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United Microelectronics Corp

UMC
Exchange
NYSE
Industry
Semiconductors & Related Devices
SEC CIK
0001033767

No open-market purchases or sales by United Microelectronics Corp insiders were filed in the last 90 days; 365 institutions reported holding it in 13F filings for Q2 2026, worth $4.89B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q3 2021

Institutional positions in United Microelectronics Corp as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
230
+29 vs. Q2 2021
Shares held
118.0M
+28.5M (+31.8%) vs. Q2 2021
Total value
$1.35B
+$501.1M (+59.2%) vs. Q2 2021
New holders
49
93 more added
Sold out
20
57 more reduced

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting UMC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2021: 230 institutions
Q1 2021: 205 institutionsQ2 2021: 203 institutionsQ3 2021: 230 institutionsQ4 2021: 264 institutionsQ1 2022: 241 institutionsQ2 2022: 225 institutionsQ3 2022: 226 institutionsQ4 2022: 223 institutionsQ1 2023: 221 institutionsQ2 2023: 220 institutionsQ3 2023: 217 institutionsQ4 2023: 250 institutionsQ1 2024: 242 institutionsQ2 2024: 238 institutionsQ3 2024: 268 institutionsQ4 2024: 253 institutionsQ1 2025: 234 institutionsQ2 2025: 239 institutionsQ3 2025: 240 institutionsQ4 2025: 271 institutionsQ1 2026: 319 institutionsQ2 2026: 365 institutions
Value heldQ3 2021: $1.35B
Q1 2021: $818.6MQ2 2021: $846.6MQ3 2021: $1.35BQ4 2021: $1.32BQ1 2022: $1.17BQ2 2022: $857.0MQ3 2022: $744.5MQ4 2022: $873.8MQ1 2023: $1.15BQ2 2023: $1.00BQ3 2023: $912.6MQ4 2023: $1.03BQ1 2024: $1.07BQ2 2024: $1.16BQ3 2024: $1.35BQ4 2024: $1.04BQ1 2025: $1.11BQ2 2025: $1.16BQ3 2025: $1.00BQ4 2025: $1.19BQ1 2026: $1.57BQ2 2026: $4.89B
Institutions holding UMC and their total value by quarter
QuarterHoldersValue
Q2 2026365$4.89B
Q1 2026319$1.57B
Q4 2025271$1.19B
Q3 2025240$1.00B
Q2 2025239$1.16B
Q1 2025234$1.11B
Q4 2024253$1.04B
Q3 2024268$1.35B
Q2 2024238$1.16B
Q1 2024242$1.07B
Q4 2023250$1.03B
Q3 2023217$912.6M
Q2 2023220$1.00B
Q1 2023221$1.15B
Q4 2022223$873.8M
Q3 2022226$744.5M
Q2 2022225$857.0M
Q1 2022241$1.17B
Q4 2021264$1.32B
Q3 2021230$1.35B
Q2 2021203$846.6M
Q1 2021205$818.6M

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q2 2021.

