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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, Q1 2023

Institutional positions in United Microelectronics Corp as of Mar 31, 2023. 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
221
+1 vs. Q4 2022
Shares held
133.0M
−120.5K (−0.1%) vs. Q4 2022
Total value
$1.15B
+$276.1M (+31.6%) vs. Q4 2022
New holders
31
85 more added
Sold out
30
59 more reduced

3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 221 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 heldQ1 2023: $1.15B
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, Q1 2023

Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q4 2022.

Institutions holding UMC in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BSW Wealth Partners28,942$253.5K0.05%−1,054−3.5%Reduced
Toth Financial Advisory Corp31,000$271.6K0.04%+31,000New
Desjardins Global Asset Management Inc.36,797$322.0K0.04%−3,435−8.5%Reduced
Quantinno Capital Management LP37,195$326.0K0.02%−50,112−57.4%Reduced
Schechter Investment Advisors, LLC37,407$327.7K0.03%+3,880+11.6%Added
Foster Victor Wealth Advisors, LLC40,790$351.6K0.04%+831+2.1%Added
Yousif Capital Management, LLC41,724$365.5K0.00%00.0%Unchanged
Systematic Alpha Investments, LLC41,800$366.2K0.02%00.0%Unchanged
Yorktown Management & Research Co Inc42,900$375.8K0.41%00.0%Unchanged
Lazard Asset Management LLC43,048$377.0K0.00%00.0%Unchanged
JJJ Advisors Inc.47,479$397.4K0.11%+579+1.2%Added
Eagle Asset Management Inc47,375$415.0K0.00%+47,375New
PDS Planning, Inc49,292$431.8K0.06%+19,150+63.5%Added
Ballentine Partners, LLC49,935$437.4K0.01%+806+1.6%Added
Redwood Wealth Management Group, LLC50,670$443.9K0.50%−80,656−61.4%Reduced
Mercer Global Advisors Inc53,292$467.0K0.00%+5,017+10.4%Added
Johnson Investment Counsel Inc55,835$489.1K0.01%00.0%Unchanged
Boston Private Wealth LLC58,076$508.7K0.01%+5,889+11.3%Added
Schroder Investment Management Group61,735$540.8K0.00%−12,216−16.5%Reduced
Commonwealth Equity Services, LLC61,772$541.0K0.00%−332,075−84.3%Reduced
Parallel Advisors, LLC61,870$542.0K0.02%+2,696+4.6%Added
FMR LLC62,490$547.4K0.00%+2,912+4.9%Added
AXA S.A.63,004$551.9K0.00%+24,704+64.5%Added
The PNC Financial Services Group, Inc.63,349$554.9K0.00%+1,891+3.1%Added
Cambridge Investment Research Advisors, Inc.64,047$561.0K0.00%−815−1.3%Reduced
Penserra Capital Management LLC66,099$579.0K0.01%+48,072+266.7%Added
Capital Wealth Planning, LLC66,099$579.0K0.01%+48,072+266.7%Added
Advisor Partners II, LLC67,048$587.3K0.03%+15,919+31.1%Added
Pinnacle Wealth Planning Services, Inc.68,564$600.6K0.10%−1,843−2.6%Reduced
Henry James International Management, Inc.72,781$637.6K0.27%+430+0.6%Added
XTX Topco Ltd73,409$643.1K0.13%+48,353+193.0%Added
CAPROCK Group, Inc.74,405$651.8K0.05%+4,220+6.0%Added
LPL Financial LLC76,927$673.9K0.00%−78,543−50.5%Reduced
Mariner, LLC82,056$718.0K0.00%−6,384−7.2%Reduced
Advisors Asset Management, Inc.83,106$728.0K0.01%−15,617−15.8%Reduced
Sequoia Financial Advisors, LLC85,134$745.8K0.02%+1,574+1.9%Added
Nomura Holdings Inc87,200$763.9K0.01%−70,681−44.8%Reduced
Quantbot Technologies LP89,582$784.7K0.06%+89,582New
Two Sigma Securities, LLC94,886$831.2K0.07%+69,548+274.5%Added
True Wealth Design, LLC96,684$847.0K0.36%+96,608+127,115.8%Added
Ameriprise Financial Inc96,738$847.4K0.00%−6,248−6.1%Reduced
Vident Investment Advisory, LLC97,139$850.9K0.03%+57,289+143.8%Added
Profund Advisors LLC97,158$851.1K0.05%−25,862−21.0%Reduced
