Main Street Research LLC
In its 13F for Q1 2025 (holdings as of March 31, 2025, filed April 30, 2025), Main Street Research LLC reported 101 stock positions worth $1.5 billion. Its top holding was Apple (AAPL) at 5.4% of the portfolio, followed by Palantir Technologies Class A (PLTR, 5.0%) and Procter & Gamble (PG, 4.4%). Compared with Q4 2024, it opened 14 new positions, sold out of 23, added to 40 and reduced 38. The biggest buy was Netflix (NFLX, shares +10404%) and the biggest sale an exit from iShares Russell 2000 ETF (IWM).
- Most Recent 13F
- Q2 2026
- Location
- SAUSALITO, CA
- CIK
- 0001513211
- Portfolio Value
- $1.5B (Q1 2025)
- SEC Filing
- 0001420506-25-000840 ↗ filed Apr 30, 2025
Holdings Value
Holdings 101 stocks · $1.5B
| AAPL Apple Inc. | 5.42% | 373,561 | $83.0M | Add +1.1% |
| PLTR Palantir Technologies Inc. Class A | 4.99% | 905,633 | $76.4M | Add +0.9% |
| PG The Procter & Gamble Co. | 4.42% | 397,082 | $67.7M | Add +2.9% |
| V Visa Inc. Class A | 3.92% | 171,366 | $60.1M | Add +2.0% |
| AMZN Amazon.com Inc. | 3.88% | 312,450 | $59.4M | Add +1.8% |
| META Meta Platforms Inc. Class A | 3.88% | 103,000 | $59.4M | Add +3.4% |
| BRK.B Berkshire Hathaway Inc. Class B | 3.88% | 111,420 | $59.3M | Add +1.8% |
| COST Costco Wholesale Corp. | 3.83% | 61,955 | $58.6M | Add +1.1% |
| JPM JPMorgan Chase & Co. | 3.50% | 218,675 | $53.6M | Add +1.8% |
| MSFT Microsoft Corp. | 3.28% | 133,621 | $50.2M | Add +3.0% |
| NVDA Nvidia Corp. | 3.17% | 447,769 | $48.5M | Reduce -27.7% |
| TMUS T-Mobile US Inc. | 3.10% | 177,902 | $47.4M | Add +1.0% |
| MCK McKesson Corp. | 3.02% | 68,656 | $46.3M | Add +1.3% |
| AVGO Broadcom Inc. | 2.91% | 265,850 | $44.5M | Add +5.3% |
| GOOGL Alphabet Inc. Class A | 2.90% | 287,165 | $44.4M | Add +2.2% |
| ISRG Intuitive Surgical Inc. | 2.60% | 80,238 | $39.7M | Add +0.9% |
| NFLX Netflix Inc. | 2.54% | 41,702 | $38.9M | Add +10404.3% |
| BKNG Booking Holdings Inc. | 2.49% | 8,257 | $38.0M | Add +0.7% |
| BSX Boston Scientific Corp. | 2.46% | 372,775 | $37.6M | Add +4808.2% |
| PH Parker Hannifin Corp. | 2.18% | 54,903 | $33.4M | Add +2.9% |
| LIN Linde PLC | 2.14% | 70,291 | $32.7M | Add +5.7% |
| CSCO Cisco Systems Inc. | 2.14% | 530,296 | $32.7M | Add +4721.8% |
| CAT Caterpillar Inc. | 2.12% | 98,562 | $32.5M | Add +2.1% |
| IBN Icici Bank Ltd.-Spon ADR | 2.11% | 1,023,271 | $32.3M | Add +2.0% |
| SAP Sap SE-Sponsored ADR | 2.10% | 119,768 | $32.2M | New |
| FTNT Fortinet Inc. | 2.01% | 318,947 | $30.7M | New |
| ORCL Oracle Corp. | 1.99% | 217,589 | $30.4M | Add +3.0% |
| XOM Exxon Mobil Corp. | 1.96% | 251,705 | $29.9M | Add +3.6% |
| MELI MercadoLibre Inc. | 1.94% | 15,248 | $29.7M | Add +1.5% |
| TSM Taiwan Semiconductor-SP ADR | 1.91% | 175,006 | $29.2M | Add +1.3% |
