Corundum Group, Inc.

Name: Corundum Group, Inc. 13F holdings, Q4 2025
Creator: Corundum Group, Inc.
Published: 2026-01-12

Q2 2026Q1 2026Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 12, 2026), Corundum Group, Inc. reported 113 stock positions worth $298.0 million. Its top holding was iShares Russell 1000 Growth (IWF) at 12.1% of the portfolio, followed by iShares Russell 1000 Value E (IWD, 11.5%) and 3M (MMM, 5.3%). Compared with Q3 2025, it opened 16 new positions, sold out of 6, added to 45 and reduced 43. The biggest buy was a new position in Lockheed Martin (LMT) and the biggest sale iShares ESG Optimized MSCI U (SUSA, shares −19%).

Most Recent 13F: Q2 2026
Location: COLORADO SPRINGS, CO
CIK: 0001486083
Portfolio Value: $298.0M (Q4 2025)
SEC Filing: 0001486083-26-000001 ↗ filed Jan 12, 2026

Holdings Value

Holdings 113 stocks · $298.0M


IWF iShares Russell 1000 Growth	12.09%	76,132	$36.0M	Add +17.5%
IWD iShares Russell 1000 Value E	11.51%	163,052	$34.3M	Add +32.9%
MMM 3M Co.	5.26%	97,999	$15.7M	Add +0.2%
EFA iShares MSCI Eafe ETF	5.01%	155,518	$14.9M	Add +21.0%
LMT Lockheed Martin Corp.	4.18%	25,760	$12.5M	New
IWO iShares Russell 2000 Growth	3.72%	34,285	$11.1M	Add +18.6%
LIN Linde PLC	3.39%	23,722	$10.1M	New
IWN iShares Russell 2000 Value E	3.28%	53,869	$9.8M	Add +23.5%
IWS iShares Russell Mid-Cap Valu	3.21%	67,887	$9.6M	Add +30.3%
IWP iShares Russell Mid-Cap Grow	3.15%	68,587	$9.4M	Add +26.9%
SPY SS SPDR S&P 500 ETF Trust-US	2.81%	12,277	$8.4M	Add +3.0%
MSFT Microsoft Corp.	2.48%	15,256	$7.4M	Add +2.2%
SUSA iShares ESG Optimized MSCI U	2.39%	51,082	$7.1M	Reduce -18.9%
AAPL Apple Inc.	2.14%	23,469	$6.4M	Add +0.1%
VONV Vanguard Russell 1000 Value	1.25%	40,341	$3.7M	Reduce -4.0%
GLD SPDR Gold Shares	1.16%	8,687	$3.4M	Reduce -5.1%
GOOGL Alphabet Inc. Class A	1.11%	10,542	$3.3M	Reduce -4.3%
IWB iShares Russell 1000 ETF	1.10%	8,798	$3.3M	Add +3.2%
SPYM Ste STR SPDR PT S&P 500 ETF	1.05%	39,180	$3.1M	Add +1030.1%
JPM JPMorgan Chase & Co.	1.05%	9,675	$3.1M	Reduce -1.5%
NVDA Nvidia Corp.	1.03%	16,478	$3.1M	Add +0.5%
SPLV Invesco S&P 500 Low Volatili	0.93%	38,807	$2.8M	Reduce -3.3%
GOOG Alphabet Inc. Class C	0.92%	8,742	$2.7M	Reduce -0.6%
IWM iShares Russell 2000 ETF	0.89%	10,821	$2.7M	Add +4.4%
IVW iShares S&P 500 Growth ETF	0.88%	21,180	$2.6M	Add +3.3%
AVGO Broadcom Inc.	0.75%	6,489	$2.2M	Add +15.4%
XOM Exxon Mobil Corp.	0.72%	17,746	$2.1M	Add +5.2%
