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 |
|---|---|---|---|---|---|
| Greenleaf Trust | 152,034 | $1.19M | 0.01% | +1,741+1.2% | Added |
| West Family Investments, Inc. | 152,579 | $1.20M | 0.28% | −20,667−11.9% | Reduced |
| Ballentine Partners, LLC | 155,105 | $1.22M | 0.02% | −8,031−4.9% | Reduced |
| The PNC Financial Services Group, Inc. | 166,562 | $1.31M | 0.00% | +21,430+14.8% | Added |
| CWM Advisors, LLC | 166,912 | $1.31M | 0.12% | +166,912 | New |
| Mirae Asset Global Investments Co., Ltd. | 168,648 | $1.33M | 0.00% | +164,383+3,854.2% | Added |
| NLB Skladi, upravljanje premozenja, d.o.o. | 172,358 | $1.35M | 0.06% | +172,358 | New |
| Mariner, LLC | 173,096 | $1.36M | 0.00% | +29,191+20.3% | Added |
| Natixis Advisors, L.P. | 177,454 | $1.40M | 0.00% | +20,009+12.7% | Added |
| Sequoia Financial Advisors, LLC | 197,996 | $1.56M | 0.01% | +15,855+8.7% | Added |
| Tower Research Capital LLC (TRC) | 199,675 | $1.57M | 0.04% | +199,439+84,508.1% | Added |
| North of South Capital LLP | 202,000 | $1.59M | 0.14% | +77,000+61.6% | Added |
| Ieq Capital, LLC | 210,410 | $1.65M | 0.00% | +24,201+13.0% | Added |
| FMR LLC | 213,690 | $1.68M | 0.00% | −1,738−0.8% | Reduced |
| Signaturefd, LLC | 230,104 | $1.81M | 0.03% | +2,731+1.2% | Added |
| Crossmark Global Holdings, Inc. | 235,317 | $1.85M | 0.03% | −24,636−9.5% | Reduced |
| Pacer Advisors, Inc. | 1,193,142 | $1.87M | 0.00% | +1,193,142 | New |
| Cerity Partners LLC | 241,615 | $1.90M | 0.00% | −1,470−0.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 244,771 | $1.92M | 0.00% | +244,771 | New |
| Capital Fund Management S.A. | 245,558 | $1.93M | 0.02% | +209,458+580.2% | Added |
| Mackenzie Financial Corp | 252,150 | $2.00M | 0.00% | +234+0.1% | Added |
| Summit Global Investments | 261,121 | $2.05M | 0.12% | +116,456+80.5% | Added |
| Qube Research & Technologies Ltd | 263,116 | $2.07M | 0.00% | +263,116 | New |
| Advisors Asset Management, Inc. | 306,517 | $2.41M | 0.04% | +29,901+10.8% | Added |
| Storebrand Asset Management AS | 307,352 | $2.42M | 0.01% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 309,658 | $2.43M | 0.00% | +309,658 | New |
| Quadrant Capital Group LLC | 329,426 | $2.59M | 0.08% | −3,179−1.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 383,114 | $3.01M | 0.02% | +13,804+3.7% | Added |
| Baird Financial Group, Inc. | 409,703 | $3.22M | 0.01% | −118,462−22.4% | Reduced |
| Guggenheim Capital LLC | 412,327 | $3.24M | 0.02% | +26,291+6.8% | Added |
| JustInvest LLC | 412,380 | $3.24M | 0.03% | +79,029+23.7% | Added |
| First Trust Advisors LP | 433,653 | $3.41M | 0.00% | +15,998+3.8% | Added |
| Eurizon Capital SGR S.p.A. | 446,513 | $3.55M | 0.01% | +446,513 | New |
| Laird Norton Trust Company, LLC | 455,045 | $3.58M | 0.07% | +455,045 | New |
| Jane Street Group, LLC | 459,153 | $3.61M | 0.00% | +209,292+83.8% | Added |
| Susquehanna International Group, LLP | 470,067 | $3.69M | 0.01% | +33,812+7.8% | Added |
| Ethic Inc. | 495,589 | $3.90M | 0.06% | +70,597+16.6% | Added |
| Vident Advisory, LLC | 557,280 | $4.38M | 0.04% | −26,701−4.6% | Reduced |
| US Bancorp | 579,532 | $4.56M | 0.01% | +38,488+7.1% | Added |
| Quantinno Capital Management LP | 602,554 | $4.74M | 0.01% | +203,865+51.1% | Added |
| B. Metzler seel. Sohn & Co. AG | 658,821 | $5.20M | 0.05% | +658,821 | New |
| LSV Asset Management | 694,211 | $5.46M | 0.01% | +128,600+22.7% | Added |
| Millennium Management LLC | 695,399 | $5.47M | 0.00% | +383,488+122.9% | Added |
| Rhumbline Advisers | 729,332 | $5.73M | 0.00% | +6,809+0.9% | Added |
| Aquatic Capital Management LLC | 767,634 | $6.03M | 0.17% | +482,623+169.3% | Added |
| Moran Wealth Management, LLC | 792,367 | $6.23M | 0.19% | +95,871+13.8% | Added |
| D. E. Shaw & Co., Inc. | 870,260 | $6.84M | 0.01% | +870,260 | New |
