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Main Street Research LLC

CIK 0001513211

Annualised vol
13.682977%
Beta
0.651518
HHI
351.980163
Top-10 weight
48.909936%
VaR 95%
1.37871%
VaR 99%
2.398156%
Max drawdown
18.622622%
Matched value
65.065107%

Returns of reported holdings

Loading returns…

Position changes vs prior quarter

What the latest 13F shows bought and sold against the quarter before, by share count.

TickerChangeShares nowShares beforeShare change %Value now ($)
NVDA ADDED 630,053 620,776 1.49% 126,067,297
MU REDUCED 108,636 109,109 -0.43% 125,397,358
GOOGL ADDED 339,654 335,223 1.32% 121,290,363
AAPL ADDED 406,129 403,578 0.63% 117,517,404
AVGO ADDED 213,841 212,402 0.68% 80,778,363
JPM ADDED 226,299 223,762 1.13% 74,074,475
CAT ADDED 61,759 61,110 1.06% 65,767,159
AMZN ADDED 274,738 269,193 2.06% 65,480,981
GEV ADDED 50,802 50,692 0.22% 59,685,399
JNJ ADDED 188,640 186,882 0.94% 47,908,843
COST ADDED 47,497 46,139 2.94% 44,432,468
BCS ADDED 1,621,490 850,971 90.55% 43,553,224
META ADDED 72,187 70,962 1.73% 40,662,490
KEYS ADDED 115,108 112,937 1.92% 40,295,858
CCJ ADDED 391,529 389,077 0.63% 39,881,144
WMT ADDED 348,650 344,869 1.1% 39,488,132
AZN ADDED 197,417 190,644 3.55% 37,434,212
ROST NEW 150,755 - - 32,088,202
FTI NEW 413,657 - - 27,425,459
MSFT ADDED 69,182 67,542 2.43% 25,806,278
PG REDUCED 151,073 151,627 -0.37% 22,153,275
MCK REDUCED 28,475 67,774 -57.99% 21,516,028
FICO ADDED 9,580 8,464 13.19% 11,445,992
PANW REDUCED 23,343 34,024 -31.39% 7,960,430
ANET REDUCED 34,937 34,981 -0.13% 5,935,098
TSLA ADDED 12,943 12,337 4.91% 5,444,026
SCHW REDUCED 45,887 46,360 -1.02% 4,234,030
LLY REDUCED 2,746 2,908 -5.57% 3,293,389
V REDUCED 9,369 10,246 -8.56% 3,214,454
ADSK REDUCED 14,240 14,403 -1.13% 2,768,541
CVX REDUCED 16,080 16,851 -4.58% 2,665,488
ABBV REDUCED 9,721 10,258 -5.23% 2,446,086
MCD REDUCED 8,913 15,483 -42.43% 2,409,244
AMD ADDED 3,308 3,145 5.18% 1,921,650
PLTR REDUCED 11,444 167,647 -93.17% 1,335,171
MMM REDUCED 7,610 7,870 -3.3% 1,232,135
RTX REDUCED 5,752 6,066 -5.18% 1,091,366
MRK REDUCED 8,298 9,521 -12.85% 1,066,293
INTC ADDED 7,350 5,919 24.18% 1,026,281
