Main Street Research LLC

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed July 29, 2024), Main Street Research LLC reported 103 stock positions worth $1.5 billion. Its top holding was Nvidia (NVDA) at 6.2% of the portfolio, followed by Apple (AAPL, 5.1%) and Novo-Nordisk A/S-Spons ADR (NVO, 4.3%). Compared with Q1 2024, it opened 5 new positions, sold out of 9, added to 48 and reduced 37. The biggest buy was a new position in Taiwan Semiconductor-SP ADR (TSM) and the biggest sale iShares Russell 2000 ETF (IWM, shares −47%).

Most Recent 13F
Q2 2026
Location
SAUSALITO, CA
CIK
0001513211
Portfolio Value
$1.5B (Q2 2024)
SEC Filing
0001941040-24-000303 ↗ filed Jul 29, 2024

Holdings Value

0$500.0M$1.0B$1.5B$2.0B$2.5B Q1 2024: $1.5B Q1 2024 Q2 2024: $1.5B $1.5B Q2 2024 Q3 2024: $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 103 stocks · $1.5B

NVDA Nvidia Corp. 6.23% 763,993 $94.4M Add +1.8%
AAPL Apple Inc. 5.07% 364,782 $76.8M Add +5.3%
NVO Novo-Nordisk A/S-Spons ADR 4.34% 461,087 $65.8M Reduce -0.3%
PG The Procter & Gamble Co. 3.99% 367,144 $60.5M Add +4.8%
MCK McKesson Corp. 3.85% 99,950 $58.4M Reduce -0.1%
AMZN Amazon.com Inc. 3.74% 293,198 $56.7M Add +2.8%
MSFT Microsoft Corp. 3.62% 122,701 $54.8M Add +3.0%
GOOGL Alphabet Inc. Class A 3.25% 270,121 $49.2M Add +3.5%
COST Costco Wholesale Corp. 3.22% 57,362 $48.8M Add +3.3%
META Meta Platforms Inc. Class A 3.17% 95,321 $48.1M Add +3.5%
BRK.B Berkshire Hathaway Inc. Class B 2.86% 106,734 $43.4M Add +2.6%
V Visa Inc. Class A 2.77% 160,228 $42.1M Add +3.5%
JPM JPMorgan Chase & Co. 2.73% 204,552 $41.4M Add +5.6%
AVGO Broadcom Inc. 2.56% 24,166 $38.8M Add +2.5%
ASML ASML Holding NV-NY Reg SHS 2.49% 36,975 $37.8M Add +4.4%
AMAT Applied Materials Inc. 2.49% 159,783 $37.7M Add +3.0%
AMD Advanced Micro Devices 2.36% 220,613 $35.8M Reduce 0.0%
ISRG Intuitive Surgical Inc. 2.24% 76,319 $34.0M Add +3.2%
IWM iShares Russell 2000 ETF 2.15% 160,936 $32.7M Reduce -47.3%
IR Ingersoll-Rand Inc. 2.10% 350,312 $31.8M Add +3.0%
BKNG Booking Holdings Inc. 2.05% 7,837 $31.0M Add +3.4%
CAT Caterpillar Inc. 2.03% 92,451 $30.8M Add +3.1%
TMUS T-Mobile US Inc. 1.99% 170,971 $30.1M Add +3.5%
SCHW Schwab (charles) Corp. 1.95% 402,157 $29.6M Add +2.8%
CB Chubb Ltd. 1.92% 113,820 $29.1M Add +3.8%
TSM Taiwan Semiconductor-SP ADR 1.91% 165,995 $28.9M New
GD General Dynamics Corp. 1.87% 97,664 $28.3M Add +3.4%
ORCL Oracle Corp. 1.86% 200,237 $28.3M Add +2.3%
LIN Linde PLC 1.85% 64,032 $28.1M Add +5.7%
IBN Icici Bank Ltd.-Spon ADR 1.76% 927,727 $26.7M Add +4.5%
INTU Intuit Inc. 1.75% 40,420 $26.6M Add +4.7%
CEG Constellation Energy 1.75% 132,274 $26.5M New
XOM Exxon Mobil Corp. 1.74% 229,054 $26.4M Add +4.5%
PH Parker Hannifin Corp. 1.72% 51,463 $26.0M Add +4.9%
RF Regions Financial Corp. 1.71% 1,275,237 $25.9M Reduce -0.7%
ADBE Adobe Inc. 1.67% 45,693 $25.4M Add +1.7%
TTE Totalenergies SE -Spon ADR 1.49% 334,557 $22.6M Add +3.8%
MCD McDonald's Corp. 0.34% 20,115 $5.1M Reduce -2.7%
BRK.A Berkshire Hathaway Inc. Class A 0.28% 7 $4.3M No change
GOOG Alphabet Inc. Class C 0.22% 18,188 $3.3M Reduce -0.5%
FICO Fair Isaac Corp. 0.21% 2,151 $3.2M No change
LLY Eli Lilly & Co. 0.20% 3,278 $3.0M Reduce -0.1%
TSLA Tesla Inc. 0.18% 13,908 $2.8M Add +1.4%
PANW Palo Alto Networks Inc. 0.15% 6,896 $2.3M Reduce -92.9%