| MS Morgan Stanley | 1.02% | 134,444 | $15.7M | New |
| AZN Astrazeneca PLC-Spons ADR | 0.97% | 202,512 | $14.9M | New |
| GS Goldman Sachs Group Inc. | 0.91% | 25,624 | $14.0M | New |
| GEV GE Vernova Inc. | 0.89% | 44,533 | $13.6M | New |
| NOW ServiceNow Inc. | 0.88% | 16,997 | $13.5M | Reduce -48.1% |
| CRH CRH PLC | 0.88% | 153,597 | $13.5M | New |
| IBIT iShares Bitcoin Trust ETF | 0.86% | 280,632 | $13.1M | New |
| MCD McDonald's Corp. | 0.40% | 19,679 | $6.1M | Add +0.3% |
| BRK.A Berkshire Hathaway Inc. Class A | 0.37% | 7 | $5.6M | No change |
| FICO Fair Isaac Corp. | 0.35% | 2,913 | $5.4M | Reduce -6.2% |
| TSLA Tesla Inc. | 0.25% | 15,045 | $3.9M | Reduce -5.8% |
| ADSK Autodesk Inc. | 0.25% | 14,754 | $3.9M | Add +0.8% |
| GOOG Alphabet Inc. Class C | 0.22% | 21,216 | $3.3M | Add +4.2% |
| URTH iShares MSCI World ETF | 0.19% | 18,505 | $2.8M | Add +5.0% |
| SCHW Schwab (charles) Corp. | 0.18% | 35,416 | $2.8M | Reduce -2.3% |
| LLY Eli Lilly & Co. | 0.18% | 3,339 | $2.8M | Reduce -0.7% |
| PANW Palo Alto Networks Inc. | 0.15% | 13,796 | $2.4M | Reduce -3.1% |
| JNJ Johnson & Johnson | 0.14% | 12,806 | $2.1M | Add +20.4% |
| ABBV Abbvie Inc. | 0.13% | 9,318 | $2.0M | Reduce -1.7% |
| CVX Chevron Corp. | 0.13% | 11,618 | $1.9M | Add +6.2% |
| CRM Salesforce Inc. | 0.12% | 6,718 | $1.8M | Reduce -7.7% |
| CLX Clorox Company | 0.09% | 9,328 | $1.4M | No change |
| WFC Wells Fargo & Co. | 0.09% | 18,882 | $1.4M | Reduce -9.1% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.08% | 2,172 | $1.2M | Reduce -6.8% |
| MMM 3M Co. | 0.08% | 8,146 | $1.2M | Add +0.9% |
| WMT Walmart Inc. | 0.07% | 12,843 | $1.1M | Reduce -14.6% |
| BMY Bristol-Myers Squibb Co. | 0.06% | 16,250 | $991K | Add +6.5% |
| ACN Accenture PLC Class A | 0.06% | 2,798 | $873K | Reduce -2.8% |
| MRK Merck & Co. Inc. | 0.05% | 9,230 | $836K | Reduce -4.5% |
| ISTB iShares Core 1-5 Year Usd Bo | 0.05% | 17,280 | $835K | New |
| ADP Automatic Data Processing | 0.05% | 2,708 | $832K | Reduce -21.0% |
| NVO Novo-Nordisk A/S-Spons ADR | 0.05% | 11,338 | $800K | Reduce -86.8% |
| SYK Stryker Corp. | 0.05% | 1,952 | $728K | Reduce -4.6% |
| IVV iShares Core S&P 500 ETF | 0.05% | 1,260 | $708K | Reduce -7.8% |
| CL Colgate-Palmolive Co. | 0.04% | 6,699 | $628K | Reduce -2.0% |
| TMO Thermo Fisher Scientific Inc. | 0.04% | 1,254 | $625K | Reduce -24.2% |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 0.04% | 14,874 | $621K | Add +5.8% |
| RTX RTX Corp. | 0.04% | 4,433 | $587K | Reduce -2.4% |
| VTI VG Morningstar TS MKT ETF-US | 0.04% | 1,998 | $549K | Reduce -28.7% |
| ABT Abbott Laboratories | 0.03% | 3,526 | $468K | Reduce -8.6% |
| HD Home Depot Inc. | 0.03% | 1,254 | $460K | Reduce -6.8% |
| TRMB Trimble Inc. | 0.03% | 7,000 | $460K | New |
