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Side-by-side financial comparison of TELEPHONE & DATA SYSTEMS INC (TDS) and TURKCELL ILETISIM HIZMETLERI A S (TKC). Click either name above to swap in a different company.
Telephone and Data Systems, Inc. is a Chicago-based telecommunications service company primarily providing broadband, cable, telephone, and wireless services, and radio tower leasing, through its subsidiaries TDS Telecom and Array Digital Infrastructure, the latter of which was formerly the cell phone company United States Cellular.
Turkcell is a leading telecommunications services provider headquartered in Turkey. It offers mobile and fixed-line voice, data, internet, digital services, and IoT solutions for individual consumers, enterprise clients, and public sector entities across Turkey, Northern Cyprus, and several regional Eurasian markets.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $-1.5B | — | ||
| Q3 25 | $261.9M | — | ||
| Q4 24 | $1.2B | — | ||
| Q3 24 | $1.2B | — | ||
| Q2 24 | $1.2B | — | ||
| Q1 24 | $1.2B | — | ||
| Q4 23 | $-2.5B | — | ||
| Q3 23 | $1.2B | — |
| Q4 25 | $56.5M | — | ||
| Q3 25 | $-81.8M | — | ||
| Q4 24 | $6.0M | — | ||
| Q3 24 | $-66.0M | — | ||
| Q2 24 | $3.0M | — | ||
| Q1 24 | $29.0M | — | ||
| Q4 23 | $-503.3M | — | ||
| Q3 23 | $0 | — |
| Q4 25 | — | — | ||
| Q3 25 | -26.0% | — | ||
| Q4 24 | 3.0% | — | ||
| Q3 24 | -6.7% | — | ||
| Q2 24 | 3.2% | — | ||
| Q1 24 | 5.4% | — | ||
| Q4 23 | — | — | ||
| Q3 23 | 3.8% | — |
| Q4 25 | -3.8% | — | ||
| Q3 25 | -31.2% | — | ||
| Q4 24 | 0.5% | — | ||
| Q3 24 | -5.5% | — | ||
| Q2 24 | 0.2% | — | ||
| Q1 24 | 2.4% | — | ||
| Q4 23 | 19.9% | — | ||
| Q3 23 | — | — |
| Q4 25 | $0.33 | — | ||
| Q3 25 | $-0.84 | — | ||
| Q4 24 | $-0.09 | — | ||
| Q3 24 | $-0.73 | — | ||
| Q2 24 | $-0.13 | — | ||
| Q1 24 | $0.10 | — | ||
| Q4 23 | $-4.64 | — | ||
| Q3 23 | $-0.16 | — |
