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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, Q4 2021

Institutional positions in United Microelectronics Corp as of Dec 31, 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
264
+39 vs. Q3 2021
Shares held
113.1M
−4.77M (−4.0%) vs. Q3 2021
Total value
$1.32B
−$24.9M (−1.8%) vs. Q3 2021
New holders
63
72 more added
Sold out
24
80 more reduced

5 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 264 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 heldQ4 2021: $1.32B
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, Q4 2021

Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q3 2021.

Institutions holding UMC in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc17,838,202$208.7M0.00%−106,253−0.6%Reduced
BlackRock Inc.17,649,108$206.5M0.01%+2,701,529+18.1%Added
Goldman Sachs Group Inc9,257,324$108.3M0.03%+7,928,585+596.7%Added
UBS Group AG7,030,400$82.3M0.03%−5,454,706−43.7%Reduced
Arrowstreet Capital, Limited Partnership6,333,304$74.1M0.09%+4,605,119+266.5%Added
Bank of America Corp5,470,220$64.0M0.01%+2,303,305+72.7%Added
Renaissance Technologies LLC4,316,534$50.5M0.06%−2,988,000−40.9%Reduced
Parametric Portfolio Associates LLC3,890,648$45.5M0.02%−16,160−0.4%Reduced
State Street Corp3,153,976$36.9M0.00%−35,724−1.1%Reduced
Rafferty Asset Management, LLC2,861,361$33.5M0.18%+1,021,414+55.5%Added
Citigroup Inc2,337,705$27.4M0.02%−484,924−17.2%Reduced
Acadian Asset Management LLC1,993,422$23.3M0.09%−1,018,751−33.8%Reduced
Barclays PLC1,959,112$22.9M0.01%+1,703,530+666.5%Added
Credit Suisse AG1,521,969$17.8M0.01%−924,072−37.8%Reduced
Susquehanna International Group, LLP1,327,899$15.5M0.02%+267,055+25.2%Added
Crossmark Global Holdings, Inc.1,228,535$14.4M0.31%+12,643+1.0%Added
BNP Paribas Arbitrage, SA1,211,746$14.2M0.03%−481,193−28.4%Reduced
Morgan Stanley1,079,631$12.6M0.00%−730,914−40.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund962,535$11.3M0.02%+962,535New
Two Sigma Investments, LP835,674$9.78M0.02%−946,418−53.1%Reduced
Navellier & Associates Inc808,245$9.46M1.38%+39,555+5.1%Added
Northern Trust Corp758,330$8.87M0.00%−138,207−15.4%Reduced
JPMorgan Chase & Co738,230$8.64M0.00%−313,067−29.8%Reduced
Millennium Management LLC661,322$7.74M0.01%−492,021−42.7%Reduced
Thomas White International Ltd653,721$7.65M1.21%+245,650+60.2%Added
Nomura Holdings Inc630,522$7.38M0.04%+421,587+201.8%Added
O'Shaughnessy Asset Management, LLC560,268$6.55M0.12%−124,904−18.2%Reduced
Ovata Capital Management Ltd524,564$6.16M2.09%00.0%Unchanged
American Century Companies Inc515,876$6.04M0.00%−4,258,412−89.2%Reduced
Schonfeld Strategic Advisors LLC480,546$5.62M0.05%+214,446+80.6%Added
Group One Trading, L.P.469,881$5.50M0.10%+386,206+461.6%Added
Raymond James Financial Services Advisors, Inc.409,841$4.79M0.01%+355,305+651.5%Added
Deutsche Bank AG386,244$4.52M0.00%−654,565−62.9%Reduced
Storebrand Asset Management AS377,037$4.41M0.02%00.0%Unchanged
Capital Fund Management S.A.344,008$4.02M0.10%+180,341+110.2%Added
Neuberger Berman Group LLC343,108$3.92M0.00%−5,124,034−93.7%Reduced
Massachusetts Financial Services Co318,902$3.73M0.00%00.0%Unchanged
Caption Management, LLC300,429$3.52M0.22%+300,429New
SPX Equities Gestao de Recursos Ltda297,000$3.47M0.70%+297,000New
Envestnet Asset Management Inc285,994$3.35M0.00%+142,677+99.6%Added
GAM Holding AG282,624$3.31M0.15%00.0%Unchanged
Greenleaf Trust264,048$3.09M0.04%+69,124+35.5%Added
Advisor Group Holdings, Inc.261,884$3.06M0.01%+378+0.1%Added
