Main Street Research LLC

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 1, 2024), Main Street Research LLC reported 107 stock positions worth $1.5 billion. Its top holding was Nvidia (NVDA) at 4.6% of the portfolio, followed by iShares Russell 2000 ETF (IWM, 4.4%) and Novo-Nordisk A/S-Spons ADR (NVO, 4.1%). Compared with Q4 2023, it opened 14 new positions, sold out of 13, added to 49 and reduced 29. The biggest buy was Nvidia (NVDA, shares +0%) and the biggest sale Coca-Cola (KO, shares −99%).

Most Recent 13F
Q2 2026
Location
SAUSALITO, CA
CIK
0001513211
Portfolio Value
$1.5B (Q1 2024)
SEC Filing
0001941040-24-000221 ↗ filed May 1, 2024

Holdings Value

0$500.0M$1.0B$1.5B$2.0B$2.5B Q1 2024: $1.5B $1.5B Q1 2024 Q2 2024: $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 107 stocks · $1.5B
NVDA Nvidia Corp. 4.61% 75,064 $67.8M Add +0.0%
IWM iShares Russell 2000 ETF 4.37% 305,424 $64.2M Add +10.8%
NVO Novo-Nordisk A/S-Spons ADR 4.06% 462,312 $59.8M Reduce -1.0%
AAPL Apple Inc. 4.04% 346,552 $59.4M Add +3.0%
PG The Procter & Gamble Co. 3.86% 350,223 $56.8M Add +5.0%
MCK McKesson Corp. 3.66% 100,082 $53.8M Reduce -0.5%
AMZN Amazon.com Inc. 3.50% 285,169 $51.5M Add +2.1%
MSFT Microsoft Corp. 3.41% 119,176 $50.1M Add +0.3%
META Meta Platforms Inc. Class A 3.04% 92,104 $44.7M Add +1.8%
BRK.B Berkshire Hathaway Inc. Class B 2.97% 103,988 $43.7M Add +9.7%
V Visa Inc. Class A 2.94% 154,815 $43.2M Add +2.1%
COST Costco Wholesale Corp. 2.76% 55,510 $40.7M Add +9.5%
AMD Advanced Micro Devices 2.71% 220,617 $39.8M Add +0.6%
GOOGL Alphabet Inc. Class A 2.68% 261,095 $39.4M Add +2.7%
JPM JPMorgan Chase & Co. 2.64% 193,783 $38.8M Add +7.7%
ASML ASML Holding NV-NY Reg SHS 2.34% 35,426 $34.4M Add +1.6%
CAT Caterpillar Inc. 2.23% 89,665 $32.9M Add +3.9%
IR Ingersoll-Rand Inc. 2.20% 340,252 $32.3M Add +1.5%
AMAT Applied Materials Inc. 2.17% 155,101 $32.0M Add +1.6%
CRM Salesforce Inc. 2.14% 104,482 $31.5M Add +2.6%
AVGO Broadcom Inc. 2.13% 23,589 $31.3M Add +2.5%
ISRG Intuitive Surgical Inc. 2.01% 73,959 $29.5M Add +1.1%
CB Chubb Ltd. 1.94% 109,686 $28.5M Add +1.4%
SCHW Schwab (charles) Corp. 1.92% 391,354 $28.3M Add +5.5%
LIN Linde PLC 1.91% 60,577 $28.1M Add +1.4%
PANW Palo Alto Networks Inc. 1.87% 97,049 $27.6M Add +3.7%
BKNG Booking Holdings Inc. 1.87% 7,580 $27.5M Add +3.2%
HD Home Depot Inc. 1.86% 71,304 $27.4M Add +4.4%
RF Regions Financial Corp. 1.86% 1,283,914 $27.3M Add +117.0%
PH Parker Hannifin Corp. 1.85% 49,071 $27.3M Add +5.3%
TMUS T-Mobile US Inc. 1.83% 165,250 $27.0M Add +2.1%
GD General Dynamics Corp. 1.81% 94,460 $26.7M Add +5.7%
XOM Exxon Mobil Corp. 1.73% 219,180 $25.5M Add +4.0%
INTU Intuit Inc. 1.71% 38,590 $25.1M Add +5.8%
ORCL Oracle Corp. 1.67% 195,827 $24.6M Add +3.1%
IBN Icici Bank Ltd.-Spon ADR 1.59% 888,189 $23.5M New
ADBE Adobe Inc. 1.54% 44,943 $22.7M Add +2.9%
TTE Totalenergies SE -Spon ADR 1.53% 322,371 $22.4M Add +3.6%
TLT iShares 20+ Year Treasury BD 1.23% 191,876 $18.2M Add +1.6%
MCD McDonald's Corp. 0.40% 20,678 $5.8M Reduce -1.4%
BRK.A Berkshire Hathaway Inc. Class A 0.30% 7 $4.4M Add +40.0%
GOOG Alphabet Inc. Class C 0.19% 18,284 $2.8M Add +21.8%
FICO Fair Isaac Corp. 0.18% 2,151 $2.7M No change
LLY Eli Lilly & Co. 0.17% 3,281 $2.6M Add +4.8%
TSLA Tesla Inc. 0.16% 13,718 $2.4M Reduce -3.4%
URTH iShares MSCI World ETF 0.15% 14,961 $2.2M Add +3.7%
