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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 365 | $4.89B |
| Q1 2026 | 319 | $1.57B |
| Q4 2025 | 271 | $1.19B |
| Q3 2025 | 240 | $1.00B |
| Q2 2025 | 239 | $1.16B |
| Q1 2025 | 234 | $1.11B |
| Q4 2024 | 253 | $1.04B |
| Q3 2024 | 268 | $1.35B |
| Q2 2024 | 238 | $1.16B |
| Q1 2024 | 242 | $1.07B |
| Q4 2023 | 250 | $1.03B |
| Q3 2023 | 217 | $912.6M |
| Q2 2023 | 220 | $1.00B |
| Q1 2023 | 221 | $1.15B |
| Q4 2022 | 223 | $873.8M |
| Q3 2022 | 226 | $744.5M |
| Q2 2022 | 225 | $857.0M |
| Q1 2022 | 241 | $1.17B |
| Q4 2021 | 264 | $1.32B |
| Q3 2021 | 230 | $1.35B |
| Q2 2021 | 203 | $846.6M |
| Q1 2021 | 205 | $818.6M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31,544,454 | $858.3M | 0.01% | +4,048,574+14.7% | Added |
| UBS Group AG | 11,632,967 | $316.5M | 0.05% | +3,457,823+42.3% | Added |
| Goldman Sachs Group Inc | 11,109,785 | $302.3M | 0.03% | +5,234,921+89.1% | Added |
| Bank of America Corp | 10,181,208 | $277.0M | 0.02% | +7,577,990+291.1% | Added |
| Vanguard Capital Management LLC | 8,601,967 | $234.1M | 0.01% | −386,476−4.3% | Reduced |
| Morgan Stanley | 8,285,573 | $225.5M | 0.01% | −492,330−5.6% | Reduced |
| AQR Capital Management LLC | 7,718,125 | $210.0M | 0.07% | −6,995,905−47.5% | Reduced |
| Rafferty Asset Management, LLC | 7,653,378 | $208.2M | 0.47% | +2,669,725+53.6% | Added |
| Acadian Asset Management LLC | 5,753,245 | $156.5M | 0.19% | −2,370,954−29.2% | Reduced |
| Man Group plc | 5,593,427 | $152.2M | 0.28% | −135,474−2.4% | Reduced |
| Citigroup Inc | 5,414,362 | $147.3M | 0.07% | +1,117,640+26.0% | Added |
| Barclays PLC | 4,892,286 | $133.1M | 0.04% | +153,419+3.2% | Added |
| State Street Corp | 4,878,124 | $132.7M | 0.00% | −135,085−2.7% | Reduced |
| Neuberger Berman Group LLC | 4,134,788 | $111.0M | 0.07% | +4,020,723+3,524.9% | Added |
| Northern Trust Corp | 3,986,872 | $108.5M | 0.01% | +787,998+24.6% | Added |
| JPMorgan Chase & Co | 3,660,899 | $98.3M | 0.01% | +3,400,195+1,304.2% | Added |
| Dimensional Fund Advisors LP | 3,218,824 | $87.6M | 0.02% | +369,087+13.0% | Added |
| Two Sigma Investments, LP | 3,088,852 | $84.0M | 0.06% | −6,566,550−68.0% | Reduced |
| Creative Planning | 2,450,717 | $66.7M | 0.04% | +86,346+3.7% | Added |
| Toroso Investments, LLC | 2,355,267 | $64.1M | 0.16% | +759,116+47.6% | Added |
| Empowered Funds, LLC | 1,891,076 | $51.5M | 0.27% | +1,891,076 | New |
| Matthews International Capital Management LLC | 1,465,694 | $39.9M | 13.67% | +488,049+49.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 1,342,996 | $36.5M | 0.07% | +632,913+89.1% | Added |
| Vanguard Portfolio Management LLC | 1,231,451 | $33.5M | 0.00% | −1,531,631−55.4% | Reduced |
| BNP Paribas Arbitrage, SA | 1,126,943 | $30.7M | 0.02% | −454,936−28.8% | Reduced |
| E Fund Management Co., Ltd. | 995,790 | $27.1M | 0.61% | +995,790 | New |
