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United Microelectronics (UMC) Institutional Ownership

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$22.93 +0.11 (+0.46%)
Closing price 10/9/2026 03:59 PM Eastern
Extended Trading
$22.90 -0.03 (-0.13%)
As of 10/9/2026 08:00 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for United Microelectronics (NYSE:UMC)

Current
Institutional Ownership
Percentage
5.05%
Number of
Institutional Buyers
(last 12 months)
177
Total
Institutional Inflows
(last 12 months)
$316.20M
Number of
Institutional Sellers
(last 12 months)
78
Total
Institutional Outflows
(last 12 months)
$258.09M
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UMC Institutional Buying and Selling by Quarter

United Microelectronics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/9/2026GAMMA Investing LLC14,250$349K0.0%+12.5%0.001%
10/8/2026Farther Finance Advisors LLC23,760$582K0.0%+17.5%0.001%
10/8/2026Artemis Investment Management LLP17,525$429K0.0%-60.6%0.001%
10/8/2026Valeo Financial Advisors LLC12,875$315K0.0%+6.5%0.001%
10/5/2026Ridgewood Investments LLC31,285$766K0.3%-36.4%0.001%
10/5/2026Eastern Bank8,483$208K0.0%+9.9%0.000%
9/23/2026QRG Capital Management Inc.90,673$2.47M0.0%+4.3%0.004%
9/21/2026Altar Rock LLC7,922$216K0.3%N/A0.000%
9/9/2026Sequoia Financial Advisors LLC187,208$5.09M0.0%-9.6%0.007%
9/9/2026Engineers Gate Manager LP64,581$1.76M0.0%-69.0%0.003%
9/9/2026RFG Advisory LLC8,496$231K0.0%-84.6%0.000%
9/9/2026NewEdge Advisors LLC1,363$37K0.0%-97.6%0.000%
9/9/2026Baird Financial Group Inc.175,563$4.78M0.0%-58.8%0.007%
9/8/2026Allworth Financial LP13,186$359K0.0%-9.4%0.001%
9/8/2026West Family Investments Inc.92,392$2.51M0.7%-26.3%0.004%
9/8/2026Nykredit A S350,050$9.53M0.0%N/A0.014%
8/27/2026Corient Private Wealth LP137,946$3.75M0.0%-11.7%0.005%
8/23/2026HB Wealth Management LLC34,541$940K0.0%+43.0%0.001%
8/23/2026Angeles Wealth Management LLC9,153$249K0.0%N/A0.000%
8/22/2026MW Advisory LLC17,691$481K0.2%N/A0.001%
8/22/2026Syon Capital LLC14,473$394K0.0%-23.6%0.001%
8/22/2026Concurrent Investment Advisors LLC11,588$315K0.0%N/A0.000%
8/21/2026WorthPointe LLC9,433$257K0.1%N/A0.000%
8/21/2026Greenspring Advisors LLC26,230$714K0.0%-3.8%0.001%
8/21/2026Continuum Advisory LLC1,045$28K0.0%N/A0.000%
8/21/2026Nykredit A S350,050$9.53M0.0%N/A0.014%
8/21/2026B. Metzler seel. Sohn & Co. AG222,975$6.07M0.1%-65.9%0.009%
8/21/2026Natural Investments LLC11,316$307K0.1%-33.2%0.000%
8/21/2026Aubrey Capital Management Ltd100,000$2.72M1.7%N/A0.004%
8/20/2026Rehmann Capital Advisory Group9,543$260K0.0%N/A0.000%
8/20/2026Headlands Technologies LLC32,855$894K0.1%-67.7%0.001%
8/20/2026Greenleaf Trust144,148$3.92M0.0%+0.8%0.006%
8/19/2026Wellington Management Group LLP231,006$6.29M0.0%+137.6%0.009%
8/18/2026E Wealth Partners LLC8,051$219K0.2%N/A0.000%
8/18/2026Public Employees Retirement System of Ohio26,121$711K0.0%N/A0.001%
8/7/2026Trust Co. of Vermont1,500$41K0.0%N/A0.000%
7/10/2026Heck Capital Advisors LLC14,657$399K0.0%N/A0.001%
7/9/2026Valeo Financial Advisors LLC12,093$329K0.0%N/A0.000%
7/8/2026Strategic Investment Solutions Inc. IL2,796$76K0.0%N/A0.000%
7/8/2026FNY Investment Advisers LLC20,000$544K0.2%N/A0.001%
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7/7/2026Foster Group Inc.30,851$839K0.0%-22.1%0.001%
7/7/2026Dynamic Advisor Solutions LLC12,914$351K0.0%+7.4%0.001%
7/7/2026CoreCap Advisors LLC1,369$37K0.0%+271.0%0.000%
7/1/2026Eastern Bank7,720$210K0.0%N/A0.000%
6/3/2026Parallel Advisors LLC124,838$1.12M0.0%+3.1%0.005%
