CARDEROCK CAPITAL MANAGEMENT INC Diversified Active

Name: CARDEROCK CAPITAL MANAGEMENT INC Q2 2026 13F Filing | 13F Explorer
Creator: CARDEROCK CAPITAL MANAGEMENT INC
Published: 2026-07-07

Location: Chevy Chase, MD

CIK: 0001168889 · Show all filings

Period: Q2 2026 (← Previous)

Filing Date: Jul 7, 2026

Total Value: $456M (100.0% shares, 0.0% debt)

Holdings (67)

New Positions (3)

ETN EATON CORP PLC 0.9%

Value $3.903M Shares 9,160 Est. Cost $426.12 Unrealized —

AJG GALLAGHER ARTHUR J & CO 0.8%

Value $3.749M Shares 16,330 Est. Cost $229.57 Unrealized —

WAT WATERS CORP 0.6%

Value $2.782M Shares 7,417 Est. Cost $375.04 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
ETN	EATON CORP PLC	9,160	$3.903M	0.9%	$426.12	—	SHS	G29183103
AJG	GALLAGHER ARTHUR J & CO	16,330	$3.749M	0.8%	$229.57	—	COM	363576109
WAT	WATERS CORP	7,417	$2.782M	0.6%	$375.04	—	COM	941848103

Increased Positions (20)