| T AT&T Inc. | 0.03% | 15,693 | $444K | Add +27.1% |
| SJM The JM Smucker Co. filed as SMUCKER J M CO | 0.03% | 3,539 | $419K | No change |
| NTES Netease Inc.-ADR | 0.03% | 4,000 | $412K | No change |
| C Citigroup Inc. | 0.03% | 5,730 | $407K | No change |
| VOO Vanguard S&P 500 ETF | 0.03% | 772 | $397K | Reduce -47.5% |
| XYL Xylem Inc. | 0.03% | 3,250 | $388K | No change |
| CMCSA Comcast Corp. Class A | 0.03% | 10,372 | $383K | No change |
| NSC Norfolk Southern Corp. | 0.02% | 1,582 | $375K | Reduce -0.3% |
| MA Mastercard Inc. Class A | 0.02% | 680 | $373K | Add +20.6% |
| QQQ Invesco QQQ Trust Series 1 | 0.02% | 790 | $371K | Reduce -23.2% |
| SCHI Schwab 5-10 Year Corporate B | 0.02% | 15,904 | $357K | Reduce -3.0% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.02% | 1,429 | $355K | Reduce -13.9% |
| PEP Pepsico Inc. | 0.02% | 2,291 | $344K | Reduce -15.5% |
| KO The Coca-Cola Co. | 0.02% | 4,748 | $343K | Add +33.5% |
| ASML ASML Holding NV-NY Reg SHS | 0.02% | 515 | $341K | Reduce -8.7% |
| USFR Wisdomtree Floating Rate Tre | 0.02% | 6,561 | $330K | New |
| IGLB iShares 10+ Year Inv GR Corp. | 0.02% | 6,505 | $327K | Reduce -1.9% |
| ADBE Adobe Inc. | 0.02% | 795 | $305K | Reduce -10.2% |
| TXN Texas Instruments Inc. | 0.02% | 1,620 | $291K | Reduce -23.2% |
| CW Curtiss-Wright Corp. | 0.02% | 888 | $282K | No change |
| IWF iShares Russell 1000 Growth | 0.02% | 766 | $277K | Reduce -8.3% |
| DIA SS SPDR Dow Jones Indus Avg filed as SPDR DOW JONES INDL AVERAGE | 0.02% | 640 | $269K | Reduce -16.2% |
| AON Aon PLC Class A | 0.02% | 622 | $248K | Reduce -13.6% |
| BX Blackstone Inc. | 0.02% | 1,682 | $235K | Add +29.3% |
| LNG Cheniere Energy Inc. | 0.02% | 1,008 | $233K | Reduce -4.9% |
| QCOM Qualcomm Inc. | 0.01% | 1,485 | $228K | New |
| HIMS Hims & Hers Health Inc. | 0.01% | 7,100 | $210K | New |
| JAAA Janus Henderson Aaa Clo ETF | 0.01% | 4,034 | $205K | New |
| LOCL Local Bounti Corp. | 0.01% | 46,394 | $96K | No change |
Portfolio Sells Q4 2024 → Q1 2025
| IWM iShares Russell 2000 ETF | Sold out | 0.00% | −3.89 |
| IR Ingersoll-Rand Inc. | Sold out | 0.00% | −2.06 |
| RF Regions Financial Corp. | Sold out | 0.00% | −2.06 |
| CB Chubb Ltd. | Sold out | 0.00% | −2.05 |
| NVDA Nvidia Corp. | Reduce -27.7% | 3.17% | −2.01 |
| ANET Arista Networks Inc. | Sold out | 0.00% | −1.97 |
| CEG Constellation Energy | Sold out | 0.00% | −1.96 |
| NOW ServiceNow Inc. | Reduce -48.1% | 0.88% | −1.28 |
| INTU Intuit Inc. | Sold out | 0.00% | −0.84 |
| GD General Dynamics Corp. | Sold out | 0.00% | −0.84 |
| AMD Advanced Micro Devices | Sold out | 0.00% | −0.45 |
| AMAT Applied Materials Inc. | Sold out | 0.00% | −0.41 |
| NVO Novo-Nordisk A/S-Spons ADR | Reduce -86.8% | 0.05% | −0.41 |
| TSLA Tesla Inc. | Reduce -5.8% | 0.25% | −0.15 |
