4528 on Tokyo Stock Exchange
Ono Pharmaceutical
Logo: Ono Pharmaceutical Co., Ltd., Public domain, via Wikimedia Commons3
Japanese pharmaceutical company
Ono Pharmaceutical Co., Ltd. (小野薬品工業株式会社, Ono Yakuhin Kōgyō Kabushiki-gaisha) is one of the largest pharmaceutical companies in Japan. It is headquartered in Chuo-ku, Osaka, Japan, with its major plants in Higashinari-ku, Osaka, and Fujinomiya, Shizuoka., and its central research institute at Minase, Shimamoto-cho, Mishima District, Osaka. Ono Pharmaceutical's roots go back to 1717 when Ichibei Ono (Japanese: 小野市兵衛) started his dealer business of pharmaceuticals in Osaka.2 Its shares trade on Tokyo Stock Exchange under the symbol 4528.1 Wikipedia text CC BY-SA 4.0
Price unavailable
Last updated Oct 21, 2026.
Overview
- Ticker4528 on Tokyo Stock Exchange1
- Industrypharmaceutical industry1
- HeadquartersChūō-ku1
- Websitewww.ono.co.jp
- Legal formkabushiki gaisha1
See how the biggest companies compare on our leaderboards
Ono Pharmaceutical Co., Ltd. (小野薬品工業株式会社, Ono Yakuhin Kōgyō Kabushiki-gaisha) is one of the largest pharmaceutical companies in Japan. It is headquartered in Chuo-ku, Osaka, Japan, with its major plants in Higashinari-ku, Osaka, and Fujinomiya, Shizuoka., and its central research institute at Minase, Shimamoto-cho, Mishima District, Osaka.2
Corporate structure
Ono Pharmaceutical sits at the top of its group. 2 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.
- Ono Pharmaceutical Chūō-ku
- Ono Pharmaceutical (United Kingdom) Subsidiary · London, United Kingdom
Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
Subsidiaries and ownership
Subsidiaries
From Wikidata.1
Timeline
- Jul 4, 1947Founded Founded1
Calendar
Drug trials and FDA: coming up
- Dec 31, 2026Phase 2 trial readout expected Phase 2 trial of ONO-2020 in Agitation Associated With Alzheimer's Disease Dementia: primary completion expected Dec 31, 2026 (ClinicalTrials.gov NCT06803823).4
- Jan 31, 2027Phase 3 trial readout expected Phase 3 trial of Cenobamate in Epilepsy, Generalized: primary completion expected Jan 31, 2027 (ClinicalTrials.gov NCT06579573).5
- Jan 31, 2027Phase 2 trial readout expected Phase 2 trial of Cenobamate in Epilepsies, Partial: primary completion expected Jan 31, 2027 (ClinicalTrials.gov NCT06590896).6
- Mar 31, 2027Phase 1/2 trial readout expected Phase 1/2 trial of E7389-LF and Nivolumab in Solid Neoplasms, run by Eisai Co., Ltd.: primary completion expected Mar 31, 2027 (ClinicalTrials.gov NCT04078295).7
- Sep 30, 2027Phase 3 trial readout expected Phase 3 trial of ONO-4059 in Pemphigus: primary completion expected Sep 30, 2027 (ClinicalTrials.gov NCT06696716).8
Drug trials and FDA: recently
- May 27, 2026Phase 3 trial completed Phase 3 trial of Nivolumab in Hepatocellular Carcinoma, run by Bristol-Myers Squibb: primary completion May 27, 2026, no results posted yet (ClinicalTrials.gov NCT03383458).9
- Feb 16, 2026Phase 3 trial completed Phase 3 trial of Nivolumab, Gemcitabine and others in Urinary Bladder Neoplasms, run by Bristol-Myers Squibb: primary completion Feb 16, 2026, no results posted yet (ClinicalTrials.gov NCT03661320).10
- Mar 1, 2025Phase 3 trial completed Phase 3 trial of Encorafenib, Cetuximab and others in Neoplasms, run by Pfizer: primary completion Mar 1, 2025, results posted Jun 11, 2026 (ClinicalTrials.gov NCT04607421).11
Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). Trials from ClinicalTrials.gov, as the sponsor registered them (expected dates are the sponsor's own and often move); approvals and advisory committee meetings from the FDA. The FDA does not publish its decision (PDUFA) dates. The full markets calendar
Links
- Websitewww.ono.co.jp1
- WikipediaOno Pharmaceutical
- More imagesWikimedia Commons
- WikidataQ11464265
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataOno Pharmaceutical on Wikidata
- 2WikipediaOno Pharmaceutical on Wikipedia
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11