Who owns Lek?
Lek is owned by Sandoz (Switzerland, SIX: SDZ), which has owned the brand since 2002.[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: Sandoz Group AG Integrated Annual Report 2025. Last checked .
Key facts
- Current owner
- Sandoz Group AG reported
- Owned since
- Owner HQ
- 🇨🇭 Switzerland, Basel
- Origin
- 🇸🇮 Slovenia, Ljubljana
- Category
- Healthcare & pharma › Drug makers › Generics & biosimilars
- Parent ticker
- SIX: SDZ
- Last verified
- · 1 sources
About Lek
Lek is the Slovenian pharmaceutical company Sandoz acquired in 2002. Lek Pharmaceuticals d.d. of Ljubljana is wholly owned, and the 2025 annual report says Sandoz is Slovenia's largest foreign investor and is building three new biosimilar sites there, with Ljubljana focused on product development. Lek entities also appear in Poland and North Macedonia.
Ownership timeline of Lek
Where Lek sits in Sandoz
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Sandoz ownership tree →
See the full Sandoz brand portfolio (14) →
Other brands owned by Sandoz
Sandoz controls 14 brands on Brandtree, 14 of them in healthcare & pharma.
Also in healthcare & pharma
Other brands in generics & biosimilars, and who owns them
Sandoz has more brands in generics & biosimilars on Brandtree than any other owner: 14 of 18.
| Brand | Owner | Owner based in |
|---|---|---|
| Amneal | Amneal | 🇺🇸 United States |
| Nise | Dr. Reddy's | 🇮🇳 India |
| AvKARE | Amneal | 🇺🇸 United States |
| Omez | Dr. Reddy's | 🇮🇳 India |
About the owner: Sandoz
Sandoz is a publicly listed company headquartered in Basel, Switzerland, founded in 1886. Brandtree records 14 brands under its control, and it is listed as SIX: SDZ.
Sandoz is a Basel generics and biosimilars company that traces itself to the business Alfred Kern and Edouard Sandoz founded 140 years before 2026. Sandoz and Ciba-Geigy merged into Novartis in 1996; Sandoz was later re-established as Novartis's generics and biosimilars arm and was spun off on 4 October 2023, when its shares began trading on the SIX Swiss Exchange. Its 2025 net sales were USD 11,086 million, of which biosimilars were 30%.
🇸🇮 Lek and other Slovenian brands
Brandtree records a controlling owner for 30 brands that began in Slovenia. 9 of them (30%) are now controlled by a company headquartered in another country, Lek among them.
Frequently asked questions
Who is the parent company of Lek?
The parent company of Lek is Sandoz, a publicly listed company headquartered in Switzerland.
Is Lek Slovenian or Swiss?
Lek originated in Slovenia, but it is owned today by Sandoz, which is headquartered in Switzerland. So Lek is a Slovenian-origin brand under Swiss ownership.
Since when has Sandoz owned Lek?
Sandoz has owned Lek since 2002.
Is Lek still owned by Sandoz?
Yes. As of 21 October 2026, Lek is still owned by Sandoz. The ownership record was last checked against primary sources on that date.
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] Sandoz Group AG Integrated Annual Report 2025 — Sandoz Group AG, Annual report; retrieved 21 October 2026.
Report a correction Opens a pre-filled GitHub issue. See our corrections policy.