6/3/2026NewEdge Advisors LLC56,558$508K0.0%+8,430.6%0.002%
5/28/2026Cozad Asset Management Inc.20,001$180K0.0%+41.6%0.001%
5/26/2026Glenmede Trust Co. NA26,990$242K0.0%-7.1%0.001%
5/22/2026Verus Capital Partners LLC28,700$258K0.0%-49.9%0.001%
5/19/2026Bank of America Corp DE2,603,218$23.38M0.0%-53.5%0.103%
5/19/2026Systematic Alpha Investments LLC19,400$174K0.0%N/A0.001%
5/18/2026Amundi49,953$449K0.0%N/A0.002%
5/18/2026EverSource Wealth Advisors LLC26,119$235K0.0%+45.3%0.001%
5/18/2026Royal Bank of Canada36,669$330K0.0%+26.0%0.001%
5/16/2026Quantinno Capital Management LP710,604$6.38M0.0%+17.9%0.028%
5/16/2026SummitTX Capital L.P.18,790$169K0.0%N/A0.001%
5/16/2026Lazard Asset Management LLC69,988$628K0.0%N/A0.003%
5/15/2026Delta Global Management LP159,747$1.44M0.1%N/A0.006%
5/15/2026Bridgewater Advisors Inc.79,803$717K0.0%+1.8%0.003%
5/14/2026Compound Planning Inc.61,630$553K0.0%+16.0%0.002%
5/14/2026Arrowstreet Capital Limited Partnership129,895$1.17M0.0%+0.8%0.005%
5/14/2026Sei Investments Co.169,183$1.52M0.0%+508.6%0.007%
5/13/2026Cetera Investment Advisers17,755$159K0.0%+14.8%0.001%
5/13/2026First Trust Advisors LP406,392$3.65M0.0%-6.3%0.016%
5/12/2026ABN Amro Investment Solutions87,700$788K0.0%+300.5%0.003%
5/8/2026Summit Global Investments153,593$1.38M0.1%-41.2%0.006%
5/7/2026Commonwealth Financial Services LLC15,576$140K0.0%N/A0.001%
5/7/2026Dimensional Fund Advisors LP2,849,737$25.59M0.0%+13.2%0.113%
5/7/2026Parallel Advisors LLC124,838$1.12M0.0%+3.1%0.005%
5/7/2026AIA Group Ltd90,799$815K0.0%N/A0.004%
5/6/2026Euro Pacific Asset Management LLC18,552$171K0.0%+26.1%0.001%
5/6/2026Quadrant Private Wealth Management LLC11,488$103K0.0%N/A0.000%
5/6/2026Assetmark Inc.26,797$241K0.0%+76.5%0.001%
5/6/2026Allspring Global Investments Holdings LLC23,112$207K0.0%+34.7%0.001%
5/5/2026Sanctuary Advisors LLC13,860$124K0.0%N/A0.001%
5/4/2026ABC Arbitrage SA19,658$177K0.0%N/A0.001%
5/4/2026Empirical Financial Services LLC d.b.a. Empirical Wealth Management27,052$243K0.0%+36.0%0.001%
5/4/2026Matthews International Capital Management LLC977,645$8.78M3.6%N/A0.039%
5/1/2026Sequoia Financial Advisors LLC207,053$1.86M0.0%+4.6%0.008%
4/30/2026Hsbc Holdings PLC21,496$191K0.0%N/A0.001%
4/28/2026DGS Capital Management LLC95,304$856K0.1%+2.5%0.004%
4/28/2026V Square Quantitative Management LLC13,395$120K0.0%N/A0.001%
4/28/2026QRG Capital Management Inc.86,927$781K0.0%+115.3%0.003%
4/27/2026HB Wealth Management LLC24,150$217K0.0%+24.2%0.001%
4/27/2026Moran Wealth Management LLC910,416$8.18M0.3%+14.9%0.036%
4/27/2026Elevation Point Wealth Partners LLC16,208$146K0.0%N/A0.001%
4/25/2026Keybank National Association OH24,524$220K0.0%N/A0.001%
4/23/2026Inspire Investing LLC10,778$97K0.0%-93.5%0.000%
4/21/2026Aaron Wealth Advisors LLC35,927$323K0.0%N/A0.001%
4/20/2026Arta Finance Wealth Management LLC31,617$284K0.1%-19.5%0.001%
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4/20/2026Blue Trust Inc.75,486$678K0.0%-11.7%0.003%
4/20/2026RFG Advisory LLC55,230$496K0.0%N/A0.002%
4/16/2026SG Americas Securities LLC99,946$898K0.0%N/A0.004%
4/16/2026Diversified Trust Co13,317$120K0.0%-10.2%0.001%
3/9/2026Corient Private Wealth LLC146,966$1.16M0.0%+8.4%0.006%
3/3/2026Caitong International Asset Management Co. Ltd11,956$94K0.0%+1,782.8%0.000%
2/19/2026Compound Planning Inc.53,144$418K0.0%+18.7%0.002%
2/19/2026Corient Private Wealth LLC146,966$1.16M0.0%+8.4%0.006%
2/18/2026Mercer Global Advisors Inc. ADV39,704$312K0.0%-2.5%0.002%
2/18/2026Summit Global Investments261,121$2.05M0.1%+80.5%0.010%


