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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, Q2 2025

Institutional positions in United Microelectronics Corp as of Jun 30, 2025. 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
239
+11 vs. Q1 2025
Shares held
151.2M
−3.62M (−2.3%) vs. Q1 2025
Total value
$1.16B
+$54.0M (+4.9%) vs. Q1 2025
New holders
47
85 more added
Sold out
36
72 more reduced

6 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 239 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 heldQ2 2025: $1.16B
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, Q2 2025

Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q1 2025.

Institutions holding UMC in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Larson Financial Group LLC745$5.70K0.00%+745New
Sierra Ocean, LLC731$5.59K0.00%−148−16.8%Reduced
Highline Wealth Partners LLC725$5.55K0.00%+103+16.6%Added
Prestige Wealth Management Group LLC661$5.38K0.00%00.0%Unchanged
GWM Advisors LLC700$5.36K0.00%00.0%Unchanged
Walleye Capital LLC688$5.26K0.00%−71,398−99.0%Reduced
Assetmark, Inc680$5.20K0.00%+680New
Kiker Wealth Management, LLC670$5.13K0.00%00.0%Unchanged
Brown Brothers Harriman & Co558$4.27K0.00%+558New
IFP Advisors, Inc535$4.09K0.00%+109+25.6%Added
Nisa Investment Advisors, LLC500$4.06K0.00%00.0%Unchanged
Park Square Financial Group, LLC524$4.00K0.00%00.0%Unchanged
Group One Trading, L.P.521$3.99K0.00%+521New
Mizuho Securities Co. Ltd.501$3.83K0.01%+501New
Valued Wealth Advisors LLC423$3.44K0.00%00.0%Unchanged
Fifth Third Bancorp398$3.04K0.00%00.0%Unchanged
Ancora Advisors, LLC381$2.92K0.00%+381New
UMA Financial Services, Inc.375$2.87K0.00%+174+86.6%Added
Principal Securities, Inc.367$2.81K0.00%+81+28.3%Added
LRI Investments, LLC364$2.78K0.00%00.0%Unchanged
True Wealth Design, LLC359$2.75K0.00%−292−44.9%Reduced
Bryn Mawr Trust Co325$2.49K0.00%00.0%Unchanged
Safe Harbor Fiduciary, LLC300$2.29K0.00%00.0%Unchanged
Twin Peaks Wealth Advisors, LLC323$2.20K0.00%+323New
Ameriflex Group, Inc.267$2.02K0.00%−275−50.7%Reduced
Clean Yield Group218$1.67K0.00%00.0%Unchanged
Sound Income Strategies, LLC200$1.53K0.00%00.0%Unchanged
Garde Capital, Inc.200$1.53K0.00%+200New
Russell Investments Group, Ltd.171$1.31K0.00%+170+17,000.0%Added
Raffa Wealth Management, LLC164$1.25K0.00%00.0%Unchanged
Abound Wealth Management160$1.22K0.00%00.0%Unchanged
Geneos Wealth Management Inc.117$8950.00%+117New
Carolina Wealth Advisors, LLC30$2300.00%+30New
High Note Wealth, LLC28$2140.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC9$690.00%+9New
Ameritas Investment Partners, Inc.2$150.00%00.0%Unchanged
Leonteq Securities AG1$80.00%00.0%Unchanged
Optiver Holding B.V.1$80.00%+1New
Creekmur Asset Management LLC1$40.00%00.0%Unchanged
Nomura Holdings Inc0$00.00%−1,536,660−100.0%Sold out
LMR Partners LLP0$00.00%−1,000,000−100.0%Sold out
Marshall Wace, LLP0$00.00%−662,824−100.0%Sold out
Jane Street Group, LLC0$00.00%−494,777−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−411,303−100.0%Sold out
Jump Financial, LLC0$00.00%−162,156−100.0%Sold out
Walleye Trading LLC0$00.00%−137,101−100.0%Sold out
Old Mission Capital LLC0$00.00%−102,975−100.0%Sold out
Engineers Gate Manager LP0$00.00%−102,327−100.0%Sold out
Sculptor Capital LP0$00.00%−102,000−100.0%Sold out
HRT Financial LP0$00.00%−51,974−100.0%Sold out
HSBC Holdings PLC0$00.00%−35,713−100.0%Sold out
Ashton Thomas Private Wealth, LLC0$00.00%−33,686−100.0%Sold out
Scientech Research LLC0$00.00%−21,055−100.0%Sold out
Annex Advisory Services, LLC0$00.00%−20,500−100.0%Sold out
Private Advisor Group, LLC0$00.00%−18,284−100.0%Sold out
R Squared Ltd0$00.00%−16,450−100.0%Sold out
Simon Quick Advisors, LLC0$00.00%−15,023−100.0%Sold out
Savvy Advisors, Inc.0$00.00%−14,201−100.0%Sold out
Migdal Insurance & Financial Holdings Ltd.0$00.00%−13,005−100.0%Sold out
Infini Capital Management Ltd0$00.00%−12,816−100.0%Sold out
RSM US Wealth Management LLC0$00.00%−11,241−100.0%Sold out
Silvercrest Asset Management Group LLC0$00.00%−10,080−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−6,653−100.0%Sold out
Allianz SE0$00.00%−2,598−100.0%Sold out
Private Trust Co NA0$00.00%−2,000−100.0%Sold out
Golden State Wealth Management, LLC0$00.00%−2,000−100.0%Sold out
Valley National Advisers Inc0$00.00%−1,932−100.0%Sold out
Wiser Advisor Group LLC0$00.00%−1,400−100.0%Sold out
BOK Financial Private Wealth, Inc.0$00.00%−1,104−100.0%Sold out
Capital A Wealth Management, LLC0$00.00%−504−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−440−100.0%Sold out
Cullen/Frost Bankers, Inc.0$00.00%−399−100.0%Sold out
Asset Dedication, LLC0$00.00%−171−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−5−100.0%Sold out
Bollard Group LLC0$00.00%−1−100.0%Sold out
CAPROCK Group, Inc.––––Not filed
Glenmede Trust Co NA––––Not filed
Lindbrook Capital, LLC––––Not filed
Schechter Investment Advisors, LLC––––Not filed
Vista Wealth Management Group, LLC––––Not filed
Credit Agricole S A––––Not filed