# CARDEROCK CAPITAL MANAGEMENT INC

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1168889. Source: https://holderbook.com/funds/1168889-carderock-capital-management-inc/

- Reported value: $455.8M
- Positions: 67
- Weight of the ten largest: 37.4%
- Filed: 2026-07-07

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| LAM RESEARCH CORP | [LRCX](https://holderbook.com/stocks/LRCX/) | $32.0M | 73,797 | 7.0% | 8 |
| ALPHABET INC | [GOOGL](https://holderbook.com/stocks/GOOGL/) | $20.2M | 56,486 | 4.4% | 31 |
| AMPHENOL CORP | [APH](https://holderbook.com/stocks/APH/) | $18.8M | 106,575 | 4.1% | 31 |
| ELI LILLY & CO | [LLY](https://holderbook.com/stocks/LLY/) | $15.4M | 12,818 | 3.4% | 9 |
| APPLE INC | [AAPL](https://holderbook.com/stocks/AAPL/) | $15.0M | 51,909 | 3.3% | 31 |
| HEICO CORP NEW | [HEI](https://holderbook.com/stocks/HEI/) | $14.3M | 40,081 | 3.1% | 14 |
| MONOLITHIC PWR SYS INC | [MPWR](https://holderbook.com/stocks/MPWR/) | $14.2M | 10,301 | 3.1% | 10 |
| QUANTA SVCS INC | [PWR](https://holderbook.com/stocks/PWR/) | $14.1M | 19,621 | 3.1% | 16 |
| FORTINET INC | [FTNT](https://holderbook.com/stocks/FTNT/) | $14.0M | 91,400 | 3.1% | 23 |
| MASTERCARD INCORPORATED | [MA](https://holderbook.com/stocks/MA/) | $12.5M | 24,357 | 2.7% | 31 |
| MONSTER BEVERAGE CORP NEW | [MNST](https://holderbook.com/stocks/MNST/) | $12.0M | 124,341 | 2.6% | 9 |
| NVIDIA CORPORATION | [NVDA](https://holderbook.com/stocks/NVDA/) | $11.3M | 56,544 | 2.5% | 9 |
| AMETEK INC | [AME](https://holderbook.com/stocks/AME/) | $11.1M | 45,841 | 2.4% | 31 |
| PARKER-HANNIFIN CORP | [PH](https://holderbook.com/stocks/PH/) | $10.9M | 11,112 | 2.4% | 14 |
| THERMO FISHER SCIENTIFIC INC | [TMO](https://holderbook.com/stocks/TMO/) | $10.5M | 20,860 | 2.3% | 31 |
| MICROSOFT CORP | [MSFT](https://holderbook.com/stocks/MSFT/) | $10.2M | 27,435 | 2.2% | 31 |
| COSTCO WHOLESALE CORPORATION | [COST](https://holderbook.com/stocks/COST/) | $10.1M | 10,821 | 2.2% | 31 |
| FEDERAL SIGNAL CORP | [FSS](https://holderbook.com/stocks/FSS/) | $9.6M | 74,774 | 2.1% | 3 |
| WW GRAINGER INC | [GWW](https://holderbook.com/stocks/GWW/) | $9.4M | 6,874 | 2.1% | 10 |
| CADENCE DESIGN SYSTEM INC | [CDNS](https://holderbook.com/stocks/CDNS/) | $9.3M | 24,899 | 2.1% | 23 |
| OREILLY AUTOMOTIVE INC | [ORLY](https://holderbook.com/stocks/ORLY/) | $9.3M | 101,093 | 2.0% | 31 |
| IDEXX LABS INC | [IDXX](https://holderbook.com/stocks/IDXX/) | $8.8M | 16,627 | 1.9% | 31 |