| Capital Fund Management S.A. | 897,313 | $24.4M | 0.17% | +151,975+20.4% | Added |
| Nomura Holdings Inc | 813,901 | $22.1M | 0.09% | +813,901 | New |
| Quantinno Capital Management LP | 791,129 | $21.5M | 0.03% | +80,525+11.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 768,617 | $20.9M | 0.02% | −280,753−26.8% | Reduced |
| SG Americas Securities, LLC | 687,022 | $18.7M | 0.01% | +587,076+587.4% | Added |
| US Bancorp | 683,413 | $18.6M | 0.02% | −132,150−16.2% | Reduced |
| Mackenzie Financial Corp | 614,123 | $16.7M | 0.02% | +74,440+13.8% | Added |
| Squarepoint Ops LLC | 603,410 | $16.4M | 0.03% | +479,915+388.6% | Added |
| Vident Advisory, LLC | 548,932 | $14.9M | 0.11% | −86,323−13.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 516,370 | $14.1M | 0.07% | +89,729+21.0% | Added |
| Millennium Management LLC | 505,576 | $13.8M | 0.01% | −1,264,553−71.4% | Reduced |
| Moran Wealth Management, LLC | 500,125 | $13.6M | 0.37% | −410,291−45.1% | Reduced |
| Rhumbline Advisers | 493,285 | $13.4M | 0.01% | −174,292−26.1% | Reduced |
| Laird Norton Trust Company, LLC | 476,903 | $13.0M | 0.25% | +15,351+3.3% | Added |
| Quadrant Capital Group LLC | 444,777 | $12.1M | 0.33% | −17,878−3.9% | Reduced |
| JustInvest LLC | 434,448 | $11.8M | 0.10% | +16,128+3.9% | Added |
| LSV Asset Management | 434,160 | $11.8M | 0.02% | −260,051−37.5% | Reduced |
| Guggenheim Capital LLC | 422,818 | $11.5M | 0.07% | −9,227−2.1% | Reduced |
| Vanguard Fiduciary Trust Co | 420,098 | $11.4M | 0.00% | −20,469−4.6% | Reduced |
| Advisors Asset Management, Inc. | 386,286 | $10.5M | 0.16% | +23,198+6.4% | Added |
| Ethic Inc. | 374,860 | $10.2M | 0.13% | −68,837−15.5% | Reduced |
| Nykredit A/S | 350,050 | $9.52M | 0.04% | +350,050 | New |
| First Trust Advisors LP | 345,845 | $9.41M | 0.01% | −60,547−14.9% | Reduced |
| Nuveen, LLC | 257,707 | $7.01M | 0.00% | +257,707 | New |
| LMR Partners LLP | 255,600 | $6.95M | 0.05% | +255,600 | New |
| Wellington Management Group LLP | 231,006 | $6.29M | 0.00% | +133,779+137.6% | Added |
| Signaturefd, LLC | 229,089 | $6.23M | 0.08% | −1,765−0.8% | Reduced |
| Schroder Investment Management Group | 227,947 | $6.12M | 0.00% | −65,148−22.2% | Reduced |
| Russell Investments Group, Ltd. | 223,026 | $6.07M | 0.01% | +147,394+194.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 222,975 | $6.07M | 0.05% | −430,524−65.9% | Reduced |
| Walleye Trading LLC | 222,621 | $6.06M | 0.08% | +155,350+230.9% | Added |
| Cerity Partners LLC | 218,617 | $5.95M | 0.01% | −26,137−10.7% | Reduced |
| Natixis Advisors, L.P. | 217,716 | $5.92M | 0.01% | −9,004−4.0% | Reduced |
| Deutsche Bank AG | 211,691 | $5.76M | 0.00% | +211,691 | New |
| Citadel Advisors LLC | 210,158 | $5.72M | 0.00% | −555,164−72.5% | Reduced |
| NLB Skladi, upravljanje premozenja, d.o.o. | 206,000 | $5.61M | 0.21% | +22,141+12.0% | Added |
| Susquehanna International Group, LLP | 201,041 | $5.47M | 0.00% | −374,697−65.1% | Reduced |
