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Russell 3000
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Top Russell 3000 Companies by Market Cap and Stocks in 2026

This is the list of the largest public listed companies in the Russell 3000 index ranked by market capitalization, together with links to their reference stock, sector and industry.

Russell 3000 Chart & Analysis

Top Russell 3000 Companies Ranking by Market Cap as of Jan. 1, 2026

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Ranking Company Stock Market Cap (USD) Country Sector Industry
361 FirstEnergy Corp. FE $26.15 B United States US Utilities US Utilities—Diversified
362 DexCom, Inc. DXCM $26.09 B United States US Healthcare US Diagnostics & Research
363 Biogen Inc. BIIB $26.09 B United States US Healthcare US Drug Manufacturers—General
364 Dollar Tree, Inc. DLTR $26.05 B United States US Consumer Staples US Discount Stores
365 PPL Corporation PPL $25.97 B United States US Utilities US Utilities—Regulated Electric
366 Cboe Global Markets, Inc. CBOE $25.96 B United States US Financials US Financial Data & Stock Exchanges
367 Steel Dynamics, Inc. STLD $25.92 B United States US Basic Materials US Steel
368 Omnicom Group Inc. OMC $25.81 B United States US Communication Services US Advertising Agencies
369 Lennar Corporation LEN $25.74 B United States US Consumer Discretionary US Residential Construction
370 Lennar Corporation LEN.B $25.74 B United States US Consumer Discretionary US Residential Construction
371 Broadridge Financial Solutions, Inc. BR $25.73 B United States US Technology US Information Technology Services
372 AvalonBay Communities, Inc. AVB $25.70 B United States US Real Estate US REIT—Residential
373 Jabil Inc. JBL $25.68 B United States US Technology US Electronic Components
374 Splunk Inc. SPLK $25.65 B

(Jan. 1, 2024)

 United States US Technology US Software—Infrastructure
375 Citizens Financial Group, Inc. CFG $25.62 B United States US Financials US Banks—Regional
376 Eversource Energy ES $25.54 B United States US Utilities US Utilities—Regulated Electric
377 American Water Works Company, Inc. AWK $25.44 B United States US Utilities US Utilities—Regulated Water
378 CenterPoint Energy, Inc. CNP $25.29 B United States US Utilities US Utilities—Regulated Gas
379 Cincinnati Financial Corporation CINF $25.25 B United States US Financials US Insurance—Property & Casualty
380 Halliburton Company HAL $25.24 B United States US Energy US Oil & Gas Equipment & Services
381 Lululemon Athletica Inc. LULU $25.00 B Canada Canadian Consumer Discretionary Canadian Apparel Retail
382 Zoom Video Communications, Inc. ZM $24.94 B United States US Communication Services US Telecom Services
383 STERIS plc STE $24.63 B Ireland Irish Healthcare Irish Medical Instruments & Supplies
384 Hubbell Incorporated HUBB $24.61 B United States US Industrials US Electrical Equipment & Parts
385 Iron Mountain Incorporated IRM $24.60 B United States US Real Estate US REIT—Specialty
386 Regions Financial Corporation RF $24.59 B United States US Financials US Banks—Regional
387 Constellation Brands, Inc. STZ $24.57 B United States US Consumer Staples US Beverages—Wineries & Distilleries
388 Formula One Group FWONK $24.52 B United States US Communication Services US Broadcasting
389 Formula One Group FWONA $24.52 B United States US Communication Services US Broadcasting
390 Affirm Holdings, Inc. AFRM $24.44 B United States US Technology US Information Technology Services

Top Russell 3000 Companies Ranking by Market Cap as of Jan. 1, 2026

361. FirstEnergy Corp.

Company Profile: FirstEnergy Corp.
Market Cap (USD): $26.15 B
Stock: FE wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

362. DexCom, Inc.

Company Profile: DexCom, Inc.
Market Cap (USD): $26.09 B
Stock: DXCM wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

363. Biogen Inc.

Company Profile: Biogen Inc.
Market Cap (USD): $26.09 B
Stock: BIIB wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Drug Manufacturers—General

364. Dollar Tree, Inc.

Company Profile: Dollar Tree, Inc.
Market Cap (USD): $26.05 B
Stock: DLTR wb_incandescent
Country: United States
Sector: US Consumer Staples
Industry: US Discount Stores

365. PPL Corporation

Company Profile: PPL Corporation
Market Cap (USD): $25.97 B
Stock: PPL wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

366. Cboe Global Markets, Inc.

Company Profile: Cboe Global Markets, Inc.
Market Cap (USD): $25.96 B
Stock: CBOE wb_incandescent
Country: United States
Sector: US Financials
Industry: US Financial Data & Stock Exchanges

367. Steel Dynamics, Inc.

Company Profile: Steel Dynamics, Inc.
Market Cap (USD): $25.92 B
Stock: STLD wb_incandescent
Country: United States
Sector: US Basic Materials
Industry: US Steel

