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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
631 Align Technology, Inc. ALGN $11.31 B United States US Healthcare US Medical Devices
632 MKS Instruments, Inc. MKSI $11.31 B United States US Technology US Scientific & Technical Instruments
633 Coeur Mining, Inc. CDE $11.27 B United States US Basic Materials US Gold
634 Healthpeak Properties, Inc. DOC $11.26 B United States US Real Estate US REIT—Healthcare Facilities
635 American Financial Group, Inc. AFG $11.24 B United States US Financials US Insurance—Property & Casualty
636 Globe Life Inc. GL $11.21 B United States US Financials US Insurance—Life
637 Elanco Animal Health Incorporated ELAN $11.19 B United States US Healthcare US Drug Manufacturers—Specialty & Generic
638 EPAM Systems, Inc. EPAM $11.17 B United States US Technology US Information Technology Services
639 Essential Utilities, Inc. WTRG $10.94 B United States US Utilities US Utilities—Regulated Water
640 Procore Technologies, Inc. PCOR $10.89 B United States US Technology US Software—Application
641 Avidity Biosciences, Inc. RNA $10.86 B United States US Healthcare US Biotechnology
642 Ceridian HCM Holding Inc. CDAY $10.85 B United States US Technology US Software—Application
643 Service Corporation International SCI $10.82 B United States US Consumer Discretionary US Personal Services
644 Crane Co. CR $10.80 B United States US Industrials US Specialty Industrial Machinery
645 Chesapeake Energy Corp CHK $10.79 B

(July 1, 2024)

 United States US Energy US Oil & Gas E&P
646 Chesapeake Energy Corp CHK $10.79 B

(July 1, 2024)

 United States US Energy US Oil & Gas E&P
647 FactSet Research Systems Inc. FDS $10.77 B United States US Financials US Financial Data & Stock Exchanges
648 Lattice Semiconductor Corporation LSCC $10.77 B United States US Technology US Semiconductors
649 Encompass Health Corporation EHC $10.71 B United States US Healthcare US Medical Care Facilities
650 Old Republic International Corporation ORI $10.71 B United States US Financials US Insurance—Diversified
651 Rambus Inc. RMBS $10.69 B United States US Technology US Semiconductors
652 Five Below, Inc. FIVE $10.67 B United States US Consumer Discretionary US Specialty Retail
653 Amkor Technology, Inc. AMKR $10.61 B United States US Technology US Semiconductors
654 Webster Financial Corporation WBS $10.61 B United States US Financials US Banks—Regional
655 Antero Resources Corporation AR $10.57 B United States US Energy US Oil & Gas E&P
656 The AES Corporation AES $10.55 B United States US Utilities US Utilities—Diversified
657 Pinnacle West Capital Corporation PNW $10.55 B United States US Utilities US Utilities—Regulated Electric
658 Jazz Pharmaceuticals plc JAZZ $10.52 B Ireland Irish Healthcare Irish Biotechnology
659 Booz Allen Hamilton Holding Corporation BAH $10.46 B United States US Industrials US Consulting Services
660 Penske Automotive Group, Inc. PAG $10.45 B United States US Consumer Discretionary US Auto & Truck Dealerships

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

631. Align Technology, Inc.

Company Profile: Align Technology, Inc.
Market Cap (USD): $11.31 B
Stock: ALGN wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Medical Devices

632. MKS Instruments, Inc.

Company Profile: MKS Instruments, Inc.
Market Cap (USD): $11.31 B
Stock: MKSI wb_incandescent
Country: United States
Sector: US Technology
Industry: US Scientific & Technical Instruments

633. Coeur Mining, Inc.

Company Profile: Coeur Mining, Inc.
Market Cap (USD): $11.27 B
Stock: CDE wb_incandescent
Country: United States
Sector: US Basic Materials
Industry: US Gold

634. Healthpeak Properties, Inc.

Company Profile: Healthpeak Properties, Inc.
Market Cap (USD): $11.26 B
Stock: DOC wb_incandescent
Country: United States
Sector: US Real Estate
Industry: US REIT—Healthcare Facilities

635. American Financial Group, Inc.

Company Profile: American Financial Group, Inc.
Market Cap (USD): $11.24 B
Stock: AFG wb_incandescent
Country: United States
Sector: US Financials
Industry: US Insurance—Property & Casualty

636. Globe Life Inc.

Company Profile: Globe Life Inc.
Market Cap (USD): $11.21 B
Stock: GL wb_incandescent
Country: United States
Sector: US Financials
Industry: US Insurance—Life

637. Elanco Animal Health Incorporated

Company Profile: Elanco Animal Health Incorporated
Market Cap (USD): $11.19 B
Stock: ELAN wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Drug Manufacturers—Specialty & Generic

