Institutional shares held 149 Million
98.6K calls
1.1M puts
Total value of holdings $1.01B
$671K calls
$7.52M puts
Market Cap $17B
2,496,399,872 Shares Out.
Institutional ownership 5.95%
# of Institutions 275


Latest Institutional Activity in UMC

Top Purchases

Q2 2025
Morgan Stanley Shares Held: 21.8M ($149M)
Q2 2025
Maple Rock Capital Partners Inc. Shares Held: 3.14M ($21.4M)
Q2 2025
Rafferty Asset Management, LLC Shares Held: 8.4M ($57.2M)
Q2 2025
Barclays PLC Shares Held: 5.26M ($35.8M)
Q2 2025
Ubs Group Ag Shares Held: 16.9M ($115M)

Top Sells

Q2 2025
Millennium Management LLC Shares Held: 58.8K ($400K)
Q2 2025
Citigroup Inc Shares Held: 3.73M ($25.4M)
Q2 2025
Citadel Advisors LLC Shares Held: 593K ($4.04M)
Q2 2025
Bank Of America Corp Shares Held: 7.04M ($48M)
Q2 2025
Two Sigma Investments, LP Shares Held: 379K ($2.58M)

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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