11.1%
SUSA iShares ESG Optimized MSCI U 3.65% 66,292 $7.6M Add +0.0%
IWO iShares Russell 2000 Growth 3.52% 28,690 $7.3M No change
SPY SS SPDR S&P 500 ETF Trust-US 3.37% 12,573 $7.0M Reduce -47.4%
IWP iShares Russell Mid-Cap Grow 3.04% 54,033 $6.3M Reduce -2.2%
IWN iShares Russell 2000 Value E 2.97% 41,021 $6.2M No change
IWS iShares Russell Mid-Cap Valu 2.95% 48,818 $6.1M Reduce -2.0%
MSFT Microsoft Corp. 2.87% 15,930 $6.0M Reduce -10.1%
AAPL Apple Inc. 2.55% 23,969 $5.3M Reduce -13.9%
VONV Vanguard Russell 1000 Value 1.66% 41,812 $3.5M Reduce -35.1%
IWM iShares Russell 2000 ETF 1.53% 16,044 $3.2M Reduce -34.4%
SPLV Invesco S&P 500 Low Volatili 1.43% 39,780 $3.0M Reduce -35.0%
GLD SPDR Gold Shares 1.29% 9,364 $2.7M Reduce -38.3%
IWB iShares Russell 1000 ETF 1.22% 8,312 $2.5M Reduce -47.6%
JPM JPMorgan Chase & Co. 1.18% 10,064 $2.5M Reduce -24.5%
NUSC Nuveen ESG Small-Cap ETF 1.11% 60,507 $2.3M Add +0.4%
XOM Exxon Mobil Corp. 0.97% 17,023 $2.0M Reduce -31.8%
IVW iShares S&P 500 Growth ETF 0.91% 20,500 $1.9M Reduce -22.6%
NVDA Nvidia Corp. 0.90% 17,319 $1.9M Reduce -46.1%
FTGC First Trust Global Tactical 0.90% 73,258 $1.9M Reduce -34.5%
IJH iShares Core S&P Midcap ETF 0.89% 31,800 $1.9M Add +2.6%
XLU St Sr Utl SL SE SPDR ETF-Usd 0.86% 22,748 $1.8M Reduce -35.6%
AMZN Amazon.com Inc. 0.84% 9,253 $1.8M Reduce -25.3%
BMY Bristol-Myers Squibb Co. 0.74% 25,338 $1.5M Reduce -41.8%
V Visa Inc. Class A 0.73% 4,347 $1.5M Reduce -33.6%
GOOGL Alphabet Inc. Class A 0.70% 9,505 $1.5M Reduce -21.7%
GOOG Alphabet Inc. Class C 0.69% 9,153 $1.4M Reduce -11.2%
HD Home Depot Inc. 0.67% 3,813 $1.4M Reduce -27.9%
VOO Vanguard S&P 500 ETF 0.64% 2,591 $1.3M Reduce -46.6%
WM Waste Management Inc. 0.63% 5,717 $1.3M Reduce -36.1%
COST Costco Wholesale Corp. 0.62% 1,365 $1.3M Reduce -31.5%
ECL Ecolab Inc. 0.62% 5,067 $1.3M Reduce -32.9%
UNH Unitedhealth Group Inc. 0.61% 2,447 $1.3M Reduce -26.7%
JNJ Johnson & Johnson 0.60% 7,551 $1.3M Reduce -8.1%
CSCO Cisco Systems Inc. 0.58% 19,468 $1.2M Reduce -30.9%
USB US Bancorp 0.57% 28,022 $1.2M Reduce -35.8%
ORCL Oracle Corp. 0.56% 8,408 $1.2M Reduce -43.5%
IVE iShares S&P 500 Value ETF 0.56% 6,163 $1.2M No change
ABT Abbott Laboratories 0.56% 8,847 $1.2M Reduce -31.9%
DUK Duke Energy Corp. 0.56% 9,511 $1.2M Reduce -34.5%
BRK.B Berkshire Hathaway Inc. Class B 0.53% 2,088 $1.1M Reduce -42.8%
MCD McDonald's Corp. 0.52% 3,471 $1.1M Reduce -35.7%
CAT Caterpillar Inc. 0.52% 3,282 $1.1M Reduce -41.3%
ABBV Abbvie Inc. 0.52% 5,129 $1.1M Reduce -44.1%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.49% 24,440 $1.0M Reduce -31.3%
HON Honeywell International Inc. 0.47% 4,621 $978K Reduce -36.7%
AVGO Broadcom Inc. 0.45% 5,624 $942K Reduce -3.6%
