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 |
|---|---|---|---|---|---|
| Leonteq Securities AG | 1 | $8 | 0.00% | −6,343−100.0% | Reduced |
| Sofos Investments, Inc. | 1 | $8 | 0.00% | +1 | New |
| Ameritas Investment Partners, Inc. | 2 | $16 | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 4 | $31 | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 49 | $385 | 0.00% | +49 | New |
| CVA Family Office, LLC | 69 | $542 | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 81 | $637 | 0.00% | −1−1.2% | Reduced |
| Rossby Financial, LCC | 92 | $723 | 0.00% | 00.0% | Unchanged |
| Bayban | 100 | $786 | 0.00% | +100 | New |
| Financial Consulate, Inc | 103 | $810 | 0.00% | +103 | New |
| Sound Income Strategies, LLC | 100 | $930 | 0.00% | 00.0% | Unchanged |
| Trust Co | 158 | $1.24K | 0.00% | +158 | New |
| Abound Wealth Management | 160 | $1.26K | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 201 | $1.58K | 0.00% | 00.0% | Unchanged |
| Clean Yield Group | 218 | $1.71K | 0.00% | 00.0% | Unchanged |
| Ameriflex Group, Inc. | 267 | $2.10K | 0.00% | −267−50.0% | Reduced |
| Safe Harbor Fiduciary, LLC | 300 | $2.36K | 0.00% | +300 | New |
| Clear Street Markets LLC | 363 | $2.85K | 0.00% | +363 | New |
| LRI Investments, LLC | 364 | $2.86K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 369 | $2.90K | 0.00% | −2,436−86.8% | Reduced |
| CIBC Private Wealth Group, LLC | 372 | $2.92K | 0.00% | −1,000−72.9% | Reduced |
| Valued Wealth Advisors LLC | 423 | $3.33K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 458 | $3.60K | 0.00% | +458 | New |
| Ancora Advisors, LLC | 480 | $3.77K | 0.00% | +99+26.0% | Added |
| Cornerstone Financial Management LLC | 494 | $3.88K | 0.00% | +494 | New |
| Stone House Investment Management, LLC | 495 | $3.89K | 0.00% | +225+83.3% | Added |
| Elevated Capital Advisors, LLC | 500 | $3.93K | 0.00% | +500 | New |
| IFP Advisors, Inc | 535 | $4.21K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 553 | $4.35K | 0.00% | 00.0% | Unchanged |
| Raffa Wealth Management, LLC | 610 | $4.79K | 0.00% | +349+133.7% | Added |
| UMA Financial Services, Inc. | 619 | $4.87K | 0.00% | +247+66.4% | Added |
| Prestige Wealth Management Group LLC | 661 | $5.20K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 663 | $5.21K | 0.00% | −37−5.3% | Reduced |
| Larson Financial Group LLC | 758 | $5.96K | 0.00% | +8+1.1% | Added |
| North Star Investment Management Corp. | 779 | $6.12K | 0.00% | +711+1,045.6% | Added |
| Mizuho Securities Co. Ltd. | 782 | $6.15K | 0.08% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 795 | $6.25K | 0.00% | +148+22.9% | Added |
| True Wealth Design, LLC | 889 | $6.99K | 0.00% | +296+49.9% | Added |
| Cedar Mountain Advisors, LLC | 1,000 | $7.86K | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 1,000 | $7.86K | 0.00% | 00.0% | Unchanged |
| Cary Street Partners Financial LLC | 1,000 | $7.86K | 0.00% | +1,000 | New |
| Parkside Financial Bank & Trust | 1,020 | $8.02K | 0.00% | 00.0% | Unchanged |
| WealthCollab, LLC | 1,068 | $8.39K | 0.00% | 00.0% | Unchanged |
| Key Financial Inc | 1,200 | $9.43K | 0.00% | 00.0% | Unchanged |
| Wiser Advisor Group LLC | 1,469 | $11.5K | 0.01% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 1,549 | $12.0K | 0.00% | +1,549 | New |
| Westside Investment Management, Inc. | 1,592 | $12.5K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 1,618 | $12.7K | 0.00% | −180−10.0% | Reduced |
| SHP Wealth Management | 1,878 | $14.8K | 0.00% | +1,878 | New |
| Nisa Investment Advisors, LLC | 2,072 | $16.3K | 0.00% | +1,572+314.4% | Added |
| Northwestern Mutual Wealth Management Co | 2,083 | $16.4K | 0.00% | +47+2.3% | Added |
