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CARDEROCK CAPITAL MANAGEMENT INC
Period ended Sep 30, 2026 · Latest filing Oct 22, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $435,325,383
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- LAM RESEARCH CORP · COM NEW · 512807306 · shares: $20,906,048
- ALPHABET INC · CAP STK CL A · 02079K305 · shares: $19,383,059
- APPLE INC · COM · 037833100 · shares: $16,971,751
- AMPHENOL CORP · CL A · 032095101 · shares: $16,814,731
- MICROSOFT CORP · COM · 594918104 · shares: $15,364,432
- ELI LILLY & CO · COM · 532457108 · shares: $14,670,617
- FORTINET INC · COM · 34959E109 · shares: $14,522,641
- THERMO FISHER SCIENTIFIC INC · COM · 883556102 · shares: $14,438,644
- MASTERCARD INCORPORATED · CL A · 57636Q104 · shares: $14,186,014
- NVIDIA CORPORATION · COM · 67066G104 · shares: $12,640,165
Reported holdings
70 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| LAM RESEARCH CORP | COM NEW | 512807306 | — | 63,639 shares | $20,906,048 |
| ALPHABET INC | CAP STK CL A | 02079K305 | — | 56,333 shares | $19,383,059 |
| APPLE INC | COM | 037833100 | — | 50,963 shares | $16,971,751 |
| AMPHENOL CORP | CL A | 032095101 | — | 199,463 shares | $16,814,731 |
| MICROSOFT CORP | COM | 594918104 | — | 29,956 shares | $15,364,432 |
| ELI LILLY & CO | COM | 532457108 | — | 12,679 shares | $14,670,617 |
| FORTINET INC | COM | 34959E109 | — | 81,241 shares | $14,522,641 |
| THERMO FISHER SCIENTIFIC INC | COM | 883556102 | — | 21,389 shares | $14,438,644 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 | — | 25,724 shares | $14,186,014 |
| NVIDIA CORPORATION | COM | 67066G104 | — | 55,347 shares | $12,640,165 |
| MONOLITHIC PWR SYS INC | COM | 609839105 | — | 9,054 shares | $12,197,730 |
| HEICO CORP NEW | COM | 422806109 | — | 39,073 shares | $11,846,152 |
| AMETEK INC | COM | 031100100 | — | 46,503 shares | $11,520,188 |
| QUANTA SVCS INC | COM | 74762E102 | — | 17,526 shares | $11,260,630 |
| MONSTER BEVERAGE CORP NEW | COM | 61174X109 | — | 246,880 shares | $10,275,146 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 | — | 10,830 shares | $9,858,982 |
| PARKER-HANNIFIN CORP | COM | 701094104 | — | 10,020 shares | $9,573,308 |
| MOTOROLA SOLUTIONS INC | COM NEW | 620076307 | — | 19,819 shares | $8,838,679 |
| CINTAS CORP | COM | 172908105 | — | 44,495 shares | $8,679,195 |
| IDEXX LABS INC | COM | 45168D104 | — | 16,609 shares | $8,673,054 |
| OREILLY AUTOMOTIVE INC | COM | 67103H107 | — | 100,424 shares | $8,577,214 |
| FEDERAL SIGNAL CORP | COM | 313855108 | — | 76,151 shares | $8,436,769 |
| STERIS PLC | SHS USD | G8473T100 | — | 39,766 shares | $8,351,258 |
| SHERWIN WILLIAMS CO | COM | 824348106 | — | 25,030 shares | $8,091,448 |
| CADENCE DESIGN SYSTEM INC | COM | 127387108 | — | 23,731 shares | $7,835,621 |
| WW GRAINGER INC | COM | 384802104 | — | 6,195 shares | $7,717,483 |
| LINDE PLC | SHS | G54950103 | — | 15,796 shares | $7,497,571 |
| ARCH CAP GROUP LTD | ORD | G0450A105 | — | 71,495 shares | $6,603,278 |
