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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
481 Fabrinet FN $17.18 B Cayman Islands Cayman Islands Technology Cayman Islands Electronic Components
482 Weyerhaeuser Company WY $17.17 B United States US Real Estate US REIT—Specialty
483 DuPont de Nemours, Inc. DD $17.12 B United States US Basic Materials US Chemicals
484 Aptiv PLC APTV $17.08 B Ireland Irish Consumer Discretionary Irish Auto Parts
485 Invitation Homes Inc. INVH $16.99 B United States US Real Estate US REIT—Residential
486 Albemarle Corporation ALB $16.94 B United States US Basic Materials US Specialty Chemicals
487 Carpenter Technology Corporation CRS $16.87 B United States US Industrials US Metal Fabrication
488 Alliant Energy Corporation LNT $16.86 B United States US Utilities US Utilities—Regulated Electric
489 Evergy, Inc. EVRG $16.82 B United States US Utilities US Utilities—Regulated Electric
490 US Foods Holding Corp. USFD $16.81 B United States US Consumer Staples US Food Distribution
491 Mid-America Apartment Communities, Inc. MAA $16.70 B United States US Real Estate US REIT—Residential
492 Hologic, Inc. HOLX $16.63 B United States US Healthcare US Medical Instruments & Supplies
493 BWX Technologies, Inc. BWXT $16.63 B United States US Industrials US Aerospace & Defense
494 Zillow Group, Inc. ZG $16.46 B United States US Communication Services US Internet Content & Information
495 Zillow Group, Inc. Z $16.46 B United States US Communication Services US Internet Content & Information
496 Allegheny Technologies Incorporated ATI $16.43 B United States US Industrials US Metal Fabrication
497 GoDaddy Inc. GDDY $16.41 B United States US Technology US Software—Infrastructure
498 XPO Logistics, Inc. XPO $16.34 B United States US Industrials US Integrated Freight & Logistics
499 TransUnion TRU $16.23 B United States US Industrials US Consulting Services
500 APi Group Corporation APG $16.21 B United States US Industrials US Engineering & Construction
501 Aspen Technology, Inc. AZPN $16.18 B

(Jan. 1, 2025)

 United States US Technology US Software—Application
502 The Cooper Companies, Inc. COO $16.13 B United States US Healthcare US Medical Instruments & Supplies
503 Marathon Oil Corporation MRO $16.10 B

(July 1, 2024)

 United States US Energy US Oil & Gas E&P
504 Medpace Holdings, Inc. MEDP $16.08 B United States US Healthcare US Diagnostics & Research
505 Genesis Healthcare Inc. GEN $16.08 B United States US Healthcare US Medical Care Facilities
506 Jacobs Engineering Group Inc. J $16.07 B United States US Industrials US Engineering & Construction
507 Roku, Inc. ROKU $16.06 B United States US Communication Services US Entertainment
508 Guidewire Software, Inc. GWRE $15.95 B United States US Technology US Software—Application
509 Jones Lang LaSalle Incorporated JLL $15.91 B United States US Real Estate US Real Estate Services
510 East West Bancorp, Inc. EWBC $15.86 B United States US Financials US Banks—Diversified

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

481. Fabrinet

Company Profile: Fabrinet
Market Cap (USD): $17.18 B
Stock: FN wb_incandescent
Country: Cayman Islands
Sector: Cayman Islands Technology
Industry: Cayman Islands Electronic Components

482. Weyerhaeuser Company

Company Profile: Weyerhaeuser Company
Market Cap (USD): $17.17 B
Stock: WY wb_incandescent
Country: United States
Sector: US Real Estate
Industry: US REIT—Specialty

483. DuPont de Nemours, Inc.

Company Profile: DuPont de Nemours, Inc.
Market Cap (USD): $17.12 B
Stock: DD wb_incandescent
Country: United States
Sector: US Basic Materials
Industry: US Chemicals

484. Aptiv PLC

Company Profile: Aptiv PLC
Market Cap (USD): $17.08 B
Stock: APTV wb_incandescent
Country: Ireland
Sector: Irish Consumer Discretionary
Industry: Irish Auto Parts

485. Invitation Homes Inc.

Company Profile: Invitation Homes Inc.
Market Cap (USD): $16.99 B
Stock: INVH wb_incandescent
Country: United States
Sector: US Real Estate
Industry: US REIT—Residential

486. Albemarle Corporation

Company Profile: Albemarle Corporation
Market Cap (USD): $16.94 B
Stock: ALB wb_incandescent
Country: United States
Sector: US Basic Materials
Industry: US Specialty Chemicals

487. Carpenter Technology Corporation

Company Profile: Carpenter Technology Corporation
Market Cap (USD): $16.87 B
Stock: CRS wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Metal Fabrication

