Main Street Research LLC

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 12, 2024), Main Street Research LLC reported 109 stock positions worth $1.6 billion. Its top holding was Nvidia (NVDA) at 6.0% of the portfolio, followed by Apple (AAPL, 5.4%) and Procter & Gamble (PG, 4.0%). Compared with Q2 2024, it opened 13 new positions, sold out of 7, added to 53 and reduced 30. The biggest buy was a new position in Palantir Technologies Class A (PLTR) and the biggest sale Schwab (charles) (SCHW, shares −91%).

Most Recent 13F
Q2 2026
Location
SAUSALITO, CA
CIK
0001513211
Portfolio Value
$1.6B (Q3 2024)
SEC Filing
0001941040-24-000499 ↗ filed Nov 12, 2024

Holdings Value

0$500.0M$1.0B$1.5B$2.0B$2.5B Q1 2024: $1.5B Q1 2024 Q2 2024: $1.5B Q2 2024 Q3 2024: $1.6B $1.6B Q3 2024 Q4 2024: $1.6B Q4 2024 Q1 2025: $1.5B Q1 2025 Q2 2025: $1.6B Q2 2025 Q3 2025: $1.9B Q3 2025 Q4 2025: $1.7B Q4 2025 Q1 2026: $1.7B Q1 2026 Q2 2026: $2.1B Q2 2026

