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13F-HR filed by Corundum Group, Inc.

Corundum Group, Inc. filed this 13F-HR for the quarter ended 2025-12-31, filed 2026-01-12, with 113 holding rows worth $298,002,208.

Accession
0001486083-26-000001
Filed
2026-01-12
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q4 2025

A holdings report, 113 entries on the cover page, a total value of $298,002,208 stated on the cover page (in dollars after the unit check, H1), rows summing to $298,002,208 with VALUE read as dollars as filed, 13F file number 028-13880. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
ISHARESRUSSELL1000GROWTHETF464287614STOK76,132$36,033,276dollars as filed
ISHARES RUSSELL 1000 VALUE ETF464287598ETF163,052$34,296,358dollars as filed
3M CO COM88579Y101Stock97,999$15,689,640dollars as filed
ISHARES TR464287465MSCI EAFE ETF155,518$14,934,394dollars as filed
Lockheed Martin Corporation539830109COM25,760$12,459,339dollars as filed
ISHARES TR464287648RUS 2000 GRW ETF34,285$11,074,398dollars as filed
Linde plcG54950103COM23,722$10,114,824dollars as filed
ISHARES TR464287630RUS 2000 VAL ETF53,869$9,761,601dollars as filed
ISHARES RUSSELL MID-CAP VALUE ETF464287473ETF67,887$9,575,461dollars as filed
ISHARES RUSSELL MID-CAP GROWTH ETF464287481ETF68,587$9,392,304dollars as filed
SPY78462F103SHS12,277$8,371,932dollars as filed
Microsoft Corp594918104COM15,256$7,378,107dollars as filed
ISHARES TR464288802ESG OPTIMIZED51,082$7,118,021dollars as filed
Apple Inc037833100COM23,469$6,380,376dollars as filed
VANGUARD SCOTTSDALE FDS92206C714COM40,341$3,723,474dollars as filed
SPDR GOLD TR78463V107GOLD SHS8,687$3,442,745dollars as filed
Alphabet Inc. Reg. Shares A02079K305COM10,542$3,299,646dollars as filed
ISHARES RUSSELL 1000 ETF464287622ETF8,798$3,285,525dollars as filed
SPDR SER TR STATE STR SPDR PORT S&P 500 ETF78464A854SHS39,180$3,143,020dollars as filed
JPMorgan Chase & Co46625H100COM9,675$3,117,478dollars as filed
NVIDIA Corp67066G104COM16,478$3,073,147dollars as filed
INVESCO EXCH TRADED FD TR II46138E354S&P500 LOW VOL38,807$2,771,596dollars as filed
Alphabet Inc. Reg. Shares C02079K107COM8,742$2,743,240dollars as filed
iShares Russell 2000 ETF464287655SHS10,821$2,663,697dollars as filed
iShares S&P 500 Growth ETF464287309SHS21,180$2,610,647dollars as filed
Broadcom Inc.11135F101COM6,489$2,245,843dollars as filed
EXXON MOBIL CORP30231G102COM17,746$2,135,554dollars as filed
Amazon.com, Inc023135106COM9,080$2,095,846dollars as filed
NUSHARES ETF TR67092P607NUVEEN ESG SMLCP46,136$2,059,972dollars as filed
IJH464287507COM29,675$1,958,550dollars as filed
AbbVie,Inc.00287Y109COM8,311$1,898,980dollars as filed
Utilities Select Sector SPDR Fund81369Y886SHS42,691$1,822,479dollars as filed
Caterpillar Inc.149123101COM3,178$1,820,581dollars as filed
Vanguard S&P 500 ETF922908363COM2,830$1,774,778dollars as filed
FIRST TR EXCHANGE TRAD FD VI33739H101FST TR GLB FD70,451$1,636,577dollars as filed
Eli Lilly and Company532457108COM1,512$1,624,916dollars as filed
Visa Inc92826C839COM4,416$1,548,735dollars as filed
Johnson & Johnson478160104COM7,335$1,517,978dollars as filed
Goldman Sachs Group,Inc.38141G104COM1,707$1,500,453dollars as filed
Cisco Systems,Inc.17275R102COM18,420$1,418,893dollars as filed
Costco Wholesale Corporation22160K105COM1,596$1,376,295dollars as filed
USBANCORPDEL902973304COM NEW25,346$1,352,463dollars as filed
iShares S&P 500 Value ETF464287408SHS6,320$1,340,282dollars as filed
ECOLAB INC COM278865100Stock5,085$1,334,914dollars as filed
Oracle Corporation68389X105COM6,799$1,325,193dollars as filed
Bristol-Myers Squibb Company110122108COM23,634$1,274,818dollars as filed
Berkshire Hathaway Inc084670702COM2,515$1,264,165dollars as filed
Home Depot, Inc437076102COM3,568$1,227,749dollars as filed
McDonalds Corporation580135101COM3,953$1,208,155dollars as filed
Abbott Laboratories002824100COM9,619$1,205,165dollars as filed
Bank of America Corp060505104COM21,373$1,175,515dollars as filed
Walmart Inc.931142103COM10,551$1,175,450dollars as filed
