Location: Chevy Chase, MD
CIK: 0001168889 · Show all filings
Period: Q3 2025 (← Previous) (Next →)
Filing Date: Oct 17, 2025
Total Value: $411M (100.0% shares, 0.0% debt)
| Ticker | Issuer | Shares | Value | % | Est. Cost | Unrealized | Class | CUSIP |
|---|---|---|---|---|---|---|---|---|
| APH | Amphenol Corp | 133,993 | $16.58M | 4.0% | $43.08 | +154.0% | COM | 032095101 |
| LRCX | Lam Research Corp | 121,370 | $16.25M | 4.0% | $77.11 | +36.8% | COM | 512807306 |
| MSFT | Microsoft Corp | 24,976 | $12.94M | 3.1% | $146.42 | +247.4% | COM | 594918104 |
| GOOGL | Alphabet Inc | 51,932 | $12.62M | 3.1% | $111.97 | +86.8% | COM | 02079K305 |
| HEI | Heico Corp | 36,978 | $11.94M | 2.9% | $180.43 | +76.4% | COM | 422806109 |
| AAPL | Apple Computer | 45,530 | $11.59M | 2.8% | $90.17 | +150.2% | COM | 037833100 |
| ORLY | O'Reilly Automotive New | 103,961 | $11.21M | 2.7% | $86.48 | +16.2% | COM | 67103H107 |
| MA | Mastercard Worldwide | 19,581 | $11.14M | 2.7% | $172.73 | +232.0% | COM | 57636Q104 |
| — | Idexx Labs | 16,984 | $10.85M | 2.6% | $485.42 | — | COM | 45168d104 |
| — | Quanta Svcs | 24,399 | $10.11M | 2.5% | $163.79 | — | COM | 74762e102 |
| SPGI | S&P Global Inc | 20,278 | $9.87M | 2.4% | $350.22 | +52.4% | COM | 78409V104 |
| CDNS | Cadence Design Sys | 27,361 | $9.611M | 2.3% | $153.21 | +124.5% | COM | 127387108 |
| CTAS | Cintas Corp | 46,011 | $9.444M | 2.3% | $165.12 | +28.9% | COM | 172908105 |
| ADP | Automatic Data Proc | 31,942 | $9.375M | 2.3% | $136.32 | +118.5% | COM | 053015103 |
| PH | Parker Hannifin Corp | 11,561 | $8.765M | 2.1% | $352.63 | +108.5% | COM | 701094104 |
| COST | Costco Wholesale Co | 9,379 | $8.681M | 2.1% | $231.03 | +314.1% | COM | 22160K105 |
| LLY | Lilly Eli & Co | 11,162 | $8.517M | 2.1% | $801.93 | -7.4% | COM | 532457108 |
| SHW | Sherwin-Williams Co | 24,265 | $8.402M | 2.0% | $230.96 | +52.1% | COM | 824348106 |
| AME | Ametek | 44,187 | $8.307M | 2.0% | $88.54 | +107.2% | COM | 031100100 |
| HD | Home Depot | 20,375 | $8.256M | 2.0% | $155.22 | +150.7% | COM | 437076102 |
| ISRG | Intuitive Surgical | 18,357 | $8.21M | 2.0% | $394.21 | +21.7% | COM | 46120E602 |
| MCO | Moody's Corp | 17,225 | $8.207M | 2.0% | $273.39 | +83.8% | COM | 615369105 |
| INTU | Intuit | 11,983 | $8.183M | 2.0% | $296.50 | +142.6% | COM | 461202103 |
| WCN | Waste Connections Inc | 46,435 | $8.163M | 2.0% | $123.57 | +47.2% | COM | 94106B101 |
| MPWR | Monolithic Power Systems | 8,523 | $7.847M | 1.9% | $722.84 | +11.8% | COM | 609839105 |
| FICO | Fair Isaac Corp | 5,209 | $7.795M | 1.9% | $1296.03 | +16.0% | COM | 303250104 |
| AON | Aon PLC | 21,641 | $7.717M | 1.9% | $263.43 | +37.2% | COM | G0403H108 |
| TMO | Thermo Fisher Scientific | 15,355 | $7.447M | 1.8% | $238.30 | +95.0% | COM | 883556102 |
| FTNT | Fortinet Inc | 88,521 | $7.443M | 1.8% | $58.37 | +52.9% | COM | 34959E109 |
| — | Steris PLC | 29,741 | $7.359M | 1.8% | $223.54 | — | COM | g8473t100 |
| SYK | Stryker Corp | 19,724 | $7.291M | 1.8% | $338.75 | +13.5% | COM | 863667101 |
| ACGL | Arch Cap Group Ltd | 79,772 | $7.238M | 1.8% | $72.47 | +23.7% | COM | G0450A105 |
| APD | Air Products & Chemicals | 26,507 | $7.229M | 1.8% | $195.99 | +45.7% | COM | 009158106 |
| NVDA | Nvidia Corp | 34,836 | $6.5M | 1.6% | $133.31 | +30.7% | COM | 67066G104 |
