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 2026
Institutional positions in United Microelectronics Corp as of Mar 31, 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
- 319
- +51 vs. Q4 2025
- Shares held
- 176.0M
- +37.2M (+26.8%) vs. Q4 2025
- Total value
- $1.57B
- +$484.9M (+44.7%) vs. Q4 2025
- New holders
- 73
- 145 more added
- Sold out
- 22
- 55 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SG Americas Securities, LLC | 99,946 | $898.0K | 0.00% | +99,946 | New |
| DRW Securities, LLC | 98,977 | $888.8K | 0.05% | +98,977 | New |
| Wellington Management Group LLP | 97,227 | $873.1K | 0.00% | +97,227 | New |
| DGS Capital Management, LLC | 95,304 | $855.8K | 0.14% | +2,359+2.5% | Added |
| AIA Group Ltd | 90,799 | $815.4K | 0.01% | +90,799 | New |
| Abn Amro Investment Solutions | 87,700 | $787.5K | 0.01% | +65,800+300.5% | Added |
| Jain Global LLC | 87,230 | $783.3K | 0.01% | +87,230 | New |
| QRG Capital Management, Inc. | 86,927 | $780.6K | 0.01% | +46,549+115.3% | Added |
| Quantbot Technologies LP | 86,138 | $773.5K | 0.03% | +30,013+53.5% | Added |
| Ritholtz Wealth Management | 83,710 | $751.7K | 0.01% | +580+0.7% | Added |
| TCW Group Inc | 83,033 | $745.6K | 0.01% | +9,658+13.2% | Added |
| Ignite Planners, LLC | 81,497 | $730.1K | 0.11% | −3,431−4.0% | Reduced |
| Bank of Montreal | 77,966 | $700.1K | 0.00% | +22,009+39.3% | Added |
| Russell Investments Group, Ltd. | 75,632 | $679.2K | 0.00% | +75,551+93,272.8% | Added |
| Ronald Blue Trust, Inc. | 75,486 | $677.9K | 0.01% | −10,000−11.7% | Reduced |
| Walleye Capital LLC | 72,739 | $653.2K | 0.00% | +56,499+347.9% | Added |
| Cambridge Investment Research Advisors, Inc. | 72,016 | $647.0K | 0.00% | −3,487−4.6% | Reduced |
| PDS Planning, Inc | 72,025 | $646.8K | 0.04% | −1,851−2.5% | Reduced |
| Lazard Asset Management LLC | 69,988 | $628.5K | 0.00% | +69,988 | New |
| Walleye Trading LLC | 67,271 | $604.1K | 0.01% | +67,271 | New |
| Hantz Financial Services, Inc. | 66,637 | $598.0K | 0.01% | +2,547+4.0% | Added |
| Vanguard Global Advisers, LLC | 63,308 | $568.5K | 0.00% | +63,308 | New |
| FIL Ltd | 63,259 | $568.1K | 0.00% | −15,595−19.8% | Reduced |
| Atomi Financial Group, Inc. | 61,630 | $553.4K | 0.02% | +8,486+16.0% | Added |
| UBS Asset Management Americas Inc | 59,173 | $531.4K | 0.00% | +33,278+128.5% | Added |
| GWM Advisors LLC | 56,558 | $507.9K | 0.00% | +55,895+8,430.6% | Added |
| Axq Capital, LP | 56,101 | $503.8K | 0.06% | +56,101 | New |
| Abacus Wealth Partners, LLC | 55,860 | $501.6K | 0.05% | −765−1.4% | Reduced |
| RFG Advisory, LLC | 55,230 | $496.0K | 0.01% | +55,230 | New |
| Two Sigma Securities, LLC | 53,982 | $484.8K | 0.06% | +53,982 | New |
| Colony Group, LLC | 45,546 | $473.9K | 0.00% | +3,184+7.5% | Added |
| Simplex Trading, LLC | 51,364 | $461.2K | 0.01% | +51,364 | New |
| Ridgewood Investments LLC | 50,692 | $455.2K | 0.19% | +50,692 | New |
| Rockefeller Capital Management L.P. | 50,292 | $451.6K | 0.00% | +50,292 | New |
| Amundi | 49,953 | $448.6K | 0.00% | +49,953 | New |
| Haven Private, LLC | 49,050 | $440.5K | 0.19% | +49,050 | New |
| Xponance, Inc. | 47,952 | $430.6K | 0.00% | +27,458+134.0% | Added |
| Buckingham Strategic Partners | 47,796 | $428.3K | 0.00% | +1,871+4.1% | Added |
| Artemis Investment Management LLP | 44,485 | $399.5K | 0.00% | +44,485 | New |
| First Affirmative Financial Network | 43,759 | $393.0K | 0.15% | +43,759 | New |
| Foster Victor Wealth Advisors, LLC | 39,961 | $383.2K | 0.02% | +1,326+3.4% | Added |
| Ariadne Wealth Management, LP | 42,006 | $377.2K | 0.17% | 00.0% | Unchanged |
| PCM Encore, LLC | 40,166 | $360.7K | 0.07% | +3,507+9.6% | Added |
| Yousif Capital Management, LLC | 39,941 | $358.7K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 39,775 | $357.2K | 0.00% | +71+0.2% | Added |
| Foster Group, Inc. | 39,626 | $355.8K | 0.01% | +62+0.2% | Added |
| BSW Wealth Partners | 39,277 | $352.7K | 0.04% | −12,296−23.8% | Reduced |
| HighTower Advisors, LLC | 38,116 | $342.3K | 0.00% | +18,015+89.6% | Added |