ON ADDED 10,363 10,350 0.13% 979,718
CRM REDUCED 5,802 6,924 -16.2% 908,941
CRUS ADDED 5,936 5,734 3.52% 881,674
LRCX ADDED 2,016 1,988 1.41% 873,695
GS REDUCED 811 874 -7.21% 820,221
C ADDED 5,803 5,526 5.01% 812,188
CW ADDED 1,038 1,012 2.57% 786,555
UBER REDUCED 10,806 11,491 -5.96% 779,761
CL ADDED 8,390 7,484 12.11% 769,195
FTNT ADDED 4,214 4,075 3.41% 647,355
BX REDUCED 5,036 5,317 -5.28% 592,586
DAL ADDED 6,263 5,091 23.02% 586,593
ADI REDUCED 1,395 1,491 -6.44% 554,052
EBAY ADDED 4,739 4,175 13.51% 529,583
NTES UNCHANGED 4,085 4,085 0.0% 523,452
ORCL ADDED 3,505 3,497 0.23% 513,649
KLAC ADDED 1,604 177 806.21% 483,943
TT ADDED 948 947 0.11% 465,620
HUT NEW 3,986 - - 460,164
PEP REDUCED 3,365 3,722 -9.59% 455,565
LEN ADDED 4,483 3,904 14.83% 405,667
TMO REDUCED 800 900 -11.11% 401,088
SYK REDUCED 1,221 1,763 -30.74% 384,313
SHOP ADDED 3,345 2,436 37.32% 381,932
EXPE ADDED 1,431 1,188 20.45% 366,164
MTCH ADDED 8,746 7,011 24.75% 332,785
ENTG REDUCED 1,832 1,852 -1.08% 329,504
COHR REDUCED 823 846 -2.72% 324,649
XYL REDUCED 2,729 3,319 -17.78% 322,595
BMY REDUCED 5,252 6,942 -24.34% 302,604
T REDUCED 14,071 20,193 -30.32% 291,270
MNST NEW 2,967 - - 285,188
PTC REDUCED 2,438 2,481 -1.73% 276,981
CMCSA REDUCED 11,037 13,520 -18.37% 270,958
PH ADDED 265 261 1.53% 259,202
IT REDUCED 1,991 2,115 -5.86% 258,073
LNG UNCHANGED 1,010 1,010 0.0% 241,400
ABEO NEW 38,514 - - 238,017
ABT REDUCED 2,493 3,859 -35.4% 226,253
HIMS NEW 6,200 - - 214,954
AON ADDED 628 622 0.96% 208,301
KO NEW 2,558 - - 207,903
DDOG NEW 791 - - 205,945
TMC UNCHANGED 10,000 10,000 0.0% 44,300
IBIT CLOSED OUT 0 196,085 -100.0% 0
OMDA CLOSED OUT 0 15,909 -100.0% 0
BSX CLOSED OUT 0 5,993 -100.0% 0
NFLX CLOSED OUT 0 2,673 -100.0% 0
NEE CLOSED OUT 0 2,266 -100.0% 0
COP CLOSED OUT 0 1,950 -100.0% 0
COIN CLOSED OUT 0 1,550 -100.0% 0
TMUS CLOSED OUT 0 1,070 -100.0% 0
ADBE CLOSED OUT 0 1,005 -100.0% 0
ISRG CLOSED OUT 0 839 -100.0% 0
VRT CLOSED OUT 0 810 -100.0% 0
AXP CLOSED OUT 0 773 -100.0% 0
INTU CLOSED OUT 0 712 -100.0% 0
HD CLOSED OUT 0 686 -100.0% 0
MA CLOSED OUT 0 493 -100.0% 0
TDY CLOSED OUT 0 338 -100.0% 0