488. Alliant Energy Corporation

Company Profile: Alliant Energy Corporation
Market Cap (USD): $16.86 B
Stock: LNT wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

489. Evergy, Inc.

Company Profile: Evergy, Inc.
Market Cap (USD): $16.82 B
Stock: EVRG wb_incandescent
Country: United States
Sector: US Utilities
Industry: US Utilities—Regulated Electric

490. US Foods Holding Corp.

Company Profile: US Foods Holding Corp.
Market Cap (USD): $16.81 B
Stock: USFD wb_incandescent
Country: United States
Sector: US Consumer Staples
Industry: US Food Distribution

491. Mid-America Apartment Communities, Inc.

Company Profile: Mid-America Apartment Communities, Inc.
Market Cap (USD): $16.70 B
Stock: MAA wb_incandescent
Country: United States
Sector: US Real Estate
Industry: US REIT—Residential

492. Hologic, Inc.

Company Profile: Hologic, Inc.
Market Cap (USD): $16.63 B
Stock: HOLX wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Medical Instruments & Supplies

493. BWX Technologies, Inc.

Company Profile: BWX Technologies, Inc.
Market Cap (USD): $16.63 B
Stock: BWXT wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

494. Zillow Group, Inc.

Company Profile: Zillow Group, Inc.
Market Cap (USD): $16.46 B
Stock: ZG wb_incandescent
Country: United States
Sector: US Communication Services
Industry: US Internet Content & Information

495. Zillow Group, Inc.

Company Profile: Zillow Group, Inc.
Market Cap (USD): $16.46 B
Stock: Z wb_incandescent
Country: United States
Sector: US Communication Services
Industry: US Internet Content & Information

496. Allegheny Technologies Incorporated

Company Profile: Allegheny Technologies Incorporated
Market Cap (USD): $16.43 B
Stock: ATI wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Metal Fabrication

497. GoDaddy Inc.

Company Profile: GoDaddy Inc.
Market Cap (USD): $16.41 B
Stock: GDDY wb_incandescent
Country: United States
Sector: US Technology
Industry: US Software—Infrastructure

498. XPO Logistics, Inc.

Company Profile: XPO Logistics, Inc.
Market Cap (USD): $16.34 B
Stock: XPO wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Integrated Freight & Logistics

499. TransUnion

Company Profile: TransUnion
Market Cap (USD): $16.23 B
Stock: TRU wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Consulting Services

500. APi Group Corporation

Company Profile: APi Group Corporation
Market Cap (USD): $16.21 B
Stock: APG wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

501. Aspen Technology, Inc.

Company Profile: Aspen Technology, Inc.
Market Cap (USD): $16.18 B (Jan. 1, 2025)
Stock: AZPN wb_incandescent
Country: United States
Sector: US Technology
Industry: US Software—Application

502. The Cooper Companies, Inc.

Company Profile: The Cooper Companies, Inc.
Market Cap (USD): $16.13 B
Stock: COO wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Medical Instruments & Supplies

503. Marathon Oil Corporation

Company Profile: Marathon Oil Corporation
Market Cap (USD): $16.10 B (July 1, 2024)
Stock: MRO wb_incandescent
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

504. Medpace Holdings, Inc.

Company Profile: Medpace Holdings, Inc.
Market Cap (USD): $16.08 B
Stock: MEDP wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

505. Genesis Healthcare Inc.

Company Profile: Genesis Healthcare Inc.
Market Cap (USD): $16.08 B
Stock: GEN wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Medical Care Facilities

506. Jacobs Engineering Group Inc.

Company Profile: Jacobs Engineering Group Inc.
Market Cap (USD): $16.07 B
Stock: J wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Engineering & Construction

507. Roku, Inc.

Company Profile: Roku, Inc.
Market Cap (USD): $16.06 B
Stock: ROKU wb_incandescent
Country: United States
Sector: US Communication Services
Industry: US Entertainment

508. Guidewire Software, Inc.

Company Profile: Guidewire Software, Inc.
Market Cap (USD): $15.95 B
Stock: GWRE wb_incandescent
Country: United States
Sector: US Technology
Industry: US Software—Application

509. Jones Lang LaSalle Incorporated

Company Profile: Jones Lang LaSalle Incorporated
Market Cap (USD): $15.91 B
Stock: JLL wb_incandescent
Country: United States
Sector: US Real Estate
Industry: US Real Estate Services

510. East West Bancorp, Inc.

Company Profile: East West Bancorp, Inc.
Market Cap (USD): $15.86 B
Stock: EWBC wb_incandescent
Country: United States
Sector: US Financials
Industry: US Banks—Diversified

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