FSS FEDERAL SIGNAL CORP 2.1%

Value $9.608M (+159.8%) Shares 74,774 (+118.6%) Est. Cost $122.23 Unrealized —

HEI HEICO CORP NEW 3.1%

Value $14.28M (+38.7%) Shares 40,081 (+6.8%) Est. Cost $191.64 Unrealized —

LLY ELI LILLY & CO 3.4%

Value $15.37M (+32.9%) Shares 12,818 (+1.9%) Est. Cost $829.11 Unrealized —

MNST MONSTER BEVERAGE CORP NEW 2.6%

Value $11.95M (+41.6%) Shares 124,341 (+6.7%) Est. Cost $62.78 Unrealized —

WSO WATSCO INC 1.1%

Value $4.8M (+261.5%) Shares 11,519 (+215.6%) Est. Cost $426.26 Unrealized —

GWW WW GRAINGER INC 2.1%

Value $9.351M (+40.2%) Shares 6,874 (+12.4%) Est. Cost $991.11 Unrealized —

NVDA NVIDIA CORPORATION 2.5%

Value $11.31M (+21.0%) Shares 56,544 (+5.5%) Est. Cost $154.37 Unrealized —

SHW SHERWIN WILLIAMS CO 1.9%

Value $8.745M (+13.9%) Shares 25,398 (+6.1%) Est. Cost $237.43 Unrealized —

MA MASTERCARD INCORPORATED 2.7%

Value $12.51M (+9.0%) Shares 24,357 (+6.1%) Est. Cost $245.44 Unrealized —

AON AON PLC 1.7%

Value $7.814M (+12.2%) Shares 23,559 (+9.1%) Est. Cost $271.94 Unrealized —

LIN LINDE PLC 1.8%

Value $8.099M (+10.0%) Shares 15,606 (+5.1%) Est. Cost $459.52 Unrealized —

TJX TJX COS INC NEW 1.1%

Value $5.225M (+16.3%) Shares 34,486 (+22.6%) Est. Cost $151.48 Unrealized —

COST COSTCO WHOLESALE CORPORATION 2.2%

Value $10.12M (+4.6%) Shares 10,821 (+11.4%) Est. Cost $325.20 Unrealized —

WCN WASTE CONNECTIONS INC 1.3%

Value $5.839M (+6.9%) Shares 35,027 (+4.2%) Est. Cost $125.82 Unrealized —

CMG CHIPOTLE MEXICAN GRILL INC 0.1%

Value $530K (+133.6%) Shares 15,597 (+120.0%) Est. Cost $45.00 Unrealized —

MSFT MICROSOFT CORP 2.2%

Value $10.23M (+2.7%) Shares 27,435 (+1.9%) Est. Cost $174.22 Unrealized —

MSI MOTOROLA SOLUTIONS INC 1.7%

Value $7.919M (+2.2%) Shares 19,069 (+6.8%) Est. Cost $424.35 Unrealized —

SYK STRYKER CORPORATION 1.5%

Value $6.814M (+2.0%) Shares 21,642 (+6.4%) Est. Cost $338.37 Unrealized —

STE STERIS PLC 1.9%

Value $8.442M (-1.5%) Shares 40,090 (+3.5%) Est. Cost $249.96 Unrealized —

WMT WALMART INC 1.1%

Value $5.078M (+2.1%) Shares 44,837 (+12.0%) Est. Cost $116.22 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
FSS	FEDERAL SIGNAL CORP	74,774 (+118.6%)	$9.608M (+159.8%)	2.1%	$122.23	—	COM	313855108
HEI	HEICO CORP NEW	40,081 (+6.8%)	$14.28M (+38.7%)	3.1%	$191.64	—	COM	422806109
LLY	ELI LILLY & CO	12,818 (+1.9%)	$15.37M (+32.9%)	3.4%	$829.11	—	COM	532457108
MNST	MONSTER BEVERAGE CORP NEW	124,341 (+6.7%)	$11.95M (+41.6%)	2.6%	$62.78	—	COM	61174X109
WSO	WATSCO INC	11,519 (+215.6%)	$4.8M (+261.5%)	1.1%	$426.26	—	COM	942622200
GWW	WW GRAINGER INC	6,874 (+12.4%)	$9.351M (+40.2%)	2.1%	$991.11	—	COM	384802104
NVDA	NVIDIA CORPORATION	56,544 (+5.5%)	$11.31M (+21.0%)	2.5%	$154.37	—	COM	67066G104
SHW	SHERWIN WILLIAMS CO	25,398 (+6.1%)	$8.745M (+13.9%)	1.9%	$237.43	—	COM	824348106
MA	MASTERCARD INCORPORATED	24,357 (+6.1%)	$12.51M (+9.0%)	2.7%	$245.44	—	CL A	57636Q104
AON	AON PLC	23,559 (+9.1%)	$7.814M (+12.2%)	1.7%	$271.94	—	SHS CL A	G0403H108
LIN	LINDE PLC	15,606 (+5.1%)	$8.099M (+10.0%)	1.8%	$459.52	—	SHS	G54950103
TJX	TJX COS INC NEW	34,486 (+22.6%)	$5.225M (+16.3%)	1.1%	$151.48	—	COM	872540109
COST	COSTCO WHOLESALE CORPORATION	10,821 (+11.4%)	$10.12M (+4.6%)	2.2%	$325.20	—	COM	22160K105
WCN	WASTE CONNECTIONS INC	35,027 (+4.2%)	$5.839M (+6.9%)	1.3%	$125.82	—	COM	94106B101
CMG	CHIPOTLE MEXICAN GRILL INC	15,597 (+120.0%)	$530K (+133.6%)	0.1%	$45.00	—	COM	169656105
MSFT	MICROSOFT CORP	27,435 (+1.9%)	$10.23M (+2.7%)	2.2%	$174.22	—	COM	594918104
MSI	MOTOROLA SOLUTIONS INC	19,069 (+6.8%)	$7.919M (+2.2%)	1.7%	$424.35	—	COM NEW	620076307
SYK	STRYKER CORPORATION	21,642 (+6.4%)	$6.814M (+2.0%)	1.5%	$338.37	—	COM	863667101
STE	STERIS PLC	40,090 (+3.5%)	$8.442M (-1.5%)	1.9%	$249.96	—	SHS USD	G8473T100
WMT	WALMART INC	44,837 (+12.0%)	$5.078M (+2.1%)	1.1%	$116.22	—	COM	931142103

Exited Positions (9)

