Location: Cambridge, MA
CIK: 0002055007 · Show all filings
Period: Q1 2026 (← Previous) (Next →)
Filing Date: May 13, 2026
Total Value: $129M (100.0% shares, 0.0% debt)
| Ticker | Issuer | Shares | Value | % | Share Price | Est. Cost/Share | Unrealized @ Report Date | Class | CUSIP |
|---|---|---|---|---|---|---|---|---|---|
| BRK/B | BERKSHIRE HATHAWAY INC DEL | 57,127 | $27.38M | 21.2% | $479.20 | $490.77 | -2.4% | CL B NEW | 084670702 |
| MSFT | MICROSOFT CORP | 38,531 | $14.26M | 11.0% | $370.17 | $420.90 | -12.1% | COM | 594918104 |
| AMZN | AMAZON COM INC | 54,208 | $11.29M | 8.7% | $208.27 | $209.72 | -0.7% | COM | 023135106 |
| GOOG | ALPHABET INC | 34,359 | $9.856M | 7.6% | $286.86 | $314.20 | -8.7% | CAP STK CL C | 02079K107 |
| COST | COSTCO WHOLESALE CORPORATION | 6,564 | $6.541M | 5.1% | $996.43 | $924.02 | +7.8% | COM | 22160K105 |
| AAPL | APPLE INC | 25,429 | $6.454M | 5.0% | $253.79 | $234.51 | +8.2% | COM | 037833100 |
| BRK/A | BERKSHIRE HATHAWAY INC DEL | 7 | $5.027M | 3.9% | $718140.00 | $736358.80 | -2.5% | CL A | 084670108 |
| XOM | EXXON MOBIL CORP | 24,761 | $4.201M | 3.3% | $169.66 | $112.36 | +51.0% | COM | 30231G102 |
| MS | MORGAN STANLEY | 25,328 | $4.168M | 3.2% | $164.57 | $119.51 | +37.7% | COM NEW | 617446448 |
| MKL | MARKEL GROUP INC | 2,036 | $3.897M | 3.0% | $1914.07 | $1698.35 | +12.7% | COM | 570535104 |
| GOOGL | ALPHABET INC | 12,830 | $3.689M | 2.9% | $287.56 | $314.25 | -8.5% | CAP STK CL A | 02079K305 |
| JPM | JPMORGAN CHASE & CO | 11,007 | $3.238M | 2.5% | $294.16 | $232.60 | +26.5% | COM | 46625H100 |
| JNJ | JOHNSON & JOHNSON | 11,798 | $2.884M | 2.2% | $244.44 | $149.59 | +63.4% | COM | 478160104 |
| DIS | DISNEY WALT CO | 27,220 | $2.623M | 2.0% | $96.38 | $103.52 | -6.9% | COM | 254687106 |
| PG | PROCTER & GAMBLE CO | 17,143 | $2.476M | 1.9% | $144.44 | $165.73 | -12.8% | COM | 742718109 |
| PEP | PEPSICO INC | 13,103 | $2.035M | 1.6% | $155.29 | $156.55 | -0.8% | COM | 713448108 |
| V | VISA INC | 5,990 | $1.81M | 1.4% | $302.24 | $298.33 | +1.3% | COM CL A | 92826C839 |
| META | META PLATFORMS INC | 2,739 | $1.567M | 1.2% | $572.13 | $613.38 | -6.7% | CL A | 30303M102 |
| AXP | AMERICAN EXPRESS CO | 5,074 | $1.535M | 1.2% | $302.48 | $283.58 | +6.7% | COM | 025816109 |
| ETN | EATON CORP PLC | 3,790 | $1.356M | 1.1% | $357.67 | $347.11 | +3.0% | SHS | G29183103 |
| PANW | PALO ALTO NETWORKS INC | 8,138 | $1.305M | 1.0% | $160.32 | $188.91 | -15.1% | COM | 697435105 |
| NVDA | NVIDIA CORPORATION | 5,750 | $1.003M | 0.8% | $174.40 | $137.79 | +26.6% | COM | 67066G104 |
| ANET | ARISTA NETWORKS INC | 7,568 | $929K | 0.7% | $122.78 | $102.84 | +19.4% | COM SHS | 040413205 |
| IVV | ISHARES TR | 1,379 | $901K | 0.7% | $653.21 | $591.75 | +10.4% | CORE S&P500 ETF | 464287200 |
| NVS | NOVARTIS AG | 5,841 | $892K | 0.7% | $152.75 | $106.64 | +43.2% | SPONSORED ADR | 66987V109 |
| KO | COCA COLA CO | 11,615 | $883K | 0.7% | $76.05 | $63.09 | +20.6% | COM | 191216100 |
| LIN | LINDE PLC | 1,778 | $881K | 0.7% | $495.76 | $448.71 | +10.5% | SHS | G54950103 |
| MORN | MORNINGSTAR INC | 4,864 | $822K | 0.6% | $169.05 | $341.38 | -50.5% | COM | 617700109 |
| ECL | ECOLAB INC | 3,090 | $822K | 0.6% | $266.02 | $245.53 | +8.3% | COM | 278865100 |
| DEO | DIAGEO PLC | 10,090 | $751K | 0.6% | $74.45 | $127.22 | -41.5% | SPON ADR NEW | 25243Q205 |
| CL | COLGATE PALMOLIVE CO | 7,825 | $667K | 0.5% | $85.23 | $93.07 | -8.4% | COM | 194162103 |
| UNH | UNITEDHEALTH GROUP INC | 2,099 | $568K | 0.4% | $270.59 | $552.89 | -51.1% | COM | 91324P102 |
| LOW | LOWES COS INC | 2,344 | $554K | 0.4% | $236.28 | $261.54 | -9.7% | COM | 548661107 |
| NOW | SERVICENOW INC | 5,200 | $544K | 0.4% | $104.55 | $177.75 | -41.2% | COM | 81762P102 |
| WFC | WELLS FARGO & CO | 5,630 | $448K | 0.3% | $79.61 | $66.67 | +19.4% | COM | 949746101 |
| PAYX | PAYCHEX INC | 4,110 | $379K | 0.3% | $92.12 | $137.31 | -32.9% | COM | 704326107 |
| MTB | M & T BK CORP | 1,175 | $243K | 0.2% | $206.72 | $192.44 | +7.4% | COM | 55261F104 |
| PYPL | PAYPAL HLDGS INC | 4,455 | $202K | 0.2% | $45.23 | $83.88 | -46.1% | COM | 70450Y103 |