UNITED MICROELECTRON-SP ADR (UMC) Institutional Ownership Changes & 13F Activity

UNITED MICROELECTRON-SP ADR (UMC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Sequoia Financial Advisors, Renaissance Technologies LLC, and Causeway Capital Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Sequoia Financial AdvisorsBuy9,057207,053$1,859,337
Q4 2025Sequoia Financial AdvisorsBuy15,855197,996$1,556,250
Q3 2025Sequoia Financial AdvisorsBuy5,538182,141$1,380,630
Q2 2025Sequoia Financial AdvisorsBuy40,153176,603$1,351,013
Q1 2025Sequoia Financial AdvisorsBuy37,105136,450$975,621
Q4 2024Renaissance Technologies LLCBuy1,641,1841,967,384$12,768,322
Q4 2024Sequoia Financial AdvisorsSell-4,56299,345$644,750
Q3 2024Sequoia Financial AdvisorsBuy1,701103,907$874,897
Q2 2024Sequoia Financial AdvisorsBuy1,333102,206$895,325
Q1 2024Renaissance Technologies LLCSell-2,319,650326,200$2,639
Q1 2024Causeway Capital ManagementSell-162,03058,748$475,271
Q1 2024Sequoia Financial AdvisorsBuy34100,873$816,063
Q4 2023Renaissance Technologies LLCSell-1,332,7002,645,850$22,384
Q4 2023Sequoia Financial AdvisorsBuy2,246100,839$853,099
Q3 2023Renaissance Technologies LLCSell-423,9003,978,550$28,089
Q3 2023Sequoia Financial AdvisorsBuy7,60598,593$696,067
Q2 2023Renaissance Technologies LLCSell-232,8844,402,450$34,735
Q2 2023Causeway Capital ManagementBuy105,549220,778$1,741,938
Q2 2023Sequoia Financial AdvisorsBuy5,85490,988$717,895
Q1 2023Renaissance Technologies LLCSell-3,951,9004,635,334$40,606
Q1 2023Causeway Capital ManagementSell-25,916115,229$1,009,406
Q1 2023Sequoia Financial AdvisorsBuy1,57485,134$745,774
Q4 2022Renaissance Technologies LLCBuy3,184,2008,587,234$56,075
Q4 2022Sequoia Financial AdvisorsBuy36,57883,560$545,647
Q4 2022Causeway Capital ManagementSell-30,954141,145$921,677
Q3 2022Renaissance Technologies LLCBuy2,064,7845,403,034$30,095
Q3 2022Sequoia Financial AdvisorsBuy5,72646,982$262
Q2 2022Renaissance Technologies LLCSell-72,7003,338,250$22,600
Q2 2022Sequoia Financial AdvisorsSell-56441,256$279
Q1 2022Renaissance Technologies LLCSell-905,5843,410,950$31,108

Frequently asked questions about UMC activity

  • Which institutional owners are buying UMC?

    Institutional owners buying UMC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in UMC activity?

    "Buy" means an investor increased their reported position in UMC compared to the prior reporting period. This reflects growing exposure to UNITED MICROELECTRON-SP ADR (UMC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in UMC increasing?

    Institutional interest in UMC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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