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Bulls GSYO exits Oncosem stake after share sale

Makkler Newsroom
October 12, 2026 · Based on reporting by KAP

The company reported selling its remaining Oncosem shares on Borsa Istanbul, recording a gain and ending its investment in the company.

Key takeaways

  • Bulls GSYO reported selling 280,000 Oncosem shares on October 9.
  • The sale ended Bulls GSYO’s stake in Oncosem and produced a reported gain of 26,869,442.65.

Bulls Girişim Sermayesi Yatırım Ortaklığı reported that it sold 280,000 shares in Oncosem Onkolojik Sistemler on October 9, ending its investment in the company. The shares were sold through Borsa Istanbul’s Equity Market.

The KAP disclosure lists a total transaction amount of 29,683,513 and a price of 106 per share. Bulls GSYO reported a gain of 26,869,442.65 from the sale.

The sale transfers Bulls GSYO’s existing shares to market buyers; it does not provide new capital to Oncosem. Bulls GSYO said the sale’s effect on its operations was positive, but did not state how it would use the proceeds.

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