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 June 30, 2026 were 2.508B, a 0.06% increase year-over-year.
  • United Microelectronics 2025 shares outstanding were 2.469B, a 0.15% decline 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 2,469
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)
2026-06-30 2,508
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
Sector Industry Market Cap Revenue
Computer and Technology Semiconductors $52.291B $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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QUALCOMM (QCOM) United States $177.216B 19.09
Infineon Technologies AG (IFNNY) Germany $86.310B 37.85
ASE Technology Holding (ASX) Taiwan $83.846B 43.62
Credo Technology (CRDO) Cayman Islands $32.059B 57.62
Qnity Electronics (Q) United States $25.203B 29.38
Tower Semiconductor (TSEM) Israel $25.002B 87.88
GlobalFoundries (GFS) United States $24.807B 31.84
Entegris (ENTG) United States $21.158B 43.22
Lattice Semiconductor (LSCC) United States $15.879B 199.83
Rohm (ROHCY) Japan $12.179B 53.47
Amkor Technology (AMKR) United States $11.869B 21.42
Nova (NVMI) Israel $11.826B 43.88
Rambus (RMBS) United States $9.269B 38.15
Applied Optoelectronics (AAOI) United States $8.925B 0.00
FormFactor (FORM) United States $8.100B 57.72
Allegro MicroSystems (ALGM) United States $6.824B 85.14
Cirrus Logic (CRUS) United States $5.674B 13.67
Soitec SA (SLOIF) France $5.413B 0.00
Impinj (PI) United States $5.273B 539.28
Greif (GEF.B) United States $5.015B 0.00
Diodes (DIOD) United States $4.227B 49.89
AXT Inc (AXTI) United States $4.042B 3082.00
Synaptics (SYNA) United States $3.871B 78.56
Navitas Semiconductor (NVTS) United States $3.081B 0.00
Ambarella (AMBA) United States $2.759B 0.00
Himax Technologies (HIMX) Taiwan $2.386B 66.41
NLight (LASR) United States $2.311B 0.00
Ams-OSRAM AG (AMSSY) Austria $2.216B 0.00
Ichor Holdings (ICHR) United States $2.112B 626.44
Ambiq Micro (AMBQ) United States $1.389B 0.00
POET Technologies (POET) Canada $1.216B 0.00
Indie Semiconductor (INDI) United States $0.835B 0.00
Alpha And Omega Semiconductor (AOSL) United States $0.763B 0.00
IQE (IQEPF) United Kingdom $0.643B 0.00
NVE (NVEC) United States $0.486B 26.99
SEALSQ (LAES) Switzerland $0.467B 0.00
Aeluma (ALMU) United States $0.237B 0.00
Silvaco (SVCO) United States $0.222B 0.00
QuickLogic (QUIK) United States $0.197B 0.00
Valens Semiconductor (VLN) Israel $0.185B 0.00
Quantum-Si (QSI) United States $0.168B 0.00
GCT Semiconductor Holding (GCTS) United States $0.163B 0.00
Atomera (ATOM) United States $0.158B 0.00
Coda Octopus Group (CODA) United States $0.115B 23.65
Sono-Tek (SOTK) United States $0.079B 38.62
Rubicon Technology (RBCN) United States $0.059B 0.00
Nano Labs (NA) China $0.053B 0.00
Sequans Communications S.A (SQNS) France $0.042B 0.00
SemiLEDS (LEDS) Taiwan $0.016B 0.00
Mobix Labs (MOBX) United States $0.016B 0.00
Semilux (SELX) Taiwan $0.016B 0.00
SmartKem (SMTK) United Kingdom $0.001B 0.00
SkyWater Technology (SKYT) United States $0.000B 0.00