Carderock Capital Management Inc Portfolio Stock Holdings
According to the SEC 13F filed on October 22, 2026, Carderock Capital Management Inc disclosed 69 stock positions valued at approximately $435.33M as of quarter-end September 30, 2026. The largest holdings include LAM RESEARCH CORP, ALPHABET INC, and APPLE INC.
- Report Period
- September 30, 2026
- No. of Stocks
- 69
- Portfolio Value
- $435.33M
Holdings by Sector
Carderock Capital Management Inc Portfolio Holdings in Q3 2026
| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| LAM RESEARCH CORP | LRCX | Technology | 4.80% | 63,639 | -10,158 | -13.76% | $20,906,048 |
| ALPHABET INC | GOOGL | Communication Services | 4.45% | 56,333 | -153 | -0.27% | $19,383,059 |
| APPLE INC | AAPL | Technology | 3.90% | 50,963 | -946 | -1.82% | $16,971,751 |
| AMPHENOL CORP | APH | Technology | 3.86% | 199,463 | +92,888 | +87.16% | $16,814,731 |
| MICROSOFT CORP | MSFT | Technology | 3.53% | 29,956 | +2,521 | +9.19% | $15,364,432 |
| ELI LILLY & CO | LLY | Healthcare | 3.37% | 12,679 | -139 | -1.08% | $14,670,617 |
| FORTINET INC | FTNT | Technology | 3.34% | 81,241 | -10,159 | -11.11% | $14,522,641 |
| THERMO FISHER SCIENTIFIC INC | TMO | Healthcare | 3.32% | 21,389 | +529 | +2.54% | $14,438,644 |
| MASTERCARD INCORPORATED | MA | Financial Services | 3.26% | 25,724 | +1,367 | +5.61% | $14,186,014 |
| NVIDIA CORPORATION | NVDA | Technology | 2.90% | 55,347 | -1,197 | -2.12% | $12,640,165 |
| MONOLITHIC PWR SYS INC | MPWR | Technology | 2.80% | 9,054 | -1,247 | -12.11% | $12,197,730 |
| HEICO CORP NEW | HEI | Industrials | 2.72% | 39,073 | -1,008 | -2.51% | $11,846,152 |
| AMETEK INC | AME | Industrials | 2.65% | 46,503 | +662 | +1.44% | $11,520,188 |
| QUANTA SVCS INC | PWR | Industrials | 2.59% | 17,526 | -2,095 | -10.68% | $11,260,630 |
| MONSTER BEVERAGE CORP NEW | MNST | Consumer Defensive | 2.36% | 246,880 | +122,539 | +98.55% | $10,275,146 |
| COSTCO WHOLESALE CORPORATION | COST | Consumer Defensive | 2.26% | 10,830 | +9 | +0.08% | $9,858,982 |
| PARKER-HANNIFIN CORP | PH | Industrials | 2.20% | 10,020 | -1,092 | -9.83% | $9,573,308 |
| MOTOROLA SOLUTIONS INC | MSI | Technology | 2.03% | 19,819 | +750 | +3.93% | $8,838,679 |
| CINTAS CORP | CTAS | Industrials | 1.99% | 44,495 | +525 | +1.19% | $8,679,195 |
| IDEXX LABS INC | IDXX | Healthcare | 1.99% | 16,609 | -18 | -0.11% | $8,673,054 |
| OREILLY AUTOMOTIVE INC | ORLY | Consumer Cyclical | 1.97% | 100,424 | -669 | -0.66% | $8,577,214 |
| FEDERAL SIGNAL CORP | FSS | Industrials | 1.94% | 76,151 | +1,377 | +1.84% | $8,436,769 |
| STERIS PLC | STE | Healthcare | 1.92% | 39,766 | -324 | -0.81% | $8,351,258 |
| SHERWIN WILLIAMS CO | SHW | Basic Materials | 1.86% | 25,030 | -368 | -1.45% | $8,091,448 |
| CADENCE DESIGN SYSTEM INC | CDNS | Technology | 1.80% | 23,731 | -1,168 | -4.69% | $7,835,621 |
| WW GRAINGER INC | GWW | Industrials | 1.77% | 6,195 | -679 | -9.88% | $7,717,483 |
| LINDE PLC | LIN | Basic Materials | 1.72% | 15,796 | +190 | +1.22% | $7,497,571 |
| ARCH CAP GROUP LTD | ACGL | Financial Services | 1.52% | 71,495 | +1,147 | +1.63% | $6,603,278 |
| S&P GLOBAL INC | SPGI | Financial Services | 1.50% | 16,578 | +221 | +1.35% | $6,539,524 |
| ILLINOIS TOOL WKS INC | ITW | Industrials | 1.48% | 25,079 | +659 | +2.70% | $6,452,325 |
Showing 30 of 69 holdings in the latest reporting period.