FICO FAIR ISAAC CORP 0.6%

Value $2.921M Shares 2,736 Est. Cost $1296.03 Unrealized —

JNJ JOHNSON & JOHNSON 0.1%

Value $324K Shares 1,325 Est. Cost $153.18 Unrealized —

GIS GENERAL MLS INC 0.1%

Value $298K Shares 8,000 Est. Cost $45.47 Unrealized —

DLR DIGITAL RLTY TR INC 0.1%

Value $288K Shares 1,600 Est. Cost $95.33 Unrealized —

HON HONEYWELL INTL INC 0.1%

Value $246K Shares 1,089 Est. Cost $122.41 Unrealized —

BMY BRISTOL-MYERS SQUIBB CO 0.1%

Value $243K Shares 4,000 Est. Cost $57.43 Unrealized —

DVY ISHARES TR 0.1%

Value $242K Shares 1,600 Est. Cost $117.22 Unrealized —

ACN ACCENTURE PLC IRELAND 0.1%

Value $229K Shares 1,155 Est. Cost $139.02 Unrealized —

RTX RTX CORPORATION 0.0%

Value $217K Shares 1,125 Est. Cost $173.32 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
FICO	FAIR ISAAC CORP	2,736	$2.921M	0.6%	$1296.03	—	—	303250104
JNJ	JOHNSON & JOHNSON	1,325	$324K	0.1%	$153.18	—	—	478160104
GIS	GENERAL MLS INC	8,000	$298K	0.1%	$45.47	—	—	370334104
DLR	DIGITAL RLTY TR INC	1,600	$288K	0.1%	$95.33	—	—	253868103
HON	HONEYWELL INTL INC	1,089	$246K	0.1%	$122.41	—	—	438516106
BMY	BRISTOL-MYERS SQUIBB CO	4,000	$243K	0.1%	$57.43	—	—	110122108
DVY	ISHARES TR	1,600	$242K	0.1%	$117.22	—	—	464287168
ACN	ACCENTURE PLC IRELAND	1,155	$229K	0.1%	$139.02	—	—	G1151C101
RTX	RTX CORPORATION	1,125	$217K	0.0%	$173.32	—	—	75513E101

Decreased Positions (27)

