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
NVDA
NVDA

NVIDIA CORPORATION

COM
$112.24 M
6 %

601,558

AAPL
AAPL

APPLE INC

COM
$89.46 M
5 %

351,315

MSFT
MSFT

MICROSOFT CORP

COM
$87.10 M
5 %

168,164

PLTR
PLTR

PALANTIR TECHNOLOGIES INC

CL A
$83.09 M
5 %

455,493

HOOD
HOOD

ROBINHOOD MKTS INC

COM CL A
$77.22 M
4 %

539,305

GOOGL
GOOGL

ALPHABET INC

CAP STK CL A
$72.89 M
4 %

299,844

JPM
JPM

JPMORGAN CHASE & CO.

COM
$70.88 M
4 %

224,723

AVGO
AVGO

BROADCOM INC

COM
$68.76 M
4 %

208,426

META
META

META PLATFORMS INC

CL A
$65.49 M
4 %

89,183

TSM
TSM

TAIWAN SEMICONDUCTOR MFG LTD

SPONSORED ADS
$61.69 M
3 %

220,871

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