Carderock Capital Management Inc.
In its 13F for Q4 2024 (holdings as of December 31, 2024, filed January 15, 2025), Carderock Capital Management Inc. reported 73 stock positions worth $398.7 million. Its top holding was Apple (AAPL) at 3.7% of the portfolio, followed by Microsoft (MSFT, 3.2%) and Mastercard Class A (MA, 3.2%). Compared with Q3 2024, it opened 3 new positions, sold out of 3, added to 9 and reduced 49. The biggest buy was Nvidia (NVDA, shares +3%) and the biggest sale Monolithic Power Systems (MPWR, shares −52%).
- Most Recent 13F
- Q2 2026
- Location
- CHEVY CHASE, MD
- CIK
- 0001168889
- Portfolio Value
- $398.7M (Q4 2024)
- SEC Filing
- 0001168889-25-000001 ↗ filed Jan 15, 2025
Holdings Value
Holdings 73 stocks · $398.7M
| AAPL Apple Inc. | 3.69% | 58,750 | $14.7M | Reduce -1.3% |
| MSFT Microsoft Corp. | 3.16% | 29,928 | $12.6M | Reduce -4.5% |
| MA Mastercard Inc. Class A | 3.16% | 23,917 | $12.6M | Reduce -1.6% |
| GOOGL Alphabet Inc. Class A | 3.03% | 63,756 | $12.1M | Reduce -3.8% |
| APH Amphenol Corp. Class A | 2.89% | 165,965 | $11.5M | Reduce -3.6% |
| ISRG Intuitive Surgical Inc. | 2.84% | 21,708 | $11.3M | Reduce -1.6% |
| FISV Fiserv Inc. | 2.66% | 51,555 | $10.6M | Reduce -4.0% |
| PH Parker Hannifin Corp. | 2.64% | 16,565 | $10.5M | Reduce -15.7% |
| FICO Fair Isaac Corp. | 2.62% | 5,252 | $10.5M | Reduce -15.1% |
| COST Costco Wholesale Corp. | 2.50% | 10,898 | $10.0M | Reduce -3.9% |
| SPGI S&P Global Inc. | 2.47% | 19,771 | $9.8M | Reduce -0.8% |
| PWR Quanta Services Inc. | 2.43% | 30,705 | $9.7M | Reduce -2.2% |
| CDNS Cadence Design SYS Inc. | 2.43% | 32,189 | $9.7M | Reduce -3.4% |
| CTAS Cintas Corp. | 2.40% | 52,381 | $9.6M | Reduce -17.7% |
| MCO Moody's Corp. | 2.35% | 19,767 | $9.4M | Reduce -0.4% |
| ADP Automatic Data Processing | 2.30% | 31,374 | $9.2M | Reduce -0.5% |
| ORLY O'reilly Automotive Inc. | 2.24% | 7,546 | $8.9M | Reduce -2.5% |
| ACGL Arch Capital Group Ltd. | 2.19% | 94,530 | $8.7M | Reduce -2.9% |
| HEI Heico Corp. | 2.18% | 36,572 | $8.7M | Reduce -1.9% |
| FTNT Fortinet Inc. | 2.13% | 89,783 | $8.5M | Reduce -0.5% |
| HD Home Depot Inc. | 2.06% | 21,137 | $8.2M | Reduce -1.2% |
| AME Ametek Inc. | 2.04% | 45,102 | $8.1M | Reduce -5.4% |
| SHW The Sherwin-Williams Co. | 2.04% | 23,912 | $8.1M | Reduce -2.4% |
| CMG Chipotle Mexican Grill Inc. | 2.00% | 131,930 | $8.0M | Reduce -2.2% |
| SYK Stryker Corp. | 1.95% | 21,626 | $7.8M | Add +1.4% |
| LRCX Lam Research Corp. | 1.93% | 106,656 | $7.7M | Reduce -4.7% |