LRCX LAM RESEARCH CORP 7.0%

Value $31.98M (+56.2%) Shares 73,797 (-23.0%) Est. Cost $77.11 Unrealized —

INTU INTUIT 0.2%

Value $889K (-86.8%) Shares 3,407 (-78.1%) Est. Cost $344.32 Unrealized —

LDOS LEIDOS HOLDINGS INC 0.1%

Value $644K (-88.5%) Shares 6,251 (-82.6%) Est. Cost $147.19 Unrealized —

DHR DANAHER CORP DEL 0.0%

Value $211K (-95.6%) Shares 1,106 (-95.7%) Est. Cost $106.36 Unrealized —

APH AMPHENOL CORP 4.1%

Value $18.79M (+31.1%) Shares 106,575 (-6.1%) Est. Cost $43.08 Unrealized —

GOOGL ALPHABET INC 4.4%

Value $20.19M (+21.5%) Shares 56,486 (-2.2%) Est. Cost $131.86 Unrealized —

SPGI S&P GLOBAL INC 1.5%

Value $6.662M (-30.6%) Shares 16,357 (-27.5%) Est. Cost $368.57 Unrealized —

CDNS CADENCE DESIGN SYSTEM INC 2.1%

Value $9.345M (+23.2%) Shares 24,899 (-8.8%) Est. Cost $153.21 Unrealized —

ADP AUTOMATIC DATA PROCESSING IN 1.2%

Value $5.296M (-24.2%) Shares 23,646 (-31.2%) Est. Cost $144.80 Unrealized —

AAPL APPLE INC 3.3%

Value $15.02M (+12.3%) Shares 51,909 (-1.5%) Est. Cost $114.30 Unrealized —

PWR QUANTA SVCS INC 3.1%

Value $14.13M (+12.5%) Shares 19,621 (-14.2%) Est. Cost $439.27 Unrealized —

MPWR MONOLITHIC PWR SYS INC 3.1%

Value $14.24M (+11.6%) Shares 10,301 (-11.7%) Est. Cost $789.33 Unrealized —

ISRG INTUITIVE SURGICAL INC 1.6%

Value $7.241M (-15.3%) Shares 18,207 (-1.8%) Est. Cost $396.23 Unrealized —

MCO MOODYS CORP 1.4%

Value $6.228M (-16.3%) Shares 13,750 (-19.4%) Est. Cost $277.57 Unrealized —

XOM EXXON MOBIL CORP 0.2%

Value $989K (-42.9%) Shares 7,233 (-29.1%) Est. Cost $100.95 Unrealized —

PH PARKER-HANNIFIN CORP 2.4%

Value $10.87M (+7.3%) Shares 11,112 (-1.8%) Est. Cost $352.63 Unrealized —

APD AIR PRODUCTS AND CHEMICALS I 1.5%

Value $6.891M (-4.2%) Shares 23,505 (-5.1%) Est. Cost $207.46 Unrealized —

CVX CHEVRON CORPORATION 0.1%

Value $594K (-31.4%) Shares 3,582 (-14.3%) Est. Cost $80.52 Unrealized —

CTAS CINTAS CORP 1.6%

Value $7.478M (-2.9%) Shares 43,970 (-3.4%) Est. Cost $165.12 Unrealized —

ORLY OREILLY AUTOMOTIVE INC 2.0%

Value $9.31M (-1.4%) Shares 101,093 (-1.2%) Est. Cost $86.48 Unrealized —

JPM JPMORGAN CHASE & CO 0.1%

Value $540K (-18.4%) Shares 1,651 (-26.7%) Est. Cost $295.63 Unrealized —

BRK/B BERKSHIRE HATHAWAY INC DEL 0.1%

Value $600K (-16.5%) Shares 1,200 (-20.0%) Est. Cost $397.54 Unrealized —

WDFC WD 40 CO 0.1%

Value $365K (-10.4%) Shares 1,500 (-25.0%) Est. Cost $223.22 Unrealized —

CHD CHURCH & DWIGHT CO INC 0.2%

Value $862K (-3.8%) Shares 8,898 (-7.3%) Est. Cost $53.84 Unrealized —

ACGL ARCH CAP GROUP LTD 1.5%

Value $6.828M (-0.4%) Shares 70,348 (-1.5%) Est. Cost $72.98 Unrealized —

MAR MARRIOTT INTL INC NEW 0.1%

Value $674K (+0.8%) Shares 1,818 (-11.0%) Est. Cost $162.57 Unrealized —

TMO THERMO FISHER SCIENTIFIC INC 2.3%

Value $10.46M (+0.0%) Shares 20,860 (-1.9%) Est. Cost $329.30 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
LRCX	LAM RESEARCH CORP	73,797 (-23.0%)	$31.98M (+56.2%)	7.0%	$77.11	—	COM NEW	512807306
INTU	INTUIT	3,407 (-78.1%)	$889K (-86.8%)	0.2%	$344.32	—	COM	461202103
LDOS	LEIDOS HOLDINGS INC	6,251 (-82.6%)	$644K (-88.5%)	0.1%	$147.19	—	COM	525327102
DHR	DANAHER CORP DEL	1,106 (-95.7%)	$211K (-95.6%)	0.0%	$106.36	—	COM	235851102
APH	AMPHENOL CORP	106,575 (-6.1%)	$18.79M (+31.1%)	4.1%	$43.08	—	CL A	032095101
GOOGL	ALPHABET INC	56,486 (-2.2%)	$20.19M (+21.5%)	4.4%	$131.86	—	CAP STK CL A	02079K305
SPGI	S&P GLOBAL INC	16,357 (-27.5%)	$6.662M (-30.6%)	1.5%	$368.57	—	COM	78409V104
CDNS	CADENCE DESIGN SYSTEM INC	24,899 (-8.8%)	$9.345M (+23.2%)	2.1%	$153.21	—	COM	127387108
ADP	AUTOMATIC DATA PROCESSING IN	23,646 (-31.2%)	$5.296M (-24.2%)	1.2%	$144.80	—	COM	053015103
AAPL	APPLE INC	51,909 (-1.5%)	$15.02M (+12.3%)	3.3%	$114.30	—	COM	037833100
PWR	QUANTA SVCS INC	19,621 (-14.2%)	$14.13M (+12.5%)	3.1%	$439.27	—	COM	74762E102
MPWR	MONOLITHIC PWR SYS INC	10,301 (-11.7%)	$14.24M (+11.6%)	3.1%	$789.33	—	COM	609839105
ISRG	INTUITIVE SURGICAL INC	18,207 (-1.8%)	$7.241M (-15.3%)	1.6%	$396.23	—	COM NEW	46120E602
MCO	MOODYS CORP	13,750 (-19.4%)	$6.228M (-16.3%)	1.4%	$277.57	—	COM	615369105
XOM	EXXON MOBIL CORP	7,233 (-29.1%)	$989K (-42.9%)	0.2%	$100.95	—	COM	30231G102
PH	PARKER-HANNIFIN CORP	11,112 (-1.8%)	$10.87M (+7.3%)	2.4%	$352.63	—	COM	701094104
APD	AIR PRODUCTS AND CHEMICALS I	23,505 (-5.1%)	$6.891M (-4.2%)	1.5%	$207.46	—	COM	009158106
CVX	CHEVRON CORPORATION	3,582 (-14.3%)	$594K (-31.4%)	0.1%	$80.52	—	COM	166764100
CTAS	CINTAS CORP	43,970 (-3.4%)	$7.478M (-2.9%)	1.6%	$165.12	—	COM	172908105
ORLY	OREILLY AUTOMOTIVE INC	101,093 (-1.2%)	$9.31M (-1.4%)	2.0%	$86.48	—	COM	67103H107
JPM	JPMORGAN CHASE & CO	1,651 (-26.7%)	$540K (-18.4%)	0.1%	$295.63	—	COM	46625H100
BRK/B	BERKSHIRE HATHAWAY INC DEL	1,200 (-20.0%)	$600K (-16.5%)	0.1%	$397.54	—	CL B NEW	084670702
WDFC	WD 40 CO	1,500 (-25.0%)	$365K (-10.4%)	0.1%	$223.22	—	COM	929236107
CHD	CHURCH & DWIGHT CO INC	8,898 (-7.3%)	$862K (-3.8%)	0.2%	$53.84	—	COM	171340102
ACGL	ARCH CAP GROUP LTD	70,348 (-1.5%)	$6.828M (-0.4%)	1.5%	$72.98	—	ORD	G0450A105
MAR	MARRIOTT INTL INC NEW	1,818 (-11.0%)	$674K (+0.8%)	0.1%	$162.57	—	CL A	571903202
TMO	THERMO FISHER SCIENTIFIC INC	20,860 (-1.9%)	$10.46M (+0.0%)	2.3%	$329.30	—	COM	883556102