Institutions holding UMC in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Mizuho Securities Co. Ltd.27,930$319.0K0.09%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.28,987$331.0K0.07%+173+0.6%Added
Colony Group LLC30,214$345.0K0.01%00.0%Unchanged
AlphaStar Capital Management, LLC35,452$380.0K0.03%+35,452New
Daiwa Securities Group Inc.33,300$381.0K0.00%+33,300New
Private Advisor Group, LLC33,810$386.0K0.00%+12,398+57.9%Added
Advisors Asset Management, Inc.34,140$390.0K0.01%+13,038+61.8%Added
Ethic Inc.34,204$391.0K0.04%+10,589+44.8%Added
Commonwealth Equity Services, LLC34,551$394.0K0.00%+2,982+9.4%Added
Apollon Wealth Management, LLC34,813$398.0K0.05%+3,890+12.6%Added
UBS Asset Management Americas Inc35,000$400.1K0.00%−3,700−9.6%Reduced
Eqis Capital Management, Inc.35,936$411.0K0.03%+1,169+3.4%Added
Geode Capital Management, LLC36,077$412.0K0.00%+3,203+9.7%Added
Thoroughbred Financial Services, LLC36,800$420.0K0.10%+2,000+5.7%Added
Systematic Alpha Investments, LLC41,800$429.0K0.02%00.0%Unchanged
Profund Advisors LLC38,067$435.0K0.01%−9,609−20.2%Reduced
Johnson Investment Counsel Inc38,800$443.0K0.01%−6,130−13.6%Reduced
Vontobel Holding Ltd.38,800$443.0K0.00%+38,800New
Mercer Global Advisors Inc39,223$448.0K0.00%−671−1.7%Reduced
AXA S.A.40,005$457.0K0.00%00.0%Unchanged
Franklin Resources Inc40,834$466.0K0.00%+4,141+11.3%Added
The PNC Financial Services Group, Inc.41,647$477.0K0.00%−2,897−6.5%Reduced
Corient Capital Partners, LLC43,642$499.0K0.04%+1,067+2.5%Added
Intersect Capital LLC43,910$502.0K0.09%−2,711−5.8%Reduced
Simplex Trading, LLC55,034$510.0K0.02%00.0%Unchanged
West Family Investments, Inc.45,343$518.0K0.14%−15,662−25.7%Reduced
Quantbot Technologies LP45,329$518.0K0.04%+24,556+118.2%Added
CIBC World Markets Inc.45,296$518.0K0.00%+45,296New
Nations Financial Group Inc,45,688$522.0K0.08%+36+0.1%Added
Ballentine Partners, LLC45,889$524.0K0.02%+413+0.9%Added
Quadrant Capital Group LLC46,301$529.0K0.07%+2,475+5.6%Added
Legacy Wealth Asset Management, LLC47,217$540.0K0.25%−9,606−16.9%Reduced
Oppenheimer & Co Inc48,757$557.0K0.01%−602−1.2%Reduced
Quantamental Technologies LLC49,069$561.0K0.38%+49,069New
Parallel Advisors, LLC53,785$615.0K0.02%+5,179+10.7%Added
Natixis Advisors, L.P.53,780$615.0K0.00%+21,667+67.5%Added
Raymond James Financial Services Advisors, Inc.54,536$623.0K0.00%+2,040+3.9%Added
Raymond James & Associates54,773$626.0K0.00%+9,323+20.5%Added
Cabot Wealth Management Inc57,751$660.0K0.09%00.0%Unchanged
Ambassador Advisors, LLC57,751$661.0K0.13%−33,312−36.6%Reduced
Marietta Investment Partners LLC60,780$695.0K0.16%+60,780New
AIA Group Ltd61,405$702.0K0.04%00.0%Unchanged
JustInvest LLC61,681$705.0K0.06%+9,098+17.3%Added
Wolverine Trading, LLC67,148$760.0K0.02%−16,893−20.1%Reduced
Advisory Services Network, LLC71,760$820.0K0.03%+1,113+1.6%Added
Campbell & CO Investment Adviser LLC73,100$836.0K0.27%+37,800+107.1%Added
ExodusPoint Capital Management, LP74,496$851.0K0.01%+14,123+23.4%Added
Group One Trading, L.P.83,675$956.0K0.02%+83,675New
Dimensional Fund Advisors LP87,289$998.0K0.00%−43,487−33.3%Reduced
