KCAER, ONCSM, KOTON and TCELL: Developments on October 13th

Highlights of the Day: October 13, 2025

Today, we compiled notable developments in Borsa Istanbul. Significant steps were taken by Kocaer Çelik (KCAER) and Oncosem Oncology Systems (ONCSM). Here are the key news items of the day:

Kocaer Çelik (KCAER)

Kocaer Çelik announced that its emission reduction targets for the years 2030 and 2050 have been approved by the Science-Based Targets Initiative. This development strengthens the company's sustainability efforts and attracts investor interest.

Oncosem Oncology Systems (ONCSM)

Oncosem succeeded in a tender process organized by the UK National Health Service with its IVEIN brand. The company was selected as a supplier in the tender, which had a total budget of 6.4 billion TL, after submitting 97 bids.

Koton (KOTON)

Koton continues its growth in the international arena. In addition to its second store in Oman, it aims to increase its market share by opening new stores in Abu Dhabi and Dubai in the United Arab Emirates.

Kontrolmatik Teknoloji (KONTR)

Kontrolmatik Teknoloji signed a strategic agreement in Mexico through its subsidiary Pomega Enerji. In collaboration with Mexico-based Jebla Energy, the company took an important step toward introducing its products produced in Turkey to the Latin American market and establishing a lithium-ion battery assembly facility.

Turkcell (TCEL)

Turkcell announced that it has increased the capital of its 100% subsidiary Turktell Bilişim by 2 billion TL, raising it to 22.22 billion TL. This increase is noteworthy in terms of the company's growth plans and investment strategies.

General Market Situation

Global markets are experiencing fluctuations due to trade tensions between China and the US. In Borsa Istanbul, the BIST 100 index started the day down by 1.25% at 10,586.02 points.

Foreign investors made a net purchase of 9.63 million dollars in September, while automotive main industry production increased by 3.1%. The dollar is trading at 41.80 TL, and the euro is at 48.59 TL.

Summary

Today, the prominent companies in Borsa Istanbul were KCAER, ONCSM, KOTON, KONTR, and TCEL. Market fluctuations continue due to global trade tensions.