URTH iShares MSCI World ETF 0.14% 14,490 $2.1M Reduce -3.1%
SPY SS SPDR S&P 500 ETF Trust-US 0.13% 3,577 $2.0M Add +20.3%
CVX Chevron Corp. 0.11% 10,946 $1.7M Add +0.5%
WFC Wells Fargo & Co. 0.11% 28,557 $1.7M Add +7.2%
ABBV Abbvie Inc. 0.11% 9,722 $1.7M Reduce -2.6%
JNJ Johnson & Johnson 0.11% 11,056 $1.6M Reduce -6.0%
CLX Clorox Company 0.08% 9,328 $1.3M Reduce -2.1%
SYK Stryker Corp. 0.07% 3,085 $1.1M New
ACN Accenture PLC Class A 0.06% 2,962 $899K Reduce -9.4%
TMO Thermo Fisher Scientific Inc. 0.06% 1,555 $861K Reduce -3.1%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.05% 20,153 $801K Reduce -7.2%
WMT Walmart Inc. 0.05% 11,315 $766K Reduce -11.8%
ADP Automatic Data Processing 0.05% 3,172 $762K Reduce -3.1%
BMY Bristol-Myers Squibb Co. 0.05% 17,632 $732K Reduce -5.3%
MRK Merck & Co. Inc. 0.05% 5,775 $719K Add +5.7%
IVV iShares Core S&P 500 ETF 0.05% 1,314 $719K Reduce -6.7%
CL Colgate-Palmolive Co. 0.04% 6,939 $673K Add +1.5%
ADSK Autodesk Inc. 0.04% 2,519 $623K Reduce -6.8%
BSX Boston Scientific Corp. 0.04% 7,576 $583K Add +2.3%
VOO Vanguard S&P 500 ETF 0.03% 972 $488K Add +3.0%
CSCO Cisco Systems Inc. 0.03% 10,001 $475K Reduce -35.5%
CRM Salesforce Inc. 0.03% 1,774 $456K Reduce -98.3%
XYL Xylem Inc. 0.03% 3,250 $441K No change
PEP Pepsico Inc. 0.03% 2,491 $411K Reduce -2.5%
CMCSA Comcast Corp. Class A 0.03% 10,438 $409K Reduce -14.1%
RTX RTX Corp. 0.03% 3,976 $399K Add +4.1%
HD Home Depot Inc. 0.03% 1,139 $392K Reduce -98.4%
NSC Norfolk Southern Corp. 0.03% 1,804 $387K Reduce -0.4%
SJM The JM Smucker Co. filed as SMUCKER J M CO 0.03% 3,539 $386K No change
NTES Netease Inc.-ADR 0.03% 4,000 $382K No change
C Citigroup Inc. 0.02% 5,888 $374K Reduce -31.5%
TXN Texas Instruments Inc. 0.02% 1,853 $360K Reduce -16.2%
ABT Abbott Laboratories 0.02% 3,364 $350K Add +2.1%
DIA SS SPDR Dow Jones Indus Avg filed as SPDR DOW JONES INDL AVERAGE 0.02% 796 $312K Add +10.6%
MU Micron Technology Inc. 0.02% 2,328 $306K Reduce -6.4%
VEEV Veeva Systems Inc. Class A 0.02% 1,600 $293K No change
DAL Delta Air Lines Inc. 0.02% 6,155 $292K Reduce -15.2%
IWF iShares Russell 1000 Growth 0.02% 754 $275K Add +8.5%
VUG Vanguard Mrngstar GR ETF-Sui 0.02% 693 $260K New
CW Curtiss-Wright Corp. 0.02% 940 $255K No change
CI The Cigna Group 0.02% 756 $250K Reduce -11.6%
SCHX Schwab US Large-Cap ETF 0.02% 3,800 $245K Reduce -6.6%
ENTG Entegris Inc. 0.02% 1,803 $244K No change
LRCX Lam Research Corp. 0.02% 226 $241K Reduce -6.2%
QQQ Invesco QQQ Trust Series 1 0.02% 499 $239K New
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.02% 1,378 $238K Add +0.9%
RMD Resmed Inc. 0.02% 1,208 $231K Add +0.7%
T AT&T Inc. 0.02% 12,020 $230K Reduce -0.9%
KO The Coca-Cola Co. 0.01% 3,460 $222K Add +2.2%
INTC Intel Corp. 0.01% 7,000 $217K No change
WM Waste Management Inc. 0.01% 1,012 $216K Add +5.5%
AON Aon PLC Class A 0.01% 720 $211K Reduce -12.2%
NKE Nike Inc. Class B 0.01% 2,767 $210K Add +7.3%
MA Mastercard Inc. Class A 0.01% 468 $207K Reduce -16.4%
EW Edwards Lifesciences Corp. 0.01% 2,213 $204K Add +0.6%
VIG Vanguard Dividend Apprec ETF 0.01% 1,099 $202K No change
LOCL Local Bounti Corp. 0.01% 46,394 $129K No change
SAN Banco Santander SA-Spon ADR 0.01% 17,739 $82K No change
BETTER HOME & FINANCE HOLDIN 0.00% 29,373 $13K No change

