CARDEROCK CAPITAL MANAGEMENT INC
Reported holdings as of Q2 2026, from 31 quarterly filings.
Holdings
| Security | Ticker | Value | Shares | Weight | Weight change | Held | Change |
|---|---|---|---|---|---|---|---|
| LAM RESEARCH CORP | LRCX | $32.0M | 73,797 | +1.96pp | 8q | -23.0%-$9.5M | |
| ALPHABET INC | GOOGL | $20.2M | 56,486 | +0.32pp | 31q | -2.2%-$463.2K | |
| AMPHENOL CORP | APH | $18.8M | 106,575 | +0.58pp | 31q | -6.1%-$1.2M | |
| ELI LILLY & CO | LLY | $15.4M | 12,818 | +0.51pp | 9q | +1.9%+$283.1K | |
| APPLE INC | AAPL | $15.0M | 51,909 | -0.01pp | 31q | -1.5%-$232.1K | |
| HEICO CORP NEW | HEI | $14.3M | 40,081 | +0.59pp | 14q | +6.8%+$910.4K | |
| MONOLITHIC PWR SYS INC | MPWR | $14.2M | 10,301 | -0.03pp | 10q | -11.7%-$1.9M | |
| QUANTA SVCS INC | PWR | $14.1M | 19,621 | flat | 16q | -14.2%-$2.3M | |
| FORTINET INC | FTNT | $14.0M | 91,400 | +1.24pp | 23q | HELD | |
| MASTERCARD INCORPORATED | MA | $12.5M | 24,357 | -0.09pp | 31q | +6.1%+$715.4K | |
| MONSTER BEVERAGE CORP NEW | MNST | $12.0M | 124,341 | +0.54pp | 9q | +6.7%+$754.1K | |
| NVIDIA CORPORATION | NVDA | $11.3M | 56,544 | +0.17pp | 9q | +5.5%+$587.1K | |
| AMETEK INC | AME | $11.1M | 45,841 | +0.02pp | 31q | +0.8%+$83.5K | |
| PARKER-HANNIFIN CORP | PH | $10.9M | 11,112 | -0.12pp | 14q | -1.8%-$202.5K | |
| THERMO FISHER SCIENTIFIC INC | TMO | $10.5M | 20,860 | -0.29pp | 31q | -1.9%-$205.1K | |
| MICROSOFT CORP | MSFT | $10.2M | 27,435 | -0.22pp | 31q | +1.9%+$189.1K | |
| COSTCO WHOLESALE CORPORATION | COST | $10.1M | 10,821 | -0.17pp | 31q | +11.4%+$1.0M | |
| FEDERAL SIGNAL CORP | FSS | $9.6M | 74,774 | +1.19pp | 3q | +118.6%+$5.2M | |
| WW GRAINGER INC | GWW | $9.4M | 6,874 | +0.40pp | 10q | +12.4%+$1.0M | |
| CADENCE DESIGN SYSTEM INC | CDNS | $9.3M | 24,899 | +0.18pp | 23q | -8.8%-$904.1K | |
| OREILLY AUTOMOTIVE INC | ORLY | $9.3M | 101,093 | -0.29pp | 31q | -1.2%-$111.4K | |
| IDEXX LABS INC | IDXX | $8.8M | 16,627 | -0.37pp | 31q | +1.0%+$84.8K | |
| SHERWIN WILLIAMS CO | SHW | $8.7M | 25,398 | +0.02pp | 31q | +6.1%+$499.3K | |
| STERIS PLC | STE | $8.4M | 40,090 | -0.26pp | 11q | +3.5%+$282.0K | |
| LINDE PLC | LIN | $8.1M | 15,606 | -0.04pp | 5q | +5.1%+$394.9K | |
| MOTOROLA SOLUTIONS INC | MSI | $7.9M | 19,069 | -0.18pp | 5q | +6.8%+$503.3K | |
| AON PLC | AON | $7.8M | 23,559 | -0.01pp | 26q | +9.1%+$654.4K | |
| CINTAS CORP | CTAS | $7.5M | 43,970 | -0.26pp | 25q | -3.4%-$264.5K | |
| INTUITIVE SURGICAL INC | ISRG | $7.2M | 18,207 | -0.52pp | 10q | -1.8%-$132.0K | |
| HOME DEPOT INC | HD | $7.1M | 20,032 | -0.09pp | 31q | -0.8%-$55.7K | |
| AIR PRODUCTS AND CHEMICALS I | APD | $6.9M | 23,505 | -0.26pp | 31q | -5.1%-$367.4K | |
| ARCH CAP GROUP LTD | ACGL | $6.8M | 70,348 | -0.20pp | 14q | -1.5%-$105.5K | |
| STRYKER CORPORATION | SYK | $6.8M | 21,642 | -0.16pp | 9q | +6.4%+$410.6K | |
