STOCK TITAN

Largest Companies by Market Cap - October 2026

The largest US-listed companies by market capitalization as the market stood at the close of October 2026. This ranking is frozen at that date and does not move with today's prices.

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Rank
Symbol
Company Name
Market Cap
Rank Change
Sector
701
$15.26B
▼ 4
Financial Services
702
$15.14B
▲ 42
Technology
703
$15.14B
▼ 4
Utilities
704
$15.09B
▲ 43
Industrials
705
$15.04B
▲ 30
Consumer Cyclical
706
$15.02B
▼ 69
Basic Materials
707
$15.01B
▲ 31
Technology
708
$15.00B
—
Industrials
709
$14.94B
▼ 73
Industrials
710
$14.89B
▼ 64
Consumer Cyclical
711
$14.86B
▲ 72
Healthcare
712
$14.85B
▼ 3
Healthcare
713
$14.85B
▲ 93
Technology
714
$14.75B
▼ 16
Real Estate
715
$14.69B
▲ 10
Financial Services
716
$14.66B
▲ 14
Real Estate
717
$14.64B
▲ 104
Financial Services
718
$14.63B
▼ 46
Industrials
719
$14.63B
▲ 39
Consumer Cyclical
720
$14.60B
▲ 46
Healthcare
721
$14.56B
▼ 52
Industrials
722
$14.54B
▲ 48
Industrials
723
$14.52B
▲ 32
Industrials
724
$14.51B
—
Energy
725
$14.45B
▲ 93
Technology
726
$14.45B
▼ 93
Industrials
727
$14.44B
▲ 34
Financial Services
728
$14.43B
▼ 2
Financial Services
729
$14.42B
▲ 100
Technology
730
$14.38B
▼ 57
Financial Services
731
$14.36B
▼ 18
Real Estate
732
$14.33B
▲ 32
Consumer Cyclical
733
$14.32B
▼ 18
Financial Services
734
$14.24B
▼ 11
Real Estate
735
$14.23B
▼ 19
Industrials
736
$14.22B
▼ 52
—
737
$14.07B
▲ 187
Healthcare
738
$14.02B
▼ 141
Industrials
739
$14.02B
▼ 49
Healthcare
740
$14.00B
▲ 37
Consumer Defensive
741
$13.97B
▲ 9
Communication Services
742
$13.93B
▲ 11
Consumer Cyclical
743
$13.88B
▲ 30
Consumer Defensive
744
$13.84B
▼ 53
Healthcare
745
$13.81B
▲ 20
Consumer Cyclical
746
$13.80B
▼ 15
Financial Services
747
$13.80B
▼ 70
Financial Services
749
$13.71B
—
Financial Services
750
$13.66B
▼ 130
Technology
751
$13.66B
▲ 1
Real Estate
752
$13.60B
▼ 20
Real Estate
753
$13.58B
▼ 47
Technology
754
$13.56B
▲ 72
Consumer Defensive
755
$13.52B
▼ 19
Real Estate
756
$13.48B
▲ 20
Consumer Cyclical
757
$13.47B
▼ 142
Basic Materials
758
$13.45B
▲ 33
Consumer Cyclical
759
$13.44B
▼ 168
Technology
760
$13.44B
▲ 62
Technology
761
$13.41B
▲ 48
Healthcare
762
$13.38B
▲ 45
Consumer Defensive
763
$13.35B
▲ 141
Consumer Cyclical
764
$13.35B
▼ 62
Communication Services
765
$13.33B
▼ 84
Technology
766
$13.31B
▲ 77
Healthcare
767
$13.28B
▼ 47
Utilities
768
$13.27B
▲ 40
Consumer Cyclical
769
$13.24B
▲ 17
Communication Services
770
$13.20B
▼ 148
Technology
771
$13.18B
—
Technology
772
$13.17B
—
Consumer Defensive
773
$13.17B
▲ 31
Financial Services
774
$13.12B
▼ 45
Real Estate
775
$13.06B
▲ 3
Basic Materials
776
$13.06B
▼ 36
Industrials
777
$13.04B
▲ 26
Financial Services
778
$13.00B
▼ 51
Technology
779
$12.92B
▲ 109
Energy
780
$12.90B
▼ 131
Technology
781
$12.88B
▲ 52
Consumer Cyclical
782
$12.88B
▲ 60
Utilities
783
$12.82B
▼ 46
Healthcare
784
$12.80B
▼ 73
Healthcare
785
$12.79B
▲ 26
Consumer Cyclical
786
$12.77B
▼ 38
Communication Services
787
$12.77B
new
Energy
788
$12.76B
▲ 50
Financial Services
789
$12.71B
▼ 2
Consumer Defensive
790
$12.68B
▲ 12
Energy
791
$12.67B
▲ 63
Energy
792
$12.64B
▼ 8
Industrials
793
$12.57B
▼ 11
Healthcare
794
$12.49B
▲ 83
Industrials
795
$12.44B
▲ 45
Healthcare
796
$12.36B
▲ 131
Technology
797
$12.35B
▲ 50
Utilities
798
$12.26B
▼ 3
Financial Services
799
$12.23B
▼ 27
Financial Services
800
$12.22B
▼ 67
Industrials
Ranked at close 983 companies
Rows on this page 100 ranks 701–800
Page 8 of 10
Basis Frozen October 2026 close
Market caps are the share price multiplied by shares outstanding, and a company trading under several share classes appears once. This ranking is informational and is not investment advice.

What changed in this ranking

AI-generated summary by Rhea-AI, written on . How Rhea-AI works.

At the close of October 2026, the top of the market-capitalization ranking changed hands. At the top, Apple Inc. (AAPL) overtook Nvidia Corp (NVDA). AAPL rose to No. 1. NVDA fell to No. 2. Microsoft Corp (MSFT) overtook Alphabet Inc. (GOOGL), while Tesla, Inc. (TSLA) passed Meta Platforms, Inc. (META) and Broadcom Inc. (AVGO) within the top 10.

Computer Storage Devices saw a shared decline, with Sandisk Corporation (SNDK), Seagate Technology Holdings plc (STX) and Western Digital Corp. (WDC) all falling. SNDK fell 37 places to rank 93.

Among the upward moves, ConocoPhillips (COP) and Accenture plc (ACN) each rose 24 places. COP rose to rank 80. AstraZeneca PLC (AZN) also rose 15 places to rank 44.

Compared with the close of September 2026, the close of October 2026 added Vylor Inc. (VYLR), which made its debut at rank 327. At the lower boundary, Qiagen N.V. (QGEN) and OGE Energy Corp. (OGE) appeared after being absent from the previous ranking; these were universe-boundary appearances rather than debuts. Meanwhile, Warner Bros. Discovery (WBD) exited after ranking No. 211 at the close of September 2026.

Compares this month's close with the previous month's close. A company that shifted only because another entered or left the ranking above it is not counted as having moved.