| FICO Fair Isaac Corp. | Reduce -6.2% | 0.35% | −0.03 |
| CRM Salesforce Inc. | Reduce -7.7% | 0.12% | −0.03 |
| VOO Vanguard S&P 500 ETF | Reduce -47.5% | 0.03% | −0.02 |
| VEEV Veeva Systems Inc. Class A | Sold out | 0.00% | −0.02 |
| APO Apollo Global Management Inc. | Sold out | 0.00% | −0.02 |
| RMD Resmed Inc. | Sold out | 0.00% | −0.02 |
| DAL Delta Air Lines Inc. | Sold out | 0.00% | −0.02 |
| SCHX Schwab US Large-Cap ETF | Sold out | 0.00% | −0.02 |
| NKE Nike Inc. Class B | Sold out | 0.00% | −0.01 |
| NEE Nextera Energy Inc. | Sold out | 0.00% | −0.01 |
| VTI VG Morningstar TS MKT ETF-US | Reduce -28.7% | 0.04% | −0.01 |
| VLO Valero Energy Corp. | Sold out | 0.00% | −0.01 |
| CI The Cigna Group | Sold out | 0.00% | −0.01 |
| IYY iShares Dow Jones U.S. ETF | Sold out | 0.00% | −0.01 |
| DIS The Walt Disney Co. | Sold out | 0.00% | −0.01 |
| TMO Thermo Fisher Scientific Inc. | Reduce -24.2% | 0.04% | −0.01 |
| COF Capital One Financial Corp. | Sold out | 0.00% | −0.01 |
| WMT Walmart Inc. | Reduce -14.6% | 0.07% | −0.01 |
| ADP Automatic Data Processing | Reduce -21.0% | 0.05% | −0.01 |
| QQQ Invesco QQQ Trust Series 1 | Reduce -23.2% | 0.02% | −0.01 |
| PANW Palo Alto Networks Inc. | Reduce -3.1% | 0.15% | −0.01 |
| ACN Accenture PLC Class A | Reduce -2.8% | 0.06% | −0.01 |
| MRK Merck & Co. Inc. | Reduce -4.5% | 0.05% | −0.01 |
| SPY SS SPDR S&P 500 ETF Trust-US | Reduce -6.8% | 0.08% | −0.01 |
| TXN Texas Instruments Inc. | Reduce -23.2% | 0.02% | −0.01 |
| SAN Banco Santander SA-Spon ADR | Sold out | 0.00% | −0.01 |
| ADBE Adobe Inc. | Reduce -10.2% | 0.02% | −0.00 |
| IVV iShares Core S&P 500 ETF | Reduce -7.8% | 0.05% | −0.00 |
| PEP Pepsico Inc. | Reduce -15.5% | 0.02% | −0.00 |
| IWF iShares Russell 1000 Growth | Reduce -8.3% | 0.02% | −0.00 |
| DIA SS SPDR Dow Jones Indus Avg | Reduce -16.2% | 0.02% | −0.00 |
| HD Home Depot Inc. | Reduce -6.8% | 0.03% | −0.00 |
| WFC Wells Fargo & Co. | Reduce -9.1% | 0.09% | −0.00 |
| ASML ASML Holding NV-NY Reg SHS | Reduce -8.7% | 0.02% | −0.00 |
| AON Aon PLC Class A | Reduce -13.6% | 0.02% | +0.00 |
| IBM Intl Business Machines Corp. | Reduce -13.9% | 0.02% | +0.00 |
Portfolio Buys Q4 2024 → Q1 2025
| NFLX Netflix Inc. | Add +10404.3% | 2.54% | +2.52 |
| BSX Boston Scientific Corp. | Add +4808.2% | 2.46% | +2.41 |
| SAP Sap SE-Sponsored ADR | New | 2.10% | +2.10 |
| CSCO Cisco Systems Inc. | Add +4721.8% | 2.14% | +2.10 |
| FTNT Fortinet Inc. | New | 2.01% | +2.01 |
| MS Morgan Stanley | New | 1.02% | +1.02 |
| AZN Astrazeneca PLC-Spons ADR | New | 0.97% | +0.97 |
| GS Goldman Sachs Group Inc. | New | 0.91% | +0.91 |
| GEV GE Vernova Inc. | New | 0.89% | +0.89 |
| CRH CRH PLC | New | 0.88% | +0.88 |
| IBIT iShares Bitcoin Trust ETF | New | 0.86% | +0.86 |
