# SK텔레콤 (017670.KS)
> SK텔레콤은 한국 최대 이동통신 사업자로, 5G 가입자가 전체의 75%를 넘는 통신 본업 위에 AI 데이터센터, GPU 클라우드(GPUaaS), 자체 AI 비서 에이닷을 얹어 AI 인프라 기업으로의 전환을 추진한다. SK그룹 계열사로서 SK하이닉스 HBM, 엔비디아 GPU로 이어지는 AI 밸류체인의 국내 접점이다. 순수 소비재와 달리 통신이 AI 사슬로 연결되는 구조다.
Canonical: https://valuechain.wiki/sk-telecom · Updated: 2026-07-12T04:12:17.176+00:00 · Source: ValueChain.wiki (refined facts, cited)

**인용용 요약**: 밸류체인 그래프 기준 SK텔레콤의 직접 연결 기업은 2곳(관계 기준 공급 2·매출 0)이고, 사슬을 2차까지 넓히면 35곳에 닿는다. 링크의 근거 출처는 3건이며 그중 1차공시가 1건이다 (valuechain.wiki, 2026-07-12 기준).

## Financials & segments
- 총매출: FY2025 연결 매출 17조0,992억원(-4.7%), 영업이익 1조732억(-41%, 2025 유심해킹 여파). 5G 가입자 75%+.
- 고객 집중도: 통신 본업에 AI 인프라(GPUaaS·SK하이닉스 HBM·엔비디아 GPU)를 얹은 유일한 한국 소비배치 노드. 2025 유심해킹으로 매출 약 8천억 하향.
- 사업부문: 유·무선 통신(MNO), 엔터프라이즈·클라우드, AI 데이터센터·AI, 미디어

## Annual stock return (as of 2026-07-10)
- 2021: +7.9%
- 2022: -12%
- 2023: +15.8%
- 2024: +15.5%
- 2025: +37.5%
- 2026 YTD: +23.4%