Holdings (latest quarter)

TickerChangeIssuerClassCUSIPValue ($)Weight %Shares
NVDA ADDED NVIDIA CORPORATION COM 67066G104 126,067,297 5.95 630053.0
MU REDUCED MICRON TECHNOLOGY INC COM 595112103 125,397,358 5.92 108636.0
AAPL ADDED APPLE INC COM 037833100 117,517,404 5.55 406129.0
GOOGL ADDED ALPHABET INC CAP STK CL A 02079K305 113,267,393 5.35 316947.0
- TAIWAN SEMICONDUCTOR MANUFAC SPONSORED ADS 874039100 109,090,838 5.15 228429.0
- CORNING INC COM 219350105 100,654,235 4.75 394058.0
- SPDR SERIES TRUST ST STR SP BIOT 78464A870 91,271,321 4.31 576754.0
- ISHARES TR INTERNATIONAL SL 46434V266 87,764,241 4.14 2027356.0
- ASML HLDG NV N Y REGISTRY SHS N07059210 84,344,300 3.98 42396.0
AVGO ADDED BROADCOM INC COM 11135F101 80,778,363 3.81 213841.0
JPM ADDED JPMORGAN CHASE & CO COM 46625H100 74,074,475 3.5 226299.0
- ISHARES INC MSCI STH KOR ETF 464286772 72,858,644 3.44 360865.0
CAT ADDED CATERPILLAR INC COM 149123101 65,767,159 3.1 61759.0
AMZN ADDED AMAZON COM INC COM 023135106 65,480,981 3.09 274738.0
GEV ADDED GE VERNOVA INC COM 36828A101 59,685,399 2.82 50802.0
- AMPHENOL CORP CL A 032095101 54,432,855 2.57 308716.0
JNJ ADDED JOHNSON & JOHNSON COM 478160104 47,908,843 2.26 188640.0
- ROYAL BK CDA COM 780087102 47,010,338 2.22 227136.0
COST ADDED COSTCO WHOLESALE CORPORATION COM 22160K105 44,432,468 2.1 47497.0
- BHP BILLITON LIMITED SPONSORED ADS 088606108 43,991,929 2.08 528051.0
BCS ADDED BARCLAYS PLC ADR 06738E204 43,553,224 2.06 1621490.0
META ADDED META PLATFORMS INC CL A 30303M102 40,662,490 1.92 72187.0
KEYS ADDED KEYSIGHT TECHNOLOGIES INC COM 49338L103 40,295,858 1.9 115108.0
CCJ ADDED CAMECO CORP COM 13321L108 39,881,144 1.88 391529.0
WMT ADDED WALMART INC COM 931142103 39,488,132 1.86 348650.0
AZN ADDED ASTRAZENECA PLC ORD G0593M107 37,434,212 1.77 197417.0
ROST NEW ROSS STORES INC COM 778296103 32,088,202 1.51 150755.0
FTI NEW TECHNIPFMC PLC COM G87110105 27,425,459 1.29 413657.0
MSFT ADDED MICROSOFT CORP COM 594918104 25,806,278 1.22 69182.0
PG REDUCED PROCTER & GAMBLE CO COM 742718109 22,153,275 1.05 151073.0
MCK REDUCED MCKESSON CORP COM 58155Q103 21,516,028 1.02 28475.0
FICO ADDED FAIR ISAAC CORP COM 303250104 11,445,992 0.54 9580.0
GOOGL ADDED ALPHABET INC CAP STK CL C 02079K107 8,022,970 0.38 22707.0
PANW REDUCED PALO ALTO NETWORKS INC COM 697435105 7,960,430 0.38 23343.0
- BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 5,994,672 0.28 11980.0
ANET REDUCED ARISTA NETWORKS INC COM SHS 040413205 5,935,098 0.28 34937.0
TSLA ADDED TESLA INC COM 88160R101 5,444,026 0.26 12943.0
SCHW REDUCED SCHWAB CHARLES CORP COM 808513105 4,234,030 0.2 45887.0
- WELLS FARGO & CO COM 949746101 4,011,511 0.19 48542.0
- BERKSHIRE HATHAWAY INC DEL CL A 084670108 3,744,250 0.18 5.0
- ISHARES TR CORE MSCI TOTAL 46432F834 3,729,127 0.18 39073.0
LLY REDUCED ELI LILLY & CO COM 532457108 3,293,389 0.16 2746.0
V REDUCED VISA INC COM CL A 92826C839 3,214,454 0.15 9369.0
- EXXON MOBIL CORP COM 30231G102 3,067,587 0.14 22437.0
ADSK REDUCED AUTODESK INC COM 052769106 2,768,541 0.13 14240.0
- ISHARES INC MSCI WORLD ETF 464286392 2,737,869 0.13 13511.0
CVX REDUCED CHEVRON CORPORATION COM 166764100 2,665,488 0.13 16080.0
