Main Street Research LLC Diversified Active

Location: Sausalito, CA

CIK: 0001513211 · Show all filings

Period: Q1 2026 (← Previous) (Next →)

Filing Date: Apr 30, 2026

Total Value: $1.719B (100.0% shares, 0.0% debt)

Holdings (148)

NVDA NVIDIA CORPORATION 6.3%
Value $108M Shares 620,776 Est. Cost $107.50 Unrealized +73.6%
AAPL APPLE INC 6.0%
Value $102M Shares 403,578 Est. Cost $175.36 Unrealized +49.9%
GOOGL ALPHABET INC 5.2%
Value $89.66M Shares 311,786 Est. Cost $136.94 Unrealized +136.1%
ISCF ISHARES TR 4.8%
Value $81.85M Shares 1,958,627 Est. Cost $41.22 Unrealized
TSM TAIWAN SEMICONDUCTOR MANUFAC 4.4%
Value $75.42M Shares 223,159 Est. Cost $217.24 Unrealized
XBI SPDR SERIES TRUST 4.2%
Value $72.48M Shares 567,479 Est. Cost $124.05 Unrealized
JPM JPMORGAN CHASE & CO 3.8%
Value $65.82M Shares 223,762 Est. Cost $150.08 Unrealized +107.5%
AVGO BROADCOM INC 3.8%
Value $65.74M Shares 212,402 Est. Cost $177.77 Unrealized +88.0%
MCK MCKESSON CORP 3.4%
Value $58.65M Shares 67,774 Est. Cost $278.68 Unrealized +214.1%
AMZN AMAZON COM INC 3.3%
Value $56.06M Shares 269,193 Est. Cost $149.94 Unrealized +51.3%
ASML ASML HLDG NV 3.2%
Value $55.06M Shares 41,687 Est. Cost $910.64 Unrealized
GLW CORNING INC 3.1%
Value $52.72M Shares 387,718 Est. Cost $111.68 Unrealized 0.0%
COST COSTCO WHOLESALE CORPORATION 2.7%
Value $45.97M Shares 46,139 Est. Cost $587.62 Unrealized +64.0%
JNJ JOHNSON & JOHNSON 2.7%
Value $45.68M Shares 186,882 Est. Cost $193.83 Unrealized +17.6%
EWY ISHARES INC 2.6%
Value $44.51M Shares 361,874 Est. Cost $97.68 Unrealized
GEV GE VERNOVA INC 2.6%
Value $44.25M Shares 50,692 Est. Cost $469.37 Unrealized +57.0%
GLDM WORLD GOLD TR 2.5%
Value $43.51M Shares 469,451 Est. Cost $66.36 Unrealized
CAT CATERPILLAR INC 2.5%
Value $43.29M Shares 61,110 Est. Cost $546.59 Unrealized +25.2%
WMT WALMART INC 2.5%
Value $42.86M Shares 344,869 Est. Cost $94.01 Unrealized +29.8%
CCJ CAMECO CORP 2.5%
Value $42.26M Shares 389,077 Est. Cost $78.68 Unrealized +47.8%
META META PLATFORMS INC 2.4%
Value $40.6M Shares 70,962 Est. Cost $450.87 Unrealized +45.4%
APH AMPHENOL CORP 2.2%
Value $38.04M Shares 301,043 Est. Cost $110.10 Unrealized +33.0%
BHP BHP BILLITON LIMITED 2.2%
Value $37.77M Shares 519,212 Est. Cost $72.74 Unrealized
AZN ASTRAZENECA PLC 2.2%
Value $37.6M Shares 190,644 Est. Cost $190.39 Unrealized 0.0%
MU MICRON TECHNOLOGY INC 2.1%
Value $36.86M Shares 109,109 Est. Cost $372.70 Unrealized +3.8%
RY ROYAL BK CDA 2.1%
Value $36.01M Shares 222,568 Est. Cost $169.94 Unrealized 0.0%
KEYS KEYSIGHT TECHNOLOGIES INC 1.9%
Value $31.89M Shares 112,937 Est. Cost $228.24 Unrealized 0.0%