AMZN Amazon.com Inc.	0.70%	9,080	$2.1M	Add +1.3%
NUSC Nuveen ESG Small-Cap ETF	0.69%	46,136	$2.1M	Reduce -20.0%
IJH iShares Core S&P Midcap ETF	0.66%	29,675	$2.0M	Reduce -2.0%
ABBV Abbvie Inc.	0.64%	8,311	$1.9M	Add +10.8%
XLU St Sr Utl SL SE SPDR ETF-Usd	0.61%	42,691	$1.8M	Reduce -6.5%
CAT Caterpillar Inc.	0.61%	3,178	$1.8M	Reduce -4.0%
VOO Vanguard S&P 500 ETF	0.60%	2,830	$1.8M	Add +1.8%
FTGC First Trust Global Tactical	0.55%	70,451	$1.6M	Reduce -4.3%
LLY Eli Lilly & Co.	0.55%	1,512	$1.6M	Reduce -6.3%
V Visa Inc. Class A	0.52%	4,416	$1.5M	Reduce -16.8%
JNJ Johnson & Johnson	0.51%	7,335	$1.5M	Reduce -0.4%
GS Goldman Sachs Group Inc.	0.50%	1,707	$1.5M	Reduce -6.2%
CSCO Cisco Systems Inc.	0.48%	18,420	$1.4M	Reduce -6.1%
COST Costco Wholesale Corp.	0.46%	1,596	$1.4M	Add +18.7%
USB US Bancorp	0.45%	25,346	$1.4M	Reduce -7.5%
IVE iShares S&P 500 Value ETF	0.45%	6,320	$1.3M	Add +5.9%
ECL Ecolab Inc.	0.45%	5,085	$1.3M	Reduce -0.4%
ORCL Oracle Corp.	0.44%	6,799	$1.3M	Reduce -18.3%
BMY Bristol-Myers Squibb Co.	0.43%	23,634	$1.3M	Reduce -7.1%
BRK.B Berkshire Hathaway Inc. Class B	0.42%	2,515	$1.3M	Reduce -3.6%
HD Home Depot Inc.	0.41%	3,568	$1.2M	Reduce -7.9%
MCD McDonald's Corp.	0.41%	3,953	$1.2M	Add +9.3%
ABT Abbott Laboratories	0.40%	9,619	$1.2M	Add +10.3%
BAC Bank of America Corp. filed as BANK AMERICA CORP	0.39%	21,373	$1.2M	Reduce -11.8%
WMT Walmart Inc.	0.39%	10,551	$1.2M	Add +2.7%
WM Waste Management Inc.	0.39%	5,345	$1.2M	Reduce -6.8%
IVV iShares Core S&P 500 ETF	0.37%	1,618	$1.1M	New
AMGN Amgen Inc.	0.36%	3,279	$1.1M	Reduce -7.0%
MRK Merck & Co. Inc.	0.34%	9,557	$1.0M	Reduce -1.9%
INTC Intel Corp.	0.34%	27,080	$999K	Add +0.4%
MA Mastercard Inc. Class A	0.31%	1,640	$936K	Reduce -30.0%
IJR iShares Core S&P Small-Cap E	0.31%	7,580	$911K	Reduce -7.7%
PFE Pfizer Inc.	0.27%	32,437	$808K	Reduce -0.8%
MDT Medtronic PLC	0.26%	8,173	$785K	Reduce -3.0%
KO The Coca-Cola Co.	0.25%	10,585	$740K	Add +3.5%
CVX Chevron Corp.	0.24%	4,713	$718K	Add +2.7%
DIS The Walt Disney Co. filed as DISNEY WALT CO	0.24%	6,217	$707K	Reduce -0.5%
ADP Automatic Data Processing	0.24%	2,738	$704K	Reduce -18.4%
IJK iShares S&P Mid-Cap 400 Grow	0.23%	7,200	$698K	Add +2.9%
HON Honeywell International Inc.	0.23%	3,498	$682K	Add +17.8%
SOLV Solventum Corp.	0.22%	8,227	$652K	No change
FDX FedEx Corp.	0.21%	2,161	$624K	Add +4.5%
PG The Procter & Gamble Co.	0.21%	4,308	$617K	Reduce -26.1%