- STATE STR SPDR S&P 500 ETF T TR UNIT 78462F103 2,602,493 0.12 3485.0
ABBV REDUCED ABBVIE INC COM 00287Y109 2,446,086 0.12 9721.0
MCD REDUCED MCDONALDS CORP COM 580135101 2,409,244 0.11 8913.0
AMD ADDED ADVANCED MICRO DEVICES INC COM 007903107 1,921,650 0.09 3308.0
- ISHARES TR CORE S&P500 ETF 464287200 1,355,502 0.06 1810.0
PLTR REDUCED PALANTIR TECHNOLOGIES INC CL A 69608A108 1,335,171 0.06 11444.0
MMM REDUCED 3M CO COM 88579Y101 1,232,135 0.06 7610.0
- ISHARES TR CORE 1 5 YR USD 46432F859 1,186,564 0.06 24592.0
- CISCO SYS INC COM 17275R102 1,137,194 0.05 9682.0
- INVESCO QQQ TR UNIT SER 1 46090E103 1,127,086 0.05 1531.0
RTX REDUCED RTX CORPORATION COM 75513E101 1,091,366 0.05 5752.0
MRK REDUCED MERCK & CO INC COM 58933Y105 1,066,293 0.05 8298.0
- TEXAS INSTRS INC COM 882508104 1,061,154 0.05 3560.0
- SCHWAB STRATEGIC TR 5 10YR CORP BD 808524698 1,052,488 0.05 46488.0
INTC ADDED INTEL CORP COM 458140100 1,026,281 0.05 7350.0
- ISHARES TR 10+ YR INVST GRD 464289511 986,839 0.05 19721.0
- PULTE GROUP INC COM 745867101 980,365 0.05 7145.0
ON ADDED ON SEMICONDUCTOR CORP COM 682189105 979,718 0.05 10363.0
CRM REDUCED SALESFORCE INC COM 79466L302 908,941 0.04 5802.0
CRUS ADDED CIRRUS LOGIC INC COM 172755100 881,674 0.04 5936.0
LRCX ADDED LAM RESEARCH CORP COM NEW 512807306 873,695 0.04 2016.0
- CLOROX CO DEL COM 189054109 852,661 0.04 8934.0
GS REDUCED GOLDMAN SACHS GROUP INC COM 38141G104 820,221 0.04 811.0
C ADDED CITIGROUP INC COM NEW 172967424 812,188 0.04 5803.0
- STATE STR SPDR DOW JONES IND UT SER 1 78467X109 804,919 0.04 1541.0
CW ADDED CURTISS WRIGHT CORP COM 231561101 786,555 0.04 1038.0
UBER REDUCED UBER TECHNOLOGIES INC COM 90353T100 779,761 0.04 10806.0
CL ADDED COLGATE PALMOLIVE CO COM 194162103 769,195 0.04 8390.0
- VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 758,581 0.04 1104.0
- HSBC HLDGS PLC SPON ADR NEW 404280406 739,039 0.03 7772.0
- BANK OF AMER CORP COM 060505104 676,296 0.03 11869.0
- D R HORTON INC COM 23331A109 663,736 0.03 4075.0
- UNION PAC CORP COM 907818108 656,336 0.03 2413.0
- MITSUBISHI UFJ FINANCIAL GRO SPONSORED ADS 606822104 650,821 0.03 32721.0
FTNT ADDED FORTINET INC COM 34959E109 647,355 0.03 4214.0
BX REDUCED BLACKSTONE INC COM 09260D107 592,586 0.03 5036.0
DAL ADDED DELTA AIR LINES INC COM NEW 247361702 586,593 0.03 6263.0
- CROWDSTRIKE HLDGS INC CL A 22788C105 567,776 0.03 744.0
ADI REDUCED ANALOG DEVICES INC COM 032654105 554,052 0.03 1395.0
- SELECT SECTOR SPDR TR ST STR TECHN ETF 81369Y803 533,456 0.03 2800.0
EBAY ADDED EBAY INC. COM 278642103 529,583 0.02 4739.0
NTES UNCHANGED NETEASE COM INC SPONSORED ADS 64110W102 523,452 0.02 4085.0
ORCL ADDED ORACLE CORP COM 68389X105 513,649 0.02 3505.0
- ISHARES TR ISHARES SEMICDTR 464287523 494,273 0.02 771.0
KLAC ADDED KLA CORP COM NEW 482480100 483,943 0.02 1604.0
- AUTOMATIC DATA PROCESSING IN COM 053015103 468,503 0.02 2092.0
TT ADDED TRANE TECHNOLOGIES PLC SHS G8994E103 465,620 0.02 948.0
- VANGUARD INDEX FDS TOTAL STK MKT 922908769 464,400 0.02 1255.0
- ISHARES TR EXPND TEC SC ETF 464287549 460,641 0.02 2816.0
HUT NEW HUT 8 CORP COM 44812J104 460,164 0.02 3986.0
