Main Street Research
Latest statistics and disclosures from Main Street Research's latest quarterly 13F-HR filing:
- Top 5 stock holdings are NVDA, GOOGL, MSFT, ISCF, AAPL, and represent 25.39% of Main Street Research's stock portfolio.
- Added to shares of these 10 stocks: XBI (+$44M), JNJ (+$35M), EWY (+$35M), AstraZeneca (+$34M), CAT (+$32M), ISCF (+$17M), CCJ, CRM, UNP, VIG.
- Started 17 new stock positions in EWY, OMDA, XBI, EXPE, ISRG, TJX, MUFG, UNP, HUT, LRCX. AstraZeneca, PH, NEE, BN, AXP, GILD, VIG.
- Reduced shares in these 10 stocks: MELI (-$37M), TMUS (-$36M), SPOT (-$35M), LIN (-$31M), TT (-$30M), APO (-$29M), AAPL (-$16M), BKNG (-$13M), FICO (-$10M), ANET (-$5.1M).
- Sold out of its positions in APO, ANET, LNG, KO, CRWD, DDOG, DKNG, FTNT, IT, IDXX. MELI, PACB, PYPL, SYY, TMC, TDY, SPOT.
- Main Street Research was a net seller of stock by $-74M.
- Main Street Research has $1.7B in assets under management (AUM), dropping by -5.55%.
- Central Index Key (CIK): 0001513211
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Portfolio Holdings for Main Street Research
Main Street Research holds 129 positions in its portfolio as reported in the December 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| NVIDIA Corporation (NVDA) | 6.4 | $111M | 596k | 186.50 |
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| Alphabet Cap Stk Cl A (GOOGL) | 5.3 | $93M | 298k | 313.00 |
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| Microsoft Corporation (MSFT) | 4.7 | $81M | 168k | 483.62 |
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| Ishares Tr International Sl (ISCF) | 4.5 | $79M | +27% | 1.9M | 41.48 |
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| Apple (AAPL) | 4.5 | $79M | -17% | 291k | 271.86 |
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| Palantir Technologies Cl A (PLTR) | 4.5 | $78M | -3% | 440k | 177.75 |
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| JPMorgan Chase & Co. (JPM) | 4.1 | $72M | 222k | 322.22 |
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| Broadcom (AVGO) | 4.1 | $71M | 205k | 346.10 |
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| Taiwan Semiconductor Mfg Sponsored Ads (TSM) | 3.8 | $67M | 218k | 304.69 |
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| Visa Com Cl A (V) | 3.5 | $61M | 174k | 350.71 |
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| Robinhood Mkts Com Cl A (HOOD) | 3.4 | $60M | 532k | 113.10 |
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| Amazon (AMZN) | 3.4 | $60M | 260k | 230.82 |
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| Meta Platforms Cl A (META) | 3.3 | $57M | -2% | 87k | 660.09 |
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| McKesson Corporation (MCK) | 3.2 | $55M | -2% | 67k | 821.11 |
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| Costco Wholesale Corporation (COST) | 3.1 | $54M | 62k | 862.34 |
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| Spdr Series Trust State Street Spd (XBI) | 2.5 | $44M | NEW | 361k | 121.93 |
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| Asml Holding N V N Y Registry Shs (ASML) | 2.5 | $43M | 40k | 1069.86 |
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| Barclays Adr (BCS) | 2.4 | $43M | 1.7M | 25.45 |
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| Amphenol Corp Cl A (APH) | 2.3 | $40M | 295k | 135.39 |
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| World Gold Tr Spdr Gld Minis (GLDM) | 2.3 | $40M | 462k | 85.37 |
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| Wal-Mart Stores (WMT) | 2.2 | $38M | 338k | 111.64 |
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| Johnson & Johnson (JNJ) | 2.1 | $37M | +1475% | 179k | 206.95 |
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| Uber Technologies (UBER) | 2.1 | $37M | 447k | 81.71 |
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| Cameco Corporation (CCJ) | 2.0 | $35M | +4% | 382k | 91.49 |
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| Ishares Msci Sth Kor Etf (EWY) | 2.0 | $35M | NEW | 356k | 97.22 |
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| Astrazeneca Sponsored Adr | 2.0 | $34M | NEW | 371k | 91.93 |
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| Caterpillar (CAT) | 2.0 | $34M | +1833% | 60k | 572.87 |
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| Ge Vernova (GEV) | 1.8 | $32M | 49k | 653.57 |