MSFT MICROSOFT CORP 1.5%
Value $25M Shares 67,542 Est. Cost $387.96 Unrealized +12.0%
PLTR PALANTIR TECHNOLOGIES INC 1.4%
Value $24.52M Shares 167,647 Est. Cost $30.69 Unrealized +402.3%
PG PROCTER & GAMBLE CO 1.3%
Value $21.9M Shares 151,627 Est. Cost $101.02 Unrealized +50.2%
BCS BARCLAYS PLC 1.0%
Value $18.01M Shares 850,971 Est. Cost $20.67 Unrealized
FICO FAIR ISAAC CORP 0.5%
Value $9.036M Shares 8,464 Est. Cost $1494.16 Unrealized -1.8%
IBIT ISHARES BITCOIN TRUST ETF 0.4%
Value $7.534M Shares 196,085 Est. Cost $62.76 Unrealized
GOOG ALPHABET INC 0.4%
Value $6.723M Shares 23,437 Est. Cost $158.57 Unrealized +104.1%
BRK/B BERKSHIRE HATHAWAY INC DEL 0.3%
Value $5.74M Shares 11,978 Est. Cost $364.69 Unrealized +35.3%
PANW PALO ALTO NETWORKS INC 0.3%
Value $5.455M Shares 34,024 Est. Cost $174.44 Unrealized -1.3%
MCD MCDONALDS CORP 0.3%
Value $4.812M Shares 15,483 Est. Cost $79.33 Unrealized +299.9%
TSLA TESLA INC 0.3%
Value $4.586M Shares 12,337 Est. Cost $262.23 Unrealized +62.4%
SCHW SCHWAB CHARLES CORP 0.3%
Value $4.357M Shares 46,360 Est. Cost $74.07 Unrealized +35.2%
ANET ARISTA NETWORKS INC 0.2%
Value $4.295M Shares 34,981 Est. Cost $135.05 Unrealized 0.0%
XOM EXXON MOBIL CORP 0.2%
Value $4.059M Shares 23,924 Est. Cost $99.51 Unrealized +39.4%
WFC WELLS FARGO & CO 0.2%
Value $3.732M Shares 46,882 Est. Cost $77.76 Unrealized +15.8%
BRK/A BERKSHIRE HATHAWAY INC DEL 0.2%
Value $3.591M Shares 5 Est. Cost $506234.47 Unrealized +46.3%
CVX CHEVRON CORPORATION 0.2%
Value $3.487M Shares 16,851 Est. Cost $141.50 Unrealized +21.5%
ADSK AUTODESK INC 0.2%
Value $3.448M Shares 14,403 Est. Cost $239.48 Unrealized +6.0%
IXUS ISHARES TR 0.2%
Value $3.343M Shares 38,583 Est. Cost $80.01 Unrealized
V VISA INC 0.2%
Value $3.097M Shares 10,246 Est. Cost $236.39 Unrealized +39.3%
LLY ELI LILLY & CO 0.2%
Value $2.674M Shares 2,908 Est. Cost $641.50 Unrealized +63.2%
URTH ISHARES INC 0.2%
Value $2.654M Shares 14,742 Est. Cost $131.92 Unrealized
ABBV ABBVIE INC 0.1%
Value $2.231M Shares 10,258 Est. Cost $115.56 Unrealized +92.6%
SPY STATE STR SPDR S&P 500 ETF T 0.1%
Value $2.122M Shares 3,263 Est. Cost $522.68 Unrealized
IVV ISHARES TR 0.1%
Value $1.668M Shares 2,554 Est. Cost $570.95 Unrealized
CRM SALESFORCE INC 0.1%
Value $1.293M Shares 6,924 Est. Cost $246.18 Unrealized -12.4%
RTX RTX CORPORATION 0.1%
Value $1.17M Shares 6,066 Est. Cost $107.34 Unrealized +83.2%
ISTB ISHARES TR 0.1%
Value $1.166M Shares 24,058 Est. Cost $48.45 Unrealized
MRK MERCK & CO INC 0.1%
Value $1.145M Shares 9,521 Est. Cost $107.91 Unrealized +5.9%
MMM 3M CO 0.1%
