# Amgen headquarters

entity: /record/amgen.md  
predicate: headquarters  
page: /record/amgen/headquarters  
as_of: 2026-11-09  
cite: AsOf. "Amgen headquarters: Thousand Oaks", undated. Claim clm_213F34219223, https://asof.is/claim/clm_213F34219223, accessed 2026-11-09. Source: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000318154.  

As of November 9, 2026, Amgen's headquarters on the AsOf record is Thousand Oaks, undated on the record, from a primary source (sec.gov).

1 claim on Amgen's headquarters, 1 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current headquarters

What the record asserts on 2026-11-09.

- [Amgen](/record/amgen.md) | headquarters | Thousand Oaks | valid undated to present | conf 0.95 | valid | [clm_213F34219223](/claim/clm_213F34219223.md)
  sources: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000318154

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Amgen](/record/amgen.md) | headquarters | Thousand Oaks | valid undated to present | conf 0.95 | valid | [clm_213F34219223](/claim/clm_213F34219223.md)
  sources: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000318154

## Questions this record answers

### What is Amgen's current headquarters?

Thousand Oaks, undated on the record, from a primary source (sec.gov). The record asserts this claim as of November 9, 2026 (status valid, confidence 0.95).


## Read on

- This page: /record/amgen/headquarters (markdown: /record/amgen/headquarters.md)
- Entity twin: /record/amgen.md · timeline: /timelines/amgen.md
- Every company's headquarters: /facts/headquarters.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.