PH Parker Hannifin Corp.	0.21%	696	$612K	New
CLX Clorox Company	0.20%	6,000	$605K	New
CTVA Corteva Inc.	0.18%	7,898	$529K	New
XEL Xcel Energy Inc.	0.18%	7,120	$526K	Add +0.5%
LRGE Clearbridge Large Cap Growth	0.18%	6,363	$524K	No change
MU Micron Technology Inc.	0.17%	1,783	$509K	Reduce -5.1%
GE General Electric filed as GE AEROSPACE	0.17%	1,618	$498K	Add +13.8%
DUK Duke Energy Corp.	0.16%	3,945	$462K	Reduce -59.1%
QQQ Invesco QQQ Trust Series 1	0.15%	706	$434K	Reduce -1.3%
TT Trane Technologies PLC	0.14%	1,062	$413K	New
TSM Taiwan Semiconductor-SP ADR	0.14%	1,358	$413K	Add +53.1%
TSCO Tractor Supply Company	0.13%	7,925	$396K	No change
QUAL iShares MSCI USA Quality Fac	0.13%	1,994	$396K	No change
PGR Progressive Corp.	0.13%	1,736	$395K	Add +83.7%
ANET Arista Networks Inc.	0.13%	2,915	$382K	Reduce -20.3%
TXN Texas Instruments Inc.	0.12%	2,132	$370K	Reduce -0.1%
RSG Republic Services Inc.	0.12%	1,715	$363K	Add +1.9%
INTU Intuit Inc.	0.12%	548	$363K	Add +36.7%
SNPE Xtrckr S&P 500 Scor&scrn ETF	0.12%	5,799	$362K	New
TJX TJX Companies Inc. filed as TJX COS INC NEW	0.12%	2,303	$354K	New
DHR Danaher Corp.	0.11%	1,423	$326K	New
NUDM Nuveen ESG Intl Devel MRK Eq	0.10%	8,348	$302K	Add +2.4%
ISRG Intuitive Surgical Inc.	0.10%	527	$298K	New
CDNS Cadence Design SYS Inc.	0.09%	869	$272K	Add +43.6%
VUG Vanguard Mrngstar GR ETF-Sui	0.09%	547	$267K	No change
VLTO Veralto Corp.	0.09%	2,617	$261K	Add +2.4%
VO Vngrd Mrngstr MD-Cap ETF-Usd	0.09%	890	$258K	No change
MPWR Monolithic Power Systems Inc.	0.09%	284	$257K	Add +11.8%
KKR KKR & Co. Inc.	0.09%	2,009	$256K	New
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO	0.08%	978	$253K	Add +43.8%
VUSB Vanguard Ultra Short Bond Et	0.08%	5,069	$253K	No change
META Meta Platforms Inc. Class A	0.08%	379	$250K	Reduce -7.8%
SCHW Schwab (charles) Corp.	0.08%	2,490	$249K	New
ICE Intercontinental Exchange Inc.	0.08%	1,487	$241K	Reduce -0.7%
GD General Dynamics Corp.	0.08%	708	$238K	New
NOW ServiceNow Inc.	0.08%	1,537	$235K	Add +14.7%
WST West Pharmaceutical Services	0.08%	851	$234K	New
UBER Uber Technologies Inc.	0.08%	2,814	$230K	Add +17.6%
MCK McKesson Corp.	0.07%	262	$215K	New
UNH Unitedhealth Group Inc.	0.07%	637	$210K	Reduce -5.9%
IJT iShares S&P Small-Cap 600 GR	0.07%	1,450	$205K	Reduce -44.2%
TMC TMC the Metals Co. Inc.	0.02%	10,500	$65K	No change
FUTO Futureone Inc.	0.00%	100,000	$0	No change

