Location: Cambridge, MA
CIK: 0002055007 · Show all filings
Period: Q2 2026 (← Previous)
Filing Date: Aug 11, 2026
Total Value: $87.21M (100.0% shares, 0.0% debt)
| Ticker | Issuer | Shares | Value | % | Est. Cost | Unrealized | Class | CUSIP |
|---|---|---|---|---|---|---|---|---|
| BRK/B | BERKSHIRE HATHAWAY INC DEL | 57,127 | $27.38M | 31.4% | $493.47 | — | — | 084670702 |
| GOOG | ALPHABET INC | 34,359 | $9.856M | 11.3% | $323.67 | — | — | 02079K107 |
| BRK/A | BERKSHIRE HATHAWAY INC DEL | 7 | $5.027M | 5.8% | $740378.25 | — | — | 084670108 |
| GOOGL | ALPHABET INC | 12,830 | $3.689M | 4.2% | $323.29 | — | — | 02079K305 |
| PYPL | PAYPAL HLDGS INC | 4,455 | $202K | 0.2% | $83.88 | — | — | 70450Y103 |
| Ticker | Issuer | Shares | Value | % | Est. Cost | Unrealized | Class | CUSIP |
|---|---|---|---|---|---|---|---|---|
| PANW | PALO ALTO NETWORKS INC | 6,874 (-15.5%) | $2.344M (+79.7%) | 2.7% | $188.91 | — | COM | 697435105 |
| META | META PLATFORMS INC | 2,209 (-19.4%) | $1.244M (-20.6%) | 1.4% | $613.38 | — | CL A | 30303M102 |
| DIS | DISNEY WALT CO | 25,120 (-7.7%) | $2.418M (-7.8%) | 2.8% | $103.52 | — | COM | 254687106 |
| ECL | ECOLAB INC | 2,415 (-21.8%) | $673K (-18.1%) | 0.8% | $245.53 | — | COM | 278865100 |
| ETN | EATON CORP PLC | 2,972 (-21.6%) | $1.266M (-6.6%) | 1.5% | $347.11 | — | SHS | G29183103 |
| ANET | ARISTA NETWORKS INC | 5,956 (-21.3%) | $1.012M (+8.9%) | 1.2% | $102.84 | — | COM SHS | 040413205 |
| PAYX | PAYCHEX INC | 3,160 (-23.1%) | $311K (-17.9%) | 0.4% | $137.31 | — | COM | 704326107 |
| DEO | DIAGEO PLC | 9,240 (-8.4%) | $743K (-1.1%) | 0.9% | $128.23 | — | SPON ADR NEW | 25243Q205 |
| Ticker | Issuer | Shares | Value | % | Est. Cost | Unrealized | Class | CUSIP |
|---|---|---|---|---|---|---|---|---|
| AMZN | AMAZON COM INC | 54,198 | $12.92M | 14.8% | $211.91 | — | COM | 023135106 |
| MS | MORGAN STANLEY | 25,328 | $5.295M | 6.1% | $119.51 | — | COM NEW | 617446448 |
| AAPL | APPLE INC | 25,429 | $7.358M | 8.4% | $234.51 | — | COM | 037833100 |
| XOM | EXXON MOBIL CORP | 24,761 | $3.385M | 3.9% | $112.36 | — | COM | 30231G102 |
| COST | COSTCO WHOLESALE CORPORATION | 6,564 | $6.14M | 7.0% | $923.74 | — | COM | 22160K105 |
| JPM | JPMORGAN CHASE & CO | 11,007 | $3.603M | 4.1% | $232.95 | — | COM | 46625H100 |
| UNH | UNITEDHEALTH GROUP INC | 2,099 | $872K | 1.0% | $552.89 | — | COM | 91324P102 |
| PEP | PEPSICO INC | 13,103 | $1.774M | 2.0% | $156.55 | — | COM | 713448108 |
| V | VISA INC | 5,990 | $2.055M | 2.4% | $298.33 | — | COM CL A | 92826C839 |
| AXP | AMERICAN EXPRESS CO | 5,074 | $1.716M | 2.0% | $283.58 | — | COM | 025816109 |
| NVDA | NVIDIA CORPORATION | 5,750 | $1.151M | 1.3% | $137.79 | — | COM | 67066G104 |
| IVV | ISHARES TR | 1,379 | $1.033M | 1.2% | $816.38 | — | CORE S&P500 ETF | 464287200 |
| JNJ | JOHNSON & JOHNSON | 11,798 | $2.996M | 3.4% | $149.59 | — | COM | 478160104 |
| MSFT | MICROSOFT CORP | 38,531 | $14.37M | 16.5% | $426.35 | — | COM | 594918104 |
| MKL | MARKEL GROUP INC | 2,036 | $3.976M | 4.6% | $1698.35 | — | COM | 570535104 |
| MORN | MORNINGSTAR INC | 4,864 | $759K | 0.9% | $341.38 | — | COM | 617700109 |
| KO | COCA COLA CO | 11,615 | $944K | 1.1% | $63.09 | — | COM | 191216100 |
| CL | COLGATE PALMOLIVE CO | 7,825 | $717K | 0.8% | $93.07 | — | COM | 194162103 |
| LIN | LINDE PLC | 1,778 | $923K | 1.1% | $448.71 | — | SHS | G54950103 |
| PG | PROCTER & GAMBLE CO | 17,143 | $2.514M | 2.9% | $165.73 | — | COM | 742718109 |
| LOW | LOWES COS INC | 2,344 | $517K | 0.6% | $261.54 | — | COM | 548661107 |
| MTB | M & T BK CORP | 1,175 | $280K | 0.3% | $192.51 | — | COM | 55261F104 |
| NOW | SERVICENOW INC | 5,200 | $516K | 0.6% | $177.75 | — | COM | 81762P102 |
| NVS | NOVARTIS AG | 5,841 | $915K | 1.0% | $97.31 | — | SPONSORED ADR | 66987V109 |
| WFC | WELLS FARGO & CO | 5,630 | $465K | 0.5% | $66.67 | — | COM | 949746101 |