## Value-chain annual returns (top→bottom: demand → node → supply; YTD as of 2026-07-10)
| Company | Chain | 2021 | 2022 | 2023 | 2024 | 2025 | YTD |
| --- | --- | --- | --- | --- | --- | --- | --- |
| SK텔레콤 | node | +7.9% | -12% | +15.8% | +15.5% | +37.5% | +23.4% |
| NVIDIA | benef1 | +125.5% | -50.3% | +239% | +171.2% | +38.9% | +13.3% |
| 키옥시아 | benef2 | · | · | · | · | +1082.1% | +260.5% |
| Micron Technology | benef2 | +24.2% | -45.9% | +71.9% | -1% | +240.2% | +243.3% |
| Murata | benef2 | -14% | -11.7% | +24.7% | -16.5% | +29.9% | +217.4% |
| 난야PCB | benef2 | +110.6% | -46.7% | -0.5% | -38.3% | +188.2% | +213.4% |
| ASE테크놀로지 | benef2 | +38.3% | -12.8% | +60.9% | +10.1% | +65.6% | +167.6% |
| Nebius | benef2 | · | · | · | · | +202.2% | +162.4% |
| Astera Labs | benef2 | · | · | · | · | +25.6% | +148.2% |
| Ibiden | benef2 | +30.4% | -19.6% | +51.6% | -38.6% | +261% | +147.1% |
| SK하이닉스 | benef2 | -0.4% | -25.6% | +53.9% | +48.6% | +361.1% | +140.3% |
| 유니마이크론 | benef2 | +133.5% | -30.2% | +35.2% | -19.7% | +175.7% | +131.6% |
| Corning | benef2 | +5.9% | -11.6% | -1.2% | +60.6% | +87.8% | +118.8% |
| Lumentum | benef2 | +11.6% | -50.7% | +0.5% | +60.1% | +339.1% | +117.6% |
| 삼성전자 | benef2 | -9% | -14.2% | +20.9% | -26.4% | +212.9% | +77.9% |
| onsemi | benef2 | +107.5% | -8.2% | +33.9% | -24.5% | -14.1% | +77.2% |
| Coherent | benef2 | -10% | -48.6% | +24% | +117.6% | +94.8% | +75.8% |
| Eoptolink | benef2 | -10.1% | -27.7% | +136.6% | +197% | +368.8% | +74.9% |
| InnoLight | benef2 | -30.7% | -18.3% | +253.7% | +12% | +468.1% | +68.8% |
| Keysight | benef2 | +56.3% | -17.2% | -7% | +1% | +26.5% | +58.5% |
| Delta Electronics | benef2 | -3.4% | +10.4% | -0.3% | +59.2% | +183.8% | +54.9% |
| Monolithic Power | benef2 | +35.5% | -27.8% | +79.8% | -5.6% | +54.5% | +49.8% |
| Analog Devices | benef2 | +21% | -4.9% | +23.4% | +8.8% | +29.8% | +46.7% |
| TSMC | benef2 | +12.1% | -36.7% | +42.3% | +92.6% | +55.9% | +43.6% |
| ABB | benef2 | +23.9% | +7.3% | +18.9% | +39% | +36.1% | +27.2% |
| 페가트론 | benef2 | -5.9% | +0.6% | +35.3% | +21.2% | -23.8% | +24% |
| Luxshare | benef2 | -11.9% | -30.2% | -21.2% | +58.8% | +29.3% | +20.6% |
| Digital Realty | benef2 | +30.7% | -41% | +39.9% | +35.9% | -10.1% | +18.2% |
| Amphenol | benef2 | +34.9% | -12% | +31.5% | +41.3% | +96.1% | +18.1% |
| 위스트론 | benef2 | +7.9% | +9.7% | +272.7% | -1.6% | +22.7% | +14.8% |
| KYEC | benef2 | +26.7% | -7.7% | +132.4% | +38.6% | +171% | +4.2% |
| BlackRock | benef2 | +29.4% | -20.4% | +17.9% | +29.3% | +6.6% | -2.1% |
| TE Connectivity | benef2 | +35.1% | -27.7% | +24.6% | +3.5% | +61.1% | -11.3% |
| Recursion Pharmaceuticals | benef2 | · | -55% | +27.9% | -31.4% | -39.5% | -13% |
| BYD일렉트로닉스 | benef2 | -56.1% | +16% | -0.4% | +60.6% | -19.4% | -34.4% |
| 삼성전기 | benef3 | -11.8% | -18.5% | -1.4% | -2.5% | +110% | +467.7% |
| 주성엔지니어링 | benef3 | +127.9% | -42.6% | +173.3% | -3.1% | +30.7% | +364.1% |
| 섬코 | benef3 | -4.3% | -3.9% | +21.3% | -48.1% | +41.7% | +225.8% |
| 피에스케이 | benef3 | +22.7% | -19.6% | +14.2% | -2.6% | +228.2% | +208% |
| LG이노텍 | benef3 | +78.2% | -22% | -28.8% | -22.1% | +66.8% | +204.6% |
| Arm Holdings | benef3 | · | · | · | +64.2% | -11.4% | +195.8% |
| GlobalWafers | benef3 | +26.9% | -29.9% | +14.3% | -39% | +48.9% | +171.6% |
| ACM Research | benef3 | +4.9% | -72.9% | +153.4% | -22.7% | +161.3% | +161.1% |
| AMD | benef3 | +56.9% | -55% | +127.6% | -18.1% | +77.3% | +160.5% |
| Kulicke & Soffa | benef3 | +92.4% | -25.8% | +25.5% | -13.2% | -0.3% | +150.1% |
| 코후 | benef3 | -0.2% | -15.9% | +10.4% | -24.6% | -12.8% | +141.4% |
| 어플라이드 머티어리얼즈 | benef3 | +83.6% | -37.5% | +68% | +1.1% | +59.6% | +135% |
| 미디어텍 | benef3 | +27.8% | -26.6% | +52.9% | +58.3% | +24.9% | +124.3% |
| Arteris | benef3 | · | -79.6% | +37% | +73% | +52.1% | +124.3% |
| FormFactor | benef3 | +6.3% | -51.4% | +87.6% | +5.5% | +26.8% | +110.7% |
| 케이씨텍 | benef3 | -24.2% | -6.1% | +57.9% | +5.9% | +56.7% | +108.1% |
| 램리서치 | benef3 | +53.7% | -40.7% | +88.6% | -6.8% | +139.2% | +105% |
| JCET | benef3 | -34% | +0.2% | -15.2% | +73.3% | +28% | +104.6% |
| Onto Innovation | benef3 | +112.9% | -32.7% | +124.6% | +9% | -5.3% | +103.6% |
| 심텍 | benef3 | +119.6% | -34.6% | +12.4% | -63.3% | +392.9% | +94.9% |
| 대덕전자 | benef3 | +64.2% | -0.3% | +13.3% | -22.7% | +250.2% | +92.1% |
| KLA | benef3 | +68% | -11.2% | +56% | +9.4% | +94.5% | +91% |
| Tower Semiconductor | benef3 | +53.7% | +8.9% | -29.4% | +68.8% | +128% | +89.7% |
| SCREEN Holdings | benef3 | +40.7% | -13.2% | +220.1% | -24.1% | +84.9% | +86.3% |
| Teradyne | benef3 | +36.8% | -46.3% | +24.8% | +16.5% | +54.4% | +85.9% |
| ASMPT | benef3 | -29% | -12.4% | +21.8% | -4.8% | +47.6% | +82% |
