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BioSynth Pharma Corp. IPO | IPO Radar Japan

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Growthlisted309A

BioSynth Pharma Corp.

バイオシンスファーマ

Healthcare · Listed 2025-04-09

Price Overview

Offer Price

¥620

Range: ¥500–¥650

First Day Open

¥700

First Day Close

¥650

Current Price

¥700

Post-IPO Returns

1st Day

—

7d

—

30d

—

90d

—

180d

—

1y

+12.9%

52W High

¥700

52W Low

¥677

Avg Volume

0

Business Description

BioSynth Pharma develops novel antibody-drug conjugates targeting solid tumors. Lead compound BSP-201 is in Phase II trials for treatment-resistant breast cancer.

Risk Factors

Clinical trial failure risk for lead compound
Pre-revenue with significant cash burn
Regulatory approval timeline uncertainty

Offering Details

Lead UnderwriterDaiwa Securities

Bookbuilding2025-03-26 – 2025-04-01

Shares (Koubo)6,000,000

Shares (Uridashi)0

Overallotment900,000

Lock-up

Typeperiod

Period180 days

Financials

Revenue (Latest)¥0M

Revenue (Prev)¥0M

Revenue Growth94.4%

Op. Margin-148.6%

Net Income¥-1M

Ownership

CEODr. Ayako Kimura

Founder Ownership30.0%

VC Ownership40.0%

Employees75

Founded2017-02-01

Use of Proceeds

Phase II clinical trial completion, Phase III preparation, CMC development