| Citadel Advisors LLC | 1,124,310 | $8.84M | 0.01% | +1,073,771+2,124.6% | Added |
| Kadensa Capital Ltd | 1,335,392 | $10.5M | 1.09% | +1,335,392 | New |
| BNP Paribas Arbitrage, SA | 1,474,210 | $11.6M | 0.01% | −22,108−1.5% | Reduced |
| Balyasny Asset Management LLC | 1,980,820 | $15.6M | 0.03% | +1,886,996+2,011.2% | Added |
| Man Group plc | 2,123,977 | $16.7M | 0.03% | +1,641,444+340.2% | Added |
| Creative Planning | 2,160,185 | $17.0M | 0.01% | +314,214+17.0% | Added |
| Acadian Asset Management LLC | 2,297,586 | $18.0M | 0.03% | +2,270,065+8,248.5% | Added |
| Dimensional Fund Advisors LP | 2,516,726 | $19.8M | 0.00% | +432,141+20.7% | Added |
| Citigroup Inc | 3,008,360 | $23.6M | 0.02% | +713,114+31.1% | Added |
| Northern Trust Corp | 3,217,883 | $25.3M | 0.00% | −211,103−6.2% | Reduced |
| Two Sigma Advisers, LP | 3,449,200 | $27.1M | 0.05% | +1,839,500+114.3% | Added |
| Schroder Investment Management Group | 4,104,976 | $32.7M | 0.02% | −47,953−1.2% | Reduced |
| UBS Group AG | 4,570,447 | $35.9M | 0.01% | +808,412+21.5% | Added |
| Goldman Sachs Group Inc | 4,725,906 | $37.1M | 0.01% | +314,056+7.1% | Added |
| Marshall Wace, LLP | 4,739,326 | $37.3M | 0.04% | +1,937,921+69.2% | Added |
| State Street Corp | 4,828,090 | $37.9M | 0.00% | +298,314+6.6% | Added |
| Barclays PLC | 5,511,784 | $43.3M | 0.02% | +1,435,780+35.2% | Added |
| Bank of America Corp | 5,603,690 | $44.0M | 0.00% | −1,785,178−24.2% | Reduced |
| Two Sigma Investments, LP | 5,675,393 | $44.6M | 0.07% | +2,144,829+60.8% | Added |
| Rafferty Asset Management, LLC | 6,477,830 | $50.9M | 0.18% | +257,129+4.1% | Added |
| Morgan Stanley | 7,668,830 | $60.3M | 0.00% | −14,182,537−64.9% | Reduced |
| AQR Capital Management LLC | 9,464,312 | $74.4M | 0.04% | +8,492,466+873.8% | Added |
| Vanguard Group Inc | 13,524,036 | $106.3M | 0.00% | −728,404−5.1% | Reduced |
| BlackRock, Inc. | 26,983,515 | $212.1M | 0.00% | +2,842,754+11.8% | Added |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −234,183−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −95,369−100.0% | Sold out |
| Hennion & Walsh Asset Management, Inc. | 0 | $0 | 0.00% | −86,571−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −53,905−100.0% | Sold out |
| Encompass More Asset Management | 0 | $0 | 0.00% | −46,355−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −46,152−100.0% | Sold out |
| Redwood Wealth Management Group, LLC | 0 | $0 | 0.00% | −32,200−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −20,397−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −19,307−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −17,238−100.0% | Sold out |
| Sageworth Trust Co | 0 | $0 | 0.00% | −16,994−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −16,736−100.0% | Sold out |
| Barometer Capital Management Inc. | 0 | $0 | 0.00% | −15,447−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −14,134−100.0% | Sold out |
| Arete Wealth Advisors, LLC | 0 | $0 | 0.00% | −12,857−100.0% | Sold out |
| Mitsubishi UFJ Trust & Banking Corp | 0 | $0 | 0.00% | −10,300−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −2,826−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,430−100.0% | Sold out |
| Umb Bank N A | 0 | $0 | 0.00% | −1,725−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −786−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −419−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −278−100.0% | Sold out |
| Groupe la Francaise | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Wetherby Asset Management Inc | – | – | – | – | Not filed |
| AXA Investment Managers S.A. | – | – | – | – | Not filed |
| Ridgewood Investments LLC | – | – | – | – | Not filed |
| First Affirmative Financial Network | – | – | – | – | Not filed |
| Glenmede Investment Management, LP | – | – | – | – | Not filed |