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, Q3 2021
Institutional positions in United Microelectronics Corp as of Sep 30, 2021. 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
- 230
- +29 vs. Q2 2021
- Shares held
- 118.0M
- +28.5M (+31.8%) vs. Q2 2021
- Total value
- $1.35B
- +$501.1M (+59.2%) vs. Q2 2021
- New holders
- 49
- 93 more added
- Sold out
- 20
- 57 more reduced
2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bell Investment Advisors, Inc | 1,219 | $14.0K | 0.00% | +1,219 | New |
| Patriot Financial Group Insurance Agency, LLC | 1,176 | $13.0K | 0.00% | −13−1.1% | Reduced |
| NEXT Financial Group, Inc | 1,037 | $12.0K | 0.00% | −806−43.7% | Reduced |
| Prestige Wealth Management Group LLC | 1,020 | $12.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,000 | $11.0K | 0.00% | −2,445−71.0% | Reduced |
| Baldwin Brothers Inc | 1,000 | $11.0K | 0.00% | 00.0% | Unchanged |
| Optimum Investment Advisors | 1,000 | $11.0K | 0.00% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 1,000 | $11.0K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 1,060 | $11.0K | 0.00% | +430+68.3% | Added |
| Meridian Wealth Partners, LLC | 960 | $11.0K | 0.00% | +960 | New |
| Webster Bank, N. A. | 880 | $10.0K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 814 | $9.00K | 0.00% | +267+48.8% | Added |
| First Horizon Advisors, Inc. | 825 | $9.00K | 0.00% | +825 | New |
| Lake Point Wealth Management | 725 | $8.00K | 0.00% | 00.0% | Unchanged |
| Private Capital Group, LLC | 663 | $8.00K | 0.00% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 500 | $6.00K | 0.00% | 00.0% | Unchanged |
| BDO Wealth Advisors, LLC | 400 | $5.00K | 0.00% | 00.0% | Unchanged |
| Spectrum Management Group, LLC | 306 | $3.00K | 0.00% | +306 | New |
| Focused Wealth Management, Inc | 188 | $2.00K | 0.00% | +185+6,166.7% | Added |
| Thomas J. Herzfeld Advisors, Inc. | 208 | $2.00K | 0.00% | +208 | New |
| Eagle Bay Advisors LLC | 141 | $2.00K | 0.00% | +141 | New |
| Raffa Wealth Management, LLC | 164 | $1.88K | 0.00% | +73+80.2% | Added |
| Sonora Investment Management, LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 80 | $1.00K | 0.00% | +80 | New |
| Glen Eagle Advisors, LLC | 2 | $23 | 0.00% | +2 | New |
| Eaton Vance Management | 6,231 | $0 | 0.00% | −15,992−72.0% | Reduced |
| Carroll Financial Associates, Inc. | 69 | $0 | 0.00% | −150−68.5% | Reduced |
| Joseph P. Lucia & Associates, LLC | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Kowal Investment Group, LLC | 4 | $0 | 0.00% | +4 | New |
| Sofos Investments, Inc. | 304 | – | – | +4+1.3% | Added |
| FengHe Fund Management Pte. Ltd. | 0 | $0 | 0.00% | −1,346,128−100.0% | Sold out |
| Old Mission Capital LLC | 0 | $0 | 0.00% | −307,408−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −132,793−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −110,771−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −97,395−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −96,917−100.0% | Sold out |
| Grantham, Mayo, Van Otterloo & Co. LLC | 0 | $0 | 0.00% | −39,500−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −21,274−100.0% | Sold out |
| Robertson Stephens Wealth Management, LLC | 0 | $0 | 0.00% | −18,000−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −17,320−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −17,090−100.0% | Sold out |
| Sentinel Trust Co Lba | 0 | $0 | 0.00% | −12,971−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −3,672−100.0% | Sold out |
| Enterprise Financial Services Corp | 0 | $0 | 0.00% | −2,086−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −752−100.0% | Sold out |
| Perennial Advisors, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Pinnacle Bancorp, Inc. | 0 | $0 | 0.00% | −501−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| TD Private Client Wealth LLC | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| First Horizon Corp | – | – | – | – | Not filed |