Authum acquires 3.43% stake in OneSource Specialty Pharma

Authum Investment & Infrastructure announced today that it has entered into a commercial transaction to acquire 39,27,000 shares of OneSource Specialty Pharma Limited, a public limited company listed on the NSE (ONESOURCE) and BSE (544292). This acquisition will give Authum a 3.43% stake in OneSource Specialty. According to the announcement, the transaction was executed on June 13, 2025. OneSource Specialty Pharma, formerly known as Stelis Biopharma Limited, is a specialty pharma pure-play Contract Development and Manufacturing Organization (CDMO), headquartered in Bengaluru. The fair market value of the shares is approximately INR 2,028. OneSource's turnover for the past three fiscal years were: FY 22-23 at INR 41.07 Cr, FY 23-24 at INR 171.90 Cr, and FY 24-25 at INR 1444.8 Cr. Authum Investment & Infrastructure stated that the acquisition is part of a commercial transaction and does not require any governmental or regulatory approvals.