PG The Procter & Gamble Co. 0.45% 5,511 $939K Reduce -47.9%
MA Mastercard Inc. Class A 0.44% 1,681 $921K Reduce -45.1%
WMT Walmart Inc. 0.44% 10,354 $909K Reduce -50.4%
FDX FedEx Corp. 0.44% 3,722 $907K Reduce -34.6%
SOLV Solventum Corp. 0.43% 11,764 $895K No change
MRK Merck & Co. Inc. 0.42% 9,770 $877K Reduce -16.2%
UPS United Parcel Service Class B 0.42% 7,942 $874K Reduce -3.9%
LLY Eli Lilly & Co. 0.41% 1,045 $863K Reduce -61.5%
IJR iShares Core S&P Small-Cap E 0.41% 8,208 $858K Add +3.1%
PFE Pfizer Inc. 0.38% 31,241 $792K Add +126.3%
CVX Chevron Corp. 0.35% 4,354 $728K Reduce -50.8%
MDT Medtronic PLC 0.35% 8,031 $722K Reduce -49.9%
KO The Coca-Cola Co. 0.34% 10,009 $717K Reduce -44.7%
TGT Target Corp. 0.32% 6,429 $671K Reduce -5.5%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.32% 6,698 $661K Reduce -50.8%
GS Goldman Sachs Group Inc. 0.30% 1,163 $635K Reduce -54.6%
LRGE Clearbridge Large Cap Growth 0.29% 8,772 $612K Reduce -0.8%
AMGN Amgen Inc. 0.29% 1,948 $607K Reduce -51.3%
INTC Intel Corp. 0.29% 26,398 $599K New
ADP Automatic Data Processing 0.29% 1,959 $599K Reduce -54.0%
SPYM Ste STR SPDR PT S&P 500 ETF 0.28% 8,939 $588K Reduce -74.8%
IJK iShares S&P Mid-Cap 400 Grow 0.28% 7,000 $583K No change
FISV Fiserv Inc. 0.25% 2,400 $530K No change
RSG Republic Services Inc. 0.22% 1,907 $462K Reduce -0.6%
XEL Xcel Energy Inc. 0.22% 6,420 $454K Reduce -54.8%
TSCO Tractor Supply Company 0.21% 7,925 $437K Reduce -0.4%
PGR Progressive Corp. 0.19% 1,400 $396K Add +4.5%
TXN Texas Instruments Inc. 0.17% 2,000 $359K No change
QUAL iShares MSCI USA Quality Fac 0.16% 1,994 $341K No change
QQQ Invesco QQQ Trust Series 1 0.16% 715 $335K Reduce -4.0%
IJT iShares S&P Small-Cap 600 GR 0.16% 2,600 $324K No change
UNP Union Pacific Corp. 0.14% 1,272 $300K Add +19.8%
GE General Electric filed as GE AEROSPACE 0.14% 1,459 $292K New
ICE Intercontinental Exchange Inc. 0.14% 1,664 $287K Add +21.0%
ANET Arista Networks Inc. 0.14% 3,657 $283K Reduce -20.7%
INTU Intuit Inc. 0.13% 454 $279K Add +5.6%
NOW ServiceNow Inc. 0.13% 345 $275K Reduce -5.5%
TMO Thermo Fisher Scientific Inc. 0.13% 549 $273K No change
VUSB Vanguard Ultra Short Bond Et 0.13% 5,469 $273K New
NUDM Nuveen ESG Intl Devel MRK Eq 0.12% 8,042 $256K Reduce -7.6%
VLTO Veralto Corp. 0.12% 2,561 $250K Add +3.9%
MTN Vail Resorts Inc. 0.12% 1,500 $240K No change
VO Vngrd Mrngstr MD-Cap ETF-Usd 0.11% 890 $230K No change
UBER Uber Technologies Inc. 0.11% 3,063 $223K Reduce -10.1%
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.10% 611 $211K New
CDNS Cadence Design SYS Inc. 0.10% 823 $209K Add +10.2%
VUG Vanguard Mrngstar GR ETF-Sui 0.10% 547 $203K Reduce -0.4%
FUTO Futureone Inc. 0.00% 100,000 $0 No change