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| Icici Bank Adr (IBN) | 1.7 | $31M | -2% | 1.0M | 29.80 |
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| Procter & Gamble Company (PG) | 1.2 | $22M | 151k | 143.31 |
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| Booking Holdings (BKNG) | 1.2 | $20M | -38% | 3.8k | 5355.33 |
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| Ishares Bitcoin Trust Etf Shs Ben Int (IBIT) | 0.5 | $8.9M | -5% | 180k | 49.65 |
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| Alphabet Cap Stk Cl C (GOOG) | 0.4 | $6.3M | +2% | 20k | 313.81 |
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| Berkshire Hathaway Inc Del Cl B New (BRK.B) | 0.3 | $6.1M | -8% | 12k | 502.65 |
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| Tesla Motors (TSLA) | 0.3 | $5.7M | -2% | 13k | 449.74 |
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| McDonald's Corporation (MCD) | 0.3 | $5.7M | -2% | 19k | 305.63 |
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| Autodesk (ADSK) | 0.2 | $4.2M | 14k | 296.01 |
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| Fair Isaac Corporation (FICO) | 0.2 | $4.2M | -71% | 2.5k | 1690.62 |
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| Berkshire Hathaway Inc Del Cl A (BRK.A) | 0.2 | $3.8M | 5.00 | 754800.00 |
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| Charles Schwab Corporation (SCHW) | 0.2 | $3.2M | -6% | 32k | 99.91 |
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| Ishares Msci World Etf (URTH) | 0.2 | $2.8M | -9% | 15k | 185.77 |
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| Exxon Mobil Corporation (XOM) | 0.2 | $2.8M | -4% | 23k | 120.34 |
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| Ishares Tr Core Msci Total (IXUS) | 0.2 | $2.7M | -4% | 32k | 84.64 |
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| Palo Alto Networks (PANW) | 0.1 | $2.4M | -61% | 13k | 184.20 |
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| Abbvie (ABBV) | 0.1 | $2.1M | 9.4k | 228.49 |
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| Wells Fargo & Company (WFC) | 0.1 | $1.8M | -46% | 20k | 93.20 |
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| Spdr S&p 500 Etf Tr Tr Unit (SPY) | 0.1 | $1.8M | 2.7k | 683.80 |
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| salesforce (CRM) | 0.1 | $1.7M | +152% | 6.4k | 265.33 |
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| Eli Lilly & Co. (LLY) | 0.1 | $1.5M | -47% | 1.4k | 1075.02 |
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| Micron Technology (MU) | 0.1 | $1.5M | -10% | 5.3k | 285.53 |
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| Chevron Corporation (CVX) | 0.1 | $1.5M | -43% | 9.5k | 152.42 |
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| 3M Company (MMM) | 0.1 | $1.3M | 8.1k | 160.10 |
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| Ishares Tr Core 1 5 Yr Usd (ISTB) | 0.1 | $1.1M | +7% | 23k | 48.75 |
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| Raytheon Technologies Corp (RTX) | 0.1 | $1.0M | 5.5k | 183.41 |
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| Netflix (NFLX) | 0.1 | $996k | -75% | 11k | 93.76 |
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| Clorox Company (CLX) | 0.1 | $920k | -2% | 9.1k | 100.83 |
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| Schwab Strategic Tr 5 10yr Corp Bd (SCHI) | 0.1 | $884k | +12% | 39k | 22.97 |
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| Ishares Tr Core S&p500 Etf (IVV) | 0.0 | $863k | -13% | 1.3k | 685.10 |
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| Invesco Qqq Tr Unit Ser 1 (QQQ) | 0.0 | $827k | -15% | 1.3k | 614.48 |
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| Merck & Co (MRK) | 0.0 | $826k | -16% | 7.8k | 106.11 |
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| Ishares Tr 10+ Yr Invst Grd (IGLB) | 0.0 | $804k | +12% | 16k | 50.45 |
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| Bristol Myers Squibb (BMY) | 0.0 | $789k | 15k | 53.94 |
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| Cisco Systems (CSCO) | 0.0 | $746k | -7% | 9.7k | 77.03 |
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| Advanced Micro Devices (AMD) | 0.0 | $733k | -2% | 3.4k | 214.16 |
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| Thermo Fisher Scientific (TMO) | 0.0 | $667k | +15% | 1.2k | 579.88 |