Value $1.143M Shares 7,870 Est. Cost $123.47 Unrealized +32.8%
DIS DISNEY WALT CO 0.1%
Value $1.034M Shares 10,730 Est. Cost $109.45 Unrealized 0.0%
QQQ INVESCO QQQ TR 0.1%
Value $1.021M Shares 1,769 Est. Cost $548.96 Unrealized
SCHI SCHWAB STRATEGIC TR 0.1%
Value $1.005M Shares 44,326 Est. Cost $27.26 Unrealized
UNP UNION PAC CORP 0.1%
Value $1.002M Shares 4,129 Est. Cost $234.24 Unrealized +3.9%
CLX CLOROX CO DEL 0.1%
Value $988K Shares 9,537 Est. Cost $89.50 Unrealized +27.8%
IGLB ISHARES TR 0.1%
Value $931K Shares 18,751 Est. Cost $50.20 Unrealized
PHM PULTE GROUP INC 0.1%
Value $868K Shares 7,382 Est. Cost $131.41 Unrealized 0.0%
CRUS CIRRUS LOGIC INC 0.0%
Value $829K Shares 5,734 Est. Cost $132.52 Unrealized 0.0%
UBER UBER TECHNOLOGIES INC 0.0%
Value $827K Shares 11,491 Est. Cost $82.32 Unrealized -4.4%
VOO VANGUARD INDEX FDS 0.0%
Value $796K Shares 1,332 Est. Cost $569.36 Unrealized
CSCO CISCO SYS INC 0.0%
Value $780K Shares 10,057 Est. Cost $60.53 Unrealized +28.7%
GLD SPDR GOLD TR 0.0%
Value $777K Shares 1,806 Est. Cost $382.43 Unrealized
GS GOLDMAN SACHS GROUP INC 0.0%
Value $739K Shares 874 Est. Cost $932.60 Unrealized 0.0%
DIA STATE STR SPDR DOW JONES IND 0.0%
Value $696K Shares 1,502 Est. Cost $416.27 Unrealized
CW CURTISS WRIGHT CORP 0.0%
Value $689K Shares 1,012 Est. Cost $259.68 Unrealized +150.6%
TXN TEXAS INSTRS INC 0.0%
Value $685K Shares 3,527 Est. Cost $166.87 Unrealized +23.6%
ON ON SEMICONDUCTOR CORP 0.0%
Value $641K Shares 10,350 Est. Cost $64.12 Unrealized 0.0%
AMD ADVANCED MICRO DEVICES INC 0.0%
Value $640K Shares 3,145 Est. Cost $108.87 Unrealized +103.6%
HSBC HSBC HLDGS PLC 0.0%
Value $638K Shares 7,733 Est. Cost $62.05 Unrealized
CL COLGATE PALMOLIVE CO 0.0%
Value $638K Shares 7,484 Est. Cost $55.53 Unrealized +59.8%
C CITIGROUP INC 0.0%
Value $627K Shares 5,526 Est. Cost $63.82 Unrealized +82.0%
BX BLACKSTONE INC 0.0%
Value $611K Shares 5,317 Est. Cost $140.88 Unrealized 0.0%
T AT&T INC 0.0%
Value $585K Shares 20,193 Est. Cost $21.03 Unrealized +22.4%
BAC BANK AMERICA CORP 0.0%
Value $582K Shares 11,943 Est. Cost $36.44 Unrealized +47.3%
SYK STRYKER CORPORATION 0.0%
Value $579K Shares 1,763 Est. Cost $334.18 Unrealized +9.1%
PEP PEPSICO INC 0.0%
Value $578K Shares 3,722 Est. Cost $139.78 Unrealized +10.7%
DHI D R HORTON INC 0.0%
Value $523K Shares 3,808 Est. Cost $155.94 Unrealized 0.0%
MUFG MITSUBISHI UFJ FINANCIAL GRO 0.0%
Value $517K Shares 30,448 Est. Cost $15.86 Unrealized
ORCL ORACLE CORP 0.0%
Value $514K Shares 3,497 Est. Cost $200.19 Unrealized -15.3%
ADI ANALOG DEVICES INC 0.0%
Value $474K Shares 1,491 Est. Cost $225.12 Unrealized +40.4%
