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EvidInvest Supply Chain Intelligence

United Microelectronics Corporation (UMC)

UMC · Other

$19.45
Price
$49.0B
Market cap
25
Mapped relationships
24
Cited with sources

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

UMC valuation →

Suppliers

Companies that supply United Microelectronics Corporation (UMC), from incoming 'supplies' edges and disclosed customer-of relationships.

Broadcom Inc.AVGO

Chip Designers · Supplies

cited
“patent cross-licenses with major technology companies, including a number of leading international semiconductor companies, such as IBM and AVAGO.”
SEC 20-F 0001193125-25-092142Valuation →

China Development Bank-led syndicate (and 6 others)

Other · Supplies

cited
“Secured Syndicated Loans from China Development Bank and 6 others”
SEC 20-F 0001193125-25-092142

Fengmiao I Offshore Wind Farm (Copenhagen Infrastructure Partners — Copenhagen Infrastructure V)

Other · Supplies

cited
“On December 18, 2024, we entered into a corporate power purchase agreement ('CPPA') with Fengmiao I Offshore Wind Farm ('Fengmiao I'), developed by Copenhagen Infrastructure Partners' flagship fund, Copenhagen Infrastructure V.”
SEC 20-F 0001193125-25-092142

Formosa Sumco Technology Corporation3532.TW

Other · Supplies

cited
“Sumco Group (including Sumco Corporation and Formosa Sumco Technology Corporation)”
SEC 20-F 0001193125-25-092142

GlobalWafers6488.TWO

Other · Supplies

cited
“we purchased a majority of our silicon wafers from Shin-Etsu Handotai Corporation, or Shin-Etsu, GlobalWafers, Sumco Group...”
SEC 20-F 0001193125-25-092142

IBM CloudIBM

Hyperscalers / Cloud · Supplies

cited
“We have entered into various patent cross-licenses with major technology companies, including a number of leading international semiconductor companies, such as IBM and AVAGO.”
SEC 20-F 0001193125-25-092142Valuation →

Shin-Etsu Handotai Corporation4063.T

Other · Supplies

cited
“we purchased a majority of our silicon wafers from Shin-Etsu Handotai Corporation, or Shin-Etsu, GlobalWafers, Sumco Group (including Sumco Corporation and Formosa Sumco Technology Corporation) and Soitec.”
SEC 20-F 0001193125-25-092142

Siliconware Precision Industries Ltd. (SPIL)

Other · Supplies

cited
“We outsource assembly and test services to leading assembly and test service providers, including Siliconware Precision Industries Co., Ltd., or Siliconware, and Advanced Semiconductor Engineering Inc. in Taiwan.”
SEC 20-F 0001193125-25-092142

Soitec S.A.SOI.PA

Other · Supplies

cited
“we purchased a majority of our silicon wafers from Shin-Etsu Handotai Corporation, or Shin-Etsu, GlobalWafers, Sumco Group... and Soitec.”
SEC 20-F 0001193125-25-092142

Sumco Corporation3436.T

Other · Supplies

cited
“Sumco Group (including Sumco Corporation and Formosa Sumco Technology Corporation)”
SEC 20-F 0001193125-25-092142

Taiwan Power Company (Taipower)

Other · Supplies

cited
“We also use substantial amounts of dual loop electricity supplied by Taiwan Power Company in the manufacturing process.”
SEC 20-F 0001193125-25-092142

Customers

Companies that buy from United Microelectronics Corporation (UMC), from outgoing 'supplies' edges and disclosed customer-of relationships.

Advanced Micro DevicesAMD

Chip Designers · Supplied by

cited
“we utilize TSMC, United Microelectronics Corporation (UMC) and Samsung Electronics Co., Ltd. for the production of our ICs in the form of programmable logic devices.”
SEC 10-K 0000002488-26-000018Valuation →

Customer A (undisclosed wafer-fab segment customer)

Other · Customer of

cited
“Our largest customer from our wafer fabrication segment accounted for 8.6%, 13.1% and 10.4% of our operating revenues in 2022, 2023 and 2024, respectively.”
SEC 20-F 0001193125-25-092142

DENSO Corporation6902.T

Other · Customer of

cited
“DENSO Corporation, or DENSO, a leading mobility supplier, and USJC announced that the companies have agreed to collaborate on the production of power semiconductors at USJC's 300mm fab”
SEC 20-F 0001193125-25-092142

Infineon Technologies AGIFNNY

Other · Supplied by

cited
“We have established foundry relationships with United Microelectronics Corporation (UMC) for 130-nanometer, 90-nanometer and 65-nanometer manufacturing.”
SEC 20-F 0000950123-09-069073Valuation →

Intel CorporationINTC

Chip Designers · Customer of

cited
“On January 25, 2024, we entered into a collaboration with Intel Corporation for the purpose of developing a 12nm semiconductor process platform... we currently expect production of 12nm products in 2027.”
SEC 20-F 0001193125-25-092142Valuation →

Intel Foundry ServicesINTC

Foundry · Supplied by

cited
“In 2024, we announced a strategic collaboration with UMC to develop a 12 nm process platform that expands our mature-node process portfolio and strengthens our U.S.-based manufacturing foundry capabilities, with production expected to begin in 2027.”
SEC 10-K 0000050863-26-000011Valuation →

MediaTekTPE:2454

Chip Designers · Customer of

cited
“Our primary customers, in terms of our sales revenues, include premier integrated device manufacturers, such as Texas Instruments and Intel, plus leading fabless design companies, such as MediaTek, Realtek and Novatek.”
SEC 20-F 0001193125-25-092142

Novatek Microelectronics Corp.3034.TW

Other · Customer of

cited
“leading fabless design companies, such as MediaTek, Realtek and Novatek.”
SEC 20-F 0001193125-25-092142

Realtek2379.TW

Other · Customer of

cited
“leading fabless design companies, such as MediaTek, Realtek and Novatek.”
SEC 20-F 0001193125-25-092142

Texas InstrumentsTXN

Other · Customer of

cited
“Our primary customers... include premier integrated device manufacturers, such as Texas Instruments and Intel”
SEC 20-F 0001193125-25-092142Valuation →

Top 10 customers (aggregate)

Other · Customer of

cited
“Our top ten customers accounted for 52.4%, 62.0% and 55.6% of our operating revenues in 2022, 2023 and 2024, respectively.”
SEC 20-F 0001193125-25-092142

Other relationships

Partnerships, IP licensing, competition, investments, and manufacturing relationships.

Monolithic Power SystemsMPWR

Chip Designers · Fabs chips for

inferred
“Fabless PMIC designer using specialty/BCD foundry capacity (industry research, Jun 2026)”
industry reportValuation →
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