Holdings 109 stocks · $1.6B
NVDA Nvidia Corp. 6.01% 785,940 $95.5M Add +2.9%
AAPL Apple Inc. 5.39% 367,344 $85.6M Add +0.7%
PG The Procter & Gamble Co. 4.00% 367,266 $63.6M Add +0.0%
IWM iShares Russell 2000 ETF 3.82% 274,570 $60.6M Add +70.6%
AMZN Amazon.com Inc. 3.51% 299,156 $55.7M Add +2.0%
META Meta Platforms Inc. Class A 3.50% 97,046 $55.6M Add +1.8%
NVO Novo-Nordisk A/S-Spons ADR 3.46% 462,068 $55.0M Add +0.2%
MSFT Microsoft Corp. 3.40% 125,423 $54.0M Add +2.2%
COST Costco Wholesale Corp. 3.28% 58,820 $52.1M Add +2.5%
BRK.B Berkshire Hathaway Inc. Class B 3.13% 107,986 $49.7M Add +1.2%
GOOGL Alphabet Inc. Class A 2.86% 273,779 $45.4M Add +1.4%
V Visa Inc. Class A 2.83% 163,766 $45.0M Add +2.2%
JPM JPMorgan Chase & Co. 2.79% 210,557 $44.4M Add +2.9%
AVGO Broadcom Inc. 2.68% 246,686 $42.6M Add +2.1%
ISRG Intuitive Surgical Inc. 2.41% 78,049 $38.3M Add +2.3%
CAT Caterpillar Inc. 2.31% 94,050 $36.8M Add +1.7%
TMUS T-Mobile US Inc. 2.25% 173,323 $35.8M Add +1.4%
ORCL Oracle Corp. 2.24% 209,307 $35.7M Add +4.5%
IR Ingersoll-Rand Inc. 2.21% 357,149 $35.1M Add +1.9%
CEG Constellation Energy 2.20% 134,461 $35.0M Add +1.6%
BKNG Booking Holdings Inc. 2.12% 8,015 $33.8M Add +2.3%
CB Chubb Ltd. 2.12% 116,454 $33.7M Add +2.3%
PH Parker Hannifin Corp. 2.09% 52,588 $33.2M Add +2.2%
PLTR Palantir Technologies Inc. Class A 2.09% 892,801 $33.2M New
MCK McKesson Corp. 2.06% 65,968 $32.7M Reduce -34.0%
RF Regions Financial Corp. 2.01% 1,355,706 $32.0M Add +6.3%
LIN Linde PLC 1.95% 65,132 $31.1M Add +1.7%
GD General Dynamics Corp. 1.90% 100,119 $30.3M Add +2.5%
TSM Taiwan Semiconductor-SP ADR 1.85% 168,994 $29.5M Add +1.8%
IBN Icici Bank Ltd.-Spon ADR 1.79% 953,006 $28.4M Add +2.7%
XOM Exxon Mobil Corp. 1.74% 235,898 $27.7M Add +3.0%
INTU Intuit Inc. 1.62% 41,450 $25.7M Add +2.5%
ADBE Adobe Inc. 1.52% 46,549 $24.1M Add +1.9%
TTE Totalenergies SE -Spon ADR 1.43% 346,162 $22.7M Add +3.5%
AMD Advanced Micro Devices 1.19% 115,360 $18.9M Reduce -47.7%
AMAT Applied Materials Inc. 1.04% 81,471 $16.5M Reduce -49.0%
ASML ASML Holding NV-NY Reg SHS 1.03% 19,594 $16.3M Reduce -47.0%
NOW ServiceNow Inc. 0.92% 16,316 $14.6M New
MELI MercadoLibre Inc. 0.89% 6,923 $14.2M New
MCD McDonald's Corp. 0.38% 19,801 $6.0M Reduce -1.6%
BRK.A Berkshire Hathaway Inc. Class A 0.30% 7 $4.8M No change
FICO Fair Isaac Corp. 0.26% 2,151 $4.2M No change
ADSK Autodesk Inc. 0.25% 14,693 $4.0M Add +483.3%
TSLA Tesla Inc. 0.23% 13,906 $3.6M Reduce -0.0%
GOOG Alphabet Inc. Class C 0.20% 18,852 $3.2M Add +3.6%
LLY Eli Lilly & Co. 0.18% 3,302 $2.9M Add +0.7%
SCHW Schwab (charles) Corp. 0.15% 36,624 $2.4M Reduce -90.9%
PANW Palo Alto Networks Inc. 0.14% 6,655 $2.3M Reduce -3.5%
URTH iShares MSCI World ETF 0.14% 14,330 $2.2M Reduce -1.1%
ABBV Abbvie Inc. 0.12% 9,673 $1.9M Reduce -0.5%
CRM Salesforce Inc. 0.12% 6,743 $1.8M Add +280.1%
JNJ Johnson & Johnson 0.11% 10,480 $1.7M Reduce -5.2%
CVX Chevron Corp. 0.10% 11,209 $1.7M Add +2.4%
CLX Clorox Company 0.10% 9,328 $1.5M No change
SPY SS SPDR S&P 500 ETF Trust-US 0.08% 2,125 $1.2M Reduce -40.6%
WFC Wells Fargo & Co. 0.07% 20,713 $1.2M Reduce -27.5%
MRK Merck & Co. Inc. 0.07% 9,689 $1.1M Add +67.8%
IVV iShares Core S&P 500 ETF 0.07% 1,877 $1.1M Add +42.9%
TMO Thermo Fisher Scientific Inc. 0.07% 1,718 $1.1M Add +10.5%
ACN Accenture PLC Class A 0.07% 2,934 $1.0M Reduce -0.9%
WMT Walmart Inc. 0.06% 11,874 $959K Add +4.9%
ADP Automatic Data Processing 0.06% 3,172 $882K No change
BMY Bristol-Myers Squibb Co. 0.05% 15,232 $788K Reduce -13.6%
SYK Stryker Corp. 0.05% 2,106 $762K Reduce -31.7%
CL Colgate-Palmolive Co. 0.04% 6,839 $710K Reduce -1.4%
BSX Boston Scientific Corp. 0.04% 7,737 $648K Add +2.1%
MMM 3M Co. 0.04% 4,294 $587K New
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.04% 14,185 $563K Reduce -29.6%
CSCO Cisco Systems Inc. 0.03% 10,069 $536K Add +0.7%
VOO Vanguard S&P 500 ETF 0.03% 968 $512K Reduce -0.4%
RTX RTX Corp. 0.03% 3,987 $483K Add +0.3%
NSC Norfolk Southern Corp. 0.03% 1,796 $446K Reduce -0.4%
XYL Xylem Inc. 0.03% 3,250 $439K No change
CMCSA Comcast Corp. Class A 0.03% 10,372 $433K Reduce -0.6%
HD Home Depot Inc. 0.03% 1,069 $433K Reduce -6.2%
SJM The JM Smucker Co. filed as SMUCKER J M CO 0.03% 3,539 $429K No change
PEP Pepsico Inc. 0.03% 2,491 $424K No change
TXN Texas Instruments Inc. 0.03% 2,047 $423K Add +10.5%
SCHI Schwab 5-10 Year Corporate B 0.03% 8,879 $410K New
ABT Abbott Laboratories 0.02% 3,436 $392K Add +2.1%
C Citigroup Inc. 0.02% 6,142 $384K Add +4.3%
NTES Netease Inc.-ADR 0.02% 4,000 $374K No change
VEEV Veeva Systems Inc. Class A 0.02% 1,600 $336K No change
MOAT Vaneck Morningstar Wide Moat 0.02% 3,422 $332K New
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.02% 1,404 $310K Add +1.9%
RMD Resmed Inc. 0.02% 1,208 $295K No change
CW Curtiss-Wright Corp. 0.02% 888 $292K Reduce -5.5%
QQQ Invesco QQQ Trust Series 1 0.02% 596 $291K Add +19.4%
NFLX Netflix Inc. 0.02% 394 $279K New
T AT&T Inc. 0.02% 12,446 $274K Add +3.5%
DIA SS SPDR Dow Jones Indus Avg filed as SPDR DOW JONES INDL AVERAGE 0.02% 640 $272K Reduce -19.6%
UNH Unitedhealth Group Inc. 0.02% 463 $271K New
IWF iShares Russell 1000 Growth 0.02% 695 $261K Reduce -7.8%
MA Mastercard Inc. Class A 0.02% 520 $257K Add +11.1%
KO The Coca-Cola Co. 0.02% 3,489 $252K Add +0.8%
AON Aon PLC Class A 0.02% 720 $249K No change
CI The Cigna Group 0.02% 712 $247K Reduce -5.8%
DAL Delta Air Lines Inc. 0.01% 4,545 $231K Reduce -26.2%
NKE Nike Inc. Class B 0.01% 2,567 $228K Reduce -7.2%
APO Apollo Global Management Inc. 0.01% 1,733 $217K New
BX Blackstone Inc. 0.01% 1,374 $210K New
MO Altria Group Inc. 0.01% 4,000 $208K New
ENTG Entegris Inc. 0.01% 1,833 $206K Add +1.7%
MU Micron Technology Inc. 0.01% 1,961 $203K Reduce -15.8%
IYY iShares Dow Jones U.S. ETF 0.01% 1,446 $202K New
WM Waste Management Inc. 0.01% 965 $200K Reduce -4.6%
LOCL Local Bounti Corp. 0.01% 46,394 $116K No change
SAN Banco Santander SA-Spon ADR 0.01% 17,739 $90K No change
PSEC Prospect Capital Corp. 0.00% 10,207 $55K New

