# Thermo Fisher Scientific Inc. headquarters entity: /record/thermo-fisher-scientific.md predicate: headquarters page: /record/thermo-fisher-scientific/headquarters as_of: 2026-11-09 cite: AsOf. "Thermo Fisher Scientific Inc. headquarters: Waltham", undated. Claim clm_15E1161446D9, https://asof.is/claim/clm_15E1161446D9, accessed 2026-11-09. Source: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000097745. As of November 9, 2026, Thermo Fisher Scientific Inc.'s headquarters on the AsOf record is Waltham, undated on the record, from a primary source (sec.gov). 1 claim on Thermo Fisher Scientific Inc.'s headquarters, 1 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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. - [Thermo Fisher Scientific Inc.](/record/thermo-fisher-scientific.md) | headquarters | Waltham | valid undated to present | conf 0.95 | valid | [clm_15E1161446D9](/claim/clm_15E1161446D9.md) sources: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000097745 ## Every dated value One claim per line, oldest first. Superseded claims stay visible. - [Thermo Fisher Scientific Inc.](/record/thermo-fisher-scientific.md) | headquarters | Waltham | valid undated to present | conf 0.95 | valid | [clm_15E1161446D9](/claim/clm_15E1161446D9.md) sources: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000097745 ## Questions this record answers ### What is Thermo Fisher Scientific Inc.'s current headquarters? Waltham, 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/thermo-fisher-scientific/headquarters (markdown: /record/thermo-fisher-scientific/headquarters.md) - Entity twin: /record/thermo-fisher-scientific.md ยท timeline: /timelines/thermo-fisher-scientific.md - Every company's headquarters: /facts/headquarters.md --- AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.