NTES NETEASE COM INC 0.0%
Value $457K Shares 4,085 Est. Cost $87.07 Unrealized
ADP AUTOMATIC DATA PROCESSING IN 0.0%
Value $453K Shares 2,232 Est. Cost $97.48 Unrealized +147.0%
TMO THERMO FISHER SCIENTIFIC INC 0.0%
Value $442K Shares 900 Est. Cost $385.66 Unrealized +49.0%
LRCX LAM RESEARCH CORP 0.0%
Value $425K Shares 1,988 Est. Cost $171.84 Unrealized +31.5%
BMY BRISTOL-MYERS SQUIBB CO 0.0%
Value $421K Shares 6,942 Est. Cost $35.11 Unrealized +63.6%
VTI VANGUARD INDEX FDS 0.0%
Value $414K Shares 1,289 Est. Cost $289.78 Unrealized
XYL XYLEM INC 0.0%
Value $397K Shares 3,319 Est. Cost $121.40 Unrealized +12.4%
ABT ABBOTT LABORATORIES 0.0%
Value $396K Shares 3,859 Est. Cost $76.21 Unrealized +51.4%
TT TRANE TECHNOLOGIES PLC 0.0%
Value $395K Shares 947 Est. Cost $393.96 Unrealized +7.2%
CMCSA COMCAST CORP NEW 0.0%
Value $388K Shares 13,520 Est. Cost $36.11 Unrealized -17.4%
ISRG INTUITIVE SURGICAL INC 0.0%
Value $387K Shares 839 Est. Cost $527.88 Unrealized -1.3%
EBAY EBAY INC. 0.0%
Value $380K Shares 4,175 Est. Cost $88.25 Unrealized +1.2%
BSX BOSTON SCIENTIFIC CORP 0.0%
Value $376K Shares 5,993 Est. Cost $99.66 Unrealized -13.9%
XLK SELECT SECTOR SPDR TR 0.0%
Value $372K Shares 2,800 Est. Cost $132.90 Unrealized
PTC PTC INC 0.0%
Value $354K Shares 2,481 Est. Cost $160.93 Unrealized 0.0%
LEN LENNAR CORP 0.0%
Value $339K Shares 3,904 Est. Cost $114.46 Unrealized 0.0%
DAL DELTA AIR LINES INC 0.0%
Value $338K Shares 5,091 Est. Cost $47.84 Unrealized +46.0%
IT GARTNER INC 0.0%
Value $335K Shares 2,115 Est. Cost $198.04 Unrealized 0.0%
ACN ACCENTURE PLC IRELAND 0.0%
Value $334K Shares 1,683 Est. Cost $277.34 Unrealized -8.7%
FTNT FORTINET INC 0.0%
Value $333K Shares 4,075 Est. Cost $79.98 Unrealized 0.0%
INTU INTUIT 0.0%
Value $308K Shares 712 Est. Cost $676.14 Unrealized -26.4%
TJX TJX COS INC NEW 0.0%
Value $306K Shares 1,919 Est. Cost $148.91 Unrealized +3.6%
IWF ISHARES TR 0.0%
Value $296K Shares 695 Est. Cost $323.66 Unrealized
SHOP SHOPIFY INC 0.0%
Value $289K Shares 2,436 Est. Cost $112.95 Unrealized +20.8%
LNG CHENIERE ENERGY INC 0.0%
Value $287K Shares 1,010 Est. Cost $209.78 Unrealized 0.0%
SJM SMUCKER J M CO 0.0%
Value $276K Shares 2,858 Est. Cost $70.91 Unrealized +46.9%
EXPE EXPEDIA GROUP INC 0.0%
Value $274K Shares 1,188 Est. Cost $248.20 Unrealized +2.1%
SCHX SCHWAB STRATEGIC TR 0.0%
Value $273K Shares 10,635 Est. Cost $24.97 Unrealized
COIN COINBASE GLOBAL INC 0.0%
Value $271K Shares 1,550 Est. Cost $233.78 Unrealized -14.2%
INTC INTEL CORP 0.0%
Value $261K Shares 5,919 Est. Cost $24.23 Unrealized +91.6%
KLAC KLA CORP 0.0%
