California Top Companies List by Market Cap as of August 2026

Alpha and Omega Semiconductor is committed to excellence in design, manufacturing and responsiveness to customers through the continued development of new technologies, products and innovative solutions company. It portfolio of products targets high volume applications, including but not limited to portable computers, flat panel TVs, LED lighting, smart phones, battery packs, consumer and industrial motor controls and power supplies for TVs, computers, servers and telecommunications equipment. The headquarters is in USA.

Olema Pharmaceuticals is a Clinical Stage Biopharmaceutical company. It is committed to the discovery, development and commercialization of a transformational generation of targeted therapies for women’s cancers. The headquarters is in USA.

Design Therapeutics, INC is a biotechnology company focused on molecules are designed to selectively bind to genetic repeat sequences, modulate gene expression either by restoring or blocking transcription and restore cellular health. The headquarters is in USA.

PagerDuty is a Innovative Computer Software company. The headquarters is in USA.

Preferred Apartment Communities is a Real Estate Investment Trust company engaged primarily in the ownership and operation of high quality multifamily properties with select investments in grocery anchored shopping centers and class A office buildings. The Company owned 101 properties in 15 states, predominantly in the Southeast region of the United States and annual revenue is 381 million USD. The headquarters is in USA.

Amphastar Pharmaceuticals is a Specialty Pharmaceutical company that is engaged in the development, manufacture and marketing of generic and proprietary injectable, intranasal and inhalation products. It produce over 20 commercial products while continue to develop a portfolio of generic and branded products that target large markets with high technical barriers to entry. The headquarters is in USA.

Mitek Systems is a global leader in Mobile Capture and Digital Identity Verification Solutions company. As of March 31, 2021, the company had cash and investments of approximately 219.5 million USD and approximately 43.1 million shares of common stock outstanding. The company annual revenue is 84.6 million USD and 272 employees as on 2019. The headquarters is in USA.

Zogenix is a Pharmaceutical company. The headquarters is in USA.