| S&P GLOBAL INC | SPGI | $6.7M | 16,357 | -0.91pp | 25q | -27.5%-$2.5M | |
| ILLINOIS TOOL WKS INC | ITW | $6.6M | 24,420 | -0.11pp | 31q | +0.9%+$61.4K | |
| MOODYS CORP | MCO | $6.2M | 13,750 | -0.47pp | 31q | -19.4%-$1.5M | |
| WASTE CONNECTIONS INC | WCN | $5.8M | 35,027 | -0.07pp | 25q | +4.2%+$233.2K | |
| INGERSOLL RAND INC | IR | $5.3M | 65,223 | -0.11pp | 13q | +0.9%+$48.9K | |
| AUTOMATIC DATA PROCESSING IN | ADP | $5.3M | 23,646 | -0.56pp | 31q | -31.2%-$2.4M | |
| TJX COS INC NEW | TJX | $5.2M | 34,486 | +0.04pp | 3q | +22.6%+$964.8K | |
| WALMART INC | WMT | $5.1M | 44,837 | -0.12pp | 3q | +12.0%+$543.3K | |
| WATSCO INC | WSO | $4.8M | 11,519 | +0.73pp | 9q | +215.6%+$3.3M | |
| INTEL CORP | INTC | $4.5M | 32,000 | +0.63pp | 2q | HELD | |
| EATON CORP PLC | ETN | $3.9M | 9,160 | - | new | NEW | |
| GALLAGHER ARTHUR J & CO | AJG | $3.7M | 16,330 | - | new | NEW | |
| WATERS CORP | WAT | $2.8M | 7,417 | - | new | NEW | |
| BERKSHIRE HATHAWAY INC DEL | BRKA | $2.2M | 3 | -0.04pp | 2q | HELD | |
| LOEWS CORP | L | $1.4M | 12,000 | -0.02pp | 2q | HELD | |
| EXXON MOBIL CORP | XOMXXXX | $988.9K | 7,233 | -0.21pp | 20q | -29.1%-$406.7K | |
| INTUIT | INTU | $889.2K | 3,407 | -1.47pp | 31q | -78.1%-$3.2M | |
| CHURCH & DWIGHT CO INC | CHD | $862.0K | 8,898 | -0.03pp | 31q | -7.3%-$67.8K | |
| ISHARES TR | IYW | $725.2K | 2,875 | +0.03pp | 20q | HELD | |
| MARRIOTT INTL INC NEW | MAR | $673.7K | 1,818 | -0.02pp | 23q | -11.0%-$83.4K | |
| LEIDOS HOLDINGS INC | LDOS | $643.7K | 6,251 | -1.24pp | 6q | -82.6%-$3.1M | |
| DARDEN RESTAURANTS INC | DRI | $618.0K | 3,000 | -0.01pp | 2q | HELD | |
| BERKSHIRE HATHAWAY INC DEL | BRKB | $600.5K | 1,200 | -0.05pp | 24q | -20.0%-$150.1K | |
| CHEVRON CORPORATION | CVX | $593.8K | 3,582 | -0.08pp | 31q | -14.3%-$99.5K | |
| JPMORGAN CHASE & CO | JPM | $540.4K | 1,651 | -0.04pp | 5q | -26.7%-$196.4K | |
| CHIPOTLE MEXICAN GRILL INC | CMG | $530.3K | 15,597 | +0.06pp | 10q | +120.0%+$289.2K | |
| PRICE T ROWE GROUP INC | TROW | $392.2K | 3,450 | +0.01pp | 31q | HELD | |
| WD 40 CO | WDFC | $365.5K | 1,500 | -0.02pp | 2q | -25.0%-$121.8K | |
| PAYCHEX INC | PAYX | $290.1K | 2,950 | flat | 31q | HELD | |
| CSX CORP | CSX | $270.9K | 5,700 | flat | 5q | HELD | |
| DNP SELECT INCOME FD INC | DNP | $254.7K | 23,604 | flat | 3q | HELD | |
| COCA COLA CO | KO | $231.6K | 2,850 | flat | 2q | HELD | |
| DANAHER CORP DEL | DHR | $210.7K | 1,106 | -1.15pp | 31q | -95.7%-$4.6M | |
| AUTOZONE INC | AZO | $207.7K | 65 | -0.01pp | 8q | HELD |
By sector
Industry comes from the SIC code on each company's own SEC filings, which is self-reported and sometimes out of date. Derivative exposure is counted with the shares. Securities the SEC assigns no industry - funds, trusts, foreign issues - are shown as not classified rather than dropped.