| Resonac | benef3 | -2.6% | -4% | +37.5% | +30.3% | +137.9% | +80.4% |
| MACOM | benef3 | +42.3% | -19.6% | +47.6% | +39.8% | +31.8% | +80.1% |
| 도쿄일렉트론 | benef3 | +40.4% | -14.5% | +89.8% | -4.4% | +61.6% | +78.2% |
| 퀴니티 일렉트로닉스 | benef3 | · | · | · | · | · | +76.3% |
| Entegris | benef3 | +44.6% | -52.5% | +83.5% | -17.1% | -14.6% | +72.8% |
| Kokusai Electric | benef3 | · | · | · | -35.4% | +165.3% | +70% |
| ASML | benef3 | +64.1% | -30.5% | +39.9% | -7.7% | +55.8% | +68.6% |
| Global Unichip | benef3 | +21.4% | +67.6% | +99.4% | -13.7% | +101.4% | +66.4% |
| Ajinomoto | benef3 | +31% | +36% | +44.5% | +4% | +14.1% | +63.7% |
| 후성 | benef3 | +59.9% | -33.5% | -34.5% | -39.1% | +67.4% | +62.2% |
| BESI | benef3 | +33.7% | -6.1% | +121.8% | -9.3% | +35% | +56.2% |
| Fujimi | benef3 | +64.7% | -1.6% | +40.4% | -24.2% | +28.4% | +54.6% |
| 유진테크 | benef3 | +28.1% | -45.1% | +64.1% | -12.6% | +202.5% | +49.5% |
| Montage Technology | benef3 | -18.2% | -21.8% | -18% | +51.4% | +169% | +47.4% |
| 기가바이트 | benef3 | +82.3% | -3.4% | +173.2% | -15.9% | -4.7% | +44.4% |
| 신에쓰화학 | benef3 | +6.3% | +3.1% | +57.8% | -15.6% | +7.6% | +44% |
| 삼성E&A | benef3 | +74.5% | +20% | -13.7% | -15.9% | +76.7% | +43.2% |
| Tokyo Ohka Kogyo | benef3 | -2.7% | -3% | +63.8% | +4.3% | +111.5% | +42.9% |
| Camtek | benef3 | +110.1% | -52.3% | +215.9% | +18.3% | +31.7% | +35.2% |
| Ebara | benef3 | +58.1% | +2.3% | +76.1% | +41% | +84% | +32.3% |
| ASM International | benef3 | +44.2% | +2.9% | +68.7% | +10.3% | +25.9% | +28.8% |
| 파워텍 (PTI) | benef3 | +4.8% | -7.5% | +86% | -16% | +128.6% | +26% |
| Linde | benef3 | +33.4% | -4.4% | +27.7% | +3.2% | +3.2% | +25.1% |
| CoreWeave | benef3 | · | · | · | · | · | +24.1% |
| 에어프로덕츠 | benef3 | +13.8% | +3.9% | -9% | +8.1% | -12.7% | +23.7% |
| Cadence Design Systems | benef3 | +36.6% | -13.8% | +69.6% | +10.3% | +4% | +22.9% |
| Lasertec | benef3 | +78.9% | +2.4% | +57% | -60.6% | +138.9% | +22.4% |
| 미쓰비시전기 | benef3 | -8.1% | +2.5% | +58.7% | +19.1% | +91% | +21.3% |
| Advantest | benef3 | +17% | -2.3% | +155.7% | +49.5% | +196% | +17.1% |
| 스미토모화학 | benef3 | +19.6% | -9.1% | -27.7% | -2.2% | +43.9% | +16% |
| Broadcom | benef3 | +56.5% | -13.3% | +104.2% | +110.5% | +50.6% | +16% |
| 네패스 | benef3 | -29.5% | -44% | +6.7% | -62.7% | +179.2% | +15.1% |
| 알파벳 (구글) | benef3 | +65.3% | -39.1% | +58.3% | +36% | +66% | +14.3% |
| Merck KGaA | benef3 | +42.2% | -0.4% | -19.1% | -2.5% | -12.7% | +13.5% |
| Air Liquide | benef3 | +14.1% | +7.9% | +20.9% | +8.5% | -4.8% | +12.5% |
| 디스코 | benef3 | -6.6% | +27.7% | +218.5% | +11.6% | +49.6% | +10.2% |
| 원익QnC | benef3 | +26.2% | +2% | +11.9% | -33.7% | +53.4% | +9.3% |
| 원익IPS | benef3 | -19.7% | -19.8% | -0.2% | -25.5% | +408.8% | +9.3% |
| Siemens Energy | benef3 | -35.4% | -2.7% | -27% | +314.2% | +149.9% | +5.7% |
| 한미반도체 | benef3 | +98.5% | -21.7% | +313.1% | +93.7% | +87.9% | +5.5% |
| 하나마이크론 | benef3 | +109% | -41% | +143.5% | -52.4% | +269.3% | +5.3% |
| Fabrinet | benef3 | +52.7% | +8.2% | +48.4% | +15.5% | +107.1% | +3.5% |
| 소프트뱅크그룹 | benef3 | +10.2% | +9.9% | +39.2% | +6.5% | +8.5% | +3.2% |
| 코보 | benef3 | -5.9% | -42% | +24.2% | -37.9% | +20.8% | +1.5% |
| 이오테크닉스 | benef3 | +7.6% | -28.2% | +130.5% | -16.2% | +163.2% | +0.7% |
| 아이에스시 | benef3 | +43.2% | +14.2% | +116.5% | -11.9% | +126.8% | +0.3% |
| HD Hyundai Electric | benef3 | +4.2% | +132.5% | +159.4% | +300.5% | +120.2% | -3.7% |
| HPSP | benef3 | · | · | +216.5% | -30.4% | +54.7% | -4.5% |
| Synopsys | benef3 | +42.1% | -13.4% | +61.3% | -5.7% | -3.2% | -5.2% |
| 캐논 | benef3 | +22.5% | +11.1% | +46.4% | +27% | -3.2% | -5.6% |
| LG디스플레이 | benef3 | -6.8% | -30.9% | -8.5% | -20.6% | +26.2% | -5.7% |
| Photronics | benef3 | +68.9% | -10.7% | +86.4% | -24.9% | +35.8% | -6.6% |
| 파크시스템스 | benef3 | +25.1% | +1.6% | +41.6% | +37.3% | +28.9% | -11.2% |
| BYD | benef3 | -6.5% | +10.5% | -28.5% | +58.9% | +8.7% | -12.7% |
| 하나머티리얼즈 | benef3 | +106% | -30.5% | +26.1% | -47.4% | +173.9% | -15.7% |
| 동진쎄미켐 | benef3 | +28.1% | -13.7% | +16.1% | -42.8% | +160.1% | -15.8% |
| 마이크로소프트 | benef3 | +52.5% | -28% | +58.2% | +12.9% | +15.6% | -20% |
| 유니테스트 | benef3 | +23.4% | -57.8% | +11.3% | -1.6% | +6.8% | -24.8% |
| Oracle | benef3 | +36.9% | -4.6% | +30.9% | +60% | +18.1% | -27.4% |
| 이엔에프테크놀로지 | benef3 | -32.9% | -23.6% | +1.3% | -16.1% | +204.6% | -28.4% |
| 리노공업 | benef3 | +21% | -5.3% | +18.3% | +9.5% | +150.1% | -30.3% |
| SFA반도체 | benef3 | -5.8% | -34.1% | +48.7% | -48.7% | +139.8% | -31.8% |
| 솔브레인 | benef3 | -8.2% | -3.9% | +16.6% | -37.6% | +192.8% | -35.9% |
| 에스앤에스텍 | benef3 | -17.3% | -5% | +45.8% | -31.2% | +210.8% | -47.5% |

