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Largest Companies by Market Cap - Complete Rankings

Every US-listed company we track, ranked by market capitalization from largest to smallest. There is no size floor and over-the-counter listings are included, so the list runs much deeper than our performance and dividend rankings.

Data through October 23, 2026

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Rank
Symbol
Company Name
Market Cap
Price
Trend (7d)
Country
Sector
5901
XXII
22nd Century Group Inc.
$141.16K
$0.1977
▼ -41.0%
United States
Consumer Defensive
5902
SHFS
SHF Holdings, Inc.
$136.07K
$0.1324
▼ -8.0%
United States
Financial Services
5903
DKI
DarkIris Inc.
$129.45K
$2.16
▼ -18.9%
Hong Kong
Communication Services
5904
LGHL
Lion Group Holding Ltd.
$114.44K
$2.48
▼ -9.8%
Singapore
Financial Services
5905
CDT
CDT Equity Inc.
$100.27K
$0.1300
▼ -44.7%
United States
Healthcare
5906
PTPI
PETROS PHARM INC
$88.98K
$0.0021
▼ -22.2%
United States
Healthcare
5907
PRST
PRESTO AUTOMATION INC
$83.70K
$0.0000
—
United States
Technology
5908
FRGT
Freight Technologies, Inc.
$68.24K
$1.11
▼ -25.2%
Mexico
Technology
5909
SMFL
SMART FOR LIFE INC
$21.62K
$0.0001
0.0%
United States
Consumer Defensive
5910
FGL
Founder Group Limited
$20.73K
$1.81
▼ -40.9%
Malaysia
Industrials
5911
SING
SINGLEPOINT INC
$7.98K
$0.0000
▼ -100.0%
United States
Technology
Leader XXII $141.16K
Rows on this page 11 ranks 5901–5911
Page 60 of 60
Basis Price × shares outstanding
Above $1T 12 companies
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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.

Technology dominated the change, with 8 companies falling and 5 climbing. The current board is live, so this comparison uses the close of September 2026 as a month-end snapshot.

Seagate Technology Holdings plc (STX) fell 39 places from rank 71 to rank 110. Sandisk Corporation (SNDK) fell 30 places from rank 57 to rank 87. Western Digital Corp. (WDC) fell 28 places from rank 98 to rank 126. Other technology fallers included Arm Holdings (ARM), KLA Corporation (KLAC), Lam Research Corp (LRCX), Applied Materials, Inc. (AMAT) and Amphenol Corporation (APH). Outside technology, AT&T (T) fell 22 places from rank 93 to rank 115. Eaton Corporation plc (ETN) fell 18 places from rank 94 to rank 112.

ConocoPhillips (COP) climbed 20 places from rank 105 to rank 85. The technology climbers were SAP SE (SAP), ServiceNow, Inc. (NOW), International Business Machines Corporation (IBM), Shopify Inc. (SHOP) and Salesforce, Inc. (CRM). Other climbers included Home Depot, Inc. (HD), Shell (SHEL), McDonald's Corporation (MCD), Union Pacific Corp. (UNP) and Intuitive Surgical Inc. (ISRG).

Vylor Inc. (VYLR) debuted at rank 322. Skydance Corporation (SKYD) debuted at rank 395. At the lower universe boundary, Match Group, Inc (MTCH), QIAGEN N.V. (QGEN), DraftKings Inc. (DKNG) and Ryder System, Inc. (R) were added rather than making debuts. Warner Bros. Discovery, Inc. Series A (WBD) left after holding rank 212. Other departures included Vicor Corp (VICR), TTM Technologies Inc (TTMI), FormFactor Inc. (FORM) and Paramount Skydance Corporation (PSKY).

There were no order changes inside the top 10.

Compares today's ranking with the close of September 2026, the most recent month the archive holds. Positions here move with live prices, so a difference against that close is not a completed month's result.

Archived months

Archived months