| Sector | Value | Share |
|---|---|---|
| Industrials | $58.7M | 12.9% |
| Semiconductors & Electronics | $56.7M | 12.4% |
| Retail & Consumer | $54.4M | 11.9% |
| Software & IT Services | $46.6M | 10.2% |
| Computer Hardware | $29.1M | 6.4% |
| Biotech & Pharma | $26.9M | 5.9% |
| Business Services | $26.4M | 5.8% |
| Autos & Aerospace | $23.9M | 5.2% |
| Insurance | $22.6M | 5.0% |
| Medical Devices | $22.5M | 4.9% |
| Instruments & Controls | $21.8M | 4.8% |
| Chemicals | $16.2M | 3.6% |
| Other sectors | $48.4M | 10.6% |
| Not classified | $1.7M | 0.4% |
Quarter by quarter
| Quarter | Value | Positions | New | Added | Trimmed | Exited | Top 10 | Days to file |
|---|---|---|---|---|---|---|---|---|
| Q2 2026 | $455.8M | 67 | 3 | 24 | 28 | 9 | 37.4% | 7 |
| Q1 2026 | $404.8M | 73 | 8 | 35 | 17 | 4 | 33.1% | 10 |
| Q4 2025 | $412.7M | 69 | 5 | 23 | 27 | 8 | 34.4% | 9 |
| Q3 2025 | $411.3M | 72 | 0 | 35 | 11 | 67 | 30.4% | 17 |
| Q2 2025 | $390.4M | 139 | 70 | 23 | 29 | 1 | 28.1% | 10 |
| Q1 2025 | $377.3M | 70 | 2 | 17 | 42 | 5 | 28.1% | 57 |
| Q4 2024 | $398.7M | 73 | 3 | 9 | 46 | 3 | 29.2% | 15 |
| Q3 2024 | $423.6M | 73 | 7 | 30 | 20 | 3 | 28.5% | 16 |
| Q2 2024 | $382.2M | 69 | 7 | 34 | 13 | 6 | 30.1% | 22 |
| Q1 2024 | $356.8M | 68 | 13 | 12 | 36 | 6 | 29.9% | 23 |
| Q4 2023 | $362.1M | 61 | 5 | 36 | 12 | 1 | 31.1% | 23 |
| Q3 2023 | $298.0M | 57 | 1 | 19 | 28 | 2 | 31.4% | 23 |
| Q2 2023 | $322.5K | 58 | 1 | 38 | 7 | 68 | 31.2% | 25 |
| Q1 2023 | $286.9M | 125 | 62 | 25 | 31 | 1 | 31.6% | 19 |
| Q4 2022 | $241.1K | 64 | 4 | 30 | 18 | 4 | 34.4% | 20 |
| Q3 2022 | $195.9M | 64 | 3 | 10 | 47 | 6 | 37.0% | 35 |
| Q2 2022 | $239.4M | 67 | 0 | 10 | 48 | 5 | 34.0% | 21 |
| Q1 2022 | $309.7M | 72 | 1 | 9 | 56 | 9 | 31.7% | 28 |
| Q4 2021 | $416.4M | 80 | 6 | 50 | 10 | 76 | 33.6% | 31 |
| Q3 2021 | $354.9M | 150 | 76 | 31 | 27 | 5 | 33.5% | 29 |
| Q2 2021 | $364.7M | 79 | 9 | 24 | 29 | 8 | 32.2% | 30 |
| Q1 2021 | $334.7M | 78 | 7 | 23 | 28 | 2 | 31.0% | 37 |
| Q4 2020 | $331.3M | 73 | 6 | 23 | 14 | 2 | 34.0% | 36 |
| Q3 2020 | $296.0M | 69 | 4 | 14 | 42 | 4 | 33.5% | 27 |
| Q2 2020 | $271.3M | 69 | 7 | 21 | 25 | 5 | 32.2% | 35 |
| Q1 2020 | $218.1M | 67 | 2 | 2 | 48 | 11 | 30.9% | 41 |
| Q4 2019 | $298.0M | 76 | 2 | 42 | 22 | 0 | 28.3% | 35 |
| Q3 2019 | $271.7M | 74 | 5 | 28 | 21 | 2 | 27.8% | 24 |
| Q2 2019 | $264.9M | 71 | 2 | 31 | 25 | 5 | 27.4% | 15 |
| Q1 2019 | $245.2M | 74 | 6 | 36 | 21 | 1 | 28.5% | 23 |
| Q4 2018 | $193.6M | 69 | 0 | 0 | 0 | 0 | 29.9% | 45 |
Rows marked UNVERIFIED ID, PLACEHOLDER ID, TICKER AS ID or NON-CUSIP ID carry an identifier that is not a valid CUSIP. They are shown because the filer reported that money, but treat the security named with caution - hover the chip for what is wrong with it, and see the methodology.
Held counts consecutive filings in which this manager reported the position, and can reach further back than the quarters listed above: the tabs begin at Q4 2018 because earlier coverage is too sparse to describe a market, but tenure is counted over every filing we hold, some reaching to 2007. A position sold and later rebought starts again from one.
Weight change is the shift in this position's share of the whole book, in percentage points. It is the more useful column: when money flows into or out of a broad fund, almost every holding is bought or sold at once, so added and trimmed largely track flows. A weight that rose while the book shrank is a decision. Both compare with the previous quarter this filer reported, not the previous calendar quarter.