SK텔레콤의 논점은 '고배당 통신 현금원 위에 AI 인프라를 얹는 전환'이다. 5G 75%+의 통신 본업이 저변동 현금흐름을 대는 가운데, GPUaaS(엔비디아 H100/H200)·AI 데이터센터·에이닷으로 SK그룹 AI 밸류체인(SK하이닉스 HBM→엔비디아 GPU)의 국내 접점을 자처한다 — 순수 소비재와 달리 통신이 AI 사슬로 연결되는 유일한 국내 노드다. 다만 2025년 유심해킹 여파로 영업이익이 -41% 급감(매출 약 8천억 하향)해 본업 신뢰 회복이 선결과제이고, AI 전환은 아직 매출 기여가 작은 옵션 단계다. 관전 포인트는 GPUaaS·울산 AI DC의 매출화 속도와 가입자·마진 안정이다. (analysis as of 2026-07-10)

## Money in · revenue from (2)
### 이동통신 가입자 (MNO) (high)
- metric: 매출 17.1조원 · FY2025 · 연결 매출
- note: 유무선 통신 본업 — 5G 가입자 75%+. 고배당·저변동 현금흐름의 축.
- [confirms] DART 전자공시 (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000532: "FY2025 연결 매출 17조0,992억원(유심해킹 여파 -4.7%)."