Portfolio Sells Q2 2024 → Q3 2024
SCHW Schwab (charles) Corp. Reduce -90.9% 0.15% −1.81
MCK McKesson Corp. Reduce -34.0% 2.06% −1.80
ASML ASML Holding NV-NY Reg SHS Reduce -47.0% 1.03% −1.47
AMAT Applied Materials Inc. Reduce -49.0% 1.04% −1.45
AMD Advanced Micro Devices Reduce -47.7% 1.19% −1.17
SPY SS SPDR S&P 500 ETF Trust-US Reduce -40.6% 0.08% −0.05
WFC Wells Fargo & Co. Reduce -27.5% 0.07% −0.04
SYK Stryker Corp. Reduce -31.7% 0.05% −0.02
BAC Bank of America Corp. Reduce -29.6% 0.04% −0.02
VUG Vanguard Mrngstar GR ETF-Sui Sold out 0.00% −0.02
SCHX Schwab US Large-Cap ETF Sold out 0.00% −0.02
LRCX Lam Research Corp. Sold out 0.00% −0.02
INTC Intel Corp. Sold out 0.00% −0.01
EW Edwards Lifesciences Corp. Sold out 0.00% −0.01
VIG Vanguard Dividend Apprec ETF Sold out 0.00% −0.01
PANW Palo Alto Networks Inc. Reduce -3.5% 0.14% −0.01
MU Micron Technology Inc. Reduce -15.8% 0.01% −0.01
DAL Delta Air Lines Inc. Reduce -26.2% 0.01% −0.00
DIA SS SPDR Dow Jones Indus Avg Reduce -19.6% 0.02% −0.00
IWF iShares Russell 1000 Growth Reduce -7.8% 0.02% −0.00
WM Waste Management Inc. Reduce -4.6% 0.01% −0.00
CI The Cigna Group Reduce -5.8% 0.02% −0.00
BETTER HOME & FINANCE HOLDIN Sold out 0.00% −0.00
VOO Vanguard S&P 500 ETF Reduce -0.4% 0.03% +0.00
CL Colgate-Palmolive Co. Reduce -1.4% 0.04% +0.00
CMCSA Comcast Corp. Class A Reduce -0.6% 0.03% +0.00
JNJ Johnson & Johnson Reduce -5.2% 0.11% +0.00
URTH iShares MSCI World ETF Reduce -1.1% 0.14% +0.00
NKE Nike Inc. Class B Reduce -7.2% 0.01% +0.00
BMY Bristol-Myers Squibb Co. Reduce -13.6% 0.05% +0.00
HD Home Depot Inc. Reduce -6.2% 0.03% +0.00
CW Curtiss-Wright Corp. Reduce -5.5% 0.02% +0.00
NSC Norfolk Southern Corp. Reduce -0.4% 0.03% +0.00
ACN Accenture PLC Class A Reduce -0.9% 0.07% +0.01
ABBV Abbvie Inc. Reduce -0.5% 0.12% +0.01
MCD McDonald's Corp. Reduce -1.6% 0.38% +0.04
TSLA Tesla Inc. Reduce -0.0% 0.23% +0.05

