Welcome to our dedicated page for TURKCELL ILETISIM HIZMETLERI A S SEC filings (Ticker: TKC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Turkcell Iletisim Hizmetleri A.S. filings document the disclosure record of a Turkish foreign private issuer in telecommunications and digital services. The company files annual reports on Form 20-F and current reports on Form 6-K covering audited financial statements, operating results, segment information and material corporate announcements.
TKC regulatory disclosures include Annual General Assembly materials, shareholder approvals, dividend proposals and distributions, independent auditor appointments, sustainability reporting and governance authorizations. The filing record also documents capital-market activity such as domestic debt instrument applications, financing bond issuances and Murabaha syndicated loan facilities used to fund network and next-generation communication investments.
Turkcell İletişim Hizmetleri A.Ş. reported that its Board of Directors has approved moving forward with an amendment to the company’s Articles of Association. The board intends to obtain required approvals from the Capital Markets Board and the Ministry of Trade, and the amendment will also require approval of the General Assembly.
The proposed change updates Article 3, which defines the company’s purpose and scope. The article currently lists licenses related to GSM Pan Europe mobile services, IMT-2000/UMTS infrastructures and services, and IMT services. The amended text adds an additional authorization, the “Authorisation Certificate for Limited Use Rights with regard to IMT-2020 Services,” while preserving the existing purposes and the company’s ability to enter into financing, partnership, and donation arrangements in line with applicable laws.
Turkcell İletişim Hizmetleri A.Ş. reported that it has injected new capital into its wholly-owned subsidiary Turktell Bilişim Servisleri A.Ş.. Turktell’s share capital was increased by TRY 15,000,000,000 to a new total of TRY 37,220,306,252. Turkcell exercised its pre-emption rights in full and paid the entire increase in cash, meaning the additional funds were provided directly by the parent company. This transaction strengthens the financial base of Turktell while preserving Turkcell’s full ownership.
Turkcell Iletisim Hizmetleri A.S. filed a report explaining that it has renewed its Directors & Officers (D&O) liability insurance. This policy covers members of the Board of Directors, senior executives, and senior executives of group companies and is now valid until October 1, 2026.
The company states that the total liability limit of this insurance coverage exceeds 25% of the Company’s capital, meeting the requirements of the Capital Markets Board's Corporate Governance Communiqué. This renewal helps ensure that key decision-makers have insurance protection in place while managing the business.
Turkcell İletişim Hizmetleri A.Ş. reported that Türkiye’s Capital Markets Board approved its planned merger through acquisition of its wholly owned subsidiary Artel Bilişim Servisleri A.Ş. under a "Merger via Facilitated Procedure." The approval was issued in a bulletin dated November 25, 2025, following Turkcell’s application on September 16, 2025.
The merger is structured as an acquisition of Artel, which is not traded on the stock exchange, into Turkcell. The tables show that Turkcell’s paid-in capital remains at TRY 2,200,000,000, with TRY 0 capital increase and TRY 0 capital decrease indicated, suggesting no change to total share capital as part of this internal reorganization. Separate share groups are listed with paid-in capital of TRY 330,000,000 for Group A and TRY 1,870,000,000 for Group B, maintaining the same aggregate capital level.
Turkcell İletişim Hizmetleri A.Ş. (TKC) redeemed its financing bond with ISIN code TRFTCELK2516, paying back a nominal principal of TRY 1,500,000,000 and the related interest on November 20, 2025. The bond had a 99-day maturity, a fixed annual simple interest rate of 41.50% and a single coupon payment structure.
The redemption plan shows a coupon payment amount of TRY 168,842,400.00 alongside full principal repayment on the maturity date. The bond was sold via private placement to qualified investors in Türkiye and carried a long-term national rating of AAA (Trk) from JCR Avrasya Derecelendirme A.Ş., which was classified as investment grade.
Turkcell İletişim Hizmetleri A.Ş. completed a domestic financing bond issuance with a nominal amount of TRY 750,000,000, sold by private placement to qualified investors in Türkiye. The bond carries a fixed annual simple interest rate of 39.25% and an annual compound rate of 45.28616%, with an issue price of 100 and trading on the stock exchange. The maturity date is February 24, 2026, giving a 96-day term from the maturity starting date of November 20, 2025.
This bond was issued under Turkcell’s previously approved TRY 10,000,000,000 overall issuance limit from the Capital Markets Board. It has a single coupon payment on February 24, 2026, with a periodic interest rate of 10.32329%. Rating agency JCR Avrasya Derecelendirme A.Ş. assigned a Long Term National Rating of AAA (tr) as of May 29, 2025, which is classified as investment grade.
Turkcell Iletisim Hizmetleri A.S. reported that the capital of its wholly owned subsidiary Kıbrıs Mobile Telekomünikasyon Limited has been increased by TRY 500,000,000 to a total of TRY 922,724,863.
Turkcell’s pre-emption rights in this capital increase were fully paid, meaning the company participated in the increase and maintained its ownership in Kıbrıs Telekom.
Turkcell İletişim Hizmetleri A.Ş. (TKC) reported share buy-back activity. On November 12, 2025, the company repurchased 2,093,944 shares at an average price of TRY 95.58, for a total transaction value of TRY 200,141,178.
The buy-back, conducted under the company’s existing program to support healthy price formation and protect stakeholder interests, covered Group B, TCELL, TRATCELL91M1 shares and represented a 0.095% ratio to capital on the transaction date.
Turkcell (TKC) announced a strategic partnership with Google Cloud to deliver Google Cloud services in Türkiye and support a planned new Google Cloud region in the country. Turkcell will collaborate on infrastructure for the region, targeted to become operational during 2028–2029, and will act as a reseller of Google Cloud services.
The planned region will have three or more zones and provide local infrastructure to help customers address data residency needs while enabling low-latency services. Turkcell projects its data center capacity to increase by more than double by the end of 2032 and targets a sixfold increase in data center and cloud revenues in USD terms over the same period. Turkcell projects investment of 1 billion USD by the end of 2032.
Turkcell reported solid Q3 2025 results under IAS 29 inflation accounting. Revenue reached TRY59.5 billion, up 11.2% year over year, driven by ARPU gains, subscriber growth, and Techfin. EBITDA was TRY26.2 billion, up 10.5%, with a 43.9% margin. EBIT rose 18.6% to TRY10.4 billion. Profit from continuing operations increased 31.8% to TRY5.38 billion. Net income was TRY5.40 billion, lower versus last year due to a prior one‑off from discontinued operations.
Turkcell added 569 thousand postpaid customers, taking the postpaid mix to 79% and total mobile subscribers above 39 million. Mobile blended ARPU excluding M2M grew 11.9%; residential fiber ARPU rose 17.3%. Techfin grew 20.0%, with Paycell revenue up 41.7%. Data center and cloud revenues increased 51% in real terms, with active capacity at 50 MW.
Cash was TRY122.3 billion and consolidated debt TRY181.3 billion; net debt stood at TRY19.9 billion, a 0.20x net debt/EBITDA ratio. A USD 1 billion bond was issued earlier in the year. The 5G authorization tender resulted in a liability of US$1.5 billion. Management raised 2025 outlook to around 10% revenue growth, data center/cloud up around 43%, EBITDA margin 42%–43%, and operational capex-to-sales around 23%.