InvestorLens

UMC — UNITED MICROELECTRONICS CORP

Public company

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About UNITED MICROELECTRONICS CORP (UMC)

UNITED MICROELECTRONICS CORP (UMC) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $17M. Across recent filings, tracked investors recorded 1 new positions, 0 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in UMC

100
/100
Strong Institutional Accumulation
Added / Increased1
Reduced0
Exited0
BearishBullish
Crowded Trade Score™

How many top investors track UMC

20
/100
Emerging Interest
3investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

UMC Ownership Composition

How UNITED MICROELECTRONICS CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
100% of tracked value
Institutions
3
tracked investors
Total Reported
$27.4M
combined 13F value
Sectors1
  • Other100.0%
Other(3)
100.0%

Tracked investors reporting UMC

  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    1.9M
    Value
    $16.6M
    % Portfolio
    0.01%
  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    1.1M
    Value
    $9.5M
    % Portfolio
    0.00%
  • Ray DalioMar 31, 2026
    Bridgewater Associates
    Shares
    134K
    Value
    $1.2M
    % Portfolio
    0.01%

Recent activity

Frequently asked questions

How many institutional investors hold UMC?
3 tracked institutional investors disclosed a position in UMC (UNITED MICROELECTRONICS CORP) in their most recent 13F filing.
Who is the largest institutional holder of UMC?
Izzy Englander, Millennium Management, holds the largest disclosed position in UMC, valued at $17M.
Did institutional ownership of UMC increase or decrease?
Across recent 13F filings, tracked investors recorded 1 new positions, 0 increased, 0 reduced, and 0 fully exited UMC.
Where does this UMC ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
UMC (UNITED MICROELECTRONICS CORP) — Institutional Holders — InvestorLens