Portfolio Sells Q4 2024 → Q1 2025

SPY SS SPDR S&P 500 ETF Trust-US Reduce -47.4% 3.37% −1.86
NVDA Nvidia Corp. Reduce -46.1% 0.90% −0.71
IWB iShares Russell 1000 ETF Reduce -47.6% 1.22% −0.69
IVV iShares Core S&P 500 ETF Sold out 0.00% −0.65
SPYM Ste STR SPDR PT S&P 500 ETF Reduce -74.8% 0.28% −0.63
IWM iShares Russell 2000 ETF Reduce -34.4% 1.53% −0.48
LLY Eli Lilly & Co. Reduce -61.5% 0.41% −0.37
ORCL Oracle Corp. Reduce -43.5% 0.56% −0.36
VOO Vanguard S&P 500 ETF Reduce -46.6% 0.64% −0.34
VONV Vanguard Russell 1000 Value Reduce -35.1% 1.66% −0.30
WMT Walmart Inc. Reduce -50.4% 0.44% −0.27
DIS The Walt Disney Co. Reduce -50.8% 0.32% −0.25
GS Goldman Sachs Group Inc. Reduce -54.6% 0.30% −0.24
CAT Caterpillar Inc. Reduce -41.3% 0.52% −0.24
USB US Bancorp Reduce -35.8% 0.57% −0.21
PG The Procter & Gamble Co. Reduce -47.9% 0.45% −0.21
ADP Automatic Data Processing Reduce -54.0% 0.29% −0.18
BMY Bristol-Myers Squibb Co. Reduce -41.8% 0.74% −0.18
SPLV Invesco S&P 500 Low Volatili Reduce -35.0% 1.43% −0.17
AMZN Amazon.com Inc. Reduce -25.3% 0.84% −0.17
FDX FedEx Corp. Reduce -34.6% 0.44% −0.16
MA Mastercard Inc. Class A Reduce -45.1% 0.44% −0.16
GOOGL Alphabet Inc. Class A Reduce -21.7% 0.70% −0.15
HON Honeywell International Inc. Reduce -36.7% 0.47% −0.15
XEL Xcel Energy Inc. Reduce -54.8% 0.22% −0.14
XLU St Sr Utl SL SE SPDR ETF-Usd Reduce -35.6% 0.86% −0.14
MDT Medtronic PLC Reduce -49.9% 0.35% −0.13
CVX Chevron Corp. Reduce -50.8% 0.35% −0.13
MRVL Marvell Technology Inc. Sold out 0.00% −0.12
FTGC First Trust Global Tactical Reduce -34.5% 0.90% −0.10
AMGN Amgen Inc. Reduce -51.3% 0.29% −0.10
HD Home Depot Inc. Reduce -27.9% 0.67% −0.10
BAC Bank of America Corp. Reduce -31.3% 0.49% −0.10
ABBV Abbvie Inc. Reduce -44.1% 0.52% −0.09
IWV iShares Russell 3000 ETF Sold out 0.00% −0.09
IVW iShares S&P 500 Growth ETF Reduce -22.6% 0.91% −0.09
BRK.B Berkshire Hathaway Inc. Class B Reduce -42.8% 0.53% −0.08
ISRG Intuitive Surgical Inc. Sold out 0.00% −0.08
GLD SPDR Gold Shares Reduce -38.3% 1.29% −0.08
KO The Coca-Cola Co. Reduce -44.7% 0.34% −0.08
URTH iShares MSCI World ETF Sold out 0.00% −0.08
VOT Vngrd Mrngstr MC GRW ETF-Usd Sold out 0.00% −0.08
MCD McDonald's Corp. Reduce -35.7% 0.52% −0.06
COST Costco Wholesale Corp. Reduce -31.5% 0.62% −0.06
ANET Arista Networks Inc. Reduce -20.7% 0.14% −0.05
AVGO Broadcom Inc. Reduce -3.6% 0.45% −0.05
AAPL Apple Inc. Reduce -13.9% 2.55% −0.05
GOOG Alphabet Inc. Class C Reduce -11.2% 0.69% −0.05
CSCO Cisco Systems Inc. Reduce -30.9% 0.58% −0.05
ECL Ecolab Inc. Reduce -32.9% 0.62% −0.04

Portfolio Buys Q4 2024 → Q1 2025

SUSA iShares ESG Optimized MSCI U Add +0.0% 3.65% +0.64
INTC Intel Corp. New 0.29% +0.29
PFE Pfizer Inc. Add +126.3% 0.38% +0.24
NUSC Nuveen ESG Small-Cap ETF Add +0.4% 1.11% +0.17
IJH iShares Core S&P Midcap ETF Add +2.6% 0.89% +0.17
GE General Electric New 0.14% +0.14
VUSB Vanguard Ultra Short Bond Et New 0.13% +0.13
AJG Arthur J Gallagher & Co. New 0.10% +0.10
PGR Progressive Corp. Add +4.5% 0.19% +0.07
IJR iShares Core S&P Small-Cap E Add +3.1% 0.41% +0.07
ICE Intercontinental Exchange Inc. Add +21.0% 0.14% +0.06
UNP Union Pacific Corp. Add +19.8% 0.14% +0.05
INTU Intuit Inc. Add +5.6% 0.13% +0.03
VLTO Veralto Corp. Add +3.9% 0.12% +0.03
CDNS Cadence Design SYS Inc. Add +10.2% 0.10% +0.02

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