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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 27,495,880 | $246.9M | 0.00% | +512,365+1.9% | Added |
| AQR Capital Management LLC | 14,714,030 | $132.1M | 0.06% | +5,249,718+55.5% | Added |
| Two Sigma Investments, LP | 9,655,402 | $86.7M | 0.07% | +3,980,009+70.1% | Added |
| Vanguard Capital Management LLC | 8,988,443 | $80.7M | 0.00% | +8,988,443 | New |
| Morgan Stanley | 8,777,903 | $78.8M | 0.00% | +1,109,073+14.5% | Added |
| UBS Group AG | 8,175,144 | $73.4M | 0.01% | +3,604,697+78.9% | Added |
| Acadian Asset Management LLC | 8,124,199 | $72.9M | 0.10% | +5,826,613+253.6% | Added |
| Goldman Sachs Group Inc | 5,874,864 | $52.8M | 0.01% | +1,148,958+24.3% | Added |
| Man Group plc | 5,728,901 | $51.4M | 0.11% | +3,604,924+169.7% | Added |
| Qube Research & Technologies Ltd | 5,101,879 | $45.8M | 0.07% | +4,838,763+1,839.0% | Added |
| State Street Corp | 5,013,209 | $45.0M | 0.00% | +185,119+3.8% | Added |
| Rafferty Asset Management, LLC | 4,983,653 | $44.8M | 0.18% | −1,494,177−23.1% | Reduced |
| Barclays PLC | 4,738,867 | $42.6M | 0.02% | −772,917−14.0% | Reduced |
| Citigroup Inc | 4,296,722 | $38.6M | 0.02% | +1,288,362+42.8% | Added |
| Northern Trust Corp | 3,198,874 | $28.7M | 0.00% | −19,009−0.6% | Reduced |
| Dimensional Fund Advisors LP | 2,849,737 | $25.6M | 0.01% | +333,011+13.2% | Added |
| Vanguard Portfolio Management LLC | 2,763,082 | $24.8M | 0.00% | +2,763,082 | New |
| Bank of America Corp | 2,603,218 | $23.4M | 0.00% | −3,000,472−53.5% | Reduced |
| Jane Street Group, LLC | 2,570,219 | $23.1M | 0.02% | +2,111,066+459.8% | Added |
| Creative Planning | 2,364,371 | $21.2M | 0.01% | +204,186+9.5% | Added |
| D. E. Shaw & Co., Inc. | 1,891,608 | $17.0M | 0.01% | +1,021,348+117.4% | Added |
| Millennium Management LLC | 1,770,129 | $15.9M | 0.01% | +1,074,730+154.5% | Added |
| Toroso Investments, LLC | 1,596,151 | $14.3M | 0.04% | +1,449,117+985.6% | Added |
| BNP Paribas Arbitrage, SA | 1,581,879 | $14.2M | 0.01% | +107,669+7.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,049,370 | $9.42M | 0.01% | +739,712+238.9% | Added |
| Matthews International Capital Management LLC | 977,645 | $8.78M | 3.56% | +977,645 | New |
| Moran Wealth Management, LLC | 910,416 | $8.18M | 0.25% | +118,049+14.9% | Added |
| US Bancorp | 815,563 | $7.32M | 0.01% | +236,031+40.7% | Added |
| Citadel Advisors LLC | 765,322 | $6.87M | 0.00% | −358,988−31.9% | Reduced |
| Capital Fund Management S.A. | 745,338 | $6.69M | 0.06% | +499,780+203.5% | Added |
| Quantinno Capital Management LP | 710,604 | $6.38M | 0.01% | +108,050+17.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 710,083 | $6.38M | 0.01% | +695,616+4,808.3% | Added |
| LSV Asset Management | 694,211 | $6.23M | 0.01% | 00.0% | Unchanged |
| Rhumbline Advisers | 667,577 | $5.99M | 0.01% | −61,755−8.5% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 653,499 | $5.87M | 0.05% | −5,322−0.8% | Reduced |
| Vident Advisory, LLC | 635,255 | $5.70M | 0.05% | +77,975+14.0% | Added |
| Aquatic Capital Management LLC | 603,979 | $5.42M | 0.16% | −163,655−21.3% | Reduced |
| Susquehanna International Group, LLP | 575,738 | $5.17M | 0.01% | +105,671+22.5% | Added |
| Mackenzie Financial Corp | 539,683 | $4.85M | 0.01% | +287,533+114.0% | Added |
| Eurizon Capital SGR S.p.A. | 524,204 | $4.54M | 0.01% | +77,691+17.4% | Added |
| Quadrant Capital Group LLC | 462,655 | $4.15M | 0.12% | +133,229+40.4% | Added |
| Laird Norton Trust Company, LLC | 461,552 | $4.14M | 0.09% | +6,507+1.4% | Added |
| Ethic Inc. | 443,697 | $3.98M | 0.06% | −51,892−10.5% | Reduced |
| Vanguard Fiduciary Trust Co | 440,567 | $3.96M | 0.00% | +440,567 | New |
| Guggenheim Capital LLC | 432,045 | $3.88M | 0.03% | +19,718+4.8% | Added |
| O'Shaughnessy Asset Management, LLC | 426,641 | $3.83M | 0.02% | +43,527+11.4% | Added |
| Baird Financial Group, Inc. | 425,903 | $3.82M | 0.01% | +16,200+4.0% | Added |
| JustInvest LLC | 418,320 | $3.76M | 0.04% | +5,940+1.4% | Added |