Portfolio Sells Q1 2024 → Q2 2024

IWM iShares Russell 2000 ETF Reduce -47.3% 2.15% −2.21
CRM Salesforce Inc. Reduce -98.3% 0.03% −2.11
HD Home Depot Inc. Reduce -98.4% 0.03% −1.83
PANW Palo Alto Networks Inc. Reduce -92.9% 0.15% −1.72
TLT iShares 20+ Year Treasury BD Sold out 0.00% −1.23
AMD Advanced Micro Devices Reduce 0.0% 2.36% −0.35
RF Regions Financial Corp. Reduce -0.7% 1.71% −0.15
MCD McDonald's Corp. Reduce -2.7% 0.34% −0.06
SNAP Snap Inc. Class A Sold out 0.00% −0.04
SBUX Starbucks Corp. Sold out 0.00% −0.03
ULTA Ulta Beauty Inc. Sold out 0.00% −0.03
IYY iShares Dow Jones U.S. ETF Sold out 0.00% −0.03
CSCO Cisco Systems Inc. Reduce -35.5% 0.03% −0.02
BMY Bristol-Myers Squibb Co. Reduce -5.3% 0.05% −0.02
JNJ Johnson & Johnson Reduce -6.0% 0.11% −0.02
ACN Accenture PLC Class A Reduce -9.4% 0.06% −0.02
DIS The Walt Disney Co. Sold out 0.00% −0.02
COF Capital One Financial Corp. Sold out 0.00% −0.02
CLX Clorox Company Reduce -2.1% 0.08% −0.02
DE Deere & Co. Sold out 0.00% −0.01
SYY Sysco Corp. Sold out 0.00% −0.01
ABBV Abbvie Inc. Reduce -2.6% 0.11% −0.01
C Citigroup Inc. Reduce -31.5% 0.02% −0.01
CMCSA Comcast Corp. Class A Reduce -14.1% 0.03% −0.01
ADSK Autodesk Inc. Reduce -6.8% 0.04% −0.01
TMO Thermo Fisher Scientific Inc. Reduce -3.1% 0.06% −0.01
URTH iShares MSCI World ETF Reduce -3.1% 0.14% −0.01
NSC Norfolk Southern Corp. Reduce -0.4% 0.03% −0.01
ADP Automatic Data Processing Reduce -3.1% 0.05% −0.01
MA Mastercard Inc. Class A Reduce -16.4% 0.01% −0.00
AON Aon PLC Class A Reduce -12.2% 0.01% −0.00
CI The Cigna Group Reduce -11.6% 0.02% −0.00
DAL Delta Air Lines Inc. Reduce -15.2% 0.02% −0.00
PEP Pepsico Inc. Reduce -2.5% 0.03% −0.00
BAC Bank of America Corp. Reduce -7.2% 0.05% −0.00
IVV iShares Core S&P 500 ETF Reduce -6.7% 0.05% −0.00
TXN Texas Instruments Inc. Reduce -16.2% 0.02% −0.00
WMT Walmart Inc. Reduce -11.8% 0.05% −0.00
SCHX Schwab US Large-Cap ETF Reduce -6.6% 0.02% −0.00
LRCX Lam Research Corp. Reduce -6.2% 0.02% 0.00
MU Micron Technology Inc. Reduce -6.4% 0.02% +0.00
T AT&T Inc. Reduce -0.9% 0.02% +0.00
LLY Eli Lilly & Co. Reduce -0.1% 0.20% +0.02
GOOG Alphabet Inc. Class C Reduce -0.5% 0.22% +0.03
MCK McKesson Corp. Reduce -0.1% 3.85% +0.20
NVO Novo-Nordisk A/S-Spons ADR Reduce -0.3% 4.34% +0.28

