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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 26,983,515 | $212.1M | 0.00% | +2,842,754+11.8% | Added |
| Vanguard Group Inc | 13,524,036 | $106.3M | 0.00% | −728,404−5.1% | Reduced |
| AQR Capital Management LLC | 9,464,312 | $74.4M | 0.04% | +8,492,466+873.8% | Added |
| Morgan Stanley | 7,668,830 | $60.3M | 0.00% | −14,182,537−64.9% | Reduced |
| Rafferty Asset Management, LLC | 6,477,830 | $50.9M | 0.18% | +257,129+4.1% | Added |
| Two Sigma Investments, LP | 5,675,393 | $44.6M | 0.07% | +2,144,829+60.8% | Added |
| Bank of America Corp | 5,603,690 | $44.0M | 0.00% | −1,785,178−24.2% | Reduced |
| Barclays PLC | 5,511,784 | $43.3M | 0.02% | +1,435,780+35.2% | Added |
| State Street Corp | 4,828,090 | $37.9M | 0.00% | +298,314+6.6% | Added |
| Marshall Wace, LLP | 4,739,326 | $37.3M | 0.04% | +1,937,921+69.2% | Added |
| Goldman Sachs Group Inc | 4,725,906 | $37.1M | 0.01% | +314,056+7.1% | Added |
| UBS Group AG | 4,570,447 | $35.9M | 0.01% | +808,412+21.5% | Added |
| Schroder Investment Management Group | 4,104,976 | $32.7M | 0.02% | −47,953−1.2% | Reduced |
| Two Sigma Advisers, LP | 3,449,200 | $27.1M | 0.05% | +1,839,500+114.3% | Added |
| Northern Trust Corp | 3,217,883 | $25.3M | 0.00% | −211,103−6.2% | Reduced |
| Citigroup Inc | 3,008,360 | $23.6M | 0.02% | +713,114+31.1% | Added |
| Dimensional Fund Advisors LP | 2,516,726 | $19.8M | 0.00% | +432,141+20.7% | Added |
| Acadian Asset Management LLC | 2,297,586 | $18.0M | 0.03% | +2,270,065+8,248.5% | Added |
| Creative Planning | 2,160,185 | $17.0M | 0.01% | +314,214+17.0% | Added |
| Man Group plc | 2,123,977 | $16.7M | 0.03% | +1,641,444+340.2% | Added |
| Balyasny Asset Management LLC | 1,980,820 | $15.6M | 0.03% | +1,886,996+2,011.2% | Added |
| BNP Paribas Arbitrage, SA | 1,474,210 | $11.6M | 0.01% | −22,108−1.5% | Reduced |
| Kadensa Capital Ltd | 1,335,392 | $10.5M | 1.09% | +1,335,392 | New |
| Citadel Advisors LLC | 1,124,310 | $8.84M | 0.01% | +1,073,771+2,124.6% | Added |
| D. E. Shaw & Co., Inc. | 870,260 | $6.84M | 0.01% | +870,260 | New |
| Moran Wealth Management, LLC | 792,367 | $6.23M | 0.19% | +95,871+13.8% | Added |
| Aquatic Capital Management LLC | 767,634 | $6.03M | 0.17% | +482,623+169.3% | Added |
| Rhumbline Advisers | 729,332 | $5.73M | 0.00% | +6,809+0.9% | Added |
| Millennium Management LLC | 695,399 | $5.47M | 0.00% | +383,488+122.9% | Added |
| LSV Asset Management | 694,211 | $5.46M | 0.01% | +128,600+22.7% | Added |
| B. Metzler seel. Sohn & Co. AG | 658,821 | $5.20M | 0.05% | +658,821 | New |
| Quantinno Capital Management LP | 602,554 | $4.74M | 0.01% | +203,865+51.1% | Added |
| US Bancorp | 579,532 | $4.56M | 0.01% | +38,488+7.1% | Added |
| Vident Advisory, LLC | 557,280 | $4.38M | 0.04% | −26,701−4.6% | Reduced |
| Ethic Inc. | 495,589 | $3.90M | 0.06% | +70,597+16.6% | Added |
| Susquehanna International Group, LLP | 470,067 | $3.69M | 0.01% | +33,812+7.8% | Added |
| Jane Street Group, LLC | 459,153 | $3.61M | 0.00% | +209,292+83.8% | Added |
| Laird Norton Trust Company, LLC | 455,045 | $3.58M | 0.07% | +455,045 | New |
| Eurizon Capital SGR S.p.A. | 446,513 | $3.55M | 0.01% | +446,513 | New |
| First Trust Advisors LP | 433,653 | $3.41M | 0.00% | +15,998+3.8% | Added |
| JustInvest LLC | 412,380 | $3.24M | 0.03% | +79,029+23.7% | Added |
| Guggenheim Capital LLC | 412,327 | $3.24M | 0.02% | +26,291+6.8% | Added |
| Baird Financial Group, Inc. | 409,703 | $3.22M | 0.01% | −118,462−22.4% | Reduced |
| O'Shaughnessy Asset Management, LLC | 383,114 | $3.01M | 0.02% | +13,804+3.7% | Added |
| Quadrant Capital Group LLC | 329,426 | $2.59M | 0.08% | −3,179−1.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 309,658 | $2.43M | 0.00% | +309,658 | New |
| Storebrand Asset Management AS | 307,352 | $2.42M | 0.01% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 306,517 | $2.41M | 0.04% | +29,901+10.8% | Added |
| Qube Research & Technologies Ltd | 263,116 | $2.07M | 0.00% | +263,116 | New |