Portfolio Sells Q3 2025 → Q4 2025


SUSA iShares ESG Optimized MSCI U	Reduce -18.9%	2.39%	−1.12
ORCL Oracle Corp.	Reduce -18.3%	0.44%	−0.52
NUSC Nuveen ESG Small-Cap ETF	Reduce -20.0%	0.69%	−0.35
DUK Duke Energy Corp.	Reduce -59.1%	0.16%	−0.34
VONV Vanguard Russell 1000 Value	Reduce -4.0%	1.25%	−0.29
VZ Verizon Communications Inc.	Sold out	0.00%	−0.28
SPLV Invesco S&P 500 Low Volatili	Reduce -3.3%	0.93%	−0.28
TGT Target Corp.	Sold out	0.00%	−0.25
FTGC First Trust Global Tactical	Reduce -4.3%	0.55%	−0.23
MA Mastercard Inc. Class A	Reduce -30.0%	0.31%	−0.23
HD Home Depot Inc.	Reduce -7.9%	0.41%	−0.23
JPM JPMorgan Chase & Co.	Reduce -1.5%	1.05%	−0.23
V Visa Inc. Class A	Reduce -16.8%	0.52%	−0.22
XLU St Sr Utl SL SE SPDR ETF-Usd	Reduce -6.5%	0.61%	−0.21
UPS United Parcel Service Class B	Sold out	0.00%	−0.20
GLD SPDR Gold Shares	Reduce -5.1%	1.16%	−0.18
ADP Automatic Data Processing	Reduce -18.4%	0.24%	−0.17
PG The Procter & Gamble Co.	Reduce -26.1%	0.21%	−0.16
IJH iShares Core S&P Midcap ETF	Reduce -2.0%	0.66%	−0.16
FISV Fiserv Inc.	Sold out	0.00%	−0.13
ECL Ecolab Inc.	Reduce -0.4%	0.45%	−0.13
WM Waste Management Inc.	Reduce -6.8%	0.39%	−0.13
BAC Bank of America Corp.	Reduce -11.8%	0.39%	−0.12
BRK.B Berkshire Hathaway Inc. Class B	Reduce -3.6%	0.42%	−0.11
IJR iShares Core S&P Small-Cap E	Reduce -7.7%	0.31%	−0.10
MTN Vail Resorts Inc.	Sold out	0.00%	−0.09
GS Goldman Sachs Group Inc.	Reduce -6.2%	0.50%	−0.09
ANET Arista Networks Inc.	Reduce -20.3%	0.13%	−0.09
USB US Bancorp	Reduce -7.5%	0.45%	−0.09
MCHP Microchip Technology Inc.	Sold out	0.00%	−0.09
IJT iShares S&P Small-Cap 600 GR	Reduce -44.2%	0.07%	−0.08
CSCO Cisco Systems Inc.	Reduce -6.1%	0.48%	−0.08
PFE Pfizer Inc.	Reduce -0.8%	0.27%	−0.07
MDT Medtronic PLC	Reduce -3.0%	0.26%	−0.07
DIS The Walt Disney Co.	Reduce -0.5%	0.24%	−0.06
JNJ Johnson & Johnson	Reduce -0.4%	0.51%	−0.05
AMGN Amgen Inc.	Reduce -7.0%	0.36%	−0.05
BMY Bristol-Myers Squibb Co.	Reduce -7.1%	0.43%	−0.04
META Meta Platforms Inc. Class A	Reduce -7.8%	0.08%	−0.04
CAT Caterpillar Inc.	Reduce -4.0%	0.61%	−0.04
TXN Texas Instruments Inc.	Reduce -0.1%	0.12%	−0.04
QQQ Invesco QQQ Trust Series 1	Reduce -1.3%	0.15%	−0.03
UNH Unitedhealth Group Inc.	Reduce -5.9%	0.07%	−0.03
ICE Intercontinental Exchange Inc.	Reduce -0.7%	0.08%	−0.02
MRK Merck & Co. Inc.	Reduce -1.9%	0.34%	+0.00
GOOGL Alphabet Inc. Class A	Reduce -4.3%	1.11%	+0.01
LLY Eli Lilly & Co.	Reduce -6.3%	0.55%	+0.04
GOOG Alphabet Inc. Class C	Reduce -0.6%	0.92%	+0.04
MU Micron Technology Inc.	Reduce -5.1%	0.17%	+0.04

