United Microelectronics Shares Outstanding 2012-2026 | UMC

United Microelectronics shares outstanding history from 2012 to 2026. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
  • United Microelectronics shares outstanding for the quarter ending March 31, 2026 were 2.517B, a 0.03% increase year-over-year.
  • United Microelectronics 2025 shares outstanding were 2.521B, a 1.96% increase from 2024.
  • United Microelectronics 2024 shares outstanding were 2.473B, a 1.87% increase from 2023.
  • United Microelectronics 2023 shares outstanding were 2.428B, a 2.82% decline from 2022.
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United Microelectronics Annual Shares Outstanding
(Millions of Shares)
2025 2,521
2024 2,473
2023 2,428
2022 2,498
2021 2,449
2020 2,450
2019 2,590
2018 2,654
2017 2,399
2016 2,670
2015 2,634
2014 2,499
2013 2,502
2012 2,505
2011 2,514
United Microelectronics Quarterly Shares Outstanding
(Millions of Shares)
2026-03-31 2,517
2025-12-31 2,469
2025-09-30 2,511
2025-06-30 2,507
2025-03-31 2,516
2024-12-31 2,473
2024-09-30 2,484
2024-06-30 2,506
2024-03-31 2,516
2023-12-31 2,428
2023-09-30 2,513
2023-06-30 2,505
2023-03-31 2,519
2022-12-31 2,498
2022-09-30 2,527
2022-06-30 2,511
2022-03-31 2,507
2021-12-31 2,449
2021-09-30 2,482
2021-06-30 2,477
2021-03-31 2,476
2020-12-31 2,450
2020-09-30 2,436
2020-06-30 2,398
2020-03-31 2,618
2019-12-31 2,590
2019-09-30 2,610
2019-06-30 2,616
2019-03-31 2,382
2018-12-31 2,654
2018-09-30 2,420
2018-06-30 13,269
2018-03-31 2,441
2017-09-30 2,688
2017-06-30 2,677
2017-03-31 2,442
2016-12-31 2,670
2016-09-30 2,680
2016-06-30 2,692
2016-03-31 2,498
2015-12-31 2,526
2015-09-30 2,505
2015-06-30 2,483
2015-03-31 2,505
2014-12-31 2,502
2014-09-30 2,237
2014-06-30 2,489
2014-03-31 2,496
2013-12-31 2,495
2013-09-30 2,492
2013-06-30 2,400
2013-03-31 2,526
2012-12-31 2,500
2012-09-30 2,563
2012-06-30 2,500
2012-03-31 2,383
2011-12-31 2,600
2011-09-30 2,466
2011-06-30 2,467
Sector Industry Market Cap Revenue
Computer and Technology Semiconductors $24.468B $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.
Stock Name Country Market Cap PE Ratio
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Applied Materials (AMAT) United States $317.039B 42.41
ARM Holdings (ARM) United Kingdom $157.347B 158.44
QUALCOMM (QCOM) United States $136.640B 12.81
Marvell Technology (MRVL) United States $112.359B 57.11
Infineon Technologies AG (IFNNY) Germany $61.677B 30.99
ASE Technology Holding (ASX) Taiwan $55.097B 42.83
Qnity Electronics (Q) United States $27.382B 0.00
GlobalFoundries (GFS) United States $27.226B 34.46
Tower Semiconductor (TSEM) Israel $22.894B 105.49
Credo Technology (CRDO) Cayman Islands $22.058B 66.44
Entegris (ENTG) United States $20.569B 49.21
Nova (NVMI) Israel $15.766B 61.47
Lattice Semiconductor (LSCC) United States $14.522B 392.96
Amkor Technology (AMKR) United States $14.363B 38.38
Rambus (RMBS) United States $11.945B 54.14
Applied Optoelectronics (AAOI) United States $11.325B 0.00
FormFactor (FORM) United States $9.651B 145.65
Rohm (ROHCY) Japan $8.690B 0.00
Cirrus Logic (CRUS) United States $8.161B 20.78
Allegro MicroSystems (ALGM) United States $6.948B 170.46
Diodes (DIOD) United States $3.822B 68.09
NLight (LASR) United States $3.647B 0.00
AXT Inc (AXTI) United States $3.567B 0.00
Impinj (PI) United States $3.070B 216.04
Synaptics (SYNA) United States $2.858B 45.28
Soitec SA (SLOIF) France $2.651B 0.00
Ambarella (AMBA) United States $2.311B 0.00
Navitas Semiconductor (NVTS) United States $2.202B 0.00
Ichor Holdings (ICHR) United States $1.998B 0.00
Himax Technologies (HIMX) Taiwan $1.606B 35.98
SkyWater Technology (SKYT) United States $1.415B 0.00
Ams-OSRAM AG (AMSSY) Austria $1.336B 19.68
POET Technologies (POET) Canada $0.929B 0.00
Alpha And Omega Semiconductor (AOSL) United States $0.773B 0.00
Indie Semiconductor (INDI) United States $0.651B 0.00
Ambiq Micro (AMBQ) United States $0.613B 0.00
IQE (IQEPF) United Kingdom $0.493B 0.00
SEALSQ (LAES) Switzerland $0.405B 0.00
NVE (NVEC) United States $0.371B 26.24
Silvaco (SVCO) United States $0.228B 0.00
Atomera (ATOM) United States $0.197B 0.00
QuickLogic (QUIK) United States $0.197B 0.00
Aeluma (ALMU) United States $0.194B 0.00
Quantum-Si (QSI) United States $0.160B 0.00
Coda Octopus Group (CODA) United States $0.138B 33.94
Valens Semiconductor (VLN) Israel $0.137B 0.00
GCT Semiconductor Holding (GCTS) United States $0.093B 0.00
Nano Labs (NA) China $0.091B 0.00
Sono-Tek (SOTK) United States $0.062B 39.50
Sequans Communications S.A (SQNS) France $0.037B 0.00
Pixelworks (PXLW) United States $0.035B 0.00
Mobix Labs (MOBX) United States $0.025B 0.00
Semilux (SELX) Taiwan $0.016B 0.00
SemiLEDS (LEDS) Taiwan $0.011B 0.00
SmartKem (SMTK) United Kingdom $0.003B 0.00