<SEC-DOCUMENT>0001941040-24-000221-index.html : 20240501
<SEC-HEADER>0001941040-24-000221.hdr.sgml : 20240501
<ACCEPTANCE-DATETIME>20240501133533
ACCESSION NUMBER:		0001941040-24-000221
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240331
FILED AS OF DATE:		20240501
DATE AS OF CHANGE:		20240501
EFFECTIVENESS DATE:		20240501

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Main Street Research LLC
		CENTRAL INDEX KEY:			0001513211
		ORGANIZATION NAME:           	
		IRS NUMBER:				680313978
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-14411
		FILM NUMBER:		24902041

	BUSINESS ADDRESS:	
		STREET 1:		30 LIBERTY SHIP WAY, SUITE 3330
		CITY:			SAUSALITO
		STATE:			CA
		ZIP:			94965
		BUSINESS PHONE:		1-415-289-1010

	MAIL ADDRESS:	
		STREET 1:		30 LIBERTY SHIP WAY, SUITE 3330
		CITY:			SAUSALITO
		STATE:			CA
		ZIP:			94965
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-HR
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

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<DOCUMENT>
<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>infotable.xml
<TEXT>
Document 2 - file: infotable.html

Document 2 - RAW XML: infotable.xml

</DOCUMENT>
</SEC-DOCUMENT>