Brandtree

Who owns Oronamin C?

Oronamin C is owned by Otsuka (Japan, TSE: 4578).[1]

This ownership is reported in official statements but has not yet been matched to a regulatory filing.

Evidence: Otsuka Holdings Annual Report 2025, Otsuka Holdings Co., Ltd, 27 March 2026. Last checked .

Key facts

Current owner
Otsuka Holdings Co., Ltd. reported
Owner HQ
🇯🇵 Japan, Tokyo
Origin
🇯🇵 Japan
Founded
1965
Category
Beverages › Soft drinks › Energy drinks
Parent ticker
TSE: 4578
Last verified
· 1 sources

About Oronamin C

Oronamin C is a small carbonated vitamin drink sold in a brown glass bottle since 1965, classed as a soft drink rather than a medicine, which is why it can be sold in vending machines. It is one of the most recognised drinks in Japan.

Ownership timeline of Oronamin C

Owners of Oronamin C over 1965 to 2026 Otsuka start not recorded–present Otsuka (start not recorded) 197019801990200020102020
  1. Current owner Otsuka [1] reported

Where Oronamin C sits in Otsuka

Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.

Where Oronamin C sits in Otsuka Tree of 4 brands under Otsuka. Otsuka Oronamin C Calorie Mate Nature Made Pocari Sweat

Open the full Otsuka ownership tree →

See the full Otsuka brand portfolio (4) →

Other brands owned by Otsuka

Otsuka controls 4 brands on Brandtree, 2 of them in beverages.

Also in beverages

All Otsuka brands →

Other brands in energy drinks, and who owns them

The 44 brands in energy drinks on Brandtree belong to 34 owners. The largest is Monster Beverage, with 5.

BrandOwnerOwner based in
Bang Energy Monster Beverage 🇺🇸 United States
Climax Heineken 🇳🇱 Netherlands
M-150 Osotspa 🇹🇭 Thailand
Alani Nu Celsius Holdings 🇺🇸 United States
Baikal Chernogolovka 🇷🇺 Russia
Boost A.G. Barr 🇬🇧 United Kingdom
Volt AJE 🇵🇪 Peru
Collab Bera 🇮🇸 Iceland

Every brand in energy drinks and its owner →

About the owner: Otsuka

Otsuka is a publicly listed company headquartered in Tokyo, Japan, founded in 1921. Brandtree records 4 brands under its control, and it is listed as TSE: 4578.

Otsuka is a Japanese group spanning pharmaceuticals and consumer products, unusual in running both at scale under one roof. Its drug business developed the antipsychotic aripiprazole, and its nutraceutical arm sells sports drinks and food products that are household names across Japan and much of Asia.

Otsuka: full profile, brands and acquisition history →

🇯🇵 Oronamin C and other Japanese brands

Brandtree records a controlling owner for 448 brands that began in Japan. 22 of them (5%) are now controlled by a company headquartered in another country; Oronamin C is not one of them.

All Japanese brands and who owns them →

Frequently asked questions

Who is the parent company of Oronamin C?

The parent company of Oronamin C is Otsuka, a publicly listed company headquartered in Japan.

Is Oronamin C Japanese?

Yes. Oronamin C originated in Japan in 1965 and its owner, Otsuka, is also headquartered in Japan.

Is Oronamin C still owned by Otsuka?

Yes. As of 16 September 2026, Oronamin C is still owned by Otsuka. 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. [1] Otsuka Holdings Annual Report 2025 — Otsuka Holdings Co., Ltd., Annual report, published 27 March 2026; retrieved 16 September 2026.

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