California Top Companies List by Market Cap as of August 2026

California Top Companies List by Market Cap as on August 2026. Biggest California Companies List by Market Cap in August 2026. California Largest Companies in August 2026.

California Top Companies by Market Cap in 2026
California Top Companies by Market Cap in 2026, California Largest Companies in 2026, Biggest California Companies by Market Cap.

  1. ImmunityBio Inc.

    World Rank (Aug-2026)
    2,596
    Market Cap (Aug-2026)
    8.023 Billion USD
    World Rank (Jan-05-2024)
    4,154
    Market Cap (Jan-05-2024)
    3.225 Billion USD
    World Rank (Jul-30-2023)
    8,650
    Market Cap (Jul-30-2023)
    1.016 Billion USD
    World Rank (Dec-25-2022)
    4,890
    Market Cap (Dec-25-2022)
    2.342 Billion USD
    World Rank (Jan-07-2022)
    5,471
    Market Cap (Jan-07-2022)
    2.50 Billion USD
    Annual Revenue in USD
    113 Million USD
    Annual Operating Income in USD
    -256 Million USD
    Annual Net Income in USD
    -351 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Company Profile
    ImmunityBio is a Late Clinical Stage Immunotherapy company for treating cancer and infectious diseases. The headquarters is in USA.
    Company Website
    IMMUNITYBIO, INC.

  2. Simpson Manufacturing

    World Rank (Aug-2026)
    2,618
    Market Cap (Aug-2026)
    7.942 Billion USD
    World Rank (Jan-05-2024)
    2,012
    Market Cap (Jan-05-2024)
    7.969 Billion USD
    World Rank (Jul-30-2023)
    2,297
    Market Cap (Jul-30-2023)
    6.745 Billion USD
    World Rank (Dec-25-2022)
    3,440
    Market Cap (Dec-25-2022)
    3.798 Billion USD
    World Rank (Jan-07-2022)
    2,960
    Market Cap (Jan-07-2022)
    5.71 Billion USD
    Annual Revenue in USD
    2,333 Million USD
    Annual Operating Income in USD
    458 Million USD
    Annual Net Income in USD
    345 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    Simpson Manufacturing Company is a Manufacture and Marketing of Building and Construction equipment company. It design, engineer and manufacture structural connectors, anchors and other products for new construction, retrofitting and do it yourself markets. The headquarters is in USA.

    Company Website
    SIMPSON MANUFACTURING COMPANY INC

  3. Stamps.com

    World Rank (Aug-2026)
    2,619
    World Rank (Jan-05-2024)
    2,619
    World Rank (Jul-30-2023)
    2,619
    World Rank (Dec-25-2022)
    2,619
    World Rank (Jan-07-2022)
    2,619
    Market Cap (Jan-07-2022)
    6.60 Billion USD
    Annual Revenue in USD
    758 Million USD
    Annual Operating Income in USD
    198 Million USD
    Annual Net Income in USD
    179 Million USD
    Annual Results for Period Ending
    For year ending December-2020
    Headquarters Country
    USA
    Company Profile

    Stamps.com is a Provider of Internet Based Postage Services company. The headquarters is in USA.

    Thomas Bravo acquired Stamps.com in 2021 for 6.6 Billion USD in 2021.

    Company Website
    Stamps.com

  4. SentinelOne

    World Rank (Aug-2026)
    2,622
    Market Cap (Aug-2026)
    7.922 Billion USD
    World Rank (Jan-05-2024)
    2,207
    Market Cap (Jan-05-2024)
    7.111 Billion USD
    World Rank (Jul-30-2023)
    3,232
    Market Cap (Jul-30-2023)
    4.521 Billion USD
    World Rank (Dec-25-2022)
    3,467
    Market Cap (Dec-25-2022)
    3.751 Billion USD
    World Rank (Jan-07-2022)
    1,629
    Market Cap (Jan-07-2022)
    11.83 Billion USD
    Annual Revenue in USD
    1,001 Million USD
    Annual Operating Income in USD
    -321 Million USD
    Annual Net Income in USD
    -451 Million USD
    Annual Results for Period Ending
    For year ending January-2026
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    SentinelOne is CyberSecurity solutions providing company. Headquarters is in USA.

    The SentinelOne platform applies AI and machine learning to defend known and unknown threats.

    Company Website
    SENTINELONE
    Wikipedia
    Wikipedia

  5. Eidos Therapeutics

    World Rank (Aug-2026)
    2,624
    World Rank (Jan-05-2024)
    2,624
    World Rank (Jul-30-2023)
    2,624
    World Rank (Dec-25-2022)
    2,624
    World Rank (Jan-07-2022)
    2,624
    Annual Revenue in USD
    27 Million USD
    Annual Operating Income in USD
    -40 Million USD
    Annual Net Income in USD
    -38 Million USD
    Annual Results for Period Ending
    For year ending December-2019
    Headquarters Country
    USA
    Company Profile

    Eidos Therapeutics is a Biopharmaceutical company with headquarters is in California, USA.

    Eidos Therapeutics was acquired by BridgeBio Pharma Inc in 2021.