Unchanged Positions (17)

FTNT FORTINET INC 3.1%

Value $14.04M Shares 91,400 Est. Cost $59.83 Unrealized —

INTC INTEL CORP 1.0%

Value $4.468M Shares 32,000 Est. Cost $46.43 Unrealized —

AME AMETEK INC 2.4%

Value $11.09M Shares 45,841 Est. Cost $93.60 Unrealized —

IDXX IDEXX LABS INC 1.9%

Value $8.753M Shares 16,627 Est. Cost $681.02 Unrealized —

HD HOME DEPOT INC 1.6%

Value $7.065M Shares 20,032 Est. Cost $155.22 Unrealized —

ITW ILLINOIS TOOL WKS INC 1.4%

Value $6.605M Shares 24,420 Est. Cost $167.78 Unrealized —

IYW ISHARES TR 0.2%

Value $725K Shares 2,875 Est. Cost $101.28 Unrealized —

IR INGERSOLL RAND INC 1.2%

Value $5.348M Shares 65,223 Est. Cost $63.66 Unrealized —

BRK/A BERKSHIRE HATHAWAY INC DEL 0.5%

Value $2.247M Shares 3 Est. Cost $740378.25 Unrealized —

TROW PRICE T ROWE GROUP INC 0.1%

Value $392K Shares 3,450 Est. Cost $61.43 Unrealized —

L LOEWS CORP 0.3%

Value $1.359M Shares 12,000 Est. Cost $106.44 Unrealized —

CSX CSX CORP 0.1%

Value $271K Shares 5,700 Est. Cost $29.78 Unrealized —

DRI DARDEN RESTAURANTS INC 0.1%

Value $618K Shares 3,000 Est. Cost $207.41 Unrealized —

PAYX PAYCHEX INC 0.1%

Value $290K Shares 2,950 Est. Cost $35.96 Unrealized —

KO COCA COLA CO 0.1%

Value $232K Shares 2,850 Est. Cost $74.76 Unrealized —

AZO AUTOZONE INC 0.0%

Value $208K Shares 65 Est. Cost $3070.23 Unrealized —

— DNP SELECT INCOME FD INC 0.1%

Value $255K Shares 23,604 Est. Cost $9.99 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
FTNT	FORTINET INC	91,400	$14.04M	3.1%	$59.83	—	COM	34959E109
INTC	INTEL CORP	32,000	$4.468M	1.0%	$46.43	—	COM	458140100
AME	AMETEK INC	45,841	$11.09M	2.4%	$93.60	—	COM	031100100
IDXX	IDEXX LABS INC	16,627	$8.753M	1.9%	$681.02	—	COM	45168D104
HD	HOME DEPOT INC	20,032	$7.065M	1.6%	$155.22	—	COM	437076102
ITW	ILLINOIS TOOL WKS INC	24,420	$6.605M	1.4%	$167.78	—	COM	452308109
IYW	ISHARES TR	2,875	$725K	0.2%	$101.28	—	U.S. TECH ETF	464287721
IR	INGERSOLL RAND INC	65,223	$5.348M	1.2%	$63.66	—	COM	45687V106
BRK/A	BERKSHIRE HATHAWAY INC DEL	3	$2.247M	0.5%	$740378.25	—	CL A	084670108
TROW	PRICE T ROWE GROUP INC	3,450	$392K	0.1%	$61.43	—	COM	74144T108
L	LOEWS CORP	12,000	$1.359M	0.3%	$106.44	—	COM	540424108
CSX	CSX CORP	5,700	$271K	0.1%	$29.78	—	COM	126408103
DRI	DARDEN RESTAURANTS INC	3,000	$618K	0.1%	$207.41	—	COM	237194105
PAYX	PAYCHEX INC	2,950	$290K	0.1%	$35.96	—	COM	704326107
KO	COCA COLA CO	2,850	$232K	0.1%	$74.76	—	COM	191216100
AZO	AUTOZONE INC	65	$208K	0.0%	$3070.23	—	COM	053332102
—	DNP SELECT INCOME FD INC	23,604	$255K	0.1%	$9.99	—	COM	23325P104