| Evergreen Capital Management LLC | 37,217 | $334.2K | 0.01% | 00.0% | Unchanged |
| Royal Bank of Canada | 36,669 | $330.0K | 0.00% | +7,577+26.0% | Added |
| Aaron Wealth Advisors | 35,927 | $322.6K | 0.02% | +35,927 | New |
| BCJ Capital Management, LLC | 33,538 | $301.2K | 0.02% | +7,891+30.8% | Added |
| Focused Alpha, LLC | 32,869 | $295.2K | 0.09% | +4,761+16.9% | Added |
| Arta Finance Wealth Management LLC | 31,617 | $283.9K | 0.14% | −7,677−19.5% | Reduced |
| CogentBlue Wealth Advisors, LLC | 29,758 | $267.2K | 0.18% | +552+1.9% | Added |
| Ameriprise Financial Inc | 29,467 | $264.6K | 0.00% | +2,890+10.9% | Added |
| Advisor Group Holdings, Inc. | 28,989 | $260.3K | 0.00% | +7,199+33.0% | Added |
| Candriam Luxembourg S.C.A. | 28,764 | $258.3K | 0.00% | 00.0% | Unchanged |
| Verus Capital Partners, LLC | 28,700 | $257.7K | 0.02% | +50+0.2% | Added |
| ExodusPoint Capital Management, LP | 27,712 | $248.9K | 0.00% | +27,712 | New |
| FourThought Financial Partners, LLC | 27,626 | $248.1K | 0.02% | −3,731−11.9% | Reduced |
| Greenspring Advisors, LLC | 27,256 | $244.8K | 0.01% | +1,243+4.8% | Added |
| Savant Capital, LLC | 27,240 | $244.6K | 0.00% | +6,356+30.4% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 27,052 | $242.9K | 0.00% | +7,162+36.0% | Added |
| Glenmede Trust Co NA | 26,990 | $242.4K | 0.00% | −2,059−7.1% | Reduced |
| Assetmark, Inc | 26,797 | $240.6K | 0.00% | +11,612+76.5% | Added |
| Larson Financial Group LLC | 26,370 | $236.8K | 0.01% | +25,612+3,378.9% | Added |
| EverSource Wealth Advisors, LLC | 26,119 | $234.5K | 0.01% | +8,139+45.3% | Added |
| Aprio Wealth Management, LLC | 25,988 | $233.4K | 0.01% | +2,378+10.1% | Added |
| Vontobel Holding Ltd. | 25,687 | $230.7K | 0.00% | −4,700−15.5% | Reduced |
| Canopy Partners, LLC | 25,645 | $230.3K | 0.08% | +356+1.4% | Added |
| Caitong International Asset Management Co., Ltd | 25,382 | $227.9K | 0.04% | +13,426+112.3% | Added |
| Silvercrest Asset Management Group LLC | 25,355 | $227.7K | 0.00% | +1,285+5.3% | Added |
| Keybank National Association | 24,524 | $220.2K | 0.00% | +24,524 | New |
| HB Wealth Management, LLC | 24,150 | $216.9K | 0.00% | +4,709+24.2% | Added |
| CWM, LLC | 24,135 | $216.7K | 0.00% | −164−0.7% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 24,031 | $215.8K | 0.02% | −589−2.4% | Reduced |
| CBOE Vest Financial, LLC | 23,689 | $212.7K | 0.00% | +2,430+11.4% | Added |
| United Capital Financial Advisers, LLC | 23,585 | $211.8K | 0.00% | +4,183+21.6% | Added |
| Prudential Financial Inc | 23,570 | $211.7K | 0.00% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 23,529 | $211.3K | 0.00% | +23,529 | New |
| Franklin Resources Inc | 23,170 | $208.1K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 23,112 | $207.3K | 0.00% | +5,954+34.7% | Added |
| Resonant Capital Advisors, LLC | 21,343 | $191.7K | 0.01% | +539+2.6% | Added |
| HSBC Holdings PLC | 21,496 | $191.3K | 0.00% | +21,496 | New |
| Crestwood Advisors Group LLC | 21,173 | $190.1K | 0.00% | +1,672+8.6% | Added |
| Oakum Bay Capital LLC | 21,000 | $188.6K | 0.10% | +21,000 | New |
| Atria Investments LLC | 20,757 | $186.4K | 0.00% | +4,787+30.0% | Added |
| GeoWealth Management, LLC | 20,326 | $182.5K | 0.01% | +6,548+47.5% | Added |
| Eventide Asset Management, LLC | 21,147 | $182.1K | 0.00% | +21,147 | New |
| Cozad Asset Management Inc | 20,001 | $179.6K | 0.01% | +5,872+41.6% | Added |
| Centiva Capital, LP | 19,732 | $177.2K | 0.01% | +6,463+48.7% | Added |
| Abc Arbitrage SA | 19,658 | $176.5K | 0.02% | +19,658 | New |
| Systematic Alpha Investments, LLC | 19,400 | $174.2K | 0.01% | +19,400 | New |
| Graham Capital Management, L.P. | 19,334 | $173.6K | 0.01% | +8,121+72.4% | Added |
| Euro Pacific Asset Management, LLC | 18,552 | $171.0K | 0.02% | +3,836+26.1% | Added |
| Syon Capital LLC | 18,952 | $170.2K | 0.01% | +5,883+45.0% | Added |
| Coldstream Capital Management Inc | 18,921 | $169.9K | 0.00% | −406−2.1% | Reduced |
| SummitTX Capital, L.P. | 18,790 | $168.7K | 0.01% | +18,790 | New |
| Sivia Capital Partners, LLC | 18,475 | $165.9K | 0.03% | −6,319−25.5% | Reduced |