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| Stryker Corporation (SYK) | 0.0 | $649k | +2% | 1.8k | 352.37 |
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| Bank of America Corporation (BAC) | 0.0 | $612k | -11% | 11k | 55.00 |
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| HSBC HLDGS Spon Adr New (HSBC) | 0.0 | $605k | +4% | 7.7k | 78.67 |
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| Automatic Data Processing (ADP) | 0.0 | $598k | -6% | 2.3k | 258.94 |
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| Oracle Corporation (ORCL) | 0.0 | $591k | -20% | 3.0k | 194.91 |
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| Boston Scientific Corporation (BSX) | 0.0 | $574k | -6% | 6.0k | 95.35 |
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| Citigroup Com New (C) | 0.0 | $553k | -3% | 4.7k | 116.69 |
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| Accenture Plc Ireland Shs Class A (ACN) | 0.0 | $552k | -17% | 2.1k | 268.30 |
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| Netease Sponsored Ads (NTES) | 0.0 | $551k | -2% | 4.0k | 137.62 |
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| Union Pacific Corporation (UNP) | 0.0 | $542k | NEW | 2.3k | 231.32 |
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| Colgate-Palmolive Company (CL) | 0.0 | $523k | 6.6k | 79.02 |
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| Vanguard Specialized Funds Div App Etf (VIG) | 0.0 | $519k | NEW | 2.4k | 219.78 |
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| Intuit (INTU) | 0.0 | $516k | +3% | 779.00 | 662.45 |
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| Vanguard Index Fds Total Stk Mkt (VTI) | 0.0 | $516k | -6% | 1.5k | 335.27 |
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| Ishares Tr Core S&p Ttl Stk (ITOT) | 0.0 | $506k | 3.4k | 148.69 |
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| Curtiss-Wright (CW) | 0.0 | $506k | +3% | 917.00 | 551.27 |
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| Mitsubishi Ufj Finl Group In Sponsored Ads (MUFG) | 0.0 | $479k | NEW | 30k | 15.86 |
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| Abbott Laboratories (ABT) | 0.0 | $458k | +3% | 3.7k | 125.29 |
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| Xylem (XYL) | 0.0 | $450k | 3.3k | 136.18 |
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| Metropcs Communications (TMUS) | 0.0 | $439k | -98% | 2.2k | 203.04 |
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| Hut 8 Corp (HUT) | 0.0 | $413k | NEW | 9.0k | 45.94 |
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| Trane Technologies SHS (TT) | 0.0 | $369k | -98% | 947.00 | 389.20 |
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| Ishares Tr Rus 1000 Grw Etf (IWF) | 0.0 | $363k | 766.00 | 473.30 |
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| Coinbase Global Com Cl A (COIN) | 0.0 | $351k | 1.6k | 226.14 |
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| At&t (T) | 0.0 | $346k | 14k | 24.84 |
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| Analog Devices (ADI) | 0.0 | $339k | +3% | 1.2k | 271.20 |
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| Home Depot (HD) | 0.0 | $331k | -4% | 962.00 | 344.10 |
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| Delta Air Lines Inc Del Com New (DAL) | 0.0 | $331k | +4% | 4.8k | 69.40 |
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| Shopify Cl A Sub Vtg Shs (SHOP) | 0.0 | $328k | -22% | 2.0k | 160.97 |
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| Comcast Corp Cl A (CMCSA) | 0.0 | $326k | -2% | 11k | 29.89 |
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| Smucker J M Com New (SJM) | 0.0 | $326k | -6% | 3.3k | 97.81 |
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| Norfolk Southern (NSC) | 0.0 | $323k | -5% | 1.1k | 288.72 |
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| Vanguard Index Fds S&p 500 Etf Shs (VOO) | 0.0 | $322k | -51% | 513.00 | 627.13 |
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| Texas Instruments Incorporated (TXN) | 0.0 | $320k | +14% | 1.8k | 173.49 |
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| Spdr Dow Jones Indl Average Ut Ser 1 (DIA) | 0.0 | $308k | 640.00 | 481.61 |
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| Pepsi (PEP) | 0.0 | $307k | -9% | 2.1k | 144.96 |
