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Corundum Group, Inc.

SEC CIK
0001486083
Latest filing
Aug 7, 2026

Holdings in Q3 2025

Holdings as of Sep 30, 2025, filed Oct 24, 2025. Long positions only; changes compare share counts with Q2 2025.

Institution overview
Positions
103
0 vs. Q2 2025
Portfolio value
$243.4M
+$17.2M (+7.6%) vs. Q2 2025
Filed
Oct 24, 2025
SEC
Holdings of Corundum Group, Inc. in Q3 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
iShares Russell 1000 Growth ETF464287614ETF64,778$30.3M12.5%00.0%Unchanged–
iShares Russell 1000 Value ETF464287598ETF122,726$25.0M10.3%+6,511+5.6%Added–
MMM3M CoStock97,846$15.2M6.2%−306−0.3%ReducedHistory
iShares MSCI Eafe ETF464287465ETF128,551$12.0M4.9%+2,006+1.6%Added–
iShares Russell 2000 Growth ETF464287648ETF28,904$9.25M3.8%−146−0.5%Reduced–
iShares Tr464288802ESG OPTIMIZED62,978$8.54M3.5%−1,121−1.7%Reduced–
SPYSPDR S&P 500 ETF TrustETF11,920$7.94M3.3%−748−5.9%ReducedHistory
MSFTMicrosoft CorpStock14,930$7.73M3.2%−180−1.2%ReducedHistory
iShares Tr464287630RUS 2000 VAL ETF43,625$7.71M3.2%+842+2.0%Added–
iShares Russell Mid-Cap Growth ETF464287481ETF54,033$7.69M3.2%00.0%Unchanged–
iShares Russell Mid-Cap Value ETF464287473ETF52,101$7.28M3.0%+2,103+4.2%Added–
AAPLApple Inc.Stock23,455$5.97M2.5%−470−2.0%ReducedHistory
Vanguard Scottsdale FDS92206C714VNG RUS1000VAL42,023$3.76M1.5%+312+0.7%Added–
GLDSPDR Gold TrustETF9,157$3.26M1.3%−53−0.6%ReducedHistory
iShares Tr464287622RUS 1000 ETF8,524$3.12M1.3%+127+1.5%Added–
JPMJPMorgan Chase & CoStock9,823$3.10M1.3%−218−2.2%ReducedHistory
NVDANVIDIA CorpStock16,395$3.06M1.3%−801−4.7%ReducedHistory
Invesco Exch Traded FD Tr II46138E354S&P500 LOW VOL40,145$2.95M1.2%+398+1.0%Added–
GOOGLAlphabet Inc.Stock11,010$2.68M1.1%+90+0.8%AddedHistory
Nushares ETF Tr67092P607NUVEEN ESG SMLCP57,666$2.54M1.0%−1,014−1.7%Reduced–
iShares Russell 2000 ETF464287655ETF10,362$2.51M1.0%+284+2.8%Added–
iShares S&P 500 Growth ETF464287309ETF20,500$2.47M1.0%00.0%Unchanged–
ORCLOracle CorpStock8,326$2.34M1.0%−113−1.3%ReducedHistory
GOOGAlphabet Inc.Stock8,798$2.14M0.9%−182−2.0%ReducedHistory
State Street Utilities Select Sector SPDR ETF81369Y886ETF22,830$1.99M0.8%+177+0.8%Added–
iShares Core S&P Mid-Cap ETF464287507ETF30,295$1.98M0.8%−885−2.8%Reduced–
AMZNAmazon Com IncStock8,960$1.97M0.8%−38−0.4%ReducedHistory
First Tr Exchange Trad FD VI33739H101FST TR GLB FD73,579$1.91M0.8%+863+1.2%Added–
XOMExxonMobil Holdings CorpCOM16,875$1.90M0.8%−282−1.6%ReducedHistory