| ACN Accenture PLC Class A | 1.88% | 21,294 | $7.5M | Reduce -2.4% |
| WCN Waste Connections Inc. | 1.87% | 43,447 | $7.5M | Reduce -1.8% |
| NVDA Nvidia Corp. | 1.86% | 55,115 | $7.4M | Add +3.0% |
| APD Air Products & Chemicals Inc. | 1.85% | 25,398 | $7.4M | Reduce -1.2% |
| ROP Roper Technologies Inc. | 1.80% | 13,807 | $7.2M | Reduce -3.0% |
| AON Aon PLC Class A | 1.67% | 18,497 | $6.6M | Add +5.5% |
| INTU Intuit Inc. | 1.64% | 10,395 | $6.5M | Reduce -4.9% |
| TMO Thermo Fisher Scientific Inc. | 1.61% | 12,332 | $6.4M | Reduce -2.4% |
| IR Ingersoll-Rand Inc. | 1.59% | 70,034 | $6.3M | Reduce -3.6% |
| LLY Eli Lilly & Co. | 1.57% | 8,123 | $6.3M | Reduce -9.4% |
| WSO Watsco Inc. | 1.53% | 12,852 | $6.1M | Reduce -1.0% |
| CHD Church & Dwight Co. Inc. | 1.43% | 54,530 | $5.7M | Reduce -5.2% |
| IDXX Idexx Laboratories Inc. | 1.43% | 13,769 | $5.7M | Reduce -5.0% |
| UNH Unitedhealth Group Inc. | 1.40% | 11,038 | $5.6M | Reduce -3.3% |
| STE Steris PLC | 1.39% | 26,922 | $5.5M | Reduce -9.0% |
| ITW Illinois Tool Works | 1.36% | 21,358 | $5.4M | Add +0.6% |
| GWW WW Grainger Inc. filed as GRAINGER W W INC | 1.26% | 4,749 | $5.0M | Add +0.2% |
| DHR Danaher Corp. | 1.13% | 19,683 | $4.5M | Reduce -7.5% |
| LMT Lockheed Martin Corp. | 1.09% | 8,977 | $4.4M | Reduce -11.1% |
| HSY The Hershey Co. | 0.80% | 18,816 | $3.2M | Reduce -7.8% |
| MPWR Monolithic Power Systems Inc. | 0.72% | 4,850 | $2.9M | Reduce -51.6% |
| MNST Monster Beverage Corp. | 0.61% | 46,246 | $2.4M | Reduce -3.3% |
| VFIAX Vanguard 500 Index-Adm | 0.61% | 4,449 | $2.4M | Add +27.2% |
| ANSS Ansys Inc. | 0.60% | 7,047 | $2.4M | Reduce -6.2% |
| XOM Exxon Mobil Corp. | 0.37% | 13,633 | $1.5M | Add +293.7% |
| TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC | 0.28% | 9,875 | $1.1M | Reduce -2.2% |
| HON Honeywell International Inc. | 0.27% | 4,734 | $1.1M | Reduce -2.1% |
| MTD Mettler-Toledo International | 0.24% | 793 | $970K | Reduce -10.7% |
| MAR Marriott International Class A | 0.18% | 2,544 | $710K | Add +48.1% |
| CVX Chevron Corp. | 0.16% | 4,307 | $624K | No change |
| ABT Abbott Laboratories | 0.15% | 5,335 | $603K | No change |
| NPRTX Neuberger Large CP Value-Inv | 0.13% | 11,195 | $502K | No change |
| NBGNX Neuberger Genesis Fund | 0.12% | 7,559 | $493K | Reduce -1.9% |
| IYW iShares Ustechnology ETF | 0.12% | 3,000 | $479K | No change |
| UNP Union Pacific Corp. | 0.11% | 1,918 | $437K | New |
| PAYX Paychex Inc. | 0.10% | 2,950 | $414K | No change |