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| American Express Company (AXP) | 0.0 | $302k | NEW | 817.00 | 369.95 |
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| Trimble Navigation (TRMB) | 0.0 | $295k | -3% | 3.8k | 78.35 |
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| Aon Shs Cl A (AON) | 0.0 | $290k | +30% | 821.00 | 352.88 |
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| Intuitive Surgical Com New (ISRG) | 0.0 | $288k | NEW | 508.00 | 566.36 |
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| eBay (EBAY) | 0.0 | $286k | -8% | 3.3k | 87.10 |
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| Mastercard Incorporated Cl A (MA) | 0.0 | $280k | -17% | 491.00 | 570.88 |
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| Spdr Gold Tr Gold Shs (GLD) | 0.0 | $273k | 689.00 | 396.31 |
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| Schwab Strategic Tr Fundamental Us L (FNDX) | 0.0 | $271k | +16% | 10k | 27.21 |
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| Kla Corp Com New (KLAC) | 0.0 | $271k | -5% | 223.00 | 1215.08 |
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| Adobe Systems Incorporated (ADBE) | 0.0 | $270k | -39% | 771.00 | 349.99 |
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| Expedia Group Com New (EXPE) | 0.0 | $269k | NEW | 950.00 | 283.31 |
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| Schwab Strategic Tr Us Lrg Cap Etf (SCHX) | 0.0 | $265k | -32% | 9.8k | 26.91 |
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| Lam Research Corp Com New (LRCX) | 0.0 | $261k | NEW | 1.5k | 171.44 |
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| Parker-Hannifin Corporation (PH) | 0.0 | $257k | NEW | 292.00 | 878.96 |
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| Linde SHS (LIN) | 0.0 | $256k | -99% | 600.00 | 426.39 |
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| Intel Corporation (INTC) | 0.0 | $254k | -4% | 6.9k | 36.90 |
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| International Business Machines (IBM) | 0.0 | $251k | -34% | 848.00 | 296.21 |
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| Omada Health (OMDA) | 0.0 | $251k | NEW | 16k | 15.78 |
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| Capital One Financial (COF) | 0.0 | $250k | 1.0k | 242.36 |
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| Ishares Tr Expnd Tec Sc Etf (IGM) | 0.0 | $250k | 1.9k | 129.16 |
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| TJX Companies (TJX) | 0.0 | $240k | NEW | 1.6k | 153.61 |
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| Ishares Tr Dow Jones Us Etf (IYY) | 0.0 | $240k | 1.4k | 165.81 |
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| Ishares Tr Ishares Semicdtr (SOXX) | 0.0 | $232k | 771.00 | 301.30 |
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| Schwab Strategic Tr Intl Eqty Etf (SCHF) | 0.0 | $231k | 9.6k | 24.04 |
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| Gilead Sciences (GILD) | 0.0 | $225k | NEW | 1.8k | 122.74 |
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| Nextera Energy (NEE) | 0.0 | $224k | NEW | 2.8k | 80.28 |
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| Brookfield Corp Cl A Ltd Vt Sh (BN) | 0.0 | $212k | NEW | 4.6k | 45.89 |
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| Hims & Hers Health Com Cl A (HIMS) | 0.0 | $201k | 6.2k | 32.47 |
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Past Filings by Main Street Research
SEC 13F filings are viewable for Main Street Research going back to 2010
- Main Street Research 2025 Q4 filed Feb. 9, 2026
- Main Street Research 2025 Q3 filed Nov. 13, 2025
- Main Street Research 2025 Q2 filed Aug. 5, 2025
- Main Street Research 2025 Q1 filed April 30, 2025
- Main Street Research 2024 Q4 filed Feb. 7, 2025
- Main Street Research 2024 Q3 filed Nov. 12, 2024
- Main Street Research 2024 Q2 filed July 29, 2024
- Main Street Research 2024 Q1 filed May 1, 2024
- Main Street Research 2023 Q4 filed Jan. 30, 2024
- Main Street Research 2023 Q3 filed Nov. 3, 2023
- Main Street Research 2023 Q2 filed Aug. 8, 2023
- Main Street Research 2023 Q1 filed May 1, 2023
- Main Street Research 2022 Q4 filed Feb. 6, 2023
- Main Street Research 2022 Q3 filed Nov. 14, 2022
- Main Street Research 2022 Q2 filed Aug. 12, 2022
- Main Street Research 2022 Q1 filed May 5, 2022