Portfolio Buys Q2 2024 → Q3 2024
PLTR Palantir Technologies Inc. Class A New 2.09% +2.09
IWM iShares Russell 2000 ETF Add +70.6% 3.82% +1.66
NOW ServiceNow Inc. New 0.92% +0.92
MELI MercadoLibre Inc. New 0.89% +0.89
CEG Constellation Energy Add +1.6% 2.20% +0.45
ORCL Oracle Corp. Add +4.5% 2.24% +0.38
PH Parker Hannifin Corp. Add +2.2% 2.09% +0.37
META Meta Platforms Inc. Class A Add +1.8% 3.50% +0.33
AAPL Apple Inc. Add +0.7% 5.39% +0.32
RF Regions Financial Corp. Add +6.3% 2.01% +0.31
CAT Caterpillar Inc. Add +1.7% 2.31% +0.28
TMUS T-Mobile US Inc. Add +1.4% 2.25% +0.26
BRK.B Berkshire Hathaway Inc. Class B Add +1.2% 3.13% +0.26
ADSK Autodesk Inc. Add +483.3% 0.25% +0.21
CB Chubb Ltd. Add +2.3% 2.12% +0.20
ISRG Intuitive Surgical Inc. Add +2.3% 2.41% +0.17
AVGO Broadcom Inc. Add +2.1% 2.68% +0.12
IR Ingersoll-Rand Inc. Add +1.9% 2.21% +0.11
LIN Linde PLC Add +1.7% 1.95% +0.10
CRM Salesforce Inc. Add +280.1% 0.12% +0.09
BKNG Booking Holdings Inc. Add +2.3% 2.12% +0.08
COST Costco Wholesale Corp. Add +2.5% 3.28% +0.07
JPM JPMorgan Chase & Co. Add +2.9% 2.79% +0.06
V Visa Inc. Class A Add +2.2% 2.83% +0.06
MMM 3M Co. New 0.04% +0.04
GD General Dynamics Corp. Add +2.5% 1.90% +0.03
IBN Icici Bank Ltd.-Spon ADR Add +2.7% 1.79% +0.03
SCHI Schwab 5-10 Year Corporate B New 0.03% +0.03
MRK Merck & Co. Inc. Add +67.8% 0.07% +0.02
MOAT Vaneck Morningstar Wide Moat New 0.02% +0.02
IVV iShares Core S&P 500 ETF Add +42.9% 0.07% +0.02
NFLX Netflix Inc. New 0.02% +0.02
UNH Unitedhealth Group Inc. New 0.02% +0.02
APO Apollo Global Management Inc. New 0.01% +0.01
BX Blackstone Inc. New 0.01% +0.01
MO Altria Group Inc. New 0.01% +0.01
IYY iShares Dow Jones U.S. ETF New 0.01% +0.01
TMO Thermo Fisher Scientific Inc. Add +10.5% 0.07% +0.01
WMT Walmart Inc. Add +4.9% 0.06% +0.01
PG The Procter & Gamble Co. Add +0.0% 4.00% +0.01
RTX RTX Corp. Add +0.3% 0.03% +0.00
IBM Intl Business Machines Corp. Add +1.9% 0.02% +0.00
PSEC Prospect Capital Corp. New 0.00% +0.00
TXN Texas Instruments Inc. Add +10.5% 0.03% +0.00
QQQ Invesco QQQ Trust Series 1 Add +19.4% 0.02% +0.00
MA Mastercard Inc. Class A Add +11.1% 0.02% +0.00
CSCO Cisco Systems Inc. Add +0.7% 0.03% +0.00
BSX Boston Scientific Corp. Add +2.1% 0.04% +0.00
T AT&T Inc. Add +3.5% 0.02% +0.00
ABT Abbott Laboratories Add +2.1% 0.02% +0.00

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 140$2.1BNVDA, MU, AAPL, GOOGL, TSM
Q1 2026 148$1.7BNVDA, AAPL, GOOGL, ISCF, TSM
Q4 2025 129$1.7BNVDA, GOOGL, MSFT, ISCF, AAPL
Q3 2025 129$1.9BNVDA, AAPL, MSFT, PLTR, HOOD
Q2 2025 115$1.6BNVDA, JPM, PG, PLTR, COST
Q1 2025 101$1.5BAAPL, PLTR, PG, V, AMZN
Q4 2024 110$1.6BAAPL, NVDA, PLTR, AMZN, PG
Q3 2024 109$1.6BNVDA, AAPL, PG, IWM, AMZN
Q2 2024 103$1.5BNVDA, AAPL, NVO, PG, MCK
Q1 2024 107$1.5BNVDA, IWM, NVO, AAPL, PG