Main Street Research LLC

Q3 2025 13F Holdings

  • Location
    sausalito, CA
  • Num holdings

    129

  • Value ($000)

    $1,850,823

  • Date Filed
    11/13/2025
  • Form type
    13F-HR
  • CIK
    0001513211
  • All SEC filings
  • Note
    Holdings aggregated across “other managers” listed in original SEC filing, see here for detailed holdings broken out by other managers
Compare Q3 2025 to
Select Quarter
Issuer Name
Class
CUSIP
VALUE
%
Shares
Principal
Option Type
N
NVDA

NVIDIA CORPORATION

COM
$112.24M
6 %

601,558

A
AAPL

APPLE INC

COM
$89.46M
5 %

351,315

M
MSFT

MICROSOFT CORP

COM
$87.10M
5 %

168,164

P
PLTR

PALANTIR TECHNOLOGIES INC

CL A
$83.09M
5 %

455,493

H
HOOD

ROBINHOOD MKTS INC

COM CL A
$77.22M
4 %

539,305

G
GOOGL

ALPHABET INC

CAP STK CL A
$72.89M
4 %

299,844

J
JPM

JPMORGAN CHASE & CO.

COM
$70.88M
4 %

224,723

A
AVGO

BROADCOM INC

COM
$68.76M
4 %

208,426

M
META

META PLATFORMS INC

CL A
$65.49M
4 %

89,183

T
TSM

TAIWAN SEMICONDUCTOR MFG LTD

SPONSORED ADS
$61.69M
3 %

220,871

Rows Per Page
10
  • 10
  • 50
  • 100
1 - 10 of 129