Stifel Financial Corp95,592$1.09M0.00%+95,592New
Quaero Capital S.A.100,193$1.15M0.79%+100,193New
Cresset Asset Management, LLC106,486$1.22M0.02%−300.0%Reduced
Glovista Investments LLC106,668$1.22M0.36%+106,668New
Strategic Global Advisors, LLC106,752$1.22M0.18%−73,150−40.7%Reduced
Fisher Asset Management, LLC107,478$1.23M0.00%+17,425+19.3%Added
Blueshift Asset Management, LLC108,159$1.24M0.07%+108,159New
PEAK6 Investments LLC109,673$1.25M0.03%+66,411+153.5%Added
Boston Private Wealth LLC111,508$1.27M0.02%+6,454+6.1%Added
Jane Street Group, LLC123,136$1.41M0.00%+982+0.8%Added
Henry James International Management, Inc.123,355$1.41M0.44%+1,132+0.9%Added
US Bancorp124,781$1.43M0.00%+612+0.5%Added
First Trust Advisors LP125,635$1.44M0.00%+31,214+33.1%Added
Envestnet Asset Management Inc143,317$1.64M0.00%−5,862−3.9%Reduced
Comerica Bank181,139$1.85M0.01%+41,636+29.8%Added
Signaturefd, LLC162,292$1.85M0.06%+1,690+1.1%Added
Capital Fund Management S.A.163,667$1.87M0.05%+9,106+5.9%Added
Allianz Asset Management GmbH165,160$1.89M0.00%−87,401−34.6%Reduced
Qube Research & Technologies Ltd169,555$1.94M0.02%−52,137−23.5%Reduced
LPL Financial LLC175,117$2.00M0.00%+77,201+78.8%Added
Veriti Management LLC183,488$2.10M0.30%−58,928−24.3%Reduced
Amundi193,069$2.21M0.00%00.0%Unchanged
Greenleaf Trust194,924$2.23M0.03%−7,267−3.6%Reduced
Aigen Investment Management, LP195,267$2.23M0.43%+158,235+427.3%Added
Diversified Trust Co198,285$2.27M0.08%+4,040+2.1%Added
Sabadell Asset Management, S.A S.G.I.I.C202,209$2.31M0.40%00.0%Unchanged
Nomura Holdings Inc208,935$2.37M0.02%−217,930−51.1%Reduced
Mezzasalma Advisors, LLC221,890$2.54M1.43%+600.0%Added
Invesco Ltd.227,209$2.60M0.00%+6,849+3.1%Added
Mirae Asset Global Investments Co., Ltd.229,446$2.62M0.01%+229,446New
Wellington Management Group LLP230,588$2.64M0.00%−29,624−11.4%Reduced
Barclays PLC255,582$2.92M0.00%+124,315+94.7%Added
Advisor Group Holdings, Inc.261,506$2.99M0.01%+133,790+104.8%Added
Guggenheim Capital LLC263,550$3.01M0.02%−133,317−33.6%Reduced
Wetherby Asset Management Inc265,932$3.04M0.19%+2,010+0.8%Added
Schonfeld Strategic Advisors LLC266,100$3.04M0.03%−322,700−54.8%Reduced
Ritholtz Wealth Management273,627$3.13M0.22%−47,936−14.9%Reduced
GAM Holding AG282,624$3.23M0.15%00.0%Unchanged
Two Sigma Advisers, LP310,935$3.55M0.01%+310,935New
Massachusetts Financial Services Co318,902$3.65M0.00%+318,902New
Wells Fargo & Company333,428$3.81M0.00%+247,587+288.4%Added
Teachers Retirement System of the State of Kentucky367,360$4.20M0.04%+1,000+0.3%Added
Todd Asset Management LLC367,360$4.20M0.10%+1,000+0.3%Added
Storebrand Asset Management AS377,037$4.31M0.02%−139,401−27.0%Reduced
Thomas White International Ltd408,071$4.66M0.68%+408,071New
Seven Eight Capital, LP457,986$5.24M0.50%+306,700+202.7%Added
TCW Group Inc476,538$5.45M0.05%+272,000+133.0%Added
Ovata Capital Management Ltd524,564$6.04M2.32%00.0%Unchanged
Axiom Investors LLC580,100$6.63M0.11%−22,700−3.8%Reduced
O'Shaughnessy Asset Management, LLC685,172$7.83M0.16%−161,674−19.1%Reduced
Citadel Advisors LLC713,463$8.15M0.01%−123,008−14.7%Reduced