CARDEROCK CAPITAL MANAGEMENT INC

CHEVY CHASE, MD · CIK 1168889 · 13F filing filed 2026-07-07

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

Others nearbyChevy Chase, MD

$455.8m reported value +12.6% vs Q1 2026

67positions

37.4%in top 10

3 new 25 added 28 reduced 9 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	LAM RESEARCH CORP COM NEW LRCX	LRCX	73,797	$32.0m7.02%	7.02%	Reduced -22.0k	-22,001 -23.0%
2	ALPHABET INC CAP STK CL A GOOGL	GOOGL	56,486	$20.2m4.43%	4.43%	Reduced -1.3k	-1,296 -2.2%
3	AMPHENOL CORP CL A APH	APH	106,575	$18.8m4.12%	4.12%	Reduced -6.9k	-6,879 -6.1%
4	ELI LILLY & CO COM LLY	LLY	12,818	$15.4m3.37%	3.37%	Added +236	+236 1.9%
5	APPLE INC COM AAPL	AAPL	51,909	$15.0m3.30%	3.30%	Reduced -802	-802 -1.5%
6	HEICO CORP NEW COM HEI	HEI	40,081	$14.3m3.13%	3.13%	Added +2.6k	+2,556 6.8%
7	MONOLITHIC PWR SYS INC COM MPWR	MPWR	10,301	$14.2m3.12%	3.12%	Reduced -1.4k	-1,364 -11.7%
8	QUANTA SVCS INC COM PWR	PWR	19,621	$14.1m3.10%	3.10%	Reduced -3.2k	-3,248 -14.2%
9	FORTINET INC COM FTNT	FTNT	91,400	$14.0m3.08%	3.08%	Added +291	+291 0.3%
10	MASTERCARD INCORPORATED CL A MA	MA	24,357	$12.5m2.74%	2.74%	Added +1.4k	+1,393 6.1%
11	MONSTER BEVERAGE CORP NEW COM MNST	MNST	124,341	$12.0m2.62%	2.62%	Added +7.8k	+7,845 6.7%
12	NVIDIA CORPORATION COM NVDA	NVDA	56,544	$11.3m2.48%	2.48%	Added +2.9k	+2,934 5.5%
13	AMETEK INC COM AME	AME	45,841	$11.1m2.43%	2.43%	Added +345	+345 0.8%
14	PARKER-HANNIFIN CORP COM PH	PH	11,112	$10.9m2.38%	2.38%	Reduced -207	-207 -1.8%
15	THERMO FISHER SCIENTIFIC INC COM TMO	TMO	20,860	$10.5m2.29%	2.29%	Reduced -409	-409 -1.9%
16	MICROSOFT CORP COM MSFT	MSFT	27,435	$10.2m2.25%	2.25%	Added +507	+507 1.9%
17	COSTCO WHSL CORP NEW COM COST	COST	10,821	$10.1m2.22%	2.22%	Added +1.1k	+1,105 11.4%
18	FEDERAL SIGNAL CORP COM FSS	FSS	74,774	$9.6m2.11%	2.11%	Added +40.6k	+40,572 118.6%
19	GRAINGER W W INC COM GWW	GWW	6,874	$9.4m2.05%	2.05%	Added +760	+760 12.4%
20	CADENCE DESIGN SYSTEM INC COM CDNS	CDNS	24,899	$9.3m2.05%	2.05%	Reduced -2.4k	-2,409 -8.8%
21	OREILLY AUTOMOTIVE INC COM ORLY	ORLY	101,093	$9.3m2.04%	2.04%	Reduced -1.2k	-1,210 -1.2%
22	IDEXX LABS INC COM IDXX	IDXX	16,627	$8.8m1.92%	1.92%	Added +161	+161 1.0%
23	SHERWIN WILLIAMS CO COM SHW	SHW	25,398	$8.7m1.92%	1.92%	Added +1.4k	+1,450 6.0%
24	STERIS PLC SHS USD STE	STE	40,090	$8.4m1.85%	1.85%	Added +1.3k	+1,339 3.5%
25	LINDE PLC SHS LIN	LIN	15,606	$8.1m1.78%	1.78%	Added +761	+761 5.1%
26	MOTOROLA SOLUTIONS INC COM NEW MSI	MSI	19,069	$7.9m1.74%	1.74%	Added +1.2k	+1,212 6.8%
27	AON PLC SHS CL A AON	AON	23,559	$7.8m1.71%	1.71%	Added +2.0k	+1,973 9.1%
28	CINTAS CORP COM CTAS	CTAS	43,970	$7.5m1.64%	1.64%	Reduced -1.6k	-1,555 -3.4%
29	INTUITIVE SURGICAL INC COM NEW ISRG	ISRG	18,207	$7.2m1.59%	1.59%	Reduced -332	-332 -1.8%
30	HOME DEPOT INC COM HD	HD	20,032	$7.1m1.55%	1.55%	Reduced -158	-158 -0.8%
31	AIR PRODS & CHEMS INC COM APD	APD	23,505	$6.9m1.51%	1.51%	Reduced -1.3k	-1,253 -5.1%
32	ARCH CAP GROUP LTD ORD ACGL	ACGL	70,348	$6.8m1.50%	1.50%	Reduced -1.1k	-1,087 -1.5%
33	STRYKER CORPORATION COM SYK	SYK	21,642	$6.8m1.50%	1.50%	Added +1.3k	+1,304 6.4%
