Institutional shares held 131 Million
280K calls
1.6M puts
Total value of holdings $932M
$2M calls
$11.4M puts
Market Cap $17.8B
2,496,399,872 Shares Out.
Institutional ownership 5.23%
# of Institutions 284


Latest Institutional Activity in UMC

Top Purchases

Q4 2025
Robeco Institutional Asset Management B.V. Shares Held: 245K ($1.75M)
Q4 2025
Frank, Rimerman Advisors LLC Shares Held: 123K ($878K)
Q4 2025
Arta Finance Wealth Management LLC Shares Held: 39.3K ($281K)
Q4 2025
Empirical Financial Services, LLC D.B.A. Empirical Wealth Management Shares Held: 19.9K ($142K)
Q4 2025
Tuttle Capital Management, LLC Shares Held: 13.7K ($97.6K)

Top Sells

Q4 2025
Generali Investments Cee, Investicni Spolecnost, A.S. Shares Held: 101K ($724K)
Q4 2025
Ronald Blue Trust, Inc. Shares Held: 85.5K ($610K)
Q4 2025
Core Cap Advisors, LLC Shares Held: 369 ($2.63K)
Q4 2025
Foster Group, Inc. Shares Held: 39.6K ($282K)
Q4 2025
Prime Capital Investment Advisors, LLC Shares Held: 16.5K ($118K)

About UMC

United Microelectronics Corporation operates as a semiconductor wafer foundry in Taiwan, Singapore, China, Hong Kong, Japan, the United States, Europe, and internationally. The company provides circuit design, mask tooling, wafer fabrication, and assembly and testing services. It serves fabless design companies and integrated device manufacturers. United Microelectronics Corporation was incorporated in 1980 and is headquartered in Hsinchu City, Taiwan.


Insider Transactions at UMC

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
0 Shares
From 0 Insiders
Sell / Disposition
0 Shares
From 0 Insiders

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