Portfolio Buys Q1 2024 → Q2 2024

TSM Taiwan Semiconductor-SP ADR New 1.91% +1.91
CEG Constellation Energy New 1.75% +1.75
NVDA Nvidia Corp. Add +1.8% 6.23% +1.61
AAPL Apple Inc. Add +5.3% 5.07% +1.03
GOOGL Alphabet Inc. Class A Add +3.5% 3.25% +0.57
COST Costco Wholesale Corp. Add +3.3% 3.22% +0.45
AVGO Broadcom Inc. Add +2.5% 2.56% +0.43
AMAT Applied Materials Inc. Add +3.0% 2.49% +0.31
AMZN Amazon.com Inc. Add +2.8% 3.74% +0.24
ISRG Intuitive Surgical Inc. Add +3.2% 2.24% +0.23
MSFT Microsoft Corp. Add +3.0% 3.62% +0.21
ORCL Oracle Corp. Add +2.3% 1.86% +0.19
BKNG Booking Holdings Inc. Add +3.4% 2.05% +0.18
IBN Icici Bank Ltd.-Spon ADR Add +4.5% 1.76% +0.17
ASML ASML Holding NV-NY Reg SHS Add +4.4% 2.49% +0.16
TMUS T-Mobile US Inc. Add +3.5% 1.99% +0.15
ADBE Adobe Inc. Add +1.7% 1.67% +0.13
PG The Procter & Gamble Co. Add +4.8% 3.99% +0.13
META Meta Platforms Inc. Class A Add +3.5% 3.17% +0.13
JPM JPMorgan Chase & Co. Add +5.6% 2.73% +0.09
SYK Stryker Corp. New 0.07% +0.07
GD General Dynamics Corp. Add +3.4% 1.87% +0.05
INTU Intuit Inc. Add +4.7% 1.75% +0.05
SCHW Schwab (charles) Corp. Add +2.8% 1.95% +0.03
SPY SS SPDR S&P 500 ETF Trust-US Add +20.3% 0.13% +0.02
TSLA Tesla Inc. Add +1.4% 0.18% +0.02
VUG Vanguard Mrngstar GR ETF-Sui New 0.02% +0.02
QQQ Invesco QQQ Trust Series 1 New 0.02% +0.02
XOM Exxon Mobil Corp. Add +4.5% 1.74% +0.01
WFC Wells Fargo & Co. Add +7.2% 0.11% +0.01
BSX Boston Scientific Corp. Add +2.3% 0.04% +0.00
CL Colgate-Palmolive Co. Add +1.5% 0.04% +0.00
IWF iShares Russell 1000 Growth Add +8.5% 0.02% +0.00
VOO Vanguard S&P 500 ETF Add +3.0% 0.03% +0.00
DIA SS SPDR Dow Jones Indus Avg Add +10.6% 0.02% +0.00
RTX RTX Corp. Add +4.1% 0.03% +0.00
KO The Coca-Cola Co. Add +2.2% 0.01% +0.00
WM Waste Management Inc. Add +5.5% 0.01% +0.00
EW Edwards Lifesciences Corp. Add +0.6% 0.01% −0.00
RMD Resmed Inc. Add +0.7% 0.02% −0.00
MRK Merck & Co. Inc. Add +5.7% 0.05% −0.00
IBM Intl Business Machines Corp. Add +0.9% 0.02% −0.00
ABT Abbott Laboratories Add +2.1% 0.02% −0.00
NKE Nike Inc. Class B Add +7.3% 0.01% −0.00
CVX Chevron Corp. Add +0.5% 0.11% −0.00
CB Chubb Ltd. Add +3.8% 1.92% −0.02
TTE Totalenergies SE -Spon ADR Add +3.8% 1.49% −0.04
LIN Linde PLC Add +5.7% 1.85% −0.06
IR Ingersoll-Rand Inc. Add +3.0% 2.10% −0.10
BRK.B Berkshire Hathaway Inc. Class B Add +2.6% 2.86% −0.11

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