| Summit Global Investments | 261,121 | $2.05M | 0.12% | +116,456+80.5% | Added |
| Mackenzie Financial Corp | 252,150 | $2.00M | 0.00% | +234+0.1% | Added |
| Capital Fund Management S.A. | 245,558 | $1.93M | 0.02% | +209,458+580.2% | Added |
| Robeco Institutional Asset Management B.V. | 244,771 | $1.92M | 0.00% | +244,771 | New |
| Cerity Partners LLC | 241,615 | $1.90M | 0.00% | −1,470−0.6% | Reduced |
| Pacer Advisors, Inc. | 1,193,142 | $1.87M | 0.00% | +1,193,142 | New |
| Crossmark Global Holdings, Inc. | 235,317 | $1.85M | 0.03% | −24,636−9.5% | Reduced |
| Signaturefd, LLC | 230,104 | $1.81M | 0.03% | +2,731+1.2% | Added |
| FMR LLC | 213,690 | $1.68M | 0.00% | −1,738−0.8% | Reduced |
| Ieq Capital, LLC | 210,410 | $1.65M | 0.00% | +24,201+13.0% | Added |
| North of South Capital LLP | 202,000 | $1.59M | 0.14% | +77,000+61.6% | Added |
| Tower Research Capital LLC (TRC) | 199,675 | $1.57M | 0.04% | +199,439+84,508.1% | Added |
| Sequoia Financial Advisors, LLC | 197,996 | $1.56M | 0.01% | +15,855+8.7% | Added |
| Natixis Advisors, L.P. | 177,454 | $1.40M | 0.00% | +20,009+12.7% | Added |
| Mariner, LLC | 173,096 | $1.36M | 0.00% | +29,191+20.3% | Added |
| NLB Skladi, upravljanje premozenja, d.o.o. | 172,358 | $1.35M | 0.06% | +172,358 | New |
| Mirae Asset Global Investments Co., Ltd. | 168,648 | $1.33M | 0.00% | +164,383+3,854.2% | Added |
| CWM Advisors, LLC | 166,912 | $1.31M | 0.12% | +166,912 | New |
| The PNC Financial Services Group, Inc. | 166,562 | $1.31M | 0.00% | +21,430+14.8% | Added |
| Ballentine Partners, LLC | 155,105 | $1.22M | 0.02% | −8,031−4.9% | Reduced |
| West Family Investments, Inc. | 152,579 | $1.20M | 0.28% | −20,667−11.9% | Reduced |
| Greenleaf Trust | 152,034 | $1.19M | 0.01% | +1,741+1.2% | Added |
| Toroso Investments, LLC | 147,034 | $1.16M | 0.00% | +25,520+21.0% | Added |
| CI Private Wealth, LLC | 146,966 | $1.16M | 0.00% | +11,440+8.4% | Added |
| Vise Technologies, Inc. | 142,234 | $1.12M | 0.02% | +8,069+6.0% | Added |
| JPMorgan Chase & Co | 141,340 | $1.11M | 0.00% | −466,693−76.8% | Reduced |
| Skopos Labs, Inc. | 133,613 | $1.06M | 0.05% | +93,167+230.3% | Added |
| Arrowstreet Capital, Limited Partnership | 128,821 | $1.01M | 0.00% | +128,821 | New |
| Profund Advisors LLC | 125,803 | $988.8K | 0.03% | −6,118−4.6% | Reduced |
| Frank, Rimerman Advisors LLC | 123,033 | $967.0K | 0.06% | +102,259+492.2% | Added |
| Parallel Advisors, LLC | 121,132 | $952.1K | 0.02% | −461−0.4% | Reduced |
| Bridgewater Advisors Inc. | 78,354 | $872.1K | 0.06% | +365+0.5% | Added |
| Ignite Planners, LLC | 84,928 | $864.6K | 0.13% | −25,740−23.3% | Reduced |
| CAPROCK Group, Inc. | 104,116 | $818.4K | 0.02% | −2,269−2.1% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 101,415 | $797.1K | 0.06% | −68,000−40.1% | Reduced |
| Envestnet Asset Management Inc | 100,815 | $792.4K | 0.00% | +52,801+110.0% | Added |
| Pathstone Holdings, LLC | 100,424 | $789.3K | 0.00% | +6,812+7.3% | Added |
| Jump Financial, LLC | 94,282 | $741.1K | 0.01% | −130,966−58.1% | Reduced |
| DGS Capital Management, LLC | 92,945 | $730.5K | 0.13% | −665−0.7% | Reduced |
| Invesco Ltd. | 89,935 | $706.9K | 0.00% | +741+0.8% | Added |
| Ronald Blue Trust, Inc. | 85,486 | $671.9K | 0.01% | −52,252−37.9% | Reduced |
| Ritholtz Wealth Management | 83,130 | $653.4K | 0.01% | −191−0.2% | Reduced |
| FIL Ltd | 78,854 | $619.8K | 0.00% | +78,854 | New |
| Vestmark Advisory Solutions, Inc. | 75,826 | $596.0K | 0.01% | +75,826 | New |
| Cambridge Investment Research Advisors, Inc. | 75,503 | $593.0K | 0.00% | −5,419−6.7% | Reduced |
| PDS Planning, Inc | 73,876 | $580.7K | 0.04% | +5,478+8.0% | Added |
| TCW Group Inc | 73,375 | $576.7K | 0.00% | 00.0% | Unchanged |
| Callan Family Office, LLC | 72,819 | $572.4K | 0.01% | +35,353+94.4% | Added |
| Bayforest Capital Ltd | 70,237 | $552.1K | 0.41% | +10,571+17.7% | Added |
| LPL Financial LLC | 66,943 | $526.2K | 0.00% | −1,236−1.8% | Reduced |
| GTS Securities LLC | 64,661 | $508.2K | 0.02% | +33,497+107.5% | Added |