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 |
|---|---|---|---|---|---|
| Lazard Asset Management LLC | 69,988 | $628.5K | 0.00% | +69,988 | New |
| PDS Planning, Inc | 72,025 | $646.8K | 0.04% | −1,851−2.5% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 72,016 | $647.0K | 0.00% | −3,487−4.6% | Reduced |
| Walleye Capital LLC | 72,739 | $653.2K | 0.00% | +56,499+347.9% | Added |
| Ronald Blue Trust, Inc. | 75,486 | $677.9K | 0.01% | −10,000−11.7% | Reduced |
| Russell Investments Group, Ltd. | 75,632 | $679.2K | 0.00% | +75,551+93,272.8% | Added |
| Bank of Montreal | 77,966 | $700.1K | 0.00% | +22,009+39.3% | Added |
| Ignite Planners, LLC | 81,497 | $730.1K | 0.11% | −3,431−4.0% | Reduced |
| TCW Group Inc | 83,033 | $745.6K | 0.01% | +9,658+13.2% | Added |
| Ritholtz Wealth Management | 83,710 | $751.7K | 0.01% | +580+0.7% | Added |
| Quantbot Technologies LP | 86,138 | $773.5K | 0.03% | +30,013+53.5% | Added |
| QRG Capital Management, Inc. | 86,927 | $780.6K | 0.01% | +46,549+115.3% | Added |
| Jain Global LLC | 87,230 | $783.3K | 0.01% | +87,230 | New |
| Abn Amro Investment Solutions | 87,700 | $787.5K | 0.01% | +65,800+300.5% | Added |
| AIA Group Ltd | 90,799 | $815.4K | 0.01% | +90,799 | New |
| DGS Capital Management, LLC | 95,304 | $855.8K | 0.14% | +2,359+2.5% | Added |
| Wellington Management Group LLP | 97,227 | $873.1K | 0.00% | +97,227 | New |
| DRW Securities, LLC | 98,977 | $888.8K | 0.05% | +98,977 | New |
| SG Americas Securities, LLC | 99,946 | $898.0K | 0.00% | +99,946 | New |
| Generali Investments CEE, investicni spolecnost, a.s. | 101,415 | $910.7K | 0.05% | 00.0% | Unchanged |
| Headlands Technologies LLC | 101,756 | $913.8K | 0.10% | +101,756 | New |
| Invesco Ltd. | 102,764 | $922.8K | 0.00% | +12,829+14.3% | Added |
| Pathstone Holdings, LLC | 102,902 | $924.1K | 0.00% | +2,478+2.5% | Added |
| LPL Financial LLC | 112,356 | $1.01M | 0.00% | +45,413+67.8% | Added |
| CAPROCK Group, Inc. | 112,644 | $1.01M | 0.02% | +8,528+8.2% | Added |
| Group One Trading, L.P. | 113,737 | $1.02M | 0.03% | +113,737 | New |
| Neuberger Berman Group LLC | 114,065 | $1.02M | 0.00% | +57,164+100.5% | Added |
| FMR LLC | 120,148 | $1.08M | 0.00% | −93,542−43.8% | Reduced |
| Frank, Rimerman Advisors LLC | 123,033 | $1.10M | 0.07% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 123,495 | $1.11M | 0.00% | +123,495 | New |
| Profund Advisors LLC | 124,345 | $1.12M | 0.04% | −1,458−1.2% | Reduced |
| Vise Technologies, Inc. | 142,234 | $1.12M | 0.02% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 124,838 | $1.12M | 0.02% | +3,706+3.1% | Added |
| West Family Investments, Inc. | 125,324 | $1.13M | 0.39% | −27,255−17.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 129,895 | $1.17M | 0.00% | +1,074+0.8% | Added |
| Bridgewater Associates, LP | 134,029 | $1.20M | 0.01% | +134,029 | New |
| Bridgewater Advisors Inc. | 79,803 | $1.27M | 0.08% | +1,449+1.8% | Added |
| Greenleaf Trust | 142,996 | $1.28M | 0.01% | −9,038−5.9% | Reduced |
| Callan Family Office, LLC | 147,544 | $1.32M | 0.03% | +74,725+102.6% | Added |
| XTX Topco Ltd | 150,855 | $1.35M | 0.02% | +150,855 | New |
| Envestnet Asset Management Inc | 152,661 | $1.37M | 0.00% | +51,846+51.4% | Added |
| CI Private Wealth, LLC | 156,245 | $1.38M | 0.00% | +9,279+6.3% | Added |
| Summit Global Investments | 153,593 | $1.38M | 0.08% | −107,528−41.2% | Reduced |
| Delta Global Management LP | 159,747 | $1.43M | 0.12% | +159,747 | New |
| Ballentine Partners, LLC | 162,094 | $1.46M | 0.02% | +6,989+4.5% | Added |
| Stifel Financial Corp | 163,818 | $1.47M | 0.00% | +163,818 | New |
| HRT Financial LP | 164,919 | $1.48M | 0.00% | +164,919 | New |
| The PNC Financial Services Group, Inc. | 166,757 | $1.50M | 0.00% | +195+0.1% | Added |
| SEI Investments Co | 169,183 | $1.52M | 0.00% | +141,385+508.6% | Added |
| Skopos Labs, Inc. | 176,548 | $1.59M | 0.05% | +42,935+32.1% | Added |
| NLB Skladi, upravljanje premozenja, d.o.o. | 183,859 | $1.65M | 0.08% | +11,501+6.7% | Added |
