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 2025
Institutional positions in United Microelectronics Corp as of Dec 31, 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
- 271
- +38 vs. Q3 2025
- Shares held
- 152.3M
- +20.3M (+15.3%) vs. Q3 2025
- Total value
- $1.19B
- +$190.1M (+19.0%) vs. Q3 2025
- New holders
- 62
- 119 more added
- Sold out
- 24
- 55 more reduced
7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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.
| 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, Q4 2025
Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hantz Financial Services, Inc. | 64,090 | $504.0K | 0.01% | +21,897+51.9% | Added |
| Neuberger Berman Group LLC | 56,901 | $447.2K | 0.00% | +24,617+76.3% | Added |
| Abacus Wealth Partners, LLC | 56,625 | $445.1K | 0.04% | +56,625 | New |
| Quantbot Technologies LP | 56,125 | $441.1K | 0.01% | −179,479−76.2% | Reduced |
| Bank of Montreal | 55,957 | $439.8K | 0.00% | +37,138+197.3% | Added |
| Ariadne Wealth Management, LP | 42,006 | $432.2K | 0.18% | +108+0.3% | Added |
| Yousif Capital Management, LLC | 39,941 | $430.6K | 0.00% | 00.0% | Unchanged |
| Bridgefront Capital, LLC | 54,434 | $427.9K | 0.11% | +41,874+333.4% | Added |
| Atomi Financial Group, Inc. | 53,144 | $417.7K | 0.01% | +8,371+18.7% | Added |
| BSW Wealth Partners | 51,573 | $405.4K | 0.05% | +2,385+4.8% | Added |
| Buckingham Strategic Partners | 45,925 | $361.0K | 0.00% | +12,081+35.7% | Added |
| Foster Victor Wealth Advisors, LLC | 38,635 | $359.3K | 0.02% | +10,184+35.8% | Added |
| Colony Group, LLC | 42,362 | $333.0K | 0.00% | +15,400+57.1% | Added |
| QRG Capital Management, Inc. | 40,378 | $317.4K | 0.00% | −3,752−8.5% | Reduced |
| Mercer Global Advisors Inc | 39,704 | $312.1K | 0.00% | −1,026−2.5% | Reduced |
| Foster Group, Inc. | 39,564 | $311.0K | 0.01% | −2,301−5.5% | Reduced |
| Arta Finance Wealth Management LLC | 39,294 | $308.9K | 0.16% | +39,294 | New |
| Evergreen Capital Management LLC | 37,217 | $292.5K | 0.01% | +8,567+29.9% | Added |
| PCM Encore, LLC | 36,659 | $288.1K | 0.06% | +36,659 | New |
| Engineers Gate Manager LP | 32,127 | $252.5K | 0.00% | +3,926+13.9% | Added |
| FourThought Financial Partners, LLC | 31,357 | $246.5K | 0.02% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 30,387 | $238.8K | 0.00% | +30,387 | New |
| CogentBlue Wealth Advisors, LLC | 29,206 | $229.6K | 0.16% | +9,457+47.9% | Added |
| Glenmede Trust Co NA | 29,049 | $228.3K | 0.00% | +29,049 | New |
| Royal Bank of Canada | 29,092 | $228.0K | 0.00% | +24,247+500.5% | Added |
| Candriam Luxembourg S.C.A. | 28,764 | $226.1K | 0.00% | 00.0% | Unchanged |
| Verus Capital Partners, LLC | 28,650 | $225.2K | 0.02% | +5,900+25.9% | Added |
| Focused Alpha, LLC | 28,108 | $220.9K | 0.06% | +28,108 | New |
| R Squared Ltd | 27,926 | $219.5K | 0.10% | +27,926 | New |
| SEI Investments Co | 27,798 | $218.5K | 0.00% | +4,719+20.4% | Added |
| Ameriprise Financial Inc | 26,577 | $208.9K | 0.00% | +726+2.8% | Added |
| Greenspring Advisors, LLC | 26,013 | $204.5K | 0.01% | +26,013 | New |
| UBS Asset Management Americas Inc | 25,895 | $203.5K | 0.00% | +25,895 | New |
| BCJ Capital Management, LLC | 25,647 | $201.6K | 0.01% | +5,308+26.1% | Added |
| Canopy Partners, LLC | 25,289 | $198.8K | 0.06% | 00.0% | Unchanged |
| Sivia Capital Partners, LLC | 24,794 | $194.9K | 0.04% | −2,537−9.3% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 24,620 | $193.5K | 0.02% | −698−2.8% | Reduced |
| CWM, LLC | 24,299 | $191.0K | 0.00% | +2,204+10.0% | Added |
| Silvercrest Asset Management Group LLC | 24,070 | $189.2K | 0.00% | +5,390+28.9% | Added |
| Prudential Financial Inc | 23,570 | $187.6K | 0.00% | 00.0% | Unchanged |
| Aprio Wealth Management, LLC | 23,610 | $185.6K | 0.01% | +1,563+7.1% | Added |
| Franklin Resources Inc | 23,170 | $182.1K | 0.00% | −202−0.9% | Reduced |
| Abn Amro Investment Solutions | 21,900 | $172.1K | 0.00% | +21,900 | New |
| Advisor Group Holdings, Inc. | 21,790 | $171.3K | 0.00% | +9,786+81.5% | Added |
| CBOE Vest Financial, LLC | 21,259 | $167.1K | 0.00% | +7,376+53.1% | Added |
| Savant Capital, LLC | 20,884 | $164.1K | 0.00% | −1,201−5.4% | Reduced |