JNJ Johnson & Johnson 0.13% 11,758 $1.9M Reduce -15.6%
ABBV Abbvie Inc. 0.12% 9,984 $1.8M Reduce -1.7%
CVX Chevron Corp. 0.12% 10,897 $1.7M Add +7.0%
SPY SS SPDR S&P 500 ETF Trust-US 0.11% 2,974 $1.6M Add +6.2%
WFC Wells Fargo & Co. 0.10% 26,644 $1.5M Add +30.9%
CLX Clorox Company 0.10% 9,530 $1.5M Reduce -4.8%
ACN Accenture PLC Class A 0.08% 3,270 $1.1M Reduce -15.5%
BMY Bristol-Myers Squibb Co. 0.07% 18,618 $1.0M Reduce -11.3%
TMO Thermo Fisher Scientific Inc. 0.06% 1,605 $934K Add +12.9%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.06% 21,716 $823K Add +227.6%
ADP Automatic Data Processing 0.06% 3,272 $822K Reduce -3.6%
WMT Walmart Inc. 0.05% 12,831 $775K Reduce -2.2%
CSCO Cisco Systems Inc. 0.05% 15,497 $773K Add +37.4%
IVV iShares Core S&P 500 ETF 0.05% 1,409 $741K Reduce -3.5%
MRK Merck & Co. Inc. 0.05% 5,462 $725K Reduce -3.7%
ADSK Autodesk Inc. 0.05% 2,702 $704K Reduce -2.1%
SNAP Snap Inc. Class A 0.04% 55,630 $639K No change
CL Colgate-Palmolive Co. 0.04% 6,839 $616K Reduce -14.3%
C Citigroup Inc. 0.04% 8,597 $541K New
CMCSA Comcast Corp. Class A 0.04% 12,148 $527K Add +13.4%
BSX Boston Scientific Corp. 0.03% 7,406 $507K Reduce -15.5%
NSC Norfolk Southern Corp. 0.03% 1,811 $462K Reduce -3.5%
VOO Vanguard S&P 500 ETF 0.03% 944 $454K Reduce -0.4%
PEP Pepsico Inc. 0.03% 2,556 $450K Add +2.6%
SJM The JM Smucker Co. filed as SMUCKER J M CO 0.03% 3,539 $445K No change
SBUX Starbucks Corp. 0.03% 4,751 $434K Reduce -8.2%
ULTA Ulta Beauty Inc. 0.03% 806 $421K No change
XYL Xylem Inc. 0.03% 3,250 $420K No change
NTES Netease Inc.-ADR 0.03% 4,000 $414K No change
IYY iShares Dow Jones U.S. ETF 0.03% 3,020 $387K Reduce -11.3%
TXN Texas Instruments Inc. 0.03% 2,211 $385K Reduce -2.9%
ABT Abbott Laboratories 0.03% 3,295 $375K Reduce -14.8%
RTX RTX Corp. 0.03% 3,819 $372K Add +33.2%
VEEV Veeva Systems Inc. Class A 0.03% 1,600 $371K No change
DAL Delta Air Lines Inc. 0.02% 7,257 $347K New
CI The Cigna Group 0.02% 855 $311K No change
INTC Intel Corp. 0.02% 7,000 $309K Reduce -5.1%
MU Micron Technology Inc. 0.02% 2,486 $293K New
DIA SS SPDR Dow Jones Indus Avg filed as SPDR DOW JONES INDL AVERAGE 0.02% 720 $287K No change
AON Aon PLC Class A 0.02% 820 $274K Reduce -19.8%
MA Mastercard Inc. Class A 0.02% 560 $270K New
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.02% 1,366 $261K Reduce -16.9%
ENTG Entegris Inc. 0.02% 1,803 $253K No change
SCHX Schwab US Large-Cap ETF 0.02% 4,068 $252K New
NKE Nike Inc. Class B 0.02% 2,578 $243K Reduce -12.3%
CW Curtiss-Wright Corp. 0.02% 940 $241K No change
RMD Resmed Inc. 0.02% 1,200 $238K No change
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.02% 1,933 $237K New
LRCX Lam Research Corp. 0.02% 241 $235K New
IWF iShares Russell 1000 Growth 0.02% 695 $234K Reduce -7.1%
COF Capital One Financial Corp. 0.02% 1,519 $226K New
DE Deere & Co. 0.01% 526 $217K Reduce -25.9%
T AT&T Inc. 0.01% 12,130 $213K New
EW Edwards Lifesciences Corp. 0.01% 2,200 $210K New
KO The Coca-Cola Co. 0.01% 3,386 $209K Reduce -99.2%
WM Waste Management Inc. 0.01% 959 $204K New
SYY Sysco Corp. 0.01% 2,475 $201K New
VIG Vanguard Dividend Apprec ETF 0.01% 1,099 $201K New
LOCL Local Bounti Corp. 0.01% 46,394 $135K No change
SAN Banco Santander SA-Spon ADR 0.01% 17,739 $86K No change
BETTER HOME & FINANCE HOLDIN 0.00% 29,373 $15K No change