AVGOBroadcom Inc.Stock5,624$1.86M0.8%−10.0%ReducedHistory
VVisa Inc.Stock5,305$1.81M0.7%−89−1.6%ReducedHistory
ABBVAbbVie Inc.Stock7,498$1.74M0.7%−22−0.3%ReducedHistory
Vanguard S&P 500 ETF922908363ETF2,781$1.70M0.7%+33+1.2%Added–
CATCaterpillar IncStock3,312$1.58M0.6%−33−1.0%ReducedHistory
HDHome Depot, Inc.Stock3,873$1.57M0.6%+59+1.5%AddedHistory
GSGoldman Sachs Group IncStock1,819$1.45M0.6%−57−3.0%ReducedHistory
ECLEcolab Inc.Stock5,105$1.40M0.6%−24−0.5%ReducedHistory
JNJJohnson & JohnsonStock7,363$1.37M0.6%−65−0.9%ReducedHistory
CSCOCisco Systems, Inc.Stock19,617$1.34M0.6%−21−0.1%ReducedHistory
MAMastercard IncStock2,343$1.33M0.5%−59−2.5%ReducedHistory
USBUS Bancorp DECOM NEW27,394$1.32M0.5%−715−2.5%ReducedHistory
BRK.BBerkshire Hathaway IncStock2,609$1.31M0.5%+5+0.2%AddedHistory
WMWaste Management IncStock5,736$1.27M0.5%−16−0.3%ReducedHistory
BACBank of America CorpStock24,243$1.25M0.5%−604−2.4%ReducedHistory
COSTCostco Wholesale CorpStock1,345$1.24M0.5%−26−1.9%ReducedHistory
iShares S&P 500 Value ETF464287408ETF5,970$1.23M0.5%−193−3.1%Reduced–
LLYEli Lilly & CoStock1,613$1.23M0.5%−16−1.0%ReducedHistory
DUKDuke Energy CORPStock9,646$1.19M0.5%−26−0.3%ReducedHistory
ABTAbbott LaboratoriesStock8,725$1.17M0.5%−29−0.3%ReducedHistory
BMYBristol Myers Squibb CoStock25,445$1.15M0.5%−33−0.1%ReducedHistory
MCDMcDonalds CorpStock3,616$1.10M0.5%+113+3.2%AddedHistory
WMTWalmart Inc.Stock10,276$1.06M0.4%−82−0.8%ReducedHistory
AMGNAmgen IncStock3,526$995.0K0.4%+8+0.2%AddedHistory
ADPAutomatic Data Processing IncStock3,354$984.4K0.4%+6+0.2%AddedHistory
iShares Core S&P Small Cap ETF464287804ETF8,208$975.4K0.4%00.0%Unchanged–
INTCIntel CorpStock26,969$904.8K0.4%−609−2.2%ReducedHistory
PGProcter & Gamble CoStock5,832$896.1K0.4%+101+1.8%AddedHistory
PFEPfizer IncStock32,716$833.6K0.3%+541+1.7%AddedHistory
MRKMerck & Co., Inc.Stock9,744$817.8K0.3%+123+1.3%AddedHistory
MDTMedtronic plcStock8,427$802.6K0.3%+68+0.8%AddedHistory
DISWalt Disney CoStock6,247$715.3K0.3%−693−10.0%ReducedHistory
CVXChevron CorpStock4,591$712.9K0.3%+35+0.8%AddedHistory
VZVerizon Communications IncStock15,771$693.1K0.3%+15,771NewHistory
KOCoca Cola CoStock10,228$678.3K0.3%+158+1.6%AddedHistory
iShares S&P Mid-Cap 400 Growth ETF464287606ETF7,000$671.2K0.3%00.0%Unchanged–
HONHoneywell International IncCOM2,970$625.2K0.3%+62+2.1%AddedHistory
TGTTarget CorpStock6,755$605.9K0.2%+90+1.4%AddedHistory
SOLVSolventum CorpStock8,227$600.6K0.2%−3,537−30.1%ReducedHistory
XELXcel Energy IncStock7,083$571.2K0.2%+161+2.3%AddedHistory