Value $261K Shares 177 Est. Cost $930.36 Unrealized +57.1%
COP CONOCOPHILLIPS 0.0%
Value $257K Shares 1,950 Est. Cost $102.65 Unrealized 0.0%
NFLX NETFLIX INC. 0.0%
Value $257K Shares 2,673 Est. Cost $95.21 Unrealized -11.9%
SOXX ISHARES TR 0.0%
Value $254K Shares 771 Est. Cost $271.26 Unrealized
SCHF SCHWAB STRATEGIC TR 0.0%
Value $253K Shares 10,206 Est. Cost $22.26 Unrealized
NSC NORFOLK SOUTHN CORP 0.0%
Value $252K Shares 877 Est. Cost $68.45 Unrealized +335.6%
IDXX IDEXX LABS INC 0.0%
Value $251K Shares 447 Est. Cost $670.28 Unrealized 0.0%
MA MASTERCARD INCORPORATED 0.0%
Value $246K Shares 493 Est. Cost $492.44 Unrealized +9.5%
CRWD CROWDSTRIKE HLDGS INC 0.0%
Value $245K Shares 628 Est. Cost $431.12 Unrealized 0.0%
ADBE ADOBE INC 0.0%
Value $244K Shares 1,005 Est. Cost $423.28 Unrealized -31.5%
FNDX SCHWAB STRATEGIC TR 0.0%
Value $238K Shares 8,541 Est. Cost $24.92 Unrealized
AXP AMERICAN EXPRESS CO 0.0%
Value $234K Shares 773 Est. Cost $356.97 Unrealized -0.2%
PH PARKER-HANNIFIN CORP 0.0%
Value $234K Shares 261 Est. Cost $817.77 Unrealized +17.1%
IYY ISHARES TR 0.0%
Value $229K Shares 1,446 Est. Cost $150.87 Unrealized
IGM ISHARES TR 0.0%
Value $229K Shares 1,932 Est. Cost $112.34 Unrealized
HOOD ROBINHOOD MKTS INC 0.0%
Value $228K Shares 3,290 Est. Cost $59.18 Unrealized +61.8%
HD HOME DEPOT INC 0.0%
Value $226K Shares 686 Est. Cost $322.68 Unrealized +16.8%
TMUS T-MOBILE US INC 0.0%
Value $225K Shares 1,070 Est. Cost $140.13 Unrealized +42.9%
ENTG ENTEGRIS INC 0.0%
Value $217K Shares 1,852 Est. Cost $118.35 Unrealized 0.0%
MTCH MATCH GROUP INC NEW 0.0%
Value $215K Shares 7,011 Est. Cost $31.40 Unrealized 0.0%
COF CAPITAL ONE FINL CORP 0.0%
Value $215K Shares 1,180 Est. Cost $190.34 Unrealized +17.3%
NEE NEXTERA ENERGY INC 0.0%
Value $210K Shares 2,266 Est. Cost $82.50 Unrealized +5.7%
CI THE CIGNA GROUP 0.0%
Value $206K Shares 771 Est. Cost $280.70 Unrealized 0.0%
TDY TELEDYNE TECHNOLOGIES INC 0.0%
Value $204K Shares 338 Est. Cost $613.97 Unrealized 0.0%
PHG KONINKLIJKE PHILIPS N V 0.0%
Value $203K Shares 7,420 Est. Cost $27.40 Unrealized
VRT VERTIV HOLDINGS CO 0.0%
Value $203K Shares 810 Est. Cost $199.85 Unrealized 0.0%
COHR COHERENT CORP 0.0%
Value $202K Shares 846 Est. Cost $213.35 Unrealized 0.0%
PACB PACIFIC BIOSCIENCES CALIF IN 0.0%
Value $201K Shares 152,100 Est. Cost $2.02 Unrealized 0.0%
AON AON PLC 0.0%
Value $201K Shares 622 Est. Cost $322.05 Unrealized +4.3%
OMDA OMADA HEALTH INC 0.0%
Value $200K Shares 15,909 Est. Cost $20.28 Unrealized -31.1%
TMC TMC THE METALS COMPANY INC 0.0%
Value $46,700 Shares 10,000 Est. Cost $6.97 Unrealized 0.0%