PEP REDUCED PEPSICO INC COM 713448108 455,565 0.02 3365.0
LEN ADDED LENNAR CORP CL A 526057104 405,667 0.02 4483.0
TMO REDUCED THERMO FISHER SCIENTIFIC INC COM 883556102 401,088 0.02 800.0
SYK REDUCED STRYKER CORPORATION COM 863667101 384,313 0.02 1221.0
- TJX COS INC NEW COM 872540109 382,386 0.02 2524.0
SHOP ADDED SHOPIFY INC CL A SUB VTG SHS 82509L107 381,932 0.02 3345.0
- SMUCKER J M CO COM NEW 832696405 375,413 0.02 3337.0
EXPE ADDED EXPEDIA GROUP INC COM NEW 30212P303 366,164 0.02 1431.0
- ISHARES TR RUS 1000 GRW ETF 464287614 345,193 0.02 2780.0
MTCH ADDED MATCH GROUP INC NEW COM 57667L107 332,785 0.02 8746.0
ENTG REDUCED ENTEGRIS INC COM 29362U104 329,504 0.02 1832.0
COHR REDUCED COHERENT CORP COM 19247G107 324,649 0.02 823.0
XYL REDUCED XYLEM INC COM 98419M100 322,595 0.02 2729.0
- UNITED AIRLS HLDGS INC COM 910047109 318,761 0.02 2344.0
- IDEXX LABS INC COM 45168D104 315,864 0.01 600.0
BMY REDUCED BRISTOL-MYERS SQUIBB CO COM 110122108 302,604 0.01 5252.0
T REDUCED AT&T INC COM 00206R102 291,270 0.01 14071.0
- VANGUARD TAX-MANAGED FDS VAN FTSE DEV MKT 921943858 291,128 0.01 4086.0
- SCHWAB STRATEGIC TR US LRG CAP ETF 808524201 289,439 0.01 9835.0
MNST NEW MONSTER BEVERAGE CORP NEW COM 61174X109 285,188 0.01 2967.0
PTC REDUCED PTC INC COM 69370C100 276,981 0.01 2438.0
CMCSA REDUCED COMCAST CORP NEW CL A 20030N101 270,958 0.01 11037.0
- ISHARES TR CORE S&P US GWT 464287671 269,909 0.01 1435.0
- SCHWAB STRATEGIC TR INTL EQTY ETF 808524805 266,086 0.01 9606.0
- SCHWAB STRATEGIC TR FUNDAMENTAL US L 808524771 265,614 0.01 8541.0
- ISHARES TR DOW JONES US ETF 464287846 263,577 0.01 1446.0
- ISHARES TR CORE S&P US VLU 464287663 261,166 0.01 2371.0
PH ADDED PARKER-HANNIFIN CORP COM 701094104 259,202 0.01 265.0
- ROBINHOOD MKTS INC COM CL A 770700102 258,823 0.01 2581.0
IT REDUCED GARTNER INC COM 366651107 258,073 0.01 1991.0
- PACIFIC BIOSCIENCES CALIF IN COM 69404D108 255,528 0.01 152100.0
- QUALCOMM INC COM 747525103 254,009 0.01 1375.0
- NORFOLK SOUTHN CORP COM 655844108 253,560 0.01 806.0
LNG UNCHANGED CHENIERE ENERGY INC COM NEW 16411R208 241,400 0.01 1010.0
ABEO NEW ABEONA THERAPEUTICS INC COM NEW 00289Y206 238,017 0.01 38514.0
- THE CIGNA GROUP COM 125523100 233,225 0.01 846.0
ABT REDUCED ABBOTT LABORATORIES COM 002824100 226,253 0.01 2493.0
HIMS NEW HIMS & HERS HEALTH INC COM CL A 433000106 214,954 0.01 6200.0
AON ADDED AON PLC SHS CL A G0403H108 208,301 0.01 628.0
- KONINKLIJKE PHILIPS N V NY REGIS SHS NEW 500472303 208,139 0.01 7655.0
KO NEW COCA COLA CO COM 191216100 207,903 0.01 2558.0
DDOG NEW DATADOG INC CL A COM 23804L103 205,945 0.01 791.0
TMC UNCHANGED TMC THE METALS COMPANY INC COM 87261Y106 44,300 0.0 10000.0

Quarterly portfolios

PeriodFiledValue ($)PositionsVol %BetaMax DD %
2026-06-30 2026-07-29 2,118,491,302 140 13.682977 0.651518 18.622622
2026-03-31 2026-04-30 1,718,527,602 148 12.84337 0.626758 17.670098
2025-12-31 2026-02-09 1,748,175,977 129 13.734166 0.665093 20.657101
2025-09-30 2025-11-13 1,850,822,523 129 14.690157 0.711588 23.729096
2025-03-31 2025-04-30 1,530,416,622 101 14.970448 0.731767 22.403822
2024-12-31 2025-02-07 1,604,978,184 110 16.348153 0.796084 23.897825