34	S&P GLOBAL INC COM SPGI	SPGI	16,357	$6.7m1.46%	1.46%	Reduced -6.2k	-6,210 -27.5%
35	ILLINOIS TOOL WKS INC COM ITW	ITW	24,420	$6.6m1.45%	1.45%	Added +227	+227 0.9%
36	MOODYS CORP COM MCO	MCO	13,750	$6.2m1.37%	1.37%	Reduced -3.3k	-3,313 -19.4%
37	WASTE CONNECTIONS INC COM WCN	WCN	35,027	$5.8m1.28%	1.28%	Added +1.4k	+1,399 4.2%
38	INGERSOLL RAND INC COM IR	IR	65,223	$5.3m1.17%	1.17%	Added +597	+597 0.9%
39	AUTOMATIC DATA PROCESSING IN COM ADP	ADP	23,646	$5.3m1.16%	1.16%	Reduced -10.7k	-10,727 -31.2%
40	TJX COS INC NEW COM TJX	TJX	34,486	$5.2m1.15%	1.15%	Added +6.4k	+6,368 22.6%
41	WALMART INC COM WMT	WMT	44,837	$5.1m1.11%	1.11%	Added +4.8k	+4,797 12.0%
42	WATSCO INC COM WSO	WSO	11,519	$4.8m1.05%	1.05%	Added +7.9k	+7,869 215.6%
43	INTEL CORP COM INTC	INTC	32,000	$4.5m0.98%	0.98%	Unchanged
44	EATON CORP PLC SHS ETN	ETN	9,160	$3.9m0.86%	0.86%	New
45	GALLAGHER ARTHUR J & CO COM AJG	AJG	16,330	$3.7m0.82%	0.82%	New
46	WATERS CORP COM WAT	WAT	7,417	$2.8m0.61%	0.61%	New
47	BERKSHIRE HATHAWAY INC DEL CL A BRK.A	BRK.A	3	$2.2m0.49%	0.49%	Unchanged
48	LOEWS CORP COM L	L	12,000	$1.4m0.30%	0.30%	Unchanged
49	EXXON MOBIL CORP COM XOM	XOM	7,233	$988.9k0.22%	0.22%	Reduced -3.0k	-2,975 -29.1%
50	INTUIT COM INTU	INTU	3,407	$889.2k0.20%	0.20%	Reduced -12.2k	-12,165 -78.1%
51	CHURCH & DWIGHT CO INC COM CHD	CHD	8,898	$862.0k0.19%	0.19%	Reduced -700	-700 -7.3%
52	ISHARES TR U.S. TECH ETF IYW	IYW	2,875	$725.2k0.16%	0.16%	Unchanged
53	MARRIOTT INTL INC NEW CL A MAR	MAR	1,818	$673.7k0.15%	0.15%	Reduced -225	-225 -11.0%
54	LEIDOS HOLDINGS INC COM LDOS	LDOS	6,251	$643.7k0.14%	0.14%	Reduced -29.7k	-29,701 -82.6%
55	DARDEN RESTAURANTS INC COM DRI	DRI	3,000	$618.0k0.14%	0.14%	Unchanged
56	BERKSHIRE HATHAWAY INC DEL CL B NEW BRK.B	BRK.B	1,200	$600.5k0.13%	0.13%	Reduced -300	-300 -20.0%
57	CHEVRON CORP NEW COM CVX	CVX	3,582	$593.8k0.13%	0.13%	Reduced -600	-600 -14.3%
58	JPMORGAN CHASE & CO COM JPM	JPM	1,651	$540.4k0.12%	0.12%	Reduced -600	-600 -26.6%
59	CHIPOTLE MEXICAN GRILL INC COM CMG	CMG	15,597	$530.3k0.12%	0.12%	Added +8.5k	+8,506 120.0%
60	PRICE T ROWE GROUP INC COM TROW	TROW	3,450	$392.2k0.09%	0.09%	Unchanged
61	WD 40 CO COM WDFC	WDFC	1,500	$365.5k0.08%	0.08%	Reduced -500	-500 -25.0%
62	PAYCHEX INC COM PAYX	PAYX	2,950	$290.1k0.06%	0.06%	Unchanged
63	CSX CORP COM CSX	CSX	5,700	$270.9k0.06%	0.06%	Unchanged
64	DNP SELECT INCOME FD INC COM DNP	DNP	23,604	$254.7k0.06%	0.06%	Unchanged
65	COCA COLA CO COM KO	KO	2,850	$231.6k0.05%	0.05%	Unchanged
66	DANAHER CORPORATION COM DHR	DHR	1,106	$210.7k0.05%	0.05%	Reduced -24.3k	-24,345 -95.7%
67	AUTOZONE INC COM AZO	AZO	65	$207.7k0.05%	0.05%	Unchanged

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
FAIR ISAAC CORP FICO	FICO	2,736	$2.9m2.7k shares
JOHNSON & JOHNSON JNJ	JNJ	1,325	$323.9k1.3k shares
GENERAL MLS INC GIS	GIS	8,000	$297.8k8.0k shares
DIGITAL RLTY TR INC DLR	DLR	1,600	$288.3k1.6k shares
HONEYWELL INTL INC		544	$246.1k544 shares
BRISTOL-MYERS SQUIBB CO BMY	BMY	4,000	$242.6k4.0k shares
ISHARES TR DVY	DVY	1,600	$242.3k1.6k shares
ACCENTURE PLC IRELAND ACN	ACN	1,155	$229.0k1.2k shares
RTX CORPORATION RTX	RTX	1,125	$217.0k1.1k shares