Who owns Arimidex?
Arimidex is made and sold by ANI Pharmaceuticals (the United States, NASDAQ: ANIP) under licence; ANI Pharmaceuticals does not own the name.[1] The Arimidex name is owned by AstraZeneca UK Limited.
Evidence: ANI Pharmaceuticals, Inc. Annual Report on Form 10-K filed 2026-02-27, SEC EDGAR, 27 February 2026. Verified from filings; last checked .
Key facts
- Licensed to
- ANI Pharmaceuticals, Inc. verified
- Headquarters
- 🇺🇸 United States, Baudette
- Origin
- 🇬🇧 United Kingdom
- Category
- Healthcare & pharma › Drug makers › Pharmaceuticals
- Parent ticker
- NASDAQ: ANIP
- Last verified
- · 1 sources
About Arimidex
Arimidex is a medicine whose trademark belongs to AstraZeneca UK Limited. ANI Pharmaceuticals has acquired the US marketing rights and NDA for it and sells it in the United States, but its 10-K states that the Arimidex name is licensed to ANI for US sales and is not ANI's own trademark. ANI lists it among the branded products in its Rare Disease and Brands segment.
Ownership timeline of Arimidex
Where Arimidex sits in ANI Pharmaceuticals
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full ANI Pharmaceuticals ownership tree →
See the full ANI Pharmaceuticals brand portfolio (4) →
Other brands owned by ANI Pharmaceuticals
ANI Pharmaceuticals controls 5 brands on Brandtree, 5 of them in healthcare & pharma.
Also in healthcare & pharma
Other brands in pharmaceuticals, and who owns them
The 27 brands in pharmaceuticals on Brandtree belong to 10 owners. The largest is Teva, with 4; ANI Pharmaceuticals has 4.
About the owner: ANI Pharmaceuticals
ANI Pharmaceuticals is a publicly listed company headquartered in Baudette, United States.
ANI Pharmaceuticals, Inc. is a Delaware corporation with its principal executive offices in Baudette, Minnesota. Its 10-K for 2025 calls it a diversified bio-pharmaceutical company that develops, manufactures and sells medicines through Rare Disease, Generics and Brands businesses, with a generics portfolio of more than 120 products and three owned manufacturing sites in Minnesota and New Jersey.
ANI Pharmaceuticals: full profile, brands and acquisition history →
🇬🇧 Arimidex and other British brands
Brandtree records a controlling owner for 552 brands that began in the United Kingdom. 291 of them (53%) are now controlled by a company headquartered in another country, Arimidex among them.
- VitalityHealth — Discovery 🇿🇦
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- ASOS Design — ASOS 🇬🇧
- Aero — Nestlé 🇨🇭
- Air Partner — Wheels Up 🇺🇸
- Alexander McQueen — Kering 🇫🇷
Frequently asked questions
Who makes Arimidex?
ANI Pharmaceuticals makes and sells Arimidex under a licensing agreement.
Does ANI Pharmaceuticals own Arimidex?
No. ANI Pharmaceuticals holds a licence to make and sell Arimidex, which is not the same as owning it.
Where did Arimidex come from?
Arimidex originated in the United Kingdom.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] ANI Pharmaceuticals, Inc. Annual Report on Form 10-K filed 2026-02-27 — SEC EDGAR, SEC Form 10-K, published 27 February 2026; retrieved 18 October 2026.
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