UMC Institutional Ownership - Frequently Asked Questions

During the previous two years, 297 institutional investors and hedge funds held shares of United Microelectronics. The most heavily invested institutionals were Vanguard Group Inc. ($106.30M), Millennium Management LLC ($93.00M), AQR Capital Management LLC ($74.39M), Morgan Stanley ($60.28M), Rafferty Asset Management LLC ($50.92M), Fisher Asset Management LLC ($47.38M), and Barclays PLC ($43.32M).Learn more on United Microelectronics' institutional investors.

5.05% of United Microelectronics' stock is owned by institutional investors. Learn more on UMC's institutional investor holdings.

Of the 268 institutional investors that purchased United Microelectronics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Millennium Management LLC ($13.88M), AQR Capital Management LLC ($9.85M), Marshall Wace LLP ($4.74M), Two Sigma Investments LP ($3.15M), Maple Rock Capital Partners Inc. ($3.14M), Rafferty Asset Management LLC ($3.08M), and Empowered Funds LLC ($3.05M).

Institutional investors have bought a total of 37,425,898 shares in the last 24 months. This purchase volume represents approximately $316.20M in transactions.

Of the 78 institutional investors that sold United Microelectronics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Morgan Stanley ($14.18M), Bank of America Corp DE ($3.00M), Rafferty Asset Management LLC ($2.18M), JPMorgan Chase & Co. ($2.12M), Citigroup Inc. ($1.43M), Vanguard Group Inc. ($1.30M), and Barclays PLC ($1.18M).

Institutional investors have sold a total of 29,924,291 shares in the last 24 months. This volume of shares sold represents approximately $258.09M in transactions.


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Institutional ownership data for NYSE:UMC is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/9/2026. New 13F filings are added each quarter as they're published.
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