Who owns Zenrelia?
Zenrelia is owned by Elanco (the United States, NYSE: ELAN).[1]
Evidence: Elanco Animal Health Incorporated Annual Report on Form 10-K filed 2026-02-24, SEC EDGAR, 24 February 2026. Verified from filings; last checked .
Key facts
- Current owner
- Elanco Animal Health Incorporated verified
- Owner HQ
- 🇺🇸 United States, Indianapolis
- Origin
- 🇺🇸 United States
- Founded
- 2024
- Category
- Pet & animal care › Pet supplies & services › Veterinary services
- Parent ticker
- NYSE: ELAN
- Trademark registrant
- Elanco UK AH Limited (USPTO)
- Last verified
- · 2 sources
About Zenrelia
Zenrelia is a once-daily oral tablet for dogs, a JAK inhibitor aimed at controlling pruritus and atopic dermatitis. Elanco's 10-K reports that it received final FDA approval in September 2024, was launched in the United States shortly afterwards, and has since been approved in Australia, Brazil, Canada, the European Union, Japan and the United Kingdom.
What Elanco's annual report says about Zenrelia
Sentences about Zenrelia from Elanco's latest annual filing[1], copied word for word.
In dermatology, our Zenrelia product targets control of pruritus and atopic dermatitis in dogs.
Cats, Dogs Zenrelia JAK inhibitor in the form of a once-daily oral tablet targeting control of pruritus and atopic dermatitis in dogs.
Zenrelia : We received final FDA approval for Zenrelia , a JAK inhibitor targeting control of pruritus and atopic dermatitis in dogs, in September 2024.
How often Elanco names Zenrelia in its annual report
A plain count of the times the name appears in the text of each annual report, not counting the start of a sentence. A brand that an owner writes about more is usually one it treats as central. The brand is named more often than it was three years earlier.
Trademark record for Zenrelia
The USPTO record for the Zenrelia mark lists Elanco UK AH Limited as the owner of record (serial number 79367703). That name matches the owner named above.[2]
Ownership timeline of Zenrelia
Where Zenrelia sits in Elanco
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Elanco ownership tree →
See the full Elanco brand portfolio (15) →
Other brands owned by Elanco
Elanco controls 15 brands on Brandtree, 15 of them in pet & animal care.
Also in pet & animal care
Other brands in veterinary services, and who owns them
The 45 brands in veterinary services on Brandtree belong to 7 owners. The largest is Zoetis, with 17; Elanco has 10.
About the owner: Elanco
Elanco is a publicly listed company headquartered in Indianapolis, United States, founded in 1954. Brandtree records 15 brands under its control, and it is listed as NYSE: ELAN.
Elanco Animal Health is an Indianapolis animal health company with pet health and farm animal businesses. Its 10-K says it has a heritage dating to 1954 as a business unit of Eli Lilly and Company, was incorporated independently in September 2018 and separated in March 2019, and in August 2020 acquired Bayer Animal Health, which it calls the largest acquisition in industry history. It sells flea and tick, dermatology and pain products for pets and feed additives, vaccines and antibiotics for livestock.
🇺🇸 Zenrelia and other American brands
Brandtree records a controlling owner for 2,399 brands that began in the United States. 461 of them (19%) are now controlled by a company headquartered in another country; Zenrelia is not one of them.
- 4health — Tractor Supply 🇺🇸
- American Journey — Chewy 🇺🇸
- Apoquel — Zoetis 🇺🇸
- Aqueon — Central Garden & Pet 🇺🇸
- Aureomycin — Phibro 🇺🇸
- BARK — BARK 🇺🇸
Frequently asked questions
Who is the parent company of Zenrelia?
The parent company of Zenrelia is Elanco, a publicly listed company headquartered in the United States.
Is Zenrelia American?
Yes. Zenrelia originated in the United States in 2024 and its owner, Elanco, is also headquartered in the United States.
Is Zenrelia still owned by Elanco?
Yes. As of 9 October 2026, Zenrelia is still owned by Elanco. The ownership record was last checked against primary sources on that date.
Sources (2) & 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] Elanco Animal Health Incorporated Annual Report on Form 10-K filed 2026-02-24 — SEC EDGAR, SEC Form 10-K, published 24 February 2026; retrieved 2 October 2026.
- [2] USPTO: ZENRELIA, serial 79367703 — United States Patent and Trademark Office, Trademark registry; retrieved 2 October 2026.
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