| Ieq Capital, LLC | 196,950 | $5.36M | 0.02% | −11,920−5.7% | Reduced |
| D. E. Shaw & Co., Inc. | 196,314 | $5.34M | 0.00% | −1,695,294−89.6% | Reduced |
| Ballentine Partners, LLC | 192,689 | $5.24M | 0.06% | +30,595+18.9% | Added |
| Crossmark Global Holdings, Inc. | 191,794 | $5.22M | 0.07% | +6,321+3.4% | Added |
| Sequoia Financial Advisors, LLC | 187,208 | $5.09M | 0.03% | −19,845−9.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 185,209 | $5.04M | 0.01% | −126,323−40.5% | Reduced |
| Baird Financial Group, Inc. | 175,563 | $4.78M | 0.01% | −250,340−58.8% | Reduced |
| Vise Technologies, Inc. | 174,880 | $4.76M | 0.05% | +32,646+23.0% | Added |
| Abn Amro Investment Solutions | 172,000 | $4.68M | 0.04% | +84,300+96.1% | Added |
| Mariner, LLC | 170,263 | $4.63M | 0.00% | −20,119−10.6% | Reduced |
| XTX Topco Ltd | 167,200 | $4.55M | 0.06% | +16,345+10.8% | Added |
| Storebrand Asset Management AS | 146,875 | $4.00M | 0.01% | −160,477−52.2% | Reduced |
| Greenleaf Trust | 144,148 | $3.92M | 0.04% | +1,152+0.8% | Added |
| Pathstone Holdings, LLC | 142,719 | $3.88M | 0.01% | +39,817+38.7% | Added |
| Lazard Asset Management LLC | 140,112 | $3.81M | 0.01% | +70,124+100.2% | Added |
| Marshall Wace, LLP | 139,510 | $3.80M | 0.00% | −65,904−32.1% | Reduced |
| CI Private Wealth, LLC | 137,946 | $3.75M | 0.01% | −18,299−11.7% | Reduced |
| FMR LLC | 136,613 | $3.72M | 0.00% | +16,465+13.7% | Added |
| Delta Global Management LP | 133,925 | $3.64M | 0.40% | −25,822−16.2% | Reduced |
| Callan Family Office, LLC | 133,907 | $3.64M | 0.07% | −13,637−9.2% | Reduced |
| Profund Advisors LLC | 133,794 | $3.64M | 0.10% | +9,449+7.6% | Added |
| Parallel Advisors, LLC | 129,565 | $3.53M | 0.05% | +4,727+3.8% | Added |
| CAPROCK Group, Inc. | 126,799 | $3.45M | 0.07% | +14,155+12.6% | Added |
| Frank, Rimerman Advisors LLC | 124,326 | $3.38M | 0.19% | +1,293+1.1% | Added |
| Boston Partners | 119,435 | $3.25M | 0.00% | +119,435 | New |
| Envestnet Asset Management Inc | 118,955 | $3.24M | 0.00% | −33,706−22.1% | Reduced |
| Eurizon Capital SGR S.p.A. | 120,446 | $3.24M | 0.01% | −403,758−77.0% | Reduced |
| The PNC Financial Services Group, Inc. | 118,012 | $3.21M | 0.00% | −48,745−29.2% | Reduced |
| LPL Financial LLC | 116,323 | $3.17M | 0.00% | +3,967+3.5% | Added |
| Invesco Ltd. | 115,680 | $3.15M | 0.00% | +12,916+12.6% | Added |
| Polymer Capital Management (HK) LTD | 115,074 | $3.13M | 0.32% | +115,074 | New |
| SEI Investments Co | 113,874 | $3.10M | 0.00% | −55,309−32.7% | Reduced |
| Walleye Capital LLC | 113,494 | $3.09M | 0.01% | +40,755+56.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 112,570 | $3.06M | 0.01% | +112,570 | New |
| AIA Group Ltd | 102,286 | $2.78M | 0.04% | +11,487+12.7% | Added |
| Generali Investments CEE, investicni spolecnost, a.s. | 102,036 | $2.78M | 0.13% | +621+0.6% | Added |
| Ritholtz Wealth Management | 100,009 | $2.72M | 0.04% | +16,299+19.5% | Added |