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Top S&P 500 Companies by Market Cap and Stocks in 2026

This is the list of the largest public listed companies in the S&P 500 index ranked by market capitalization, together with links to their reference stock, sector and industry.

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Top S&P 500 Companies Ranking by Market Cap as of Jan. 1, 2026

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Ranking Company Stock Market Cap (USD) Country Sector Industry
301 CoStar Group, Inc. CSGP $27.84 B United States US Real Estate US Real Estate Services
302 Ulta Beauty, Inc. ULTA $27.80 B United States US Consumer Discretionary US Specialty Retail
303 Huntington Bancshares Incorporated HBAN $27.53 B United States US Financials US Banks—Regional
304 Atmos Energy Corporation ATO $27.39 B United States US Utilities US Utilities—Regulated Gas
305 Ameren Corporation AEE $27.28 B United States US Utilities US Utilities—Regulated Electric
306 DTE Energy Company DTE $27.07 B United States US Utilities US Utilities—Regulated Electric
307 Tractor Supply Company TSCO $26.86 B United States US Consumer Discretionary US Specialty Retail
308 Dover Corporation DOV $26.85 B United States US Industrials US Specialty Industrial Machinery
309 Tapestry, Inc. TPR $26.72 B United States US Consumer Discretionary US Luxury Goods
310 Northern Trust Corporation NTRS $26.56 B United States US Financials US Asset Management
311 Brown & Brown, Inc. BRO $26.50 B United States US Financials US Insurance Brokers
312 Equifax Inc. EFX $26.37 B United States US Industrials US Consulting Services
313 W. R. Berkley Corporation WRB $26.36 B United States US Financials US Insurance—Property & Casualty
314 FirstEnergy Corp. FE $26.15 B United States US Utilities US Utilities—Diversified
315 DexCom, Inc. DXCM $26.09 B United States US Healthcare US Diagnostics & Research
316 Biogen Inc. BIIB $26.09 B United States US Healthcare US Drug Manufacturers—General
317 Dollar Tree, Inc. DLTR $26.05 B United States US Consumer Staples US Discount Stores
318 PPL Corporation PPL $25.97 B United States US Utilities US Utilities—Regulated Electric
319 Cboe Global Markets, Inc. CBOE $25.96 B United States US Financials US Financial Data & Stock Exchanges
320 Steel Dynamics, Inc. STLD $25.92 B United States US Basic Materials US Steel
321 Omnicom Group Inc. OMC $25.81 B United States US Communication Services US Advertising Agencies
322 Lennar Corporation LEN $25.74 B United States US Consumer Discretionary US Residential Construction
323 Broadridge Financial Solutions, Inc. BR $25.73 B United States US Technology US Information Technology Services
324 AvalonBay Communities, Inc. AVB $25.70 B United States US Real Estate US REIT—Residential
325 Jabil Inc. JBL $25.68 B United States US Technology US Electronic Components
326 Citizens Financial Group, Inc. CFG $25.62 B United States US Financials US Banks—Regional
327 Eversource Energy ES $25.54 B United States US Utilities US Utilities—Regulated Electric
328 American Water Works Company, Inc. AWK $25.44 B United States US Utilities US Utilities—Regulated Water
329 CenterPoint Energy, Inc. CNP $25.29 B United States US Utilities US Utilities—Regulated Gas
330 Cincinnati Financial Corporation CINF $25.25 B United States US Financials US Insurance—Property & Casualty

Top S&P 500 Companies Ranking by Market Cap as of Jan. 1, 2026

301. 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

302. 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

303. 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

304. 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

305. 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

306. 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

307. 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

308. 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

309. 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

310. 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

311. 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

312. 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

313. 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

314. 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

315. 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

316. 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

317. 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

318. 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

319. 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

320. 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

321. 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

322. 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

323. 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

324. 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

325. 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

326. 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

327. 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

328. 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

329. 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

330. 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

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