| S&P GLOBAL INC | COM | 78409V104 | — | 16,578 shares | $6,539,524 |
| ILLINOIS TOOL WKS INC | COM | 452308109 | — | 25,079 shares | $6,452,325 |
| MOODYS CORP | COM | 615369105 | — | 14,193 shares | $6,445,467 |
| WATERS CORP | COM | 941848103 | — | 14,404 shares | $6,328,974 |
| INTUITIVE SURGICAL INC | COM NEW | 46120E602 | — | 15,302 shares | $6,222,252 |
| AIR PRODUCTS AND CHEMICALS I | COM | 009158106 | — | 21,658 shares | $6,025,905 |
| AUTOMATIC DATA PROCESSING IN | COM | 053015103 | — | 23,177 shares | $5,981,057 |
| STRYKER CORPORATION | COM | 863667101 | — | 21,463 shares | $5,910,696 |
| AON PLC | SHS CL A | G0403H108 | — | 20,896 shares | $5,783,386 |
| WASTE CONNECTIONS INC | COM | 94106B101 | — | 35,474 shares | $5,460,513 |
| INGERSOLL RAND INC | COM | 45687V106 | — | 67,564 shares | $5,074,732 |
| EATON CORP PLC | SHS | G29183103 | — | 11,197 shares | $4,811,463 |
| GALLAGHER ARTHUR J & CO | COM | 363576109 | — | 20,947 shares | $4,778,220 |
| WALMART INC | COM | 931142103 | — | 44,088 shares | $4,581,625 |
| TJX COS INC NEW | COM | 872540109 | — | 29,235 shares | $3,868,083 |
| INTEL CORP | COM | 458140100 | — | 32,000 shares | $3,847,360 |
| HOME DEPOT INC | COM | 437076102 | — | 11,579 shares | $3,294,110 |
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | — | 3 shares | $2,241,015 |
| AMAZON COM INC | COM | 023135106 | — | 7,652 shares | $1,906,496 |
| LOEWS CORP | COM | 540424108 | — | 12,000 shares | $1,253,160 |
| EXXONMOBIL HOLDINGS CORP | COM SHS | 30233Q108 | — | 7,183 shares | $1,169,033 |
| BROADRIDGE FINL SOLUTIONS IN | COM | 11133T103 | — | 6,928 shares | $1,116,101 |
| INTUIT | COM | 461202103 | — | 3,353 shares | $924,456 |
| VULCAN MATLS CO | COM | 929160109 | — | 3,696 shares | $904,152 |
| ISHARES TR | U.S. TECH ETF | 464287721 | — | 2,875 shares | $761,588 |
| CHEVRON CORPORATION | COM | 166764100 | — | 3,532 shares | $721,270 |
| ASTRAZENECA PLC | ORD | G0593M107 | — | 4,282 shares | $691,415 |
| CHURCH & DWIGHT CO INC | COM | 171340102 | — | 7,125 shares | $671,318 |
| MARRIOTT INTL INC NEW | CL A | 571903202 | — | 1,818 shares | $646,608 |
| CUMMINS INC | COM | 231021106 | — | 1,184 shares | $611,619 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | — | 1,200 shares | $597,540 |
| DARDEN RESTAURANTS INC | COM | 237194105 | — | 3,000 shares | $579,750 |
| JPMORGAN CHASE & CO | COM | 46625H100 | — | 1,597 shares | $528,336 |
| HCA HEALTHCARE INC | COM | 40412C101 | — | 1,182 shares | $504,407 |
| CHIPOTLE MEXICAN GRILL INC | COM | 169656105 | — | 13,402 shares | $428,194 |
| PRICE T ROWE GROUP INC | COM | 74144T108 | — | 3,450 shares | $358,973 |
| WD 40 CO | COM | 929236107 | — | 1,500 shares | $302,955 |
| PAYCHEX INC | COM | 704326107 | — | 2,950 shares | $290,575 |
| CSX CORP | COM | 126408103 | — | 5,700 shares | $265,107 |
| COCA COLA CO | COM | 191216100 | — | 2,850 shares | $245,328 |
| DANAHER CORP DEL | COM | 235851102 | — | 1,095 shares | $242,597 |
| DNP SELECT INCOME FD INC | COM | 23325P104 | — | 23,604 shares | $225,890 |