Welcome to our dedicated page for Turkcell Iletisi 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.
The Turkcell Iletisim Hizmetleri A.S. (TKC) SEC filings page on Stock Titan provides centralized access to the company’s U.S. regulatory disclosures, including its Annual Report on Form 20-F and a series of Form 6-K current reports. As a foreign private issuer listed on the New York Stock Exchange, Turkcell files English-language documents that describe its business, segment structure, risk factors, and financial statements, as well as material developments affecting the company.
In a 6-K dated April 29, 2025, Turkcell reported filing its Form 20-F for the year ended December 31, 2024 with the U.S. Securities and Exchange Commission, making complete audited financial statements available to investors. Additional 6-K filings in 2025 cover topics such as bond issuances and redemptions, capital increases at subsidiaries, share buy-back transactions, renewal of directors’ and officers’ liability insurance, amendments to the Articles of Association, and the completion of a merger through acquisition with a wholly owned subsidiary.
For a telecom and technology issuer like Turkcell, SEC filings are a primary source for understanding segment reporting (Turkcell Türkiye, Techfin, and Other), revenue composition, and the impact of hyperinflationary accounting under IAS 29. They also document the company’s concession-based licenses in Türkiye, its capital markets activities, and key corporate governance decisions. Investors can review these filings to see how Turkcell describes its mobile and fixed operations, digital and techfin businesses, and its approach to financing and risk management.
On Stock Titan, Turkcell filings are updated as new documents appear on EDGAR. AI-powered tools can help summarize lengthy 20-F and 6-K reports, highlight changes from prior periods, and surface information on topics such as bond programs, capital increases, and corporate actions. This allows readers to quickly identify the filings that matter most for their analysis of TKC, while retaining the ability to drill down into the original SEC documents when needed.
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%.
Turkcell announced a board decision to issue debt instruments of up to TRY 15 billion in Turkish Lira, in the domestic markets, subject to the approval of the Capital Markets Board.
The instruments may be offered in one or more tranches with maturities of up to 2 years, and structured at a discount and/or with fixed or variable coupons depending on market conditions. The issuance will be conducted without a public offering, through private placement and/or sales to institutional investors.
Turkcell announced it won 160 MHz of 5G spectrum for $1,224 million (excluding VAT) in an ICTA tender, with rights valid until December 31, 2042. The fee will be paid in three equal installments on January 2, 2026, December 25, 2026, and May 2, 2027, and the tender will be finalized after legal requirements are completed.
Turkcell reports it now has access to 394.4 MHz out of 949.2 MHz available in Türkiye, about 42% of total frequencies. The package includes 700 MHz (FDD) 2x10=20 MHz ($429M) and 3.5 GHz (TDD) 1x80=80 MHz ($214M) plus 3x20=60 MHz ($581M). Existing 2G/3G/4.5G authorizations can be extended to December 31, 2042; between April 30, 2029 and 2042, 5% of gross mobile service revenues (excluding VAT) will be paid annually to ICTA. 5G service is planned to launch on April 1, 2026.