United Microelectronics - 15 Year Stock Price History | UMC
Historical daily share price chart and data for United Microelectronics since 2011 adjusted for splits and dividends. The latest closing stock price for United Microelectronics as of September 16, 2026 is 22.53.
- The all-time high United Microelectronics stock closing price was 27.53 on June 24, 2026.
- The United Microelectronics 52-week high stock price is 28.96, which is 28.5% above the current share price.
- The United Microelectronics 52-week low stock price is 6.90, which is 69.4% below the current share price.
- The average United Microelectronics stock price for the last 52 weeks is 13.31.
| United Microelectronics Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 15.5138 | 7.7045 | 27.5257 | 7.6357 | 22.5300 | 191.68% |
| 2025 | 6.8161 | 6.0354 | 7.9894 | 5.2590 | 7.7241 | 28.77% |
| 2024 | 7.1337 | 7.2488 | 8.2166 | 5.8598 | 5.9984 | -19.01% |
| 2023 | 6.5909 | 5.3860 | 7.5815 | 5.3697 | 7.4064 | 39.20% |
| 2022 | 6.1468 | 8.8693 | 8.9074 | 4.3674 | 5.3208 | -40.32% |
| 2021 | 7.6026 | 5.9173 | 9.5550 | 5.9173 | 8.9150 | 43.15% |
| 2020 | 2.7838 | 1.9044 | 6.6782 | 1.4968 | 6.2276 | 230.67% |
| 2019 | 1.4543 | 1.1930 | 1.9676 | 1.1391 | 1.8833 | 56.10% |
| 2018 | 1.6239 | 1.5760 | 1.9951 | 1.1054 | 1.2065 | -21.84% |
| 2017 | 1.4161 | 1.1093 | 1.7504 | 1.0968 | 1.5437 | 41.55% |
| 2016 | 1.1606 | 1.0685 | 1.2775 | 0.9909 | 1.0906 | -2.82% |
| 2015 | 1.2112 | 1.2668 | 1.4494 | 0.9611 | 1.1223 | -13.36% |
| 2014 | 1.2128 | 1.1036 | 1.4723 | 1.0870 | 1.2954 | 15.09% |
| 2013 | 1.0969 | 1.0932 | 1.3022 | 0.9485 | 1.1256 | 5.55% |
| 2012 | 1.1690 | 1.1281 | 1.4012 | 0.9378 | 1.0664 | -3.27% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Computer and Technology | Semiconductors | $54.406B | $7.565B |
| UMC specializes in providing foundry services for high performancesemiconductor applications. Its core competency lies in its abilityto produce high yield Integrated Circuit wafers, manufactured on a per-customer basis. The company draws its distinction from industryleading technology. In addition to wafer manufacturing, its customers benefit from services such as extensive IP resources, free-of-charge design libraries, and full front-end and backend support. | |||
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|---|---|---|---|
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| Lam Research (LRCX) | United States | $338.945B | 46.54 |
| Applied Materials (AMAT) | United States | $334.239B | 38.60 |
| ARM Holdings (ARM) | United Kingdom | $258.293B | 262.86 |
| QUALCOMM (QCOM) | United States | $197.234B | 21.24 |
| Marvell Technology (MRVL) | United States | $194.409B | 89.04 |
| ASE Technology Holding (ASX) | Taiwan | $82.974B | 43.16 |
| Infineon Technologies AG (IFNNY) | Germany | $81.658B | 35.81 |
| Credo Technology (CRDO) | Cayman Islands | $28.266B | 50.81 |
| Qnity Electronics (Q) | United States | $23.973B | 27.95 |
| GlobalFoundries (GFS) | United States | $23.457B | 30.11 |
| Tower Semiconductor (TSEM) | Israel | $21.941B | 77.12 |
| Entegris (ENTG) | United States | $19.770B | 40.39 |
| Lattice Semiconductor (LSCC) | United States | $14.590B | 183.60 |
| Amkor Technology (AMKR) | United States | $11.523B | 20.80 |
| Rohm (ROHCY) | Japan | $11.131B | 48.87 |
| Nova (NVMI) | Israel | $10.650B | 39.51 |
| Rambus (RMBS) | United States | $9.014B | 37.10 |
| Applied Optoelectronics (AAOI) | United States | $8.059B | 0.00 |
| FormFactor (FORM) | United States | $7.927B | 56.49 |
| Allegro MicroSystems (ALGM) | United States | $6.200B | 77.35 |
| Cirrus Logic (CRUS) | United States | $6.125B | 14.76 |
| Impinj (PI) | United States | $5.328B | 544.97 |
| Soitec SA (SLOIF) | France | $5.049B | 0.00 |
| Greif (GEF.B) | United States | $4.879B | 26.89 |
| Diodes (DIOD) | United States | $4.157B | 49.06 |
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| AXT Inc (AXTI) | United States | $3.784B | 2885.00 |
| Ambarella (AMBA) | United States | $2.840B | 0.00 |
| Navitas Semiconductor (NVTS) | United States | $2.822B | 0.00 |
| Himax Technologies (HIMX) | Taiwan | $2.306B | 64.18 |
| NLight (LASR) | United States | $2.188B | 0.00 |
| Ams-OSRAM AG (AMSSY) | Austria | $1.965B | 0.00 |
| Ichor Holdings (ICHR) | United States | $1.914B | 567.67 |
| Ambiq Micro (AMBQ) | United States | $1.472B | 0.00 |
| POET Technologies (POET) | Canada | $1.107B | 0.00 |
| Alpha And Omega Semiconductor (AOSL) | United States | $0.749B | 0.00 |
| Indie Semiconductor (INDI) | United States | $0.714B | 0.00 |
| IQE (IQEPF) | United Kingdom | $0.523B | 0.00 |
| NVE (NVEC) | United States | $0.473B | 26.27 |
| SEALSQ (LAES) | Switzerland | $0.444B | 0.00 |
| Aeluma (ALMU) | United States | $0.240B | 0.00 |
| Silvaco (SVCO) | United States | $0.214B | 0.00 |
| QuickLogic (QUIK) | United States | $0.187B | 0.00 |
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| Valens Semiconductor (VLN) | Israel | $0.172B | 0.00 |
| Quantum-Si (QSI) | United States | $0.158B | 0.00 |
| Atomera (ATOM) | United States | $0.150B | 0.00 |
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| Sono-Tek (SOTK) | United States | $0.071B | 34.62 |
| Rubicon Technology (RBCN) | United States | $0.063B | 0.00 |
| Nano Labs (NA) | China | $0.053B | 0.00 |
| Sequans Communications S.A (SQNS) | France | $0.044B | 0.00 |
| SemiLEDS (LEDS) | Taiwan | $0.018B | 0.00 |
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| Semilux (SELX) | Taiwan | $0.016B | 0.00 |
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