Every new California filing, every dayBiopharmaceuticalsProtein engineeringActiveVerified
Xencor
John Desjarlais, Principal
Xencor is a biopharmaceutical company headquartered in Pasadena, California, that designs and develops protein-based medicines using its proprietary protein engineering platforms. The company's website describes it as 'Designing Proteins. Delivering Medicines.' and lists contact information matching the LLC filing address at 465 North Halstead Street. News articles confirm Xencor operates a 30,600-square-foot protein engineering laboratory at 426 N. Halstead Ave. and a 148,000-square-foot laboratory in Pasadena, with officers including Bassil Dahiyat, John Desjarlais, and Candice Anderson.
Filed June 17, 2025 · Pasadena, CA
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See how it worksAbout Xencor
Xencor is a biopharmaceuticals business (Corp) registered on June 17, 2025 with the California Division of Corporations. The business is located in Pasadena, California 91107. The filing lists John Desjarlais as Principal.
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Filing Details
Entity NameXencor, Inc.
Entity TypeCorp
Entity Number3240905
Filing DateJune 17, 2025
Principal AddressLocked
City / State / ZipPasadena, CA 91107
TimezonePacific (PT)
EIN on FileNo
Verified Business Profile
SubcategoryProtein engineering
Contact Information
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Verified Website Profile
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Officers / Authorized Persons
J
C
B
B
Document Timeline
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Frequently Asked Questions
When was Xencor registered?
Xencor was registered as Corp on June 17, 2025 in California.
Where is Xencor located?
Xencor is based in Pasadena, CA, 91107.
What type of business is Xencor?
Xencor is classified as a biopharmaceuticals business (protein engineering).
Does Xencor have an EIN on file?
No EIN was found on file for Xencor at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
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