ANETArista Networks, Inc.Stock3,657$532.9K0.2%00.0%UnchangedHistory
Legg Mason ETF Invt524682200CLEARBRIDGE LRG6,363$530.4K0.2%−1,370−17.7%Reduced–
UPSUnited Parcel Service IncStock5,965$498.3K0.2%+202+3.5%AddedHistory
FDXFedEx CorpStock2,069$487.9K0.2%+28+1.4%AddedHistory
TSCOTractor Supply CoCOM7,925$450.7K0.2%00.0%UnchangedHistory
Invesco QQQ Trust Series I46090E103ETF715$429.3K0.2%00.0%Unchanged–
GEGeneral Electric CoStock1,422$427.8K0.2%−28−1.9%ReducedHistory
TXNTexas Instruments IncStock2,133$391.9K0.2%−24−1.1%ReducedHistory
iShares MSCI USA Quality Factor ETF46432F339ETF1,994$387.8K0.2%00.0%Unchanged–
RSGRepublic Services, Inc.COM1,683$386.2K0.2%00.0%UnchangedHistory
iShares S&P Small-Cap 600 Growth ETF464287887ETF2,600$367.9K0.2%00.0%Unchanged–
MUMicron Technology IncStock1,879$314.4K0.1%−3−0.2%ReducedHistory
FISVFiserv IncStock2,400$309.4K0.1%00.0%UnchangedHistory
Nushares ETF Tr67092P805NUVEEN ESG INTL8,153$306.7K0.1%+164+2.1%Added–
METAMeta Platforms, Inc.Stock411$301.8K0.1%+16+4.1%AddedHistory
INTUIntuit Inc.Stock401$273.8K0.1%−32−7.4%ReducedHistory
VLTOVeralto CorpStock2,557$272.6K0.1%−176−6.4%ReducedHistory
State Street SPDR Portfolio S&P 500 ETF78464A854ETF3,467$271.6K0.1%+251+7.8%Added–
Vanguard Morningstar Growth ETF922908736ETF547$262.3K0.1%00.0%Unchanged–
Vanguard Morningstar Mid-Cap ETF922908629ETF890$261.4K0.1%00.0%Unchanged–
Vanguard BD Index FDS92203C303VANGUARD ULTRA5,069$253.4K0.1%−400−7.3%Reduced–
ICEIntercontinental Exchange, Inc.Stock1,497$252.2K0.1%−36−2.3%ReducedHistory
TSMTaiwan Semiconductor Manufacturing Co LtdADR887$247.7K0.1%+887NewHistory
NOWServiceNow, Inc.Stock268$246.6K0.1%−30−10.1%ReducedHistory
UBERUber Technologies, IncStock2,392$234.3K0.1%−352−12.8%ReducedHistory
MPWRMonolithic Power Systems, Inc.COM254$233.8K0.1%−23−8.3%ReducedHistory
UNHUnitedHealth Group IncStock677$233.8K0.1%−52−7.1%ReducedHistory
PGRProgressive CorpStock945$233.4K0.1%−233−19.8%ReducedHistory
MTNVail Resorts IncCOM1,500$224.4K0.1%00.0%UnchangedHistory
MCHPMicrochip Technology IncStock3,351$215.2K0.1%−155−4.4%ReducedHistory
CDNSCadence Design Systems IncStock605$212.5K0.1%−111−15.5%ReducedHistory

Sold out since Q2 2025 (3)

Positions held at the end of Q2 2025 that are gone from this filing.

Positions of Corundum Group, Inc. sold out since Q2 2025
SecurityClassShares in Q2 2025Value in Q2 2025% of portfolio in Q2 2025History
TMOThermo Fisher Scientific Inc.Stock549$222.6K0.1%History
MRVLMarvell Technology, Inc.COM2,792$216.1K0.1%History
NFLXNetflix IncStock150$200.9K0.1%History