Waste Management, Inc.94106L109COM5,345$1,174,350dollars as filed
ISHARES TR CORE S&P 500 ETF464287200SHS1,618$1,108,233dollars as filed
Amgen Inc.031162100COM3,279$1,073,249dollars as filed
Merck & Co.,Inc.58933Y105COM9,557$1,005,970dollars as filed
Intel Corp458140100COM27,080$999,252dollars as filed
MasterCard, Inc57636Q104COM1,640$936,243dollars as filed
iShares Core S&P Small-Cap ETF464287804SHS7,580$910,964dollars as filed
Pfizer Inc.717081103COM32,437$807,681dollars as filed
Medtronic PlcG5960L103COM8,173$785,098dollars as filed
Coca-Cola Company191216100COM10,585$739,997dollars as filed
Chevron Corporation166764100COM4,713$718,308dollars as filed
Walt Disney Co254687106COM6,217$707,320dollars as filed
Automatic Data Processing,Inc.053015103COM2,738$704,296dollars as filed
ISHARES TR464287606S&P MC 400GR ETF7,200$697,536dollars as filed
Honeywell Technologies438516106COM3,498$682,425dollars as filed
SOLVENTUM CORP COM SHS83444M101Stock8,227$651,907dollars as filed
FEDEX CORP COM31428X106Stock2,161$624,226dollars as filed
Procter & Gamble Co742718109COM4,308$617,379dollars as filed
PARKER-HANNIFIN CORP COM701094104Stock696$611,756dollars as filed
CLOROX CO DEL189054109COM6,000$604,980dollars as filed
CORTEVA INC COM22052L104Stock7,898$529,403dollars as filed
XCELENERGY INC98389B100COM7,120$525,883dollars as filed
LEGG MASON ETF INVT524682200CMN6,363$523,911dollars as filed
Micron Technology,Inc.595112103COM1,783$508,886dollars as filed
General Electric Company369604301COM1,618$498,393dollars as filed
Duke Energy Corporation26441C204COM3,945$462,393dollars as filed
INVESCO QQQ TR46090E103COM706$433,703dollars as filed
TRANE TECHNOLOGIES PLC SHSG8994E103Stock1,062$413,330dollars as filed
TAIWAN SEMICONDUCTOR MFG874039100SPONSORED ADS1,358$412,683dollars as filed
TRACTOR SUPPLY CO COM892356106Stock7,925$396,329dollars as filed
ISHARES MSCI USA QUALITY FACTOR ETF46432F339ETF1,994$396,048dollars as filed
Progressive Corporation743315103COM1,736$395,322dollars as filed
ARISTA NETWORKS INC040413205COM2,915$381,952dollars as filed
Texas Instruments Incorporated882508104COM2,132$369,881dollars as filed
REPUBLIC SVCS INC COM760759100Stock1,715$363,460dollars as filed
Intuit Inc.461202103COM548$363,006dollars as filed
DBX ETF TR233051143XTRACKRS S&P 5005,799$362,148dollars as filed
TJX Companies Inc872540109COM2,303$353,764dollars as filed
Danaher Corporation235851102COM1,423$325,753dollars as filed
NUSHARES ETF TR67092P805NUVEEN ESG INTL8,348$302,281dollars as filed
Intuitive Surgical,Inc.46120E602COM527$298,472dollars as filed
CADENCE DESIGN SYSTEM INC COM127387108Stock869$271,632dollars as filed
Vanguard Growth922908736COM547$266,859dollars as filed
VERALTO CORP COM SHS92338C103Stock2,617$261,124dollars as filed
Vanguard Mid-Cap ETF922908629SHS890$258,296dollars as filed
MONOLITHIC PWR SYS INC COM609839105Stock284$257,406dollars as filed
KKR & CO INC48251W104COM2,009$256,107dollars as filed
GALLAGHER ARTHUR J & CO COM363576109Stock978$253,097dollars as filed
Vanguard Ultra-Short Bond ETF92203C303SHS5,069$252,639dollars as filed
META PLATFORMS INC CL A30303M102COM379$250,174dollars as filed
Charles Schwab Corp808513105COM2,490$248,776dollars as filed
Intercontinental Exchange,Inc.45866F104COM1,487$240,835dollars as filed
GENERAL DYNAMICS CORP COM369550108Stock708$238,355dollars as filed
ServiceNow,Inc.81762P102COM1,537$235,453dollars as filed
WEST PHARMACEUTICAL SVSC INC COM955306105Stock851$234,144dollars as filed
Uber Technologies90353T100COM2,814$229,932dollars as filed
MCKESSON CORP COM58155Q103Stock262$214,916dollars as filed
UnitedHealth Group Inc91324P102COM637$210,280dollars as filed
ISHARES TR464287887S&P SML 600 GWT1,450$204,682dollars as filed
TMC THE METALS CO INC87261Y106COMMON STOCK10,500$64,785dollars as filed
FUTUREONE INC36114m108CS100,000$0dollars as filedValue filed as zero, left out of ratios.

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001486083-26-000001this filing2026-01-12acceptance time not in the bulk data set