| BRK.B Berkshire Hathaway Inc. Class B | Add +1.8% | 3.88% | +0.79 |
| PLTR Palantir Technologies Inc. Class A | Add +0.9% | 4.99% | +0.76 |
| TMUS T-Mobile US Inc. | Add +1.0% | 3.10% | +0.68 |
| V Visa Inc. Class A | Add +2.0% | 3.92% | +0.62 |
| MCK McKesson Corp. | Add +1.3% | 3.02% | +0.61 |
| LIN Linde PLC | Add +5.7% | 2.14% | +0.40 |
| PG The Procter & Gamble Co. | Add +2.9% | 4.42% | +0.39 |
| MELI MercadoLibre Inc. | Add +1.5% | 1.94% | +0.35 |
| COST Costco Wholesale Corp. | Add +1.1% | 3.83% | +0.33 |
| XOM Exxon Mobil Corp. | Add +3.6% | 1.96% | +0.33 |
| JPM JPMorgan Chase & Co. | Add +1.8% | 3.50% | +0.30 |
| META Meta Platforms Inc. Class A | Add +3.4% | 3.88% | +0.24 |
| IBN Icici Bank Ltd.-Spon ADR | Add +2.0% | 2.11% | +0.24 |
| PH Parker Hannifin Corp. | Add +2.9% | 2.18% | +0.07 |
| ISTB iShares Core 1-5 Year Usd Bo | New | 0.05% | +0.05 |
| MCD McDonald's Corp. | Add +0.3% | 0.40% | +0.05 |
| JNJ Johnson & Johnson | Add +20.4% | 0.14% | +0.04 |
| TRMB Trimble Inc. | New | 0.03% | +0.03 |
| CVX Chevron Corp. | Add +6.2% | 0.13% | +0.03 |
| USFR Wisdomtree Floating Rate Tre | New | 0.02% | +0.02 |
| QCOM Qualcomm Inc. | New | 0.01% | +0.01 |
| URTH iShares MSCI World ETF | Add +5.0% | 0.19% | +0.01 |
| HIMS Hims & Hers Health Inc. | New | 0.01% | +0.01 |
| JAAA Janus Henderson Aaa Clo ETF | New | 0.01% | +0.01 |
| MMM 3M Co. | Add +0.9% | 0.08% | +0.01 |
| T AT&T Inc. | Add +27.1% | 0.03% | +0.01 |
| BMY Bristol-Myers Squibb Co. | Add +6.5% | 0.06% | +0.01 |
| ISRG Intuitive Surgical Inc. | Add +0.9% | 2.60% | +0.01 |
| KO The Coca-Cola Co. | Add +33.5% | 0.02% | +0.01 |
| MA Mastercard Inc. Class A | Add +20.6% | 0.02% | +0.01 |
| BAC Bank of America Corp. | Add +5.8% | 0.04% | +0.00 |
| BX Blackstone Inc. | Add +29.3% | 0.02% | +0.00 |
| ADSK Autodesk Inc. | Add +0.8% | 0.25% | −0.02 |
| GOOG Alphabet Inc. Class C | Add +4.2% | 0.22% | −0.03 |
| BKNG Booking Holdings Inc. | Add +0.7% | 2.49% | −0.05 |
| CAT Caterpillar Inc. | Add +2.1% | 2.12% | −0.06 |
| MSFT Microsoft Corp. | Add +3.0% | 3.28% | −0.13 |
| ORCL Oracle Corp. | Add +3.0% | 1.99% | −0.21 |
| TSM Taiwan Semiconductor-SP ADR | Add +1.3% | 1.91% | −0.23 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 140 | $2.1B | NVDA, MU, AAPL, GOOGL, TSM |
| Q1 2026 | 148 | $1.7B | NVDA, AAPL, GOOGL, ISCF, TSM |
| Q4 2025 | 129 | $1.7B | NVDA, GOOGL, MSFT, ISCF, AAPL |
| Q3 2025 | 129 | $1.9B | NVDA, AAPL, MSFT, PLTR, HOOD |
| Q2 2025 | 115 | $1.6B | NVDA, JPM, PG, PLTR, COST |
| Q1 2025 | 101 | $1.5B | AAPL, PLTR, PG, V, AMZN |
| Q4 2024 | 110 | $1.6B | AAPL, NVDA, PLTR, AMZN, PG |
| Q3 2024 | 109 | $1.6B | NVDA, AAPL, PG, IWM, AMZN |
| Q2 2024 | 103 | $1.5B | NVDA, AAPL, NVO, PG, MCK |
| Q1 2024 | 107 | $1.5B | NVDA, IWM, NVO, AAPL, PG |