Portfolio Buys Q3 2025 → Q4 2025


LMT Lockheed Martin Corp.	New	4.18%	+4.18
LIN Linde PLC	New	3.39%	+3.39
IWD iShares Russell 1000 Value E	Add +32.9%	11.51%	+1.24
SPYM Ste STR SPDR PT S&P 500 ETF	Add +1030.1%	1.05%	+0.94
IVV iShares Core S&P 500 ETF	New	0.37%	+0.37
IWS iShares Russell Mid-Cap Valu	Add +30.3%	3.21%	+0.22
PH Parker Hannifin Corp.	New	0.21%	+0.21
CLX Clorox Company	New	0.20%	+0.20
CTVA Corteva Inc.	New	0.18%	+0.18
TT Trane Technologies PLC	New	0.14%	+0.14
SNPE Xtrckr S&P 500 Scor&scrn ETF	New	0.12%	+0.12
TJX TJX Companies Inc.	New	0.12%	+0.12
DHR Danaher Corp.	New	0.11%	+0.11
IWN iShares Russell 2000 Value E	Add +23.5%	3.28%	+0.11
ISRG Intuitive Surgical Inc.	New	0.10%	+0.10
KKR KKR & Co. Inc.	New	0.09%	+0.09
SCHW Schwab (charles) Corp.	New	0.08%	+0.08
GD General Dynamics Corp.	New	0.08%	+0.08
EFA iShares MSCI Eafe ETF	Add +21.0%	5.01%	+0.08
WST West Pharmaceutical Services	New	0.08%	+0.08
MCK McKesson Corp.	New	0.07%	+0.07
PGR Progressive Corp.	Add +83.7%	0.13%	+0.04
TSM Taiwan Semiconductor-SP ADR	Add +53.1%	0.14%	+0.04
INTU Intuit Inc.	Add +36.7%	0.12%	+0.01
FDX FedEx Corp.	Add +4.5%	0.21%	+0.01
CDNS Cadence Design SYS Inc.	Add +43.6%	0.09%	+0.00
AJG Arthur J Gallagher & Co.	Add +43.8%	0.08%	−0.00
GE General Electric	Add +13.8%	0.17%	−0.01
AVGO Broadcom Inc.	Add +15.4%	0.75%	−0.01
MPWR Monolithic Power Systems Inc.	Add +11.8%	0.09%	−0.01
IWP iShares Russell Mid-Cap Grow	Add +26.9%	3.15%	−0.01
UBER Uber Technologies Inc.	Add +17.6%	0.08%	−0.02
NOW ServiceNow Inc.	Add +14.7%	0.08%	−0.02
VLTO Veralto Corp.	Add +2.4%	0.09%	−0.02
NUDM Nuveen ESG Intl Devel MRK Eq	Add +2.4%	0.10%	−0.02
HON Honeywell International Inc.	Add +17.8%	0.23%	−0.03
KO The Coca-Cola Co.	Add +3.5%	0.25%	−0.03
INTC Intel Corp.	Add +0.4%	0.34%	−0.04
RSG Republic Services Inc.	Add +1.9%	0.12%	−0.04
WMT Walmart Inc.	Add +2.7%	0.39%	−0.04
IJK iShares S&P Mid-Cap 400 Grow	Add +2.9%	0.23%	−0.04
MCD McDonald's Corp.	Add +9.3%	0.41%	−0.05
COST Costco Wholesale Corp.	Add +18.7%	0.46%	−0.05
CVX Chevron Corp.	Add +2.7%	0.24%	−0.05
IVE iShares S&P 500 Value ETF	Add +5.9%	0.45%	−0.06
XEL Xcel Energy Inc.	Add +0.5%	0.18%	−0.06
XOM Exxon Mobil Corp.	Add +5.2%	0.72%	−0.07
ABT Abbott Laboratories	Add +10.3%	0.40%	−0.08
ABBV Abbvie Inc.	Add +10.8%	0.64%	−0.08
IWO iShares Russell 2000 Growth	Add +18.6%	3.72%	−0.08

All Filings

Quarter	Positions	13F Reported Value	Top Holdings
Q2 2026	112	$337.1M	IWF, IWD, EFA, MMM, IWO
Q1 2026	108	$299.2M	IWF, IWD, EFA, MMM, LMT
Q4 2025	113	$298.0M	IWF, IWD, MMM, EFA, LMT
Q3 2025	103	$243.4M	IWF, IWD, MMM, EFA, IWO
Q2 2025	103	$226.2M	IWF, IWD, MMM, EFA, IWO
Q1 2025	98	$208.5M	IWF, IWD, MMM, EFA, SUSA
Q4 2024	100	$267.8M	IWF, IWD, SPY, MMM, EFA
Q3 2024	100	$219.2M	IWF, IWD, MMM, EFA, IWO
Q2 2024	101	$256.0M	IWF, IWD, SPY, EFA, MMM
Q1 2024	98	$207.3M	IWF, IWD, MMM, EFA, IWO