Wetherby Asset Management Inc261,712$3.06M0.17%−4,220−1.6%Reduced
Dimensional Fund Advisors LP261,689$3.06M0.00%+174,400+199.8%Added
Qube Research & Technologies Ltd230,568$2.70M0.02%+61,013+36.0%Added
Grantham, Mayo, Van Otterloo & Co. LLC227,600$2.66M0.01%+227,600New
Ritholtz Wealth Management226,063$2.65M0.16%−47,564−17.4%Reduced
Veriti Management LLC222,915$2.61M0.34%+39,427+21.5%Added
Mezzasalma Advisors, LLC221,890$2.60M1.39%00.0%Unchanged
Diversified Trust Co219,381$2.57M0.08%+21,096+10.6%Added
Guggenheim Capital LLC210,981$2.47M0.01%−52,569−19.9%Reduced
Amundi193,069$2.20M0.00%00.0%Unchanged
Signet Financial Management, LLC186,296$2.18M0.33%+186,296New
Wells Fargo & Company179,825$2.10M0.00%−153,603−46.1%Reduced
Simplex Trading, LLC179,348$2.10M0.07%+124,314+225.9%Added
Cubist Systematic Strategies, LLC174,470$2.04M0.02%−590,952−77.2%Reduced
Taika Capital, LP175,000$2.04M1.61%+175,000New
Ergoteles LLC173,673$2.03M0.08%+173,673New
Wellington Management Group LLP173,142$2.02M0.00%−57,446−24.9%Reduced
Causeway Capital Management LLC172,099$2.01M0.04%+172,099New
Invesco Ltd.168,231$1.97M0.00%−58,978−26.0%Reduced
Signaturefd, LLC160,608$1.88M0.06%−1,684−1.0%Reduced
Brinker Capital Investments, LLC148,950$1.74M0.03%+148,950New
Citadel Advisors LLC148,415$1.74M0.00%−565,048−79.2%Reduced
HighTower Advisors, LLC142,872$1.67M0.00%+132,212+1,240.3%Added
Vontobel Holding Ltd.136,521$1.60M0.01%+97,721+251.9%Added
Fisher Asset Management, LLC135,100$1.58M0.00%+27,622+25.7%Added
First Trust Advisors LP129,663$1.52M0.00%+4,028+3.2%Added
Livingston Group Asset Management CO (operating as Southport Capital Management)129,586$1.52M0.27%+129,586New
US Bancorp125,638$1.47M0.00%+857+0.7%Added
Henry James International Management, Inc.123,775$1.45M0.45%+420+0.3%Added
TD Waterhouse Canada Inc.115,876$1.37M0.01%+115,876New
Advisor Resource Council115,573$1.35M0.11%+115,573New
LPL Financial LLC111,412$1.30M0.00%−63,705−36.4%Reduced
Strategic Global Advisors, LLC106,752$1.25M0.16%00.0%Unchanged
Quaero Capital S.A.100,193$1.17M0.80%00.0%Unchanged
Stifel Financial Corp98,514$1.15M0.00%+2,922+3.1%Added
Sabadell Asset Management, S.A S.G.I.I.C97,460$1.11M0.18%−104,749−51.8%Reduced
Raymond James & Associates93,134$1.09M0.00%+38,361+70.0%Added
DGS Capital Management, LLC92,309$1.08M0.67%+92,309New
MBB Public Markets I LLC90,511$1.06M0.02%+90,511New
Blueshift Asset Management, LLC89,520$1.05M0.09%−18,639−17.2%Reduced
Y-Intercept (Hong Kong) Ltd88,372$1.03M0.25%+76,050+617.2%Added
Allianz Asset Management GmbH86,360$1.01M0.00%−78,800−47.7%Reduced
Marietta Investment Partners LLC82,780$969.0K0.20%+22,000+36.2%Added
ExodusPoint Capital Management, LP71,896$841.0K0.01%−2,600−3.5%Reduced
Advisory Services Network, LLC70,970$831.0K0.02%−790−1.1%Reduced
Mizuho Securities Co. Ltd.69,130$809.0K0.29%+41,200+147.5%Added
JustInvest LLC65,528$767.0K0.05%+3,847+6.2%Added
Cerity Partners LLC65,178$755.0K0.01%+65,178New
Ethic Inc.60,100$703.0K0.05%+25,896+75.7%Added
SG Americas Securities, LLC58,886$689.0K0.00%+58,886New
Cabot Wealth Management Inc57,751$676.0K0.09%00.0%Unchanged
Thoroughbred Financial Services, LLC56,380$659.0K0.14%+19,580+53.2%Added
Natixis Advisors, L.P.54,134$633.0K0.00%+354+0.7%Added
Advisors Asset Management, Inc.52,958$619.6K0.01%+18,818+55.1%Added
Cambridge Investment Research Advisors, Inc.50,322$589.0K0.00%+23,950+90.8%Added
Boston Private Wealth LLC48,920$572.0K0.01%−62,588−56.1%Reduced
Oppenheimer & Co Inc48,757$570.0K0.01%00.0%Unchanged