638. EPAM Systems, Inc.

Company Profile: EPAM Systems, Inc.
Market Cap (USD): $11.17 B
Stock: EPAM wb_incandescent
Country: United States
Sector: US Technology
Industry: US Information Technology Services

639. Essential Utilities, Inc.

Company Profile: Essential Utilities, Inc.
Market Cap (USD): $10.94 B
Stock: WTRG wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Water

640. Procore Technologies, Inc.

Company Profile: Procore Technologies, Inc.
Market Cap (USD): $10.89 B
Stock: PCOR wb_incandescent
Country: United States
Sector: US Technology
Industry: US Software—Application

641. Avidity Biosciences, Inc.

Company Profile: Avidity Biosciences, Inc.
Market Cap (USD): $10.86 B
Stock: RNA wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Biotechnology

642. Ceridian HCM Holding Inc.

Company Profile: Ceridian HCM Holding Inc.
Market Cap (USD): $10.85 B
Stock: CDAY wb_incandescent
Country: United States
Sector: US Technology
Industry: US Software—Application

643. Service Corporation International

Company Profile: Service Corporation International
Market Cap (USD): $10.82 B
Stock: SCI wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Personal Services

644. Crane Co.

Company Profile: Crane Co.
Market Cap (USD): $10.80 B
Stock: CR wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Specialty Industrial Machinery

645. Chesapeake Energy Corp

Company Profile: Chesapeake Energy Corp
Market Cap (USD): $10.79 B (July 1, 2024)
Stock: CHK wb_incandescent
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

646. Chesapeake Energy Corp

Company Profile: Chesapeake Energy Corp
Market Cap (USD): $10.79 B (July 1, 2024)
Stock: CHK wb_incandescent
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

647. FactSet Research Systems Inc.

Company Profile: FactSet Research Systems Inc.
Market Cap (USD): $10.77 B
Stock: FDS wb_incandescent
Country: United States
Sector: US Financials
Industry: US Financial Data & Stock Exchanges

648. Lattice Semiconductor Corporation

Company Profile: Lattice Semiconductor Corporation
Market Cap (USD): $10.77 B
Stock: LSCC wb_incandescent
Country: United States
Sector: US Technology
Industry: US Semiconductors

649. Encompass Health Corporation

Company Profile: Encompass Health Corporation
Market Cap (USD): $10.71 B
Stock: EHC wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Medical Care Facilities

650. Old Republic International Corporation

Company Profile: Old Republic International Corporation
Market Cap (USD): $10.71 B
Stock: ORI wb_incandescent
Country: United States
Sector: US Financials
Industry: US Insurance—Diversified

651. Rambus Inc.

Company Profile: Rambus Inc.
Market Cap (USD): $10.69 B
Stock: RMBS wb_incandescent
Country: United States
Sector: US Technology
Industry: US Semiconductors

652. Five Below, Inc.

Company Profile: Five Below, Inc.
Market Cap (USD): $10.67 B
Stock: FIVE wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Specialty Retail

653. Amkor Technology, Inc.

Company Profile: Amkor Technology, Inc.
Market Cap (USD): $10.61 B
Stock: AMKR wb_incandescent
Country: United States
Sector: US Technology
Industry: US Semiconductors

654. Webster Financial Corporation

Company Profile: Webster Financial Corporation
Market Cap (USD): $10.61 B
Stock: WBS wb_incandescent
Country: United States
Sector: US Financials
Industry: US Banks—Regional

655. Antero Resources Corporation

Company Profile: Antero Resources Corporation
Market Cap (USD): $10.57 B
Stock: AR wb_incandescent
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

656. The AES Corporation

Company Profile: The AES Corporation
Market Cap (USD): $10.55 B
Stock: AES wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Diversified

657. Pinnacle West Capital Corporation

Company Profile: Pinnacle West Capital Corporation
Market Cap (USD): $10.55 B
Stock: PNW wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

658. Jazz Pharmaceuticals plc

Company Profile: Jazz Pharmaceuticals plc
Market Cap (USD): $10.52 B
Stock: JAZZ wb_incandescent
Country: Ireland
Sector: Irish Healthcare
Industry: Irish Biotechnology

659. Booz Allen Hamilton Holding Corporation

Company Profile: Booz Allen Hamilton Holding Corporation
Market Cap (USD): $10.46 B
Stock: BAH wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Consulting Services

660. Penske Automotive Group, Inc.

Company Profile: Penske Automotive Group, Inc.
Market Cap (USD): $10.45 B
Stock: PAG wb_incandescent
Country: United States
Sector: US Consumer Discretionary
Industry: US Auto & Truck Dealerships

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