Acquisition History / Taiyo Kosan (Hisamitsu founding family vehicle) / Hisamitsu Pharmaceutical Co., Inc.
Taiyo Kosan (Hisamitsu founding family vehicle) Acquires Hisamitsu Pharmaceutical Co., Inc.
Announced January 7, 2026 — $1.70B
What happened
Hisamitsu Pharmaceutical, maker of Salonpas patches, announced a management buyout on 7 January 2026 through Taiyo Kosan, taking the company private from the Tokyo Prime, Nagoya Premier and Fukuoka markets. The tender offer completed on 20 February 2026 with consideration of JPY 254.249bn.
- Target
- Hisamitsu Pharmaceutical Co., Inc.
- Announced
- January 7, 2026
- Price
- $1.70B
- Industry
- Pharmaceuticals (transdermal patches)
- Buyer type
- Family office
- Fund vehicle
- Taiyo Kosan
- Status
- Closed
By the numbers
Frequently Asked Questions About This Acquisition
When did Taiyo Kosan (Hisamitsu founding family vehicle) acquire Hisamitsu Pharmaceutical Co., Inc.?
Taiyo Kosan (Hisamitsu founding family vehicle) acquired Hisamitsu Pharmaceutical Co., Inc. on January 7, 2026. This was Taiyo Kosan (Hisamitsu founding family vehicle)'s 1st publicly tracked acquisition out of 1 we have on record.
How much did Taiyo Kosan (Hisamitsu founding family vehicle) pay for Hisamitsu Pharmaceutical Co., Inc.?
Taiyo Kosan (Hisamitsu founding family vehicle) paid $1.70B for Hisamitsu Pharmaceutical Co., Inc..
What does Hisamitsu Pharmaceutical Co., Inc. do?
Hisamitsu Pharmaceutical, maker of Salonpas patches, announced a management buyout on 7 January 2026 through Taiyo Kosan, taking the company private from the Tokyo Prime, Nagoya Premier and Fukuoka markets. The tender offer completed on 20 February 2026 with consideration of JPY 254.249bn.
What other Pharmaceuticals (transdermal patches) companies has Taiyo Kosan (Hisamitsu founding family vehicle) acquired?
Hisamitsu Pharmaceutical Co., Inc. is Taiyo Kosan (Hisamitsu founding family vehicle)'s only publicly tracked acquisition in Pharmaceuticals (transdermal patches) so far.