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 |
|---|---|---|---|---|---|
| Leonteq Securities AG | 1 | $9 | 0.00% | 00.0% | Unchanged |
| Sofos Investments, Inc. | 1 | $9 | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2 | $18 | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 4 | $36 | 0.00% | 00.0% | Unchanged |
| Seneschal Advisors, LLC | 5 | $45 | 0.00% | +5 | New |
| Silicon Valley Capital Partners | 29 | $260 | 0.00% | +29 | New |
| CVA Family Office, LLC | 69 | $620 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 70 | $629 | 0.00% | −90−56.3% | Reduced |
| Sound Income Strategies, LLC | 100 | $897 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 100 | $898 | 0.00% | +100 | New |
| Virtus ETF Advisers LLC | 102 | $916 | 0.00% | +102 | New |
| Tower Research Capital LLC (TRC) | 114 | $1.02K | 0.00% | −199,561−99.9% | Reduced |
| JPL Wealth Management, LLC | 118 | $1.06K | 0.00% | +118 | New |
| Transamerica Financial Advisors, Inc. | 155 | $1.39K | 0.00% | +106+216.3% | Added |
| Trust Co | 158 | $1.42K | 0.00% | 00.0% | Unchanged |
| Horizon Investments, LLC | 196 | $1.76K | 0.00% | +196 | New |
| Golden State Wealth Management, LLC | 201 | $1.80K | 0.00% | 00.0% | Unchanged |
| Clean Yield Group | 218 | $1.96K | 0.00% | 00.0% | Unchanged |
| Elequin Capital LP | 229 | $2.06K | 0.00% | +229 | New |
| Ameriflex Group, Inc. | 267 | $2.40K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 285 | $2.56K | 0.00% | +285 | New |
| IMA Wealth, Inc. | 287 | $2.58K | 0.00% | +287 | New |
| Versant Capital Management, Inc | 318 | $2.86K | 0.00% | +318 | New |
| CoreCap Advisors, LLC | 369 | $3.31K | 0.00% | 00.0% | Unchanged |
| Valued Wealth Advisors LLC | 423 | $3.80K | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 451 | $4.04K | 0.00% | +359+390.2% | Added |
| Brown Brothers Harriman & Co | 458 | $4.11K | 0.00% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 480 | $4.31K | 0.00% | 00.0% | Unchanged |
| Stone House Investment Management, LLC | 495 | $4.45K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 499 | $4.48K | 0.00% | +499 | New |
| Elevated Capital Advisors, LLC | 500 | $4.49K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 535 | $4.80K | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 544 | $4.88K | 0.00% | +50+10.1% | Added |
| Fifth Third Bancorp | 553 | $4.97K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 559 | $5.02K | 0.00% | −60−9.7% | Reduced |
| Raffa Wealth Management, LLC | 610 | $5.48K | 0.00% | 00.0% | Unchanged |
| Financial Consulate, Inc | 708 | $6.36K | 0.00% | +605+587.4% | Added |
| Mizuho Securities Co. Ltd. | 782 | $7.02K | 0.09% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 826 | $7.42K | 0.00% | +47+6.0% | Added |
| True Wealth Design, LLC | 914 | $8.21K | 0.00% | +25+2.8% | Added |
| Highline Wealth Partners LLC | 960 | $8.62K | 0.00% | +165+20.8% | Added |
| Cary Street Partners Financial LLC | 1,000 | $8.98K | 0.00% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 1,000 | $8.98K | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 1,000 | $8.98K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 1,020 | $9.16K | 0.00% | 00.0% | Unchanged |
| WealthCollab, LLC | 1,068 | $9.59K | 0.00% | 00.0% | Unchanged |
| LRI Investments, LLC | 1,146 | $10.3K | 0.00% | +782+214.8% | Added |
| Key Financial Inc | 1,200 | $10.8K | 0.00% | 00.0% | Unchanged |
| Wiser Advisor Group LLC | 1,469 | $13.2K | 0.02% | 00.0% | Unchanged |
| Twin Peaks Wealth Advisors, LLC | 1,482 | $13.3K | 0.00% | +1,482 | New |
| Westside Investment Management, Inc. | 1,592 | $13.8K | 0.00% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 1,549 | $14.0K | 0.00% | 00.0% | Unchanged |
