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Carderock Capital Management Inc Portfolio
$435.3M across 70 positions as of 2026-09-30, with 37% of it in the ten largest. 4 quarters on file.
How the reported portfolio did
Each 13F's long stock positions, held to the next quarter's end, against the S&P 500. Yearly rates, on closes without dividends.
1 year
+10.6%
-3.9% a year vs the S&P 500
3 years
+15.3%
-6.0% a year vs the S&P 500
5 years
+7.3%
-4.9% a year vs the S&P 500
Quarters ahead
8 of 21
| Quarter | Portfolio | S&P 500 |
|---|---|---|
| Jun 30, 2026 to Sep 30, 2026 | -2.2% | +2.1% |
| Mar 31, 2026 to Jun 30, 2026 | +17.0% | +14.8% |
| Dec 31, 2025 to Mar 31, 2026 | -5.5% | -4.6% |
| Sep 30, 2025 to Dec 31, 2025 | +2.3% | +2.4% |
| Jun 30, 2025 to Sep 30, 2025 | +2.6% | +7.8% |
| Mar 31, 2025 to Jun 30, 2025 | +7.2% | +10.5% |
| Dec 31, 2024 to Mar 31, 2025 | -1.8% | -4.6% |
| Sep 30, 2024 to Dec 31, 2024 | -1.4% | +2.1% |
Largest first
Share is of this manager's reported book. A holding with no symbol is one this site does not track as a company; the filing's own name for it is shown instead.
| Holding | Value | Share | Shares |
|---|---|---|---|
| LRCXLam Research Corp | $20.9M | 4.8% | 63,639 |
| GOOGLAlphabet Inc | $19.4M | 4.5% | 56,333 |
| AAPLApple Inc | $17M | 3.9% | 50,963 |
| APHAmphenol Corp | $16.8M | 3.9% | 199,463 |
| MSFTMicrosoft Corp | $15.4M | 3.5% | 29,956 |
| LLYEli Lilly and Co | $14.7M | 3.4% | 12,679 |
| FTNTFortinet Inc | $14.5M | 3.3% | 81,241 |
| TMOThermo Fisher Scientific Inc | $14.4M | 3.3% | 21,389 |
| MAMastercard Inc | $14.2M | 3.3% | 25,724 |
| NVDANVIDIA Corp | $12.6M | 2.9% | 55,347 |
| MPWRMonolithic Power Systems Inc | $12.2M | 2.8% | 9,054 |
| HEIHEICO Corp | $11.8M | 2.7% | 39,073 |
| AMEAMETEK Inc | $11.5M | 2.6% | 46,503 |
| PWRQuanta Services Inc | $11.3M | 2.6% | 17,526 |
| MNSTMonster Beverage Corp | $10.3M | 2.4% | 246,880 |
| COSTCostco Wholesale Corp | $9.9M | 2.3% | 10,830 |
| PHParker-Hannifin Corp | $9.6M | 2.2% | 10,020 |
| MSIMotorola Solutions Inc | $8.8M | 2.0% | 19,819 |
| CTASCintas Corp | $8.7M | 2.0% | 44,495 |
| IDXXIDEXX Laboratories Inc | $8.7M | 2.0% | 16,609 |
| ORLYO'Reilly Automotive Inc | $8.6M | 2.0% | 100,424 |
| FSSFederal Signal Corp | $8.4M | 1.9% | 76,151 |
| STERIS PLC | $8.4M | 1.9% | 39,766 |
| SHWSherwin-Williams Co | $8.1M | 1.9% | 25,030 |
| CDNSCadence Design Systems Inc | $7.8M | 1.8% | 23,731 |
| GWWWW Grainger Inc | $7.7M | 1.8% | 6,195 |
| LINDE PLC | $7.5M | 1.7% | 15,796 |
| ARCH CAP GROUP LTD | $6.6M | 1.5% | 71,495 |
| SPGIS&P Global Inc | $6.5M | 1.5% | 16,578 |
| ITWIllinois Tool Works Inc | $6.5M | 1.5% | 25,079 |
| MCOMoody's Corp | $6.4M | 1.5% | 14,193 |
| WATWaters Corp | $6.3M | 1.5% | 14,404 |
| ISRGIntuitive Surgical Inc | $6.2M | 1.4% | 15,302 |
| APDAir Products and Chemicals Inc | $6M | 1.4% | 21,658 |
| ADPAutomatic Data Processing Inc | $6M | 1.4% | 23,177 |
| SYKStryker Corp | $5.9M | 1.4% | 21,463 |
| AON PLC | $5.8M | 1.3% | 20,896 |
| WCNWaste Connections, Inc | $5.5M | 1.3% | 35,474 |
| IRIngersoll Rand Inc | $5.1M | 1.2% | 67,564 |
| EATON CORP PLC | $4.8M | 1.1% | 11,197 |
| AJGArthur J. Gallagher & Co. | $4.8M | 1.1% | 20,947 |
| WMTWalmart Inc | $4.6M | 1.1% | 44,088 |
| TJXTJX Companies Inc | $3.9M | 0.9% | 29,235 |
| INTCIntel Corp | $3.8M | 0.9% | 32,000 |
| HDHome Depot Inc | $3.3M | 0.8% | 11,579 |
| BRK.ABerkshire Hathaway Inc | $2.2M | 0.5% | 3 |
| AMZNAmazon.com Inc | $1.9M | 0.4% | 7,652 |
| LLoews Corp | $1.3M | 0.3% | 12,000 |
| XOMExxonmobil Holdings Corp | $1.2M | 0.3% | 7,183 |
| BRBroadridge Financial Solutions Inc | $1.1M | 0.3% | 6,928 |
| INTUIntuit Inc | $924.5K | 0.2% | 3,353 |
| VMCVulcan Materials Co | $904.2K | 0.2% | 3,696 |
| IYWiShares U.S. Technology ETF | $761.6K | 0.2% | 2,875 |
| CVXChevron Corp | $721.3K | 0.2% | 3,532 |
| ASTRAZENECA PLC | $691.4K | 0.2% | 4,282 |
| CHDChurch & Dwight Co Inc | $671.3K | 0.2% | 7,125 |
| MARMarriott International Inc | $646.6K | 0.1% | 1,818 |
| CMICummins Inc | $611.6K | 0.1% | 1,184 |
| BRK.BBerkshire Hathaway Inc | $597.5K | 0.1% | 1,200 |
| DRIDarden Restaurants Inc | $579.8K | 0.1% | 3,000 |
| JPMJPMorgan Chase & Co | $528.3K | 0.1% | 1,597 |
| HCAHCA Healthcare Inc | $504.4K | 0.1% | 1,182 |
| CMGChipotle Mexican Grill Inc | $428.2K | 0.1% | 13,402 |
| TROWT Rowe Price Group Inc | $359K | 0.1% | 3,450 |
| WDFCWD-40 Co | $303K | 0.1% | 1,500 |
| PAYXPaychex Inc | $290.6K | 0.1% | 2,950 |
| CSXCSX Corp | $265.1K | 0.1% | 5,700 |
| KOCoca-Cola Co | $245.3K | 0.1% | 2,850 |
| DHRDanaher Corp | $242.6K | 0.1% | 1,095 |
| DNP SELECT INCOME FD INC | $225.9K | 0.1% | 23,604 |
Quarter ending 2026-09-30.
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