     

    Company Website
    EIDOS THERAPEUTICS INC

  6. Twist Bioscience Corporation

    World Rank (Aug-2026)
    2,636
    Market Cap (Aug-2026)
    7.861 Billion USD
    World Rank (Jan-05-2024)
    5,792
    Market Cap (Jan-05-2024)
    1.936 Billion USD
    World Rank (Jul-30-2023)
    7,096
    Market Cap (Jul-30-2023)
    1.428 Billion USD
    World Rank (Dec-25-2022)
    7,146
    Market Cap (Dec-25-2022)
    1.312 Billion USD
    World Rank (Jan-07-2022)
    4,437
    Market Cap (Jan-07-2022)
    3.39 Billion USD
    Annual Revenue in USD
    377 Million USD
    Annual Operating Income in USD
    -136 Million USD
    Annual Net Income in USD
    -78 Million USD
    Annual Results for Period Ending
    For year ending September-2025
    Headquarters Country
    USA
    Yahoo @ MunichGermany
    Company Profile
    TWIST BIOSCIENCE CORPORATION is Biotechnology company and has created silicon-based DNA synthesis platform, that offers precision at a scale otherwise unavailable to their customers.
    • Innovative silicon-based DNA Synthesis Platform enables production of high-quality synthetic DNA faster and more affordable than ever before
    • Platform technology overcomes inefficiencies and powers cost-effective, rapid high-throughput synthesis.

    Headquarters is in USA.

    Company Website
    TWIST BIOSCIENCE CORPORATION
    Wikipedia
    Wikipedia

  7. Joby Aviation Inc.

    World Rank (Aug-2026)
    2,645
    Market Cap (Aug-2026)
    7.834 Billion USD
    World Rank (Jan-05-2024)
    3,358
    Market Cap (Jan-05-2024)
    4.213 Billion USD
    World Rank (Jul-30-2023)
    2,722
    Market Cap (Jul-30-2023)
    5.521 Billion USD
    World Rank (Dec-25-2022)
    5,315
    Market Cap (Dec-25-2022)
    2.083 Billion USD
    Annual Revenue in USD
    53 Million USD
    Annual Operating Income in USD
    -720 Million USD
    Annual Net Income in USD
    -930 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Company Profile
    Joby Aviation, Inc. is a integrated air mobility company, and it engages in building an electric vertical takeoff and landing aircraft optimized to deliver air transportation as a service. It intends to build an aerial ridesharing service. The company headquarters is in USA.
    Company Website
    JOBY AVIATION, INC.

  8. Anaplan

    World Rank (Aug-2026)
    2,650
    World Rank (Jan-05-2024)
    2,650
    World Rank (Jul-30-2023)
    2,650
    World Rank (Dec-25-2022)
    2,650
    World Rank (Jan-07-2022)
    2,650
    Market Cap (Jan-07-2022)
    6.53 Billion USD
    Annual Revenue in USD
    592 Million USD
    Annual Operating Income in USD
    -201 Million USD
    Annual Net Income in USD
    -204 Million USD
    Annual Results for Period Ending
    For year ending January-2022
    Headquarters Country
    USA
    Company Profile

    Anaplan is a Technology, software and IT company. It offering provides customers with added intelligence, choice, and scalability. They provide software solutions to enhance planning, decision making, predictive analysis, increase user experience, intelligence, planning and modeling, extensibility, enterprise scale, security and predictive insights. The headquarters is in USA.

    Company Website
    ANAPLAN
    Wikipedia
    Wikipedia

  9. Dropbox

    World Rank (Aug-2026)
    2,667
    Market Cap (Aug-2026)
    7.769 Billion USD
    World Rank (Jan-05-2024)
    1,682
    Market Cap (Jan-05-2024)
    9.791 Billion USD
    World Rank (Jul-30-2023)
    1,778
    Market Cap (Jul-30-2023)
    9.312 Billion USD
    World Rank (Dec-25-2022)
    1,814
    Market Cap (Dec-25-2022)
    8.154 Billion USD
    World Rank (Jan-07-2022)
    2,036
    Market Cap (Jan-07-2022)
    9.04 Billion USD
    Annual Revenue in USD
    2,521 Million USD
    Annual Operating Income in USD
    689 Million USD
    Annual Net Income in USD
    508 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ Nasdaq
    Company Profile

    DROPBOX is Hosting and cloud storage services providing company. Headquarters is in California, USA.

    Company Website
    DROPBOX INC
    Wikipedia
    Wikipedia

  10. MaxLinear Inc.

    World Rank (Aug-2026)
    2,685
    Market Cap (Aug-2026)
    7.694 Billion USD
    World Rank (Jan-05-2024)
    6,109
    Market Cap (Jan-05-2024)
    1.779 Billion USD
    World Rank (Jul-30-2023)
    5,758
    Market Cap (Jul-30-2023)
    1.990 Billion USD
    World Rank (Dec-25-2022)
    4,461
    Market Cap (Dec-25-2022)
    2.667 Billion USD
    World Rank (Jan-07-2022)
    3,282
    Market Cap (Jan-07-2022)
    5.01 Billion USD
    Annual Revenue in USD
    468 Million USD
    Annual Operating Income in USD
    -127 Million USD
    Annual Net Income in USD
    -137 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    MaxLinear is a Hardware company. It is a high performance broadband and networking semiconductors based on its highly integrated radio frequency analog technology, high performance optical networking technology and its pioneering MoCA(Montreal Cognitive Assessment) and Direct Broadcast Satellite ODU(Optical Channel Data Unit) single wire technology. The company technology is trusted by leading telephone, cable and satellite operators, set top box manufacturers, networking equipment providers and consumer technology providers. The headquarters is in USA.

    Company Website
    MAXLINEAR INC

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