SK TELECOM CO LTD (SKM)
SEC filings, insider trading & institutional ownership from EDGAR.
SK Telecom describes itself as Korea's leading wireless telecommunications services provider. It develops and commercializes wireless and fixed-line technologies and services, and it is building new businesses on its AI and digital infrastructure and its telecommunications platforms. These include IoT solutions, platform services, cloud services, smart factory solutions, subscription services, advertising and curated shopping, and metaverse services. Its stated goal is to become a socially respected "AI Company" under its "SKT 2.0" and "AI to Everywhere" visions. Effective November 1, 2021, it spun off its semiconductor and certain other non-telecommunications subsidiaries and investees (including security, e-commerce and other new ICT businesses) to a new holding company, SK Square.
The company reports three segments. Cellular services covers wireless voice and data transmission, wireless device sales, IoT solutions, platform services, cloud services, smart factory solutions, subscription services, advertising and curated shopping, and metaverse services. This segment generated Won 12,942.3 billion in 2022, or 74.8% of consolidated revenue from continuing operations. Fixed-line telecommunications covers fixed-line telephone, broadband Internet, advanced media platform services (IPTV and cable TV) and business communications. Other businesses includes the T-commerce business and miscellaneous operations. Key offerings include 5G, LTE and HD Voice services, T-Roaming, and the SK 7Mobile MVNO brand run by subsidiary SK Telink. Platform and new-business products include the NUGU AI service, the "A." (A dot) Korean-language AI agent, the "5GX Edge Cloud" mobile edge computing service, the "T Universe" subscription membership, the "Ifland" metaverse platform (over 21 million cumulative downloads at the end of 2022) and the "T Deal" curated shopping service. Revenue comes mainly from monthly plan-based fees on postpaid and prepaid rate plans, plus interconnection charges and device sales.
SK Telecom serves retail subscribers and business customers in Korea. Its networks are accessible to about 99.0% of the Korean population. At December 31, 2022 it had 32.8 million wireless subscribers, including MVNO subscribers leasing its networks. That was a 43.2% market share, the largest among Korean wireless providers. Of these, 13.5 million used 5G, 18.1 million LTE and 1.3 million WCDMA. Rate plans are tailored to segments such as youth, children, seniors and military service members, along with bundles that combine wireless, fixed-line and physical security services. Business customers use its IoT, cloud (game, media, logistics, healthcare, finance and manufacturing), smart factory and energy management solutions. Foreign carriers and travelers are served through global roaming.
Wireless devices are sold through authorized exclusive dealers, independent retailers and directly operated stores run by the wholly owned subsidiary PS&Marketing. The company buys most of its devices from Samsung Electronics and Apple. It works with partners including Amazon Web Services and Dell on cloud and edge computing, and with SK Group affiliates and the former subsidiaries now held by SK Square. KT is named as a counterparty for interconnection. The text does not state the company's headquarters location.
AI-summarized from Item 4 (Information on the Company) of the company’s most recent 20-F filing.
Latest filings
10-K, 10-Q, 8-K, Form 4 & 13D/G. Sourced directly from SEC EDGAR
| Form | Filed | Accession |
|---|---|---|
| 6-K | Nov 4, 2026 | 0001193125-26-446114EDGAR |
| 6-K | Oct 29, 2026 | 0001193125-26-436876EDGAR |
| 6-K | Oct 28, 2026 | 0001193125-26-435000EDGAR |
| 6-K | Oct 14, 2026 | 0001193125-26-420931EDGAR |
| 6-K | Sep 16, 2026 | 0001193125-26-392477EDGAR |
| 6-K | Sep 2, 2026 | 0001193125-26-379284EDGAR |
| 6-K | Aug 27, 2026 | 0001193125-26-369453EDGAR |
| 6-K | Aug 27, 2026 | 0001193125-26-369444EDGAR |
Top holders
13F & 13D/G • latest quarter
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc. | 1.3% | Aug 7, 2026 | $161.84M |
| MORGAN STANLEY | 1.0% | Aug 13, 2026 | $128.46M |
| JANE STREET GROUP, LLC | 0.8% | Aug 14, 2026 | $99.49M |
| Mawer Investment Management Ltd. | 0.4% | Nov 6, 2026 | $56.5M |
| TWO SIGMA INVESTMENTS, LP | 0.4% | Aug 14, 2026 | $50.02M |
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Data as of Nov 9, 2026Source: SEC EDGAR.