| First Trust Advisors LP | 406,392 | $3.65M | 0.00% | −27,261−6.3% | Reduced |
| North of South Capital LLP | 405,075 | $3.64M | 0.33% | +203,075+100.5% | Added |
| Capstone Investment Advisors, LLC | 364,169 | $3.27M | 0.03% | +364,169 | New |
| Advisors Asset Management, Inc. | 363,088 | $3.26M | 0.05% | +56,571+18.5% | Added |
| Robeco Institutional Asset Management B.V. | 311,532 | $2.80M | 0.00% | +66,761+27.3% | Added |
| Storebrand Asset Management AS | 307,352 | $2.76M | 0.01% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 1,537,960 | $2.72M | 0.01% | +344,818+28.9% | Added |
| Schroder Investment Management Group | 293,095 | $2.52M | 0.00% | −3,811,881−92.9% | Reduced |
| JPMorgan Chase & Co | 260,704 | $2.24M | 0.00% | +119,364+84.5% | Added |
| Cerity Partners LLC | 244,754 | $2.20M | 0.00% | +3,139+1.3% | Added |
| Signaturefd, LLC | 230,854 | $2.07M | 0.03% | +750+0.3% | Added |
| Natixis Advisors, L.P. | 226,720 | $2.04M | 0.00% | +49,266+27.8% | Added |
| Old Mission Capital LLC | 225,774 | $2.03M | 0.05% | +225,774 | New |
| Ieq Capital, LLC | 208,870 | $1.88M | 0.01% | −1,540−0.7% | Reduced |
| Engineers Gate Manager LP | 208,349 | $1.87M | 0.02% | +176,222+548.5% | Added |
| Sequoia Financial Advisors, LLC | 207,053 | $1.86M | 0.01% | +9,057+4.6% | Added |
| Marshall Wace, LLP | 205,414 | $1.84M | 0.00% | −4,533,912−95.7% | Reduced |
| Vestmark Advisory Solutions, Inc. | 194,724 | $1.75M | 0.02% | +118,898+156.8% | Added |
| Mariner, LLC | 190,382 | $1.70M | 0.00% | +17,286+10.0% | Added |
| Crossmark Global Holdings, Inc. | 185,473 | $1.67M | 0.02% | −49,844−21.2% | Reduced |
| NLB Skladi, upravljanje premozenja, d.o.o. | 183,859 | $1.65M | 0.08% | +11,501+6.7% | Added |
| Skopos Labs, Inc. | 176,548 | $1.59M | 0.05% | +42,935+32.1% | Added |
| SEI Investments Co | 169,183 | $1.52M | 0.00% | +141,385+508.6% | Added |
| The PNC Financial Services Group, Inc. | 166,757 | $1.50M | 0.00% | +195+0.1% | Added |
| HRT Financial LP | 164,919 | $1.48M | 0.00% | +164,919 | New |
| Stifel Financial Corp | 163,818 | $1.47M | 0.00% | +163,818 | New |
| Ballentine Partners, LLC | 162,094 | $1.46M | 0.02% | +6,989+4.5% | Added |
| Delta Global Management LP | 159,747 | $1.43M | 0.12% | +159,747 | New |
| Summit Global Investments | 153,593 | $1.38M | 0.08% | −107,528−41.2% | Reduced |
| CI Private Wealth, LLC | 156,245 | $1.38M | 0.00% | +9,279+6.3% | Added |
| Envestnet Asset Management Inc | 152,661 | $1.37M | 0.00% | +51,846+51.4% | Added |
| XTX Topco Ltd | 150,855 | $1.35M | 0.02% | +150,855 | New |
| Callan Family Office, LLC | 147,544 | $1.32M | 0.03% | +74,725+102.6% | Added |
| Greenleaf Trust | 142,996 | $1.28M | 0.01% | −9,038−5.9% | Reduced |
| Bridgewater Advisors Inc. | 79,803 | $1.27M | 0.08% | +1,449+1.8% | Added |
| Bridgewater Associates, LP | 134,029 | $1.20M | 0.01% | +134,029 | New |
| Arrowstreet Capital, Limited Partnership | 129,895 | $1.17M | 0.00% | +1,074+0.8% | Added |
| West Family Investments, Inc. | 125,324 | $1.13M | 0.39% | −27,255−17.9% | Reduced |
| Parallel Advisors, LLC | 124,838 | $1.12M | 0.02% | +3,706+3.1% | Added |
| Vise Technologies, Inc. | 142,234 | $1.12M | 0.02% | 00.0% | Unchanged |
| Profund Advisors LLC | 124,345 | $1.12M | 0.04% | −1,458−1.2% | Reduced |
| Squarepoint Ops LLC | 123,495 | $1.11M | 0.00% | +123,495 | New |
| Frank, Rimerman Advisors LLC | 123,033 | $1.10M | 0.07% | 00.0% | Unchanged |
| FMR LLC | 120,148 | $1.08M | 0.00% | −93,542−43.8% | Reduced |
| Neuberger Berman Group LLC | 114,065 | $1.02M | 0.00% | +57,164+100.5% | Added |
| Group One Trading, L.P. | 113,737 | $1.02M | 0.03% | +113,737 | New |
| CAPROCK Group, Inc. | 112,644 | $1.01M | 0.02% | +8,528+8.2% | Added |
| LPL Financial LLC | 112,356 | $1.01M | 0.00% | +45,413+67.8% | Added |
| Pathstone Holdings, LLC | 102,902 | $924.1K | 0.00% | +2,478+2.5% | Added |
| Invesco Ltd. | 102,764 | $922.8K | 0.00% | +12,829+14.3% | Added |
| Headlands Technologies LLC | 101,756 | $913.8K | 0.10% | +101,756 | New |
| Generali Investments CEE, investicni spolecnost, a.s. | 101,415 | $910.7K | 0.05% | 00.0% | Unchanged |