Is Gilead Sciences, Inc. an American company?
Yes — Gilead Sciences, Inc. is an American company.
Gilead Sciences, Inc. is incorporated in Delaware, United States and headquartered in Foster City, California. Its legal-entity record reports no foreign parent — the company is independently American-owned.
The evidence
- Legal name
- GILEAD SCIENCES, INC.
- Incorporated in
- Delaware, United States
- Registered office
- WILMINGTON, the United States
- Headquarters
- Foster City, California, United States
- Ultimate owner
- None reported (independent)
- Stock listing
- NASDAQ: GILD on NASDAQ
- LEI
- 549300WTZWR07K8MNV44
- Founded
- 1987
Source: GLEIF, the global Legal Entity Identifier registry · checked Jul 26, 2026. A US headquarters or stock listing does not always mean US incorporation — this page reports what the legal-entity registry actually records.
Gilead Sciences, Inc.: origin questions
Is Gilead Sciences, Inc. an American company?
Yes — Gilead Sciences, Inc. is an American company. Gilead Sciences, Inc. is incorporated in Delaware, United States and headquartered in Foster City, California. Its legal-entity record reports no foreign parent — the company is independently American-owned.
Where is Gilead Sciences, Inc. incorporated?
Gilead Sciences, Inc. is legally incorporated in Delaware, United States, according to its GLEIF legal-entity record.
Who owns Gilead Sciences, Inc.?
Gilead Sciences, Inc. reports no parent company in its legal-entity record — it is independently owned rather than a subsidiary.
Is Gilead Sciences, Inc. traded on a US stock exchange?
Yes — Gilead Sciences, Inc. trades under the ticker GILD on the NASDAQ.
See the full Gilead Sciences, Inc. company profile — financials, stock data and trust credentials — or browse the directory of American companies.