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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 2026

Institutional positions in United Microelectronics Corp as of Jun 30, 2026. 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
365
+54 vs. Q1 2026
Shares held
180.0M
+4.41M (+2.5%) vs. Q1 2026
Total value
$4.89B
+$3.33B (+212.6%) vs. Q1 2026
New holders
91
130 more added
Sold out
37
112 more reduced

8 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 365 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 2026: $4.89B
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 2026

Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q1 2026.

Institutions holding UMC in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
We Are One Seven, LLC9,024$245.5K0.00%−1,825−16.8%Reduced
Brinker Capital Investments, LLC9,096$247.5K0.00%+9,096New
Angeles Wealth Management, LLC9,153$249.1K0.01%+9,153New
Sage Rhino Capital LLC9,154$249.1K0.04%+9,154New
OneAscent Family Office, LLC9,378$255.2K0.13%+9,378New
WorthPointe, LLC9,433$256.7K0.06%+9,433New
Rehmann Capital Advisory Group9,543$259.7K0.01%+9,543New
SmartHarvest Portfolios, LLC9,550$259.9K0.08%+9,550New
Principal Street Partners, LLC9,736$264.9K0.04%+9,736New
Park Avenue Securities LLC9,839$268.0K0.00%−1,423−12.6%Reduced
Park Capital Management, LLC9,996$272.0K0.16%+9,996New
CWM Advisors, LLC10,062$273.8K0.01%−716−6.6%Reduced
Kathmere Capital Management, LLC10,144$276.0K0.01%+10,144New
RSM US Wealth Management LLC10,385$282.6K0.00%+78+0.8%Added
Seeds Investor LLC10,514$286.1K0.03%+10,514New
Eventide Asset Management, LLC10,751$288.6K0.00%−10,396−49.2%Reduced
Modern Wealth Management, LLC10,713$291.5K0.00%+10,713New
Brighton Jones LLC10,715$291.6K0.01%+625+6.2%Added
Pinnacle Associates Ltd10,800$293.9K0.00%+10,800New
Capstone Investment Advisors, LLC10,830$294.7K0.00%−353,339−97.0%Reduced
Blair William & Co10,899$296.6K0.00%−2,199−16.8%Reduced
OneAscent Investment Solutions LLC10,927$297.3K0.28%+10,927New
Mizuho Financial Group Inc11,251$306.1K2.60%+11,251New
Natural Investments, LLC11,316$307.0K0.07%−5,632−33.2%Reduced
Hardy Reed LLC11,392$310.0K0.02%+54+0.5%Added
Concurrent Investment Advisors, LLC11,588$315.3K0.00%+11,588New
Legal & General Group Plc11,643$316.6K0.00%+11,643New
Jones Financial Companies LLLP12,490$319.5K0.00%+4,420+54.8%Added
Symmetry Investments LP11,789$320.8K0.04%+11,789New
MAI Capital Management11,875$323.1K0.00%−3,425−22.4%Reduced
Bleakley Financial Group, LLC11,903$323.9K0.00%+11,903New
Arta Finance Wealth Management LLC11,969$325.7K0.14%−19,648−62.1%Reduced
Jain Global LLC12,030$327.3K0.00%−75,200−86.2%Reduced
Valeo Financial Advisors, LLC12,093$329.1K0.01%+12,093New
Verdence Capital Advisors LLC12,120$329.8K0.02%+405+3.5%Added
FourThought Financial Partners, LLC12,268$333.8K0.03%−15,358−55.6%Reduced
GAMMA Investing LLC12,662$344.5K0.01%−120−0.9%Reduced
Prime Capital Investment Advisors, LLC12,710$345.8K0.00%+338+2.7%Added
Merit Financial Group, LLC12,783$347.8K0.00%+426+3.4%Added
Cary Street Partner Investment Advisory LLC12,785$347.9K0.07%+2,350+22.5%Added
Dynamic Advisor Solutions LLC12,914$351.4K0.01%+889+7.4%Added
Enterprise Financial Services Corp13,027$354.5K0.14%+313+2.5%Added
Bessemer Group Inc13,082$356.0K0.00%+32+0.2%Added
Allworth Financial LP13,186$358.8K0.00%−1,373−9.4%Reduced
Lido Advisors, LLC13,309$362.1K0.00%+13,309New