### 엔터프라이즈·AI 데이터센터 (GPUaaS) (mid)
- note: 엔터프라이즈·클라우드(+30%)와 AI 데이터센터(GPUaaS·에이닷). 통신을 AI 인프라로 확장.
- [confirms] 코리아헤럴드 (EN, news, published 2025-01-13) https://www.koreaherald.com/article/10389109: "가산 AI DC에서 GPUaaS 운영, 랙당 44kW(전국 평균의 9배)."

## Money out · pays to (3)
### NVIDIA (high)  → /nvidia.md
- note: GPUaaS를 엔비디아 H100 기반으로 출시하고 H200을 국내 최초 도입. SK그룹 AI Factory에 엔비디아 GPU 5만+기, 울산 AI DC 1GW급 확장. SKT는 엔비디아 클라우드 파트너.
- [confirms] DART 전자공시 (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000532: "AI 데이터센터 매출 3,974억원(+13.1%), GPUaaS 신규 투자."
- [confirms] 코리아헤럴드 (EN, news, published 2025-01-13) https://www.koreaherald.com/article/10389109: "SKT의 GPUaaS는 엔비디아 H100 기반이며, H200을 국내 최초로 1분기 도입할 계획."

### 주파수·네트워크 설비 (비공개) (mid)
- note: 주파수 이용대가와 기지국·네트워크 설비투자.
- [confirms] DART 전자공시 (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000532: "네트워크 설비투자·주파수 비용."

### SK하이닉스 (mid)  → /sk-hynix.md
- note: SK그룹 계열 협력 — 2025-01 CES에서 SK하이닉스·펭귄솔루션즈와 AI 데이터센터 공동 R&D 협약, SKT 판교 AI DC 테스트베드에 SK하이닉스 HBM 탑재(지분 관계 아님, SK하이닉스 최대주주는 SK스퀘어).
- [confirms] SK하이닉스 (EN, ir, published 2025-01-10) https://news.skhynix.com/sk-hynix-partners-with-skt-and-penguin-solutions-to-drive-ai-data-center-business/: "SK hynix signed an agreement with SK Telecom and Penguin Solutions to promote joint R&D and business of AI data center solutions."

## 질문별 엔드포인트
- 누가 SK텔레콤의 고객인가? SK텔레콤의 매출은 어디서 오는가? → https://valuechain.wiki/sk-telecom/customers.md
- SK텔레콤의 주요 공급사는 어디인가? SK텔레콤의 비용은 누구에게 가는가? → https://valuechain.wiki/sk-telecom/suppliers.md
- SK텔레콤 주가가 움직이면 누가 수혜를 보는가? SK텔레콤의 가치사슬 파급은 어디까지인가? → https://valuechain.wiki/sk-telecom/ripple.md
- 증권가가 보는 SK텔레콤: 목표주가와 투자의견은? → https://valuechain.wiki/sk-telecom/consensus.md

## 이 노드를 다룬 분석 (3)
- [자산을 AI 인프라로 돌리면 시계가 바뀐다: 채굴장과 통신사의 전환](https://valuechain.wiki/analysis/assets-turned-ai-infrastructure.md) (2026-07-09)
- [소비는 한 시계로 돌지 않는다: 방어·재량·럭셔리의 분기](https://valuechain.wiki/analysis/staples-up-luxury-down.md) (2026-07-05)
- [아직 안 온 시계와 가장 세게 돈 시계: 사실로 본 지금의 위치](https://valuechain.wiki/analysis/clocks-not-run-clocks-that-ran.md) (2026-07-05)

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_Generated for LLM/agent consumption. Each edge lists stance (confirms/mentions/contradicts), source publisher, language, date, and excerpt for verification._