| SHERWIN WILLIAMS CO | [SHW](https://holderbook.com/stocks/SHW/) | $8.7M | 25,398 | 1.9% | 31 |
| STERIS PLC | [STE](https://holderbook.com/stocks/STE/) | $8.4M | 40,090 | 1.9% | 11 |
| LINDE PLC | [LIN](https://holderbook.com/stocks/LIN/) | $8.1M | 15,606 | 1.8% | 5 |
| MOTOROLA SOLUTIONS INC | [MSI](https://holderbook.com/stocks/MSI/) | $7.9M | 19,069 | 1.7% | 5 |
| AON PLC | [AON](https://holderbook.com/stocks/AON/) | $7.8M | 23,559 | 1.7% | 26 |
| CINTAS CORP | [CTAS](https://holderbook.com/stocks/CTAS/) | $7.5M | 43,970 | 1.6% | 25 |
| INTUITIVE SURGICAL INC | [ISRG](https://holderbook.com/stocks/ISRG/) | $7.2M | 18,207 | 1.6% | 10 |
| HOME DEPOT INC | [HD](https://holderbook.com/stocks/HD/) | $7.1M | 20,032 | 1.6% | 31 |
| AIR PRODUCTS AND CHEMICALS I | [APD](https://holderbook.com/stocks/APD/) | $6.9M | 23,505 | 1.5% | 31 |
| ARCH CAP GROUP LTD | [ACGL](https://holderbook.com/stocks/ACGL/) | $6.8M | 70,348 | 1.5% | 14 |
| STRYKER CORPORATION | [SYK](https://holderbook.com/stocks/SYK/) | $6.8M | 21,642 | 1.5% | 9 |
| S&P GLOBAL INC | [SPGI](https://holderbook.com/stocks/SPGI/) | $6.7M | 16,357 | 1.5% | 25 |
| ILLINOIS TOOL WKS INC | [ITW](https://holderbook.com/stocks/ITW/) | $6.6M | 24,420 | 1.4% | 31 |
| MOODYS CORP | [MCO](https://holderbook.com/stocks/MCO/) | $6.2M | 13,750 | 1.4% | 31 |
| WASTE CONNECTIONS INC | [WCN](https://holderbook.com/stocks/WCN/) | $5.8M | 35,027 | 1.3% | 25 |
| INGERSOLL RAND INC | [IR](https://holderbook.com/stocks/IR/) | $5.3M | 65,223 | 1.2% | 13 |
| AUTOMATIC DATA PROCESSING IN | [ADP](https://holderbook.com/stocks/ADP/) | $5.3M | 23,646 | 1.2% | 31 |
| TJX COS INC NEW | [TJX](https://holderbook.com/stocks/TJX/) | $5.2M | 34,486 | 1.1% | 3 |
| WALMART INC | [WMT](https://holderbook.com/stocks/WMT/) | $5.1M | 44,837 | 1.1% | 3 |
| WATSCO INC | [WSO](https://holderbook.com/stocks/WSO/) | $4.8M | 11,519 | 1.1% | 9 |
| INTEL CORP | [INTC](https://holderbook.com/stocks/INTC/) | $4.5M | 32,000 | 1.0% | 2 |
| EATON CORP PLC | [ETN](https://holderbook.com/stocks/ETN/) | $3.9M | 9,160 | 0.9% | 1 |
| GALLAGHER ARTHUR J & CO | [AJG](https://holderbook.com/stocks/AJG/) | $3.7M | 16,330 | 0.8% | 1 |
| WATERS CORP | [WAT](https://holderbook.com/stocks/WAT/) | $2.8M | 7,417 | 0.6% | 1 |
| BERKSHIRE HATHAWAY INC DEL | [BRKA](https://holderbook.com/stocks/BRKA/) | $2.2M | 3 | 0.5% | 2 |
| LOEWS CORP | [L](https://holderbook.com/stocks/L/) | $1.4M | 12,000 | 0.3% | 2 |
| EXXON MOBIL CORP | [XOMXXXX](https://holderbook.com/stocks/XOMXXXX/) | $988.9K | 7,233 | 0.2% | 20 |