| First Command Advisory Services, Inc. | 1,760 | $15.8K | 0.00% | +1,760 | New |
| Bell Investment Advisors, Inc | 1,822 | $16.4K | 0.00% | +204+12.6% | Added |
| Advisory Services Network, LLC | 1,910 | $17.2K | 0.00% | +1,910 | New |
| Harbour Investments, Inc. | 2,004 | $18.0K | 0.00% | +2,004 | New |
| JFS Wealth Advisors, LLC | 2,188 | $19.6K | 0.00% | −638−22.6% | Reduced |
| Nisa Investment Advisors, LLC | 2,247 | $20.2K | 0.00% | +175+8.4% | Added |
| SHP Wealth Management | 2,282 | $20.5K | 0.00% | +404+21.5% | Added |
| Wall Street Financial Group, Inc. | 2,695 | $24.2K | 0.01% | +2,695 | New |
| SRS Capital Advisors, Inc. | 2,774 | $24.9K | 0.00% | −5,882−68.0% | Reduced |
| E Fund Management (Hong Kong) Co., Ltd. | 3,114 | $28.0K | 0.01% | +3,114 | New |
| Federation des caisses Desjardins du Quebec | 3,300 | $29.6K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 3,518 | $31.6K | 0.00% | +1,435+68.9% | Added |
| Bayforest Capital Ltd | 5,489 | $49.3K | 0.06% | −64,748−92.2% | Reduced |
| TD Private Client Wealth LLC | 6,480 | $58.2K | 0.00% | +2,384+58.2% | Added |
| Smartleaf Asset Management LLC | 6,766 | $58.3K | 0.00% | −69−1.0% | Reduced |
| Parvin Asset Management, LLC | 6,600 | $59.3K | 0.04% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 7,408 | $66.5K | 0.00% | −2,332−23.9% | Reduced |
| Jones Financial Companies LLLP | 8,070 | $71.6K | 0.00% | +3,603+80.7% | Added |
| Wells Fargo & Company | 7,975 | $71.6K | 0.00% | +4,701+143.6% | Added |
| Brighton Jones LLC | 10,090 | $90.6K | 0.00% | +10,090 | New |
| RSM US Wealth Management LLC | 10,307 | $92.6K | 0.00% | −181−1.7% | Reduced |
| Cary Street Partner Investment Advisory LLC | 10,435 | $93.7K | 0.02% | +882+9.2% | Added |
| Virtu Financial LLC | 10,465 | $94.0K | 0.00% | +10,465 | New |
| CWM Advisors, LLC | 10,778 | $96.8K | 0.01% | −156,134−93.5% | Reduced |
| We Are One Seven, LLC | 10,849 | $97.4K | 0.00% | +604+5.9% | Added |
| Frec Markets, Inc. | 11,124 | $99.9K | 0.02% | +11,124 | New |
| Park Avenue Securities LLC | 11,262 | $101.0K | 0.00% | +11,262 | New |
| Sepio Capital, LP | 11,327 | $101.7K | 0.01% | −1,842−14.0% | Reduced |
| Hardy Reed LLC | 11,338 | $101.8K | 0.01% | +110+1.0% | Added |
| Quadrant Private Wealth Management, LLC | 11,488 | $103.2K | 0.02% | +11,488 | New |
| EP Wealth Advisors, LLC | 11,688 | $105.0K | 0.00% | −5,424−31.7% | Reduced |
| Verdence Capital Advisors LLC | 11,715 | $105.2K | 0.01% | −1,373−10.5% | Reduced |
| Dynamic Advisor Solutions LLC | 12,025 | $108.0K | 0.00% | +370+3.2% | Added |
| MML Investors Services, LLC | 12,217 | $109.7K | 0.00% | +12,217 | New |
| Merit Financial Group, LLC | 12,357 | $111.0K | 0.00% | +1,968+18.9% | Added |
| Prime Capital Investment Advisors, LLC | 12,372 | $111.1K | 0.00% | −4,159−25.2% | Reduced |
| Miracle Mile Advisors, LLC | 12,496 | $112.2K | 0.00% | +12,496 | New |
| Enterprise Financial Services Corp | 12,714 | $114.2K | 0.06% | +502+4.1% | Added |
| GAMMA Investing LLC | 12,782 | $114.8K | 0.01% | +533+4.4% | Added |
| Bessemer Group Inc | 13,050 | $117.0K | 0.00% | +492+3.9% | Added |
| Blair William & Co | 13,098 | $117.6K | 0.00% | +13,098 | New |
| Choate Investment Advisors | 13,189 | $118.4K | 0.00% | +325+2.5% | Added |
| Diversified Trust Co | 13,317 | $119.6K | 0.00% | −1,518−10.2% | Reduced |
| V-Square Quantitative Management LLC | 13,395 | $120.3K | 0.01% | +13,395 | New |
| Basecamp Wealth Advisors LLC | 13,779 | $123.7K | 0.03% | 00.0% | Unchanged |
| Aviva PLC | 13,807 | $124.0K | 0.00% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 13,860 | $124.5K | 0.00% | +13,860 | New |
| Commonwealth Equity Services, LLC | 13,896 | $124.8K | 0.00% | +2,297+19.8% | Added |