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Russell 1000
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Top Russell 1000 Companies by Market Cap and Stocks in 2026

This is the list of the largest public listed companies in the Russell 1000 index ranked by market capitalization, together with links to their reference stock, sector and industry.

Russell 1000 Chart & Analysis

Top Russell 1000 Companies Ranking by Market Cap as of Jan. 1, 2026

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Ranking Company Stock Market Cap (USD) Country Sector Industry
331 CoStar Group, Inc. CSGP $27.84 B United States US Real Estate US Real Estate Services
332 Ulta Beauty, Inc. ULTA $27.80 B United States US Consumer Discretionary US Specialty Retail
333 First Citizens BancShares, Inc. FCNCA $27.64 B United States US Financials US Banks—Regional
334 Huntington Bancshares Incorporated HBAN $27.53 B United States US Financials US Banks—Regional
335 Atmos Energy Corporation ATO $27.39 B United States US Utilities US Utilities—Regulated Gas
336 Lumentum Holdings Inc. LITE $27.38 B United States US Technology US Communication Equipment
337 Ameren Corporation AEE $27.28 B United States US Utilities US Utilities—Regulated Electric
338 DTE Energy Company DTE $27.07 B United States US Utilities US Utilities—Regulated Electric
339 Markel Corporation MKL $26.95 B United States US Financials US Insurance—Property & Casualty
340 Tractor Supply Company TSCO $26.86 B United States US Consumer Discretionary US Specialty Retail
341 Dover Corporation DOV $26.85 B United States US Industrials US Specialty Industrial Machinery
342 Tapestry, Inc. TPR $26.72 B United States US Consumer Discretionary US Luxury Goods
343 Horizon Therapeutics Public Limited Company HZNP $26.63 B

(Jan. 1, 2025)

 Ireland Irish Healthcare Irish Drug Manufacturers—General
344 Kansas City Southern KSU $26.59 B

(Dec. 1, 2021)

 United States US Industrials US Railroads
345 Northern Trust Corporation NTRS $26.56 B United States US Financials US Asset Management
346 Brown & Brown, Inc. BRO $26.50 B United States US Financials US Insurance Brokers
347 Equifax Inc. EFX $26.37 B United States US Industrials US Consulting Services
348 W. R. Berkley Corporation WRB $26.36 B United States US Financials US Insurance—Property & Casualty
349 FirstEnergy Corp. FE $26.15 B United States US Utilities US Utilities—Diversified
350 DexCom, Inc. DXCM $26.09 B United States US Healthcare US Diagnostics & Research
351 Biogen Inc. BIIB $26.09 B United States US Healthcare US Drug Manufacturers—General
352 Dollar Tree, Inc. DLTR $26.05 B United States US Consumer Staples US Discount Stores
353 PPL Corporation PPL $25.97 B United States US Utilities US Utilities—Regulated Electric
354 Cboe Global Markets, Inc. CBOE $25.96 B United States US Financials US Financial Data & Stock Exchanges
355 Steel Dynamics, Inc. STLD $25.92 B United States US Basic Materials US Steel
356 Omnicom Group Inc. OMC $25.81 B United States US Communication Services US Advertising Agencies
357 Lennar Corporation LEN $25.74 B United States US Consumer Discretionary US Residential Construction
358 Lennar Corporation LEN.B $25.74 B United States US Consumer Discretionary US Residential Construction
359 Broadridge Financial Solutions, Inc. BR $25.73 B United States US Technology US Information Technology Services
360 AvalonBay Communities, Inc. AVB $25.70 B United States US Real Estate US REIT—Residential

Top Russell 1000 Companies Ranking by Market Cap as of Jan. 1, 2026

331. CoStar Group, Inc.

Company Profile: CoStar Group, Inc.
Market Cap (USD): $27.84 B
Stock: CSGP wb_incandescent
Country: United States
Sector: US Real Estate
Industry: US Real Estate Services

332. Ulta Beauty, Inc.

Company Profile: Ulta Beauty, Inc.
Market Cap (USD): $27.80 B
Stock: ULTA wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Specialty Retail

333. First Citizens BancShares, Inc.

Company Profile: First Citizens BancShares, Inc.
Market Cap (USD): $27.64 B
Stock: FCNCA wb_incandescent
Country: United States
Sector: US Financials
Industry: US Banks—Regional

334. Huntington Bancshares Incorporated

Company Profile: Huntington Bancshares Incorporated
Market Cap (USD): $27.53 B
Stock: HBAN wb_incandescent
Country: United States
Sector: US Financials
Industry: US Banks—Regional

335. Atmos Energy Corporation

Company Profile: Atmos Energy Corporation
Market Cap (USD): $27.39 B
Stock: ATO wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Gas

336. Lumentum Holdings Inc.

Company Profile: Lumentum Holdings Inc.
Market Cap (USD): $27.38 B
Stock: LITE wb_incandescent
Country: United States
Sector: US Technology
Industry: US Communication Equipment

337. Ameren Corporation

Company Profile: Ameren Corporation
Market Cap (USD): $27.28 B
Stock: AEE wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

338. DTE Energy Company

Company Profile: DTE Energy Company
Market Cap (USD): $27.07 B
Stock: DTE wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

339. Markel Corporation

Company Profile: Markel Corporation
Market Cap (USD): $26.95 B
Stock: MKL wb_incandescent
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

340. Tractor Supply Company

Company Profile: Tractor Supply Company
Market Cap (USD): $26.86 B
Stock: TSCO wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Specialty Retail

341. Dover Corporation

Company Profile: Dover Corporation
Market Cap (USD): $26.85 B
Stock: DOV wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Specialty Industrial Machinery

342. Tapestry, Inc.

Company Profile: Tapestry, Inc.
Market Cap (USD): $26.72 B
Stock: TPR wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Luxury Goods

343. Horizon Therapeutics Public Limited Company

Company Profile: Horizon Therapeutics Public Limited Company
Market Cap (USD): $26.63 B (Jan. 1, 2025)
Stock: HZNP wb_incandescent
Country: Ireland
Sector: Irish Healthcare
Industry: Irish Drug Manufacturers—General

344. Kansas City Southern

Company Profile: Kansas City Southern
Market Cap (USD): $26.59 B (Dec. 1, 2021)
Stock: KSU wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Railroads

345. Northern Trust Corporation

Company Profile: Northern Trust Corporation
Market Cap (USD): $26.56 B
Stock: NTRS wb_incandescent
Country: United States
Sector: US Financials
Industry: US Asset Management

346. Brown & Brown, Inc.

Company Profile: Brown & Brown, Inc.
Market Cap (USD): $26.50 B
Stock: BRO wb_incandescent
Country: United States
Sector: US Financials
Industry: US Insurance Brokers

347. Equifax Inc.

Company Profile: Equifax Inc.
Market Cap (USD): $26.37 B
Stock: EFX wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Consulting Services

348. W. R. Berkley Corporation

Company Profile: W. R. Berkley Corporation
Market Cap (USD): $26.36 B
Stock: WRB wb_incandescent
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

349. 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

350. 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

351. 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

352. 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

353. 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

354. 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

355. 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

356. 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

357. 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

358. 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

359. 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

360. 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

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