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, Q3 2025
Institutional positions in United Microelectronics Corp as of Sep 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
- 240
- +3 vs. Q2 2025
- Shares held
- 132.6M
- −18.6M (−12.3%) vs. Q2 2025
- Total value
- $1.00B
- −$153.5M (−13.3%) vs. Q2 2025
- New holders
- 41
- 81 more added
- Sold out
- 38
- 88 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 24,140,761 | $183.0M | 0.00% | −176,299−0.7% | Reduced |
| Morgan Stanley | 21,851,367 | $165.6M | 0.01% | +37,240+0.2% | Added |
| Vanguard Group Inc | 14,252,440 | $108.0M | 0.00% | −573,031−3.9% | Reduced |
| Bank of America Corp | 7,388,868 | $56.0M | 0.00% | +344,416+4.9% | Added |
| Rafferty Asset Management, LLC | 6,220,701 | $47.2M | 0.15% | −2,182,363−26.0% | Reduced |
| State Street Corp | 4,529,776 | $34.3M | 0.00% | +236,822+5.5% | Added |
| Goldman Sachs Group Inc | 4,411,850 | $33.4M | 0.00% | −1,173,732−21.0% | Reduced |
| Schroder Investment Management Group | 4,152,929 | $31.5M | 0.02% | −84,858−2.0% | Reduced |
| Barclays PLC | 4,076,004 | $30.9M | 0.01% | −1,181,830−22.5% | Reduced |
| UBS Group AG | 3,762,035 | $28.5M | 0.01% | −13,126,786−77.7% | Reduced |
| Two Sigma Investments, LP | 3,530,564 | $26.8M | 0.04% | +3,151,936+832.5% | Added |
| Northern Trust Corp | 3,428,986 | $26.0M | 0.00% | −187,450−5.2% | Reduced |
| Marshall Wace, LLP | 2,801,405 | $21.2M | 0.02% | +2,801,405 | New |
| Citigroup Inc | 2,295,246 | $17.4M | 0.01% | −1,432,571−38.4% | Reduced |
| Dimensional Fund Advisors LP | 2,084,585 | $15.8M | 0.00% | +340,970+19.6% | Added |
| Creative Planning | 1,845,971 | $14.0M | 0.01% | +156,429+9.3% | Added |
| Two Sigma Advisers, LP | 1,609,700 | $12.2M | 0.02% | +1,598,000+13,658.1% | Added |
| BNP Paribas Arbitrage, SA | 1,496,318 | $11.3M | 0.01% | +10,314+0.7% | Added |
| AQR Capital Management LLC | 971,846 | $7.37M | 0.00% | −473,632−32.8% | Reduced |
| Rhumbline Advisers | 722,523 | $5.48M | 0.00% | +6,193+0.9% | Added |
| Moran Wealth Management, LLC | 696,496 | $5.28M | 0.16% | +24,372+3.6% | Added |
| JPMorgan Chase & Co | 608,033 | $4.61M | 0.00% | −1,060,813−63.6% | Reduced |
| Vident Advisory, LLC | 583,981 | $4.43M | 0.04% | +14,171+2.5% | Added |
| LSV Asset Management | 565,611 | $4.29M | 0.01% | 00.0% | Unchanged |
| US Bancorp | 541,044 | $4.10M | 0.00% | +274,157+102.7% | Added |
| Baird Financial Group, Inc. | 528,165 | $4.00M | 0.01% | +2,759+0.5% | Added |
| Man Group plc | 482,533 | $3.66M | 0.01% | +463,187+2,394.2% | Added |
| Susquehanna International Group, LLP | 436,255 | $3.31M | 0.00% | +76,127+21.1% | Added |
| Ethic Inc. | 424,992 | $3.22M | 0.05% | +81,418+23.7% | Added |
| First Trust Advisors LP | 417,655 | $3.17M | 0.00% | +305,479+272.3% | Added |