Global Retirement Partners, LLC13,416$365.1K0.01%+13,416New
Hennessy Advisors Inc13,431$365.5K0.01%−3,435−20.4%Reduced
Diversified Trust Co13,695$372.6K0.01%+378+2.8%Added
Aviva PLC13,807$375.7K0.00%00.0%Unchanged
Basecamp Wealth Advisors LLC13,808$375.7K0.07%+29+0.2%Added
Independent Financial Group, LLC13,945$379.4K0.01%+13,945New
Federation des caisses Desjardins du Quebec14,028$381.7K0.00%+10,728+325.1%Added
Commonwealth Financial Services, LLC14,470$393.7K0.05%−1,106−7.1%Reduced
Syon Capital LLC14,473$393.8K0.02%−4,479−23.6%Reduced
Frec Markets, Inc.14,638$398.3K0.04%+3,514+31.6%Added
Heck Capital Advisors, LLC14,657$398.8K0.02%+14,657New
E Fund Management (Hong Kong) Co., Ltd.14,847$404.0K0.13%+11,733+376.8%Added
Wealth Architects, LLC14,946$406.7K0.03%−35−0.2%Reduced
V-Square Quantitative Management LLC15,195$413.5K0.04%+1,800+13.4%Added
Choate Investment Advisors15,225$414.3K0.01%+2,036+15.4%Added
Henry James International Management, Inc.15,304$416.4K0.12%+15,304New
Inspire Advisors, LLC15,390$417.4K0.03%−1,923−11.1%Reduced
Assetmark, Inc15,340$417.4K0.00%−11,457−42.8%Reduced
Wells Fargo & Company15,430$419.8K0.00%+7,455+93.5%Added
EverSource Wealth Advisors, LLC15,625$425.2K0.01%−10,494−40.2%Reduced
Kestra Private Wealth Services, LLC16,288$443.2K0.00%+16,288New
Ascent Group, LLC16,501$449.0K0.01%+2,158+15.0%Added
May Hill Capital, LLC16,574$451.0K0.09%+2,221+15.5%Added
Venturi Wealth Management, LLC16,612$452.0K0.02%+1,571+10.4%Added
MML Investors Services, LLC16,704$454.5K0.00%+4,487+36.7%Added
EP Wealth Advisors, LLC16,879$459.3K0.00%+5,191+44.4%Added
Miracle Mile Advisors, LLC17,167$467.1K0.01%+4,671+37.4%Added
Tairen Capital Ltd17,270$469.9K0.04%+17,270New
MW Advisory, LLC17,691$481.4K0.19%+17,691New
GeoWealth Management, LLC17,912$487.4K0.02%−2,414−11.9%Reduced
Argos Wealth Advisors, LLC18,193$495.0K0.13%00.0%Unchanged
Coldstream Capital Management Inc18,235$496.2K0.01%−686−3.6%Reduced
Euro Pacific Asset Management, LLC17,814$500.0K0.06%−738−4.0%Reduced
Sivia Capital Partners, LLC18,475$502.7K0.06%00.0%Unchanged
Atlas Capital Advisors LLC18,643$507.3K0.06%+18,643New
QP Wealth Management, LLC18,656$507.6K0.72%+18,656New
Systematic Alpha Investments, LLC19,400$527.9K0.01%00.0%Unchanged
FNY Investment Advisers, LLC20,000$544.0K0.20%+20,000New
Verition Fund Management LLC20,000$544.2K0.00%+20,000New
Farther Finance Advisors, LLC20,224$549.4K0.00%+6,162+43.8%Added
Cozad Asset Management Inc20,291$552.1K0.04%+290+1.4%Added
Verus Capital Partners, LLC20,725$563.9K0.03%−7,975−27.8%Reduced
Pinnacle Wealth Planning Services, Inc.21,092$573.9K0.05%−2,939−12.2%Reduced
Sanctuary Advisors, LLC21,162$575.8K0.00%+7,302+52.7%Added
Resonant Capital Advisors, LLC21,310$579.8K0.03%−33−0.2%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management21,699$590.4K0.01%−5,353−19.8%Reduced
Tudor Investment Corp Et Al21,902$596.0K0.00%+4,335+24.7%Added
FIL Ltd22,304$606.9K0.00%−40,955−64.7%Reduced
Glenmede Trust Co NA22,494$612.1K0.00%−4,496−16.7%Reduced
Larson Financial Group LLC23,401$636.7K0.02%−2,969−11.3%Reduced
Atria Investments LLC23,545$640.7K0.01%+2,788+13.4%Added
Crestwood Advisors Group LLC23,999$653.0K0.01%+2,826+13.3%Added
BCJ Capital Management, LLC24,037$654.0K0.03%−9,501−28.3%Reduced
CBOE Vest Financial, LLC24,798$674.8K0.01%+1,109+4.7%Added
Banco Bilbao Vizcaya Argentaria, S.A.25,316$676.0K0.00%+25,316New