| LDOS | Leidos Holdings Inc | 34,273 | $6.476M | 1.6% | $145.17 | +19.4% | COM | 525327102 |
| ROP | Roper Technologies Inc | 12,371 | $6.169M | 1.5% | $337.94 | +57.2% | COM | 776696106 |
| WSO | Watsco | 14,499 | $5.862M | 1.4% | $462.82 | -7.6% | COM | 942622200 |
| ITW | Illinois Tool Works | 22,412 | $5.844M | 1.4% | $160.80 | +60.0% | COM | 452308109 |
| GWW | Grainger (WW) | 6,009 | $5.726M | 1.4% | $942.34 | +6.2% | COM | 384802104 |
| MNST | Monster Beverage Corp | 80,772 | $5.437M | 1.3% | $55.35 | +12.8% | COM | 61174X109 |
| FISV | Fiserv | 41,327 | $5.328M | 1.3% | $86.64 | +65.4% | COM | 337738108 |
| IR | Ingersoll Rand | 62,874 | $5.195M | 1.3% | $62.91 | +30.2% | COM | 45687V106 |
| ACN | Accenture PLC Cl A | 20,281 | $5.001M | 1.2% | $139.02 | +87.5% | COM | G1151C101 |
| MSI | Motorola Solutions Inc | 9,775 | $4.47M | 1.1% | $434.99 | +3.1% | COM | 620076307 |
| LMT | Lockheed Martin Corp | 8,508 | $4.247M | 1.0% | $481.53 | -6.9% | COM | 539830109 |
| DHR | Danaher Corp | 21,103 | $4.184M | 1.0% | $82.80 | +139.6% | COM | 235851102 |
| CHD | Church & Dwight | 46,613 | $4.085M | 1.0% | $53.84 | +73.2% | COM | 171340102 |
| LIN | Linde PLC | 8,488 | $4.032M | 1.0% | $459.54 | +2.4% | COM | G54950103 |
| CMG | Chipotle Mexican Grill | 90,831 | $3.56M | 0.9% | $61.00 | -26.2% | COM | 169656105 |
| BMI | Badger Meter Inc | 18,492 | $3.302M | 0.8% | $213.10 | -8.0% | COM | 056525108 |
| VFIAX | Vanguard 500 Index Fd | 4,352 | $2.687M | 0.7% | $461.94 | — | ISHARES | 922908710 |
| XOM | Exxon Mobil Corp | 10,608 | $1.196M | 0.3% | $100.95 | +8.7% | COM | 30231G102 |
| TROW | TRPrice Assoc | 6,825 | $701K | 0.2% | $61.43 | +67.4% | COM | 74144T108 |
| CVX | Chevron Corp | 4,194 | $651K | 0.2% | $80.52 | +89.1% | COM | 166764100 |
| MAR | Marriott Intl New Cl A | 2,318 | $604K | 0.1% | $162.57 | +64.5% | COM | 571903202 |
| NPRTX | Neuberger Berman Partners | 11,195 | $571K | 0.1% | $47.81 | — | ISHARES | 641224407 |
| IYW | iShares US Tech ETF | 2,875 | $563K | 0.1% | $101.28 | — | COM | 464287721 |
| NBGNX | Neuberger Berman Genesis Fd. | 7,559 | $477K | 0.1% | $68.34 | — | ISHARES | 641224100 |
| BRK/B | Berkshire Hathaway Cl B | 785 | $395K | 0.1% | $310.17 | +56.2% | COM | 084670702 |
| ABT | Abbott Laboratories | 2,875 | $385K | 0.1% | $68.93 | +89.5% | COM | 002824100 |
| PAYX | Paychex | 2,950 | $374K | 0.1% | $35.96 | +281.5% | COM | 704326107 |
| AJG | Arthur J. Gallagher & Co | 1,050 | $325K | 0.1% | $236.41 | +27.0% | COM | 363576109 |
| AZO | Autozone | 65 | $279K | 0.1% | $3070.23 | +30.7% | COM | 053332102 |
| DLR | Digital Realty Trust | 1,600 | $277K | 0.1% | $95.33 | +76.9% | COM | 253868103 |
| JNJ | Johnson & Johnson | 1,325 | $246K | 0.1% | $153.18 | +10.7% | COM | 478160104 |
| — | Duff & Phelps Util Income | 23,604 | $236K | 0.1% | $9.55 | — | ISHARES | 264324104 |
| HON | Honeywell Intl Inc | 1,114 | $234K | 0.1% | $122.41 | +69.2% | COM | 438516106 |
| DFEOX | DFA US Core Equity 1 | 4,781 | $232K | 0.1% | $45.17 | — | ISHARES | 233203413 |
| DVY | iShares Dow Jones Select Div F | 1,600 | $227K | 0.1% | $117.22 | — | COM | 464287168 |
| MTD | Mettler Toledo Intl | 175 | $215K | 0.1% | $1117.50 | +12.1% | COM | 592688105 |
| JPM | J P Morgan Chase | 668 | $211K | 0.1% | $257.07 | +15.1% | COM | 46625H100 |
| CSX | CSX Corp | 5,700 | $202K | 0.0% | $29.78 | +13.9% | COM | 126408103 |