| BRK.B Berkshire Hathaway Inc. Class B | 0.10% | 845 | $383K | Reduce -0.6% |
| DE Deere & Co. | 0.09% | 860 | $364K | New |
| AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO | 0.09% | 1,200 | $341K | No change |
| DLR Digital Realty Trust Inc. | 0.08% | 1,700 | $301K | No change |
| PG The Procter & Gamble Co. | 0.07% | 1,770 | $297K | New |
| DVY iShares Select Dividend ETF | 0.06% | 1,766 | $232K | No change |
| DFEOX Dfa US Core Eqty 1 Port-Inst | 0.06% | 5,281 | $228K | No change |
| CSX CSX Corp. | 0.05% | 6,650 | $215K | No change |
| JNJ Johnson & Johnson | 0.05% | 1,450 | $210K | No change |
| Duff & Phelps Util Income | 0.05% | 23,604 | $208K | Add +66.2% |
| AZO AutoZone Inc. | 0.05% | 65 | $208K | No change |
Portfolio Sells Q3 2024 → Q4 2024
| MPWR Monolithic Power Systems Inc. | Reduce -51.6% | 0.72% | −1.47 |
| CTAS Cintas Corp. | Reduce -17.7% | 2.40% | −0.69 |
| ACGL Arch Capital Group Ltd. | Reduce -2.9% | 2.19% | −0.38 |
| STE Steris PLC | Reduce -9.0% | 1.39% | −0.31 |
| LLY Eli Lilly & Co. | Reduce -9.4% | 1.57% | −0.30 |
| IDXX Idexx Laboratories Inc. | Reduce -5.0% | 1.43% | −0.30 |
| LMT Lockheed Martin Corp. | Reduce -11.1% | 1.09% | −0.30 |
| PH Parker Hannifin Corp. | Reduce -15.7% | 2.64% | −0.29 |
| DHR Danaher Corp. | Reduce -7.5% | 1.13% | −0.26 |
| TMO Thermo Fisher Scientific Inc. | Reduce -2.4% | 1.61% | −0.24 |
| LRCX Lam Research Corp. | Reduce -4.7% | 1.93% | −0.22 |
| FICO Fair Isaac Corp. | Reduce -15.1% | 2.62% | −0.22 |
| UNH Unitedhealth Group Inc. | Reduce -3.3% | 1.40% | −0.17 |
| SHW The Sherwin-Williams Co. | Reduce -2.4% | 2.04% | −0.17 |
| HSY The Hershey Co. | Reduce -7.8% | 0.80% | −0.12 |
| HEI Heico Corp. | Reduce -1.9% | 2.18% | −0.12 |
| IR Ingersoll-Rand Inc. | Reduce -3.6% | 1.59% | −0.09 |
| MTD Mettler-Toledo International | Reduce -10.7% | 0.24% | −0.07 |
| ROP Roper Technologies Inc. | Reduce -3.0% | 1.80% | −0.07 |
| DGRW Wisdomtree U.S. Quality Divi | Sold out | 0.00% | −0.07 |
| OUSA Alps Oshares US Quality Divi | Sold out | 0.00% | −0.06 |
| KO The Coca-Cola Co. | Sold out | 0.00% | −0.05 |
| MSFT Microsoft Corp. | Reduce -4.5% | 3.16% | −0.02 |
| NBGNX Neuberger Genesis Fund | Reduce -1.9% | 0.12% | −0.00 |
| WCN Waste Connections Inc. | Reduce -1.8% | 1.87% | +0.00 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -0.6% | 0.10% | +0.00 |
| CHD Church & Dwight Co. Inc. | Reduce -5.2% | 1.43% | +0.01 |
| HD Home Depot Inc. | Reduce -1.2% | 2.06% | +0.02 |
| WSO Watsco Inc. | Reduce -1.0% | 1.53% | +0.02 |