| SageView Advisory Group, LLC | 2,471 | $19.4K | 0.00% | +2,471 | New |
| Parallax Volatility Advisers, L.P. | 2,550 | $20.0K | 0.00% | −3,978−60.9% | Reduced |
| JFS Wealth Advisors, LLC | 2,826 | $22.2K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 3,274 | $25.7K | 0.00% | +451+16.0% | Added |
| Federation des caisses Desjardins du Quebec | 3,300 | $25.9K | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 4,096 | $32.2K | 0.00% | +4,096 | New |
| Jones Financial Companies LLLP | 4,467 | $35.1K | 0.00% | +41+0.9% | Added |
| Parvin Asset Management, LLC | 6,600 | $51.9K | 0.04% | +6,600 | New |
| Kestra Advisory Services, LLC | 6,679 | $52.5K | 0.00% | +6,679 | New |
| Smartleaf Asset Management LLC | 6,835 | $54.4K | 0.00% | +2,389+53.7% | Added |
| MAI Capital Management | 7,186 | $56.5K | 0.00% | +2,848+65.7% | Added |
| Global Retirement Partners, LLC | 7,842 | $61.6K | 0.00% | −1,549−16.5% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 8,107 | $63.7K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 8,656 | $68.0K | 0.00% | +7,390+583.7% | Added |
| Allworth Financial LP | 8,817 | $69.3K | 0.00% | +1,498+20.5% | Added |
| Cary Street Partner Investment Advisory LLC | 9,553 | $75.1K | 0.02% | +9,553 | New |
| SBI Securities Co., Ltd. | 9,740 | $76.6K | 0.00% | −917−8.6% | Reduced |
| Wealthspire Advisors, LLC | 10,006 | $78.6K | 0.00% | +9,527+1,988.9% | Added |
| We Are One Seven, LLC | 10,245 | $80.5K | 0.00% | +66+0.6% | Added |
| Merit Financial Group, LLC | 10,389 | $81.7K | 0.00% | +10,389 | New |
| RSM US Wealth Management LLC | 10,488 | $83.5K | 0.00% | +10,488 | New |
| Graham Capital Management, L.P. | 11,213 | $88.1K | 0.00% | +11,213 | New |
| Hardy Reed LLC | 11,228 | $88.3K | 0.01% | +11,228 | New |
| Farther Finance Advisors, LLC | 11,345 | $89.2K | 0.00% | +6,661+142.2% | Added |
| Commonwealth Equity Services, LLC | 11,599 | $91.2K | 0.00% | −2,315−16.6% | Reduced |
| Dynamic Advisor Solutions LLC | 11,655 | $91.6K | 0.00% | +11,655 | New |
| Caitong International Asset Management Co., Ltd | 11,956 | $94.0K | 0.02% | +11,321+1,782.8% | Added |
| Enterprise Financial Services Corp | 12,212 | $96.0K | 0.05% | +12,212 | New |
| GAMMA Investing LLC | 12,249 | $96.3K | 0.00% | −86−0.7% | Reduced |
| Bessemer Group Inc | 12,558 | $99.0K | 0.00% | +624+5.2% | Added |
| Scientech Research LLC | 12,745 | $100.2K | 0.06% | +12,745 | New |
| Lido Advisors, LLC | 12,985 | $100.2K | 0.00% | 00.0% | Unchanged |
| Choate Investment Advisors | 12,864 | $101.1K | 0.00% | +12,864 | New |
| Syon Capital LLC | 13,069 | $102.7K | 0.01% | +13,069 | New |
| Verdence Capital Advisors LLC | 13,088 | $102.9K | 0.01% | +741+6.0% | Added |
| Sepio Capital, LP | 13,169 | $103.5K | 0.01% | −2,123−13.9% | Reduced |
| Centiva Capital, LP | 13,269 | $104.3K | 0.01% | +13,269 | New |
| Tuttle Tactical Management | 13,663 | $107.4K | 0.24% | +13,663 | New |
| Henry James International Management, Inc. | 13,747 | $108.1K | 0.03% | −209−1.5% | Reduced |
| GeoWealth Management, LLC | 13,778 | $108.3K | 0.00% | −1,932−12.3% | Reduced |
| Basecamp Wealth Advisors LLC | 13,779 | $108.3K | 0.02% | +13,779 | New |
| Aviva PLC | 13,807 | $108.5K | 0.00% | 00.0% | Unchanged |
| May Hill Capital, LLC | 14,092 | $110.8K | 0.03% | +2,023+16.8% | Added |
| Cozad Asset Management Inc | 14,129 | $111.1K | 0.01% | 00.0% | Unchanged |
| Ascent Group, LLC | 14,372 | $113.0K | 0.00% | +326+2.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 14,467 | $113.7K | 0.00% | +14,467 | New |
| Venturi Wealth Management, LLC | 14,614 | $114.9K | 0.01% | +14,614 | New |
| Diversified Trust Co | 14,835 | $116.6K | 0.00% | +157+1.1% | Added |
| Leo Wealth, LLC | 14,948 | $117.5K | 0.01% | +430+3.0% | Added |