Portfolio Sells Q4 2023 → Q1 2024
KO The Coca-Cola Co. Reduce -99.2% 0.01% −1.87
TSLA Tesla Inc. Reduce -3.4% 0.16% −0.12
MCD McDonald's Corp. Reduce -1.4% 0.40% −0.10
MCK McKesson Corp. Reduce -0.5% 3.66% −0.09
EFA iShares MSCI Eafe ETF Sold out 0.00% −0.06
JNJ Johnson & Johnson Reduce -15.6% 0.13% −0.05
UNH Unitedhealth Group Inc. Sold out 0.00% −0.03
ACN Accenture PLC Class A Reduce -15.5% 0.08% −0.03
AEP American Electric Power Sold out 0.00% −0.02
DVY iShares Select Dividend ETF Sold out 0.00% −0.02
FNDX Schwab Fndmntl US LRG Co. ETF Sold out 0.00% −0.02
LULU Lululemon Athletica Inc. Sold out 0.00% −0.02
VWO Vanguard Ftse Emerging Marke Sold out 0.00% −0.02
QDF NT Qual Div ETF Sold out 0.00% −0.02
FNDA Schwab Fndmntl US SM Co. ETF Sold out 0.00% −0.02
FNDF Schwab Fndmn Intl LRG Co. ETF Sold out 0.00% −0.02
BMY Bristol-Myers Squibb Co. Reduce -11.3% 0.07% −0.02
COIN Coinbase Global Inc. Class A Sold out 0.00% −0.02
GILD Gilead Sciences Inc. Sold out 0.00% −0.02
TDY Teledyne Technologies Inc. Sold out 0.00% −0.02
CLX Clorox Company Reduce -4.8% 0.10% −0.02
MRK Merck & Co. Inc. Reduce -3.7% 0.05% −0.01
SBUX Starbucks Corp. Reduce -8.2% 0.03% −0.01
CL Colgate-Palmolive Co. Reduce -14.3% 0.04% −0.01
NKE Nike Inc. Class B Reduce -12.3% 0.02% −0.01
INTC Intel Corp. Reduce -5.1% 0.02% −0.01
ABT Abbott Laboratories Reduce -14.8% 0.03% −0.01
DE Deere & Co. Reduce -25.9% 0.01% −0.01
ADP Automatic Data Processing Reduce -3.6% 0.06% −0.01
BSX Boston Scientific Corp. Reduce -15.5% 0.03% −0.01
ADSK Autodesk Inc. Reduce -2.1% 0.05% −0.01
IVV iShares Core S&P 500 ETF Reduce -3.5% 0.05% −0.01
IYY iShares Dow Jones U.S. ETF Reduce -11.3% 0.03% −0.01
AON Aon PLC Class A Reduce -19.8% 0.02% −0.01
TXN Texas Instruments Inc. Reduce -2.9% 0.03% −0.01
NSC Norfolk Southern Corp. Reduce -3.5% 0.03% −0.00
IBM Intl Business Machines Corp. Reduce -16.9% 0.02% −0.00
WMT Walmart Inc. Reduce -2.2% 0.05% −0.00
ABBV Abbvie Inc. Reduce -1.7% 0.12% −0.00
VOO Vanguard S&P 500 ETF Reduce -0.4% 0.03% −0.00
IWF iShares Russell 1000 Growth Reduce -7.1% 0.02% −0.00
NVO Novo-Nordisk A/S-Spons ADR Reduce -1.0% 4.06% +0.19