| TROW T Rowe Price Group Inc. | Reduce -2.2% | 0.28% | +0.02 |
| MNST Monster Beverage Corp. | Reduce -3.3% | 0.61% | +0.02 |
| ANSS Ansys Inc. | Reduce -6.2% | 0.60% | +0.03 |
| HON Honeywell International Inc. | Reduce -2.1% | 0.27% | +0.03 |
| INTU Intuit Inc. | Reduce -4.9% | 1.64% | +0.04 |
| SPGI S&P Global Inc. | Reduce -0.8% | 2.47% | +0.04 |
| APD Air Products & Chemicals Inc. | Reduce -1.2% | 1.85% | +0.04 |
| ACN Accenture PLC Class A | Reduce -2.4% | 1.88% | +0.06 |
| AME Ametek Inc. | Reduce -5.4% | 2.04% | +0.11 |
| MCO Moody's Corp. | Reduce -0.4% | 2.35% | +0.12 |
| COST Costco Wholesale Corp. | Reduce -3.9% | 2.50% | +0.13 |
| ORLY O'reilly Automotive Inc. | Reduce -2.5% | 2.24% | +0.14 |
| CMG Chipotle Mexican Grill Inc. | Reduce -2.2% | 2.00% | +0.16 |
| PWR Quanta Services Inc. | Reduce -2.2% | 2.43% | +0.22 |
| ADP Automatic Data Processing | Reduce -0.5% | 2.30% | +0.24 |
| APH Amphenol Corp. Class A | Reduce -3.6% | 2.89% | +0.24 |
| ISRG Intuitive Surgical Inc. | Reduce -1.6% | 2.84% | +0.28 |
| CDNS Cadence Design SYS Inc. | Reduce -3.4% | 2.43% | +0.29 |
| MA Mastercard Inc. Class A | Reduce -1.6% | 3.16% | +0.33 |
| FISV Fiserv Inc. | Reduce -4.0% | 2.66% | +0.38 |
| AAPL Apple Inc. | Reduce -1.3% | 3.69% | +0.42 |
Portfolio Buys Q3 2024 → Q4 2024
| NVDA Nvidia Corp. | Add +3.0% | 1.86% | +0.32 |
| XOM Exxon Mobil Corp. | Add +293.7% | 0.37% | +0.27 |
| AON Aon PLC Class A | Add +5.5% | 1.67% | +0.23 |
| VFIAX Vanguard 500 Index-Adm | Add +27.2% | 0.61% | +0.17 |
| SYK Stryker Corp. | Add +1.4% | 1.95% | +0.14 |
| UNP Union Pacific Corp. | New | 0.11% | +0.11 |
| GWW WW Grainger Inc. | Add +0.2% | 1.26% | +0.09 |
| DE Deere & Co. | New | 0.09% | +0.09 |
| MAR Marriott International Class A | Add +48.1% | 0.18% | +0.08 |
| PG The Procter & Gamble Co. | New | 0.07% | +0.07 |
| ITW Illinois Tool Works | Add +0.6% | 1.36% | +0.05 |
| Duff & Phelps Util Income | Add +66.2% | 0.05% | +0.02 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 67 | $455.8M | LRCX, GOOGL, APH, LLY, AAPL |
| Q1 2026 | 73 | $404.8M | LRCX, GOOGL, APH, AAPL, MPWR |
| Q4 2025 | 69 | $412.7M | GOOGL, LRCX, APH, AAPL, LLY |
| Q3 2025 | 72 | $411.3M | APH, LRCX, MSFT, GOOGL, HEI |
| Q2 2025 | 139 | $390.4M | APH, MSFT, HEI, LRCX, MA |
| Q1 2025 | 70 | $377.3M | MA, AAPL, ISRG, FISV, CTAS |
| Q4 2024 | 73 | $398.7M | AAPL, MSFT, MA, GOOGL, APH |
| Q3 2024 | 73 | $423.6M | AAPL, MSFT, CTAS, PH, FICO |
| Q2 2024 | 69 | $382.2M | MSFT, AAPL, GOOGL, APH, LRCX |
| Q1 2024 | 68 | $356.8M | MSFT, MA, PH, CTAS, LRCX |