368. Omnicom Group Inc.

Company Profile: Omnicom Group Inc.
Market Cap (USD): $25.81 B
Stock: OMC wb_incandescent
Country: United States
Sector: US Communication Services
Industry: US Advertising Agencies

369. Lennar Corporation

Company Profile: Lennar Corporation
Market Cap (USD): $25.74 B
Stock: LEN wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Residential Construction

370. Lennar Corporation

Company Profile: Lennar Corporation
Market Cap (USD): $25.74 B
Stock: LEN.B wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Residential Construction

371. Broadridge Financial Solutions, Inc.

Company Profile: Broadridge Financial Solutions, Inc.
Market Cap (USD): $25.73 B
Stock: BR wb_incandescent
Country: United States
Sector: US Technology
Industry: US Information Technology Services

372. AvalonBay Communities, Inc.

Company Profile: AvalonBay Communities, Inc.
Market Cap (USD): $25.70 B
Stock: AVB wb_incandescent
Country: United States
Sector: US Real Estate
Industry: US REIT—Residential

373. Jabil Inc.

Company Profile: Jabil Inc.
Market Cap (USD): $25.68 B
Stock: JBL wb_incandescent
Country: United States
Sector: US Technology
Industry: US Electronic Components

374. Splunk Inc.

Company Profile: Splunk Inc.
Market Cap (USD): $25.65 B (Jan. 1, 2024)
Stock: SPLK wb_incandescent
Country: United States
Sector: US Technology
Industry: US Software—Infrastructure

375. Citizens Financial Group, Inc.

Company Profile: Citizens Financial Group, Inc.
Market Cap (USD): $25.62 B
Stock: CFG wb_incandescent
Country: United States
Sector: US Financials
Industry: US Banks—Regional

376. Eversource Energy

Company Profile: Eversource Energy
Market Cap (USD): $25.54 B
Stock: ES wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

377. American Water Works Company, Inc.

Company Profile: American Water Works Company, Inc.
Market Cap (USD): $25.44 B
Stock: AWK wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Water

378. CenterPoint Energy, Inc.

Company Profile: CenterPoint Energy, Inc.
Market Cap (USD): $25.29 B
Stock: CNP wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

379. Cincinnati Financial Corporation

Company Profile: Cincinnati Financial Corporation
Market Cap (USD): $25.25 B
Stock: CINF wb_incandescent
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

380. Halliburton Company

Company Profile: Halliburton Company
Market Cap (USD): $25.24 B
Stock: HAL wb_incandescent
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

381. Lululemon Athletica Inc.

Company Profile: Lululemon Athletica Inc.
Market Cap (USD): $25.00 B
Stock: LULU wb_incandescent
Country: Canada
Sector: Canadian Consumer Discretionary
Industry: Canadian Apparel Retail

382. Zoom Video Communications, Inc.

Company Profile: Zoom Video Communications, Inc.
Market Cap (USD): $24.94 B
Stock: ZM wb_incandescent
Country: United States
Sector: US Communication Services
Industry: US Telecom Services

383. STERIS plc

Company Profile: STERIS plc
Market Cap (USD): $24.63 B
Stock: STE wb_incandescent
Country: Ireland
Sector: Irish Healthcare
Industry: Irish Medical Instruments & Supplies

384. Hubbell Incorporated

Company Profile: Hubbell Incorporated
Market Cap (USD): $24.61 B
Stock: HUBB wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Electrical Equipment & Parts

385. Iron Mountain Incorporated

Company Profile: Iron Mountain Incorporated
Market Cap (USD): $24.60 B
Stock: IRM wb_incandescent
Country: United States
Sector: US Real Estate
Industry: US REIT—Specialty

386. Regions Financial Corporation

Company Profile: Regions Financial Corporation
Market Cap (USD): $24.59 B
Stock: RF wb_incandescent
Country: United States
Sector: US Financials
Industry: US Banks—Regional

387. Constellation Brands, Inc.

Company Profile: Constellation Brands, Inc.
Market Cap (USD): $24.57 B
Stock: STZ wb_incandescent
Country: United States
Sector: US Consumer Staples
Industry: US Beverages—Wineries & Distilleries

388. Formula One Group

Company Profile: Formula One Group
Market Cap (USD): $24.52 B
Stock: FWONK wb_incandescent
Country: United States
Sector: US Communication Services
Industry: US Broadcasting

389. Formula One Group

Company Profile: Formula One Group
Market Cap (USD): $24.52 B
Stock: FWONA wb_incandescent
Country: United States
Sector: US Communication Services
Industry: US Broadcasting

390. Affirm Holdings, Inc.

Company Profile: Affirm Holdings, Inc.
Market Cap (USD): $24.44 B
Stock: AFRM wb_incandescent
Country: United States
Sector: US Technology
Industry: US Information Technology Services

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