Portfolio Buys Q4 2023 → Q1 2024
NVDA Nvidia Corp. Add +0.0% 4.61% +1.63
IBN Icici Bank Ltd.-Spon ADR New 1.59% +1.59
RF Regions Financial Corp. Add +117.0% 1.86% +0.94
META Meta Platforms Inc. Class A Add +1.8% 3.04% +0.47
BRK.B Berkshire Hathaway Inc. Class B Add +9.7% 2.97% +0.26
ASML ASML Holding NV-NY Reg SHS Add +1.6% 2.34% +0.22
AMAT Applied Materials Inc. Add +1.6% 2.17% +0.19
CAT Caterpillar Inc. Add +3.9% 2.23% +0.18
JPM JPMorgan Chase & Co. Add +7.7% 2.64% +0.18
PH Parker Hannifin Corp. Add +5.3% 1.85% +0.13
IR Ingersoll-Rand Inc. Add +1.5% 2.20% +0.11
AMD Advanced Micro Devices Add +0.6% 2.71% +0.11
AMZN Amazon.com Inc. Add +2.1% 3.50% +0.09
BRK.A Berkshire Hathaway Inc. Class A Add +40.0% 0.30% +0.08
ORCL Oracle Corp. Add +3.1% 1.67% +0.07
AVGO Broadcom Inc. Add +2.5% 2.13% +0.06
XOM Exxon Mobil Corp. Add +4.0% 1.73% +0.04
BAC Bank of America Corp. Add +227.6% 0.06% +0.04
C Citigroup Inc. New 0.04% +0.04
LLY Eli Lilly & Co. Add +4.8% 0.17% +0.03
ISRG Intuitive Surgical Inc. Add +1.1% 2.01% +0.03
WFC Wells Fargo & Co. Add +30.9% 0.10% +0.02
DAL Delta Air Lines Inc. New 0.02% +0.02
MU Micron Technology Inc. New 0.02% +0.02
GOOG Alphabet Inc. Class C Add +21.8% 0.19% +0.02
MA Mastercard Inc. Class A New 0.02% +0.02
SCHX Schwab US Large-Cap ETF New 0.02% +0.02
COST Costco Wholesale Corp. Add +9.5% 2.76% +0.02
DIS The Walt Disney Co. New 0.02% +0.02
LRCX Lam Research Corp. New 0.02% +0.02
COF Capital One Financial Corp. New 0.02% +0.02
T AT&T Inc. New 0.01% +0.01
EW Edwards Lifesciences Corp. New 0.01% +0.01
WM Waste Management Inc. New 0.01% +0.01
SYY Sysco Corp. New 0.01% +0.01
VIG Vanguard Dividend Apprec ETF New 0.01% +0.01
CSCO Cisco Systems Inc. Add +37.4% 0.05% +0.01
RTX RTX Corp. Add +33.2% 0.03% +0.01
TMO Thermo Fisher Scientific Inc. Add +12.9% 0.06% +0.00
SPY SS SPDR S&P 500 ETF Trust-US Add +6.2% 0.11% −0.00
CMCSA Comcast Corp. Class A Add +13.4% 0.04% −0.00
PEP Pepsico Inc. Add +2.6% 0.03% −0.00
CVX Chevron Corp. Add +7.0% 0.12% −0.01
URTH iShares MSCI World ETF Add +3.7% 0.15% −0.01
CRM Salesforce Inc. Add +2.6% 2.14% −0.01
CB Chubb Ltd. Add +1.4% 1.94% −0.03
HD Home Depot Inc. Add +4.4% 1.86% −0.04
GD General Dynamics Corp. Add +5.7% 1.81% −0.05
LIN Linde PLC Add +1.4% 1.91% −0.06
PG The Procter & Gamble Co. Add +5.0% 3.86% −0.06

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