| Quantinno Capital Management LP | 398,689 | $3.02M | 0.01% | +51,695+14.9% | Added |
| Guggenheim Capital LLC | 386,036 | $2.93M | 0.02% | +35,654+10.2% | Added |
| O'Shaughnessy Asset Management, LLC | 369,310 | $2.80M | 0.02% | −16,221−4.2% | Reduced |
| JustInvest LLC | 333,351 | $2.53M | 0.03% | −32,357−8.8% | Reduced |
| Quadrant Capital Group LLC | 332,605 | $2.52M | 0.08% | −64,997−16.3% | Reduced |
| Wetherby Asset Management Inc | 320,156 | $2.43M | 0.10% | −6,648−2.0% | Reduced |
| Millennium Management LLC | 311,911 | $2.36M | 0.00% | +253,131+430.6% | Added |
| Storebrand Asset Management AS | 307,352 | $2.33M | 0.01% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 285,011 | $2.16M | 0.04% | +285,011 | New |
| Advisors Asset Management, Inc. | 276,616 | $2.10M | 0.04% | +41,077+17.4% | Added |
| Crossmark Global Holdings, Inc. | 259,953 | $1.97M | 0.03% | −1,021,224−79.7% | Reduced |
| Mackenzie Financial Corp | 251,916 | $1.91M | 0.00% | +179,182+246.4% | Added |
| Jane Street Group, LLC | 249,861 | $1.89M | 0.00% | +249,861 | New |
| Cerity Partners LLC | 243,085 | $1.84M | 0.00% | +223+0.1% | Added |
| Quantbot Technologies LP | 235,604 | $1.79M | 0.05% | +227,633+2,855.8% | Added |
| Squarepoint Ops LLC | 234,183 | $1.78M | 0.00% | +85,546+57.6% | Added |
| Signaturefd, LLC | 227,373 | $1.72M | 0.03% | −5,487−2.4% | Reduced |
| Jump Financial, LLC | 225,248 | $1.71M | 0.02% | +225,248 | New |
| FMR LLC | 215,428 | $1.63M | 0.00% | −4,923−2.2% | Reduced |
| Ieq Capital, LLC | 186,209 | $1.41M | 0.00% | +104,956+129.2% | Added |
| Sequoia Financial Advisors, LLC | 182,141 | $1.38M | 0.01% | +5,538+3.1% | Added |
| West Family Investments, Inc. | 173,246 | $1.31M | 0.29% | −14,450−7.7% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 169,415 | $1.28M | 0.10% | −1,364−0.8% | Reduced |
| Ballentine Partners, LLC | 163,136 | $1.24M | 0.02% | −20,118−11.0% | Reduced |
| Natixis Advisors, L.P. | 157,445 | $1.19M | 0.00% | −6,073−3.7% | Reduced |
| Greenleaf Trust | 150,293 | $1.14M | 0.01% | −493−0.3% | Reduced |
| The PNC Financial Services Group, Inc. | 145,132 | $1.10M | 0.00% | +39,764+37.7% | Added |
| Summit Global Investments | 144,665 | $1.10M | 0.06% | +144,665 | New |
| Mariner, LLC | 143,905 | $1.09M | 0.00% | −42,787−22.9% | Reduced |
| Ronald Blue Trust, Inc. | 137,738 | $1.04M | 0.01% | +38,397+38.7% | Added |
| CI Private Wealth, LLC | 135,526 | $1.03M | 0.00% | −44,669−24.8% | Reduced |
| Vise Technologies, Inc. | 134,165 | $1.02M | 0.04% | −58,549−30.4% | Reduced |
| Profund Advisors LLC | 131,921 | $1.00M | 0.03% | +9,090+7.4% | Added |
| North of South Capital LLP | 125,000 | $947.5K | 0.09% | +125,000 | New |
| Parallel Advisors, LLC | 121,593 | $921.7K | 0.02% | −10,782−8.1% | Reduced |