| Crossmark Global Holdings, Inc. | 185,473 | $1.67M | 0.02% | −49,844−21.2% | Reduced |
| Mariner, LLC | 190,382 | $1.70M | 0.00% | +17,286+10.0% | Added |
| Vestmark Advisory Solutions, Inc. | 194,724 | $1.75M | 0.02% | +118,898+156.8% | Added |
| Marshall Wace, LLP | 205,414 | $1.84M | 0.00% | −4,533,912−95.7% | Reduced |
| Sequoia Financial Advisors, LLC | 207,053 | $1.86M | 0.01% | +9,057+4.6% | Added |
| Engineers Gate Manager LP | 208,349 | $1.87M | 0.02% | +176,222+548.5% | Added |
| Ieq Capital, LLC | 208,870 | $1.88M | 0.01% | −1,540−0.7% | Reduced |
| Old Mission Capital LLC | 225,774 | $2.03M | 0.05% | +225,774 | New |
| Natixis Advisors, L.P. | 226,720 | $2.04M | 0.00% | +49,266+27.8% | Added |
| Signaturefd, LLC | 230,854 | $2.07M | 0.03% | +750+0.3% | Added |
| Cerity Partners LLC | 244,754 | $2.20M | 0.00% | +3,139+1.3% | Added |
| JPMorgan Chase & Co | 260,704 | $2.24M | 0.00% | +119,364+84.5% | Added |
| Schroder Investment Management Group | 293,095 | $2.52M | 0.00% | −3,811,881−92.9% | Reduced |
| Pacer Advisors, Inc. | 1,537,960 | $2.72M | 0.01% | +344,818+28.9% | Added |
| Storebrand Asset Management AS | 307,352 | $2.76M | 0.01% | 00.0% | Unchanged |
| Robeco Institutional Asset Management B.V. | 311,532 | $2.80M | 0.00% | +66,761+27.3% | Added |
| Advisors Asset Management, Inc. | 363,088 | $3.26M | 0.05% | +56,571+18.5% | Added |
| Capstone Investment Advisors, LLC | 364,169 | $3.27M | 0.03% | +364,169 | New |
| North of South Capital LLP | 405,075 | $3.64M | 0.33% | +203,075+100.5% | Added |
| First Trust Advisors LP | 406,392 | $3.65M | 0.00% | −27,261−6.3% | Reduced |
| JustInvest LLC | 418,320 | $3.76M | 0.04% | +5,940+1.4% | Added |
| Baird Financial Group, Inc. | 425,903 | $3.82M | 0.01% | +16,200+4.0% | Added |
| O'Shaughnessy Asset Management, LLC | 426,641 | $3.83M | 0.02% | +43,527+11.4% | Added |
| Guggenheim Capital LLC | 432,045 | $3.88M | 0.03% | +19,718+4.8% | Added |
| Vanguard Fiduciary Trust Co | 440,567 | $3.96M | 0.00% | +440,567 | New |
| Ethic Inc. | 443,697 | $3.98M | 0.06% | −51,892−10.5% | Reduced |
| Laird Norton Trust Company, LLC | 461,552 | $4.14M | 0.09% | +6,507+1.4% | Added |
| Quadrant Capital Group LLC | 462,655 | $4.15M | 0.12% | +133,229+40.4% | Added |
| Eurizon Capital SGR S.p.A. | 524,204 | $4.54M | 0.01% | +77,691+17.4% | Added |
| Mackenzie Financial Corp | 539,683 | $4.85M | 0.01% | +287,533+114.0% | Added |
| Susquehanna International Group, LLP | 575,738 | $5.17M | 0.01% | +105,671+22.5% | Added |
| Aquatic Capital Management LLC | 603,979 | $5.42M | 0.16% | −163,655−21.3% | Reduced |
| Vident Advisory, LLC | 635,255 | $5.70M | 0.05% | +77,975+14.0% | Added |
| B. Metzler seel. Sohn & Co. AG | 653,499 | $5.87M | 0.05% | −5,322−0.8% | Reduced |
| Rhumbline Advisers | 667,577 | $5.99M | 0.01% | −61,755−8.5% | Reduced |
| LSV Asset Management | 694,211 | $6.23M | 0.01% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 710,083 | $6.38M | 0.01% | +695,616+4,808.3% | Added |
| Quantinno Capital Management LP | 710,604 | $6.38M | 0.01% | +108,050+17.9% | Added |
| Capital Fund Management S.A. | 745,338 | $6.69M | 0.06% | +499,780+203.5% | Added |
| Citadel Advisors LLC | 765,322 | $6.87M | 0.00% | −358,988−31.9% | Reduced |
| US Bancorp | 815,563 | $7.32M | 0.01% | +236,031+40.7% | Added |
| Moran Wealth Management, LLC | 910,416 | $8.18M | 0.25% | +118,049+14.9% | Added |
| Matthews International Capital Management LLC | 977,645 | $8.78M | 3.56% | +977,645 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,049,370 | $9.42M | 0.01% | +739,712+238.9% | Added |
| BNP Paribas Arbitrage, SA | 1,581,879 | $14.2M | 0.01% | +107,669+7.3% | Added |
| Toroso Investments, LLC | 1,596,151 | $14.3M | 0.04% | +1,449,117+985.6% | Added |
| Millennium Management LLC | 1,770,129 | $15.9M | 0.01% | +1,074,730+154.5% | Added |
| D. E. Shaw & Co., Inc. | 1,891,608 | $17.0M | 0.01% | +1,021,348+117.4% | Added |
| Creative Planning | 2,364,371 | $21.2M | 0.01% | +204,186+9.5% | Added |