| INTUIT | [INTU](https://holderbook.com/stocks/INTU/) | $889.2K | 3,407 | 0.2% | 31 |
| CHURCH & DWIGHT CO INC | [CHD](https://holderbook.com/stocks/CHD/) | $862.0K | 8,898 | 0.2% | 31 |
| ISHARES TR | [IYW](https://holderbook.com/stocks/IYW/) | $725.2K | 2,875 | 0.2% | 20 |
| MARRIOTT INTL INC NEW | [MAR](https://holderbook.com/stocks/MAR/) | $673.7K | 1,818 | 0.1% | 23 |
| LEIDOS HOLDINGS INC | [LDOS](https://holderbook.com/stocks/LDOS/) | $643.7K | 6,251 | 0.1% | 6 |
| DARDEN RESTAURANTS INC | [DRI](https://holderbook.com/stocks/DRI/) | $618.0K | 3,000 | 0.1% | 2 |
| BERKSHIRE HATHAWAY INC DEL | [BRKB](https://holderbook.com/stocks/BRKB/) | $600.5K | 1,200 | 0.1% | 24 |
| CHEVRON CORPORATION | [CVX](https://holderbook.com/stocks/CVX/) | $593.8K | 3,582 | 0.1% | 31 |
| JPMORGAN CHASE & CO | [JPM](https://holderbook.com/stocks/JPM/) | $540.4K | 1,651 | 0.1% | 5 |
| CHIPOTLE MEXICAN GRILL INC | [CMG](https://holderbook.com/stocks/CMG/) | $530.3K | 15,597 | 0.1% | 10 |
| PRICE T ROWE GROUP INC | [TROW](https://holderbook.com/stocks/TROW/) | $392.2K | 3,450 | 0.1% | 31 |
| WD 40 CO | [WDFC](https://holderbook.com/stocks/WDFC/) | $365.5K | 1,500 | 0.1% | 2 |
| PAYCHEX INC | [PAYX](https://holderbook.com/stocks/PAYX/) | $290.1K | 2,950 | 0.1% | 31 |
| CSX CORP | [CSX](https://holderbook.com/stocks/CSX/) | $270.9K | 5,700 | 0.1% | 5 |
| DNP SELECT INCOME FD INC | [DNP](https://holderbook.com/stocks/DNP/) | $254.7K | 23,604 | 0.1% | 3 |
| COCA COLA CO | [KO](https://holderbook.com/stocks/KO/) | $231.6K | 2,850 | 0.1% | 2 |
| DANAHER CORP DEL | [DHR](https://holderbook.com/stocks/DHR/) | $210.7K | 1,106 | 0.0% | 31 |
| AUTOZONE INC | [AZO](https://holderbook.com/stocks/AZO/) | $207.7K | 65 | 0.0% | 8 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +15.6% | +14.8% | +0.8% | 100% |
| Q1 2026 | -5.3% | -4.6% | -0.7% | 100% |
| Q4 2025 | +2.2% | +2.4% | -0.1% | 100% |
| Q3 2025 | +2.1% | +7.8% | -5.7% | 100% |
| Q2 2025 | +6.2% | +10.5% | -4.2% | 100% |
| Q1 2025 | -1.4% | -4.6% | +3.1% | 100% |
| Q4 2024 | -1.9% | +2.1% | -4.1% | 100% |
| Q3 2024 | +8.1% | +5.4% | +2.7% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $455.8M | 67 |
| Q1 2026 | $404.8M | 73 |
| Q4 2025 | $412.7M | 69 |
| Q3 2025 | $411.3M | 72 |
| Q2 2025 | $390.4M | 139 |
| Q1 2025 | $377.3M | 70 |
| Q4 2024 | $398.7M | 73 |
| Q3 2024 | $423.6M | 73 |
| Q2 2024 | $382.2M | 69 |
| Q1 2024 | $356.8M | 68 |
| Q4 2023 | $362.1M | 61 |
| Q3 2023 | $298.0M | 57 |