| Toroso Investments, LLC | 121,514 | $921.1K | 0.00% | +11,139+10.1% | Added |
| Ignite Planners, LLC | 110,668 | $838.9K | 0.14% | −2,504−2.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 95,369 | $722.9K | 0.02% | −875,038−90.2% | Reduced |
| Balyasny Asset Management LLC | 93,824 | $711.2K | 0.00% | −369,653−79.8% | Reduced |
| Pathstone Holdings, LLC | 93,612 | $709.6K | 0.00% | −5,923−6.0% | Reduced |
| DGS Capital Management, LLC | 93,610 | $709.6K | 0.13% | +918+1.0% | Added |
| CAPROCK Group, Inc. | 106,385 | $700.0K | 0.02% | +106,385 | New |
| Invesco Ltd. | 89,194 | $676.1K | 0.00% | +1,558+1.8% | Added |
| Hennion & Walsh Asset Management, Inc. | 86,571 | $656.2K | 0.02% | −73,802−46.0% | Reduced |
| Ritholtz Wealth Management | 83,321 | $631.6K | 0.01% | −4,342−5.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 80,922 | $613.0K | 0.00% | +4,787+6.3% | Added |
| Bridgewater Advisors Inc. | 77,989 | $570.1K | 0.04% | +2,395+3.2% | Added |
| TCW Group Inc | 73,375 | $556.2K | 0.00% | −7,878−9.7% | Reduced |
| AXA Investment Managers S.A. | 71,783 | $544.1K | 0.00% | +71,783 | New |
| PDS Planning, Inc | 68,398 | $518.5K | 0.04% | −2,360−3.3% | Reduced |
| LPL Financial LLC | 68,179 | $516.8K | 0.00% | +9,690+16.6% | Added |
| Bayforest Capital Ltd | 59,666 | $452.3K | 0.22% | +40,337+208.7% | Added |
| Ridgewood Investments LLC | 54,667 | $414.4K | 0.17% | +54,667 | New |
| Aigen Investment Management, LP | 53,905 | $408.6K | 0.06% | +53,905 | New |
| Citadel Advisors LLC | 50,539 | $383.1K | 0.00% | −542,340−91.5% | Reduced |
| BSW Wealth Partners | 49,188 | $372.8K | 0.05% | +13,706+38.6% | Added |
| Envestnet Asset Management Inc | 48,014 | $363.9K | 0.00% | −42,100−46.7% | Reduced |
| Encompass More Asset Management | 46,355 | $351.4K | 0.07% | +46,355 | New |
| Verition Fund Management LLC | 46,152 | $349.8K | 0.00% | −15,929−25.7% | Reduced |
| First Affirmative Financial Network | 45,578 | $345.5K | 0.16% | +1,346+3.0% | Added |
| Atomi Financial Group, Inc. | 44,773 | $339.4K | 0.01% | −5,587−11.1% | Reduced |
| QRG Capital Management, Inc. | 44,130 | $334.5K | 0.00% | −21,897−33.2% | Reduced |
| Hantz Financial Services, Inc. | 42,193 | $320.0K | 0.00% | +20,737+96.6% | Added |
| Foster Group, Inc. | 41,865 | $317.3K | 0.01% | −1,485−3.4% | Reduced |
| Skopos Labs, Inc. | 40,446 | $310.6K | 0.04% | −548−1.3% | Reduced |
| Mercer Global Advisors Inc | 40,730 | $308.7K | 0.00% | −2,298−5.3% | Reduced |
| Yousif Capital Management, LLC | 39,941 | $302.8K | 0.00% | 00.0% | Unchanged |
| Ariadne Wealth Management, LP | 41,898 | $297.9K | 0.13% | +9,273+28.4% | Added |
| Callan Family Office, LLC | 37,466 | $284.0K | 0.01% | −17,288−31.6% | Reduced |
| Capital Fund Management S.A. | 36,100 | $273.6K | 0.00% | +300+0.8% | Added |