| Resonant Capital Advisors, LLC | 20,804 | $163.5K | 0.01% | +20,804 | New |
| Xponance, Inc. | 20,494 | $161.1K | 0.00% | +1,384+7.2% | Added |
| HighTower Advisors, LLC | 20,101 | $158.0K | 0.00% | +2,846+16.5% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 19,890 | $156.3K | 0.00% | +19,890 | New |
| Crestwood Advisors Group LLC | 19,501 | $153.3K | 0.00% | +6,410+49.0% | Added |
| HB Wealth Management, LLC | 19,441 | $152.8K | 0.00% | +7,769+66.6% | Added |
| United Capital Financial Advisers, LLC | 19,402 | $152.5K | 0.00% | +1,877+10.7% | Added |
| Coldstream Capital Management Inc | 19,327 | $151.9K | 0.00% | −6,747−25.9% | Reduced |
| Natural Investments, LLC | 19,273 | $151.0K | 0.04% | −594−3.0% | Reduced |
| Inspire Advisors, LLC | 18,872 | $148.3K | 0.01% | +233+1.3% | Added |
| Flow Traders U.S. LLC | 18,508 | $145.0K | 0.00% | +18,508 | New |
| Hennessy Advisors Inc | 18,212 | $143.1K | 0.01% | +1,471+8.8% | Added |
| Argos Wealth Advisors, LLC | 18,193 | $143.0K | 0.04% | +18,193 | New |
| EverSource Wealth Advisors, LLC | 17,980 | $141.3K | 0.01% | −386−2.1% | Reduced |
| Raymond James Financial Inc | 17,418 | $136.9K | 0.00% | −18,083−50.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 17,158 | $134.5K | 0.00% | +4,217+32.6% | Added |
| EP Wealth Advisors, LLC | 17,112 | $134.5K | 0.00% | +17,112 | New |
| Prime Capital Investment Advisors, LLC | 16,531 | $129.9K | 0.00% | −459−2.7% | Reduced |
| Walleye Capital LLC | 16,240 | $127.6K | 0.00% | +16,240 | New |
| Atria Investments LLC | 15,970 | $125.5K | 0.00% | −97−0.6% | Reduced |
| Cetera Investment Advisers | 15,472 | $121.6K | 0.00% | +1,103+7.7% | Added |
| Euro Pacific Asset Management, LLC | 14,716 | $120.0K | 0.01% | +4,700+46.9% | Added |
| Assetmark, Inc | 15,185 | $119.4K | 0.00% | +12,712+514.0% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 15,068 | $118.4K | 0.00% | +701+4.9% | Added |
| Wealth Architects, LLC | 14,981 | $117.8K | 0.01% | 00.0% | Unchanged |
| Leo Wealth, LLC | 14,948 | $117.5K | 0.01% | +430+3.0% | Added |
| Diversified Trust Co | 14,835 | $116.6K | 0.00% | +157+1.1% | Added |
| Venturi Wealth Management, LLC | 14,614 | $114.9K | 0.01% | +14,614 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 14,467 | $113.7K | 0.00% | +14,467 | New |
| Ascent Group, LLC | 14,372 | $113.0K | 0.00% | +326+2.3% | Added |
| Cozad Asset Management Inc | 14,129 | $111.1K | 0.01% | 00.0% | Unchanged |
| May Hill Capital, LLC | 14,092 | $110.8K | 0.03% | +2,023+16.8% | Added |
| Aviva PLC | 13,807 | $108.5K | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 13,779 | $108.3K | 0.02% | +13,779 | New |
| GeoWealth Management, LLC | 13,778 | $108.3K | 0.00% | −1,932−12.3% | Reduced |
| Henry James International Management, Inc. | 13,747 | $108.1K | 0.03% | −209−1.5% | Reduced |
| Tuttle Tactical Management | 13,663 | $107.4K | 0.24% | +13,663 | New |
| Centiva Capital, LP | 13,269 | $104.3K | 0.01% | +13,269 | New |
| Sepio Capital, LP | 13,169 | $103.5K | 0.01% | −2,123−13.9% | Reduced |
| Verdence Capital Advisors LLC | 13,088 | $102.9K | 0.01% | +741+6.0% | Added |
| Syon Capital LLC | 13,069 | $102.7K | 0.01% | +13,069 | New |
| Choate Investment Advisors | 12,864 | $101.1K | 0.00% | +12,864 | New |
| Lido Advisors, LLC | 12,985 | $100.2K | 0.00% | 00.0% | Unchanged |
| Scientech Research LLC | 12,745 | $100.2K | 0.06% | +12,745 | New |
| Bessemer Group Inc | 12,558 | $99.0K | 0.00% | +624+5.2% | Added |
| GAMMA Investing LLC | 12,249 | $96.3K | 0.00% | −86−0.7% | Reduced |
| Enterprise Financial Services Corp | 12,212 | $96.0K | 0.05% | +12,212 | New |
| Caitong International Asset Management Co., Ltd | 11,956 | $94.0K | 0.02% | +11,321+1,782.8% | Added |
| Dynamic Advisor Solutions LLC | 11,655 | $91.6K | 0.00% | +11,655 | New |
| Commonwealth Equity Services, LLC | 11,599 | $91.2K | 0.00% | −2,315−16.6% | Reduced |
| Farther Finance Advisors, LLC | 11,345 | $89.2K | 0.00% | +6,661+142.2% | Added |
| Hardy Reed LLC | 11,228 | $88.3K | 0.01% | +11,228 | New |
| Graham Capital Management, L.P. | 11,213 | $88.1K | 0.00% | +11,213 | New |
| RSM US Wealth Management LLC | 10,488 | $83.5K | 0.00% | +10,488 | New |