Invst, LLC108,495$858.2K0.13%+108,495New
NewEdge Wealth, LLC106,615$933.9K0.04%+106,615New
DGS Capital Management, LLC106,884$936.3K0.52%+6,042+6.0%Added
ExodusPoint Capital Management, LP109,512$959.0K0.01%−85,843−43.9%Reduced
Quadrant Capital Group LLC112,913$989.1K0.10%+14,007+14.2%Added
Y-Intercept (Hong Kong) Ltd112,980$989.7K0.11%+112,980New
Causeway Capital Management LLC115,229$1.01M0.02%−25,916−18.4%Reduced
Pacer Advisors, Inc.116,696$1.02M0.00%+46,340+65.9%Added
Alliancebernstein L.P.116,760$1.02M0.00%+116,760New
Guggenheim Capital LLC119,946$1.05M0.01%+93,596+355.2%Added
Ritholtz Wealth Management122,584$1.07M0.05%−15,598−11.3%Reduced
Toroso Investments, LLC122,774$1.08M0.04%+9,090+8.0%Added
UBS Asset Management Americas Inc124,700$1.09M0.00%+87,600+236.1%Added
Lifestyle Asset Management, Inc.126,628$1.11M0.74%+126,628New
Invesco Ltd.127,672$1.12M0.00%+18,152+16.6%Added
Natixis Advisors, L.P.128,045$1.12M0.00%−6,301−4.7%Reduced
Mizuho Securities Co. Ltd.128,235$1.12M3.50%+9,918+8.4%Added
Cerity Partners LLC128,396$1.12M0.01%−3,407−2.6%Reduced
West Family Investments, Inc.131,678$1.15M0.46%+507+0.4%Added
Stifel Financial Corp138,350$1.21M0.00%+44,784+47.9%Added
Gunderson Capital Management Inc.156,449$1.37M1.02%+156,449New
Envestnet Asset Management Inc916,432$1.38M0.00%+674,881+279.4%Added
Wells Fargo & Company160,221$1.40M0.00%−30,828−16.1%Reduced
CI Private Wealth, LLC162,837$1.43M0.00%+111,590+217.7%Added
JustInvest LLC184,272$1.61M0.06%+8,584+4.9%Added
Zweig-DiMenna Associates LLC184,500$1.62M0.22%+6,000+3.4%Added
Susquehanna International Group, LLP188,523$1.65M0.00%−1,169,953−86.1%Reduced
Raymond James & Associates191,535$1.68M0.00%−476,277−71.3%Reduced
Greenleaf Trust193,213$1.69M0.02%00.0%Unchanged
Advisor Group Holdings, Inc.199,150$1.74M0.00%−19,967−9.1%Reduced
Balentine LLC203,262$1.78M0.06%+26,008+14.7%Added
Creative Planning209,469$1.83M0.00%+33,970+19.4%Added
Signaturefd, LLC211,191$1.85M0.05%+4,973+2.4%Added
Millennium Management LLC363,601$1.88M0.00%+222,509+157.7%Added
Ethic Inc.217,827$1.91M0.08%−5,158−2.3%Reduced
Mezzasalma Advisors, LLC218,678$1.92M1.35%00.0%Unchanged
D. E. Shaw & Co., Inc.238,137$2.09M0.00%−3,162,972−93.0%Reduced
First Trust Advisors LP249,262$2.18M0.00%−68,162−21.5%Reduced
Voloridge Investment Management, LLC257,890$2.26M0.01%−186,575−42.0%Reduced
Deutsche Bank AG266,289$2.33M0.00%+250,660+1,603.8%Added
Veriti Management LLC270,935$2.37M0.28%−281−0.1%Reduced
US Bancorp273,385$2.39M0.00%+151,277+123.9%Added
Sculptor Capital LP297,800$2.61M0.07%−66,300−18.2%Reduced
Schonfeld Strategic Advisors LLC317,000$2.78M0.03%+317,000New
O'Shaughnessy Asset Management, LLC320,682$2.81M0.04%−23,871−6.9%Reduced
Storebrand Asset Management AS324,031$2.84M0.01%00.0%Unchanged
Wetherby Asset Management Inc343,196$3.01M0.18%+10,678+3.2%Added
Virtus Family Office LLC424,664$3.74M7.39%−1,778−0.4%Reduced
Acadian Asset Management LLC561,746$4.92M0.02%+470,957+518.7%Added
Jane Street Group, LLC582,886$5.11M0.01%−57,454−9.0%Reduced
Barclays PLC668,811$5.86M0.01%−732,412−52.3%Reduced
Dimensional Fund Advisors LP684,412$5.99M0.00%+15,251+2.3%Added
JPMorgan Chase & Co777,162$6.81M0.00%+670,460+628.3%Added
Cubist Systematic Strategies, LLC787,030$6.89M0.06%+21,126+2.8%Added
Holocene Advisors, LP826,409$7.24M0.04%+593,137+254.3%Added
Northern Trust Corp827,073$7.25M0.00%+14,994+1.8%Added
Citadel Advisors LLC868,194$7.61M0.01%+674,216+347.6%Added