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 2025
Institutional positions in United Microelectronics Corp as of Sep 30, 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
- 240
- +3 vs. Q2 2025
- Shares held
- 132.6M
- −18.6M (−12.3%) vs. Q2 2025
- Total value
- $1.00B
- −$153.5M (−13.3%) vs. Q2 2025
- New holders
- 41
- 81 more added
- Sold out
- 38
- 88 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Key Financial Inc | 1,200 | $8.89K | 0.00% | 00.0% | Unchanged |
| WealthCollab, LLC | 1,068 | $8.10K | 0.00% | +289+37.1% | Added |
| Parkside Financial Bank & Trust | 1,020 | $7.73K | 0.00% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 1,000 | $7.58K | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 1,000 | $7.58K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 786 | $5.96K | 0.00% | +18+2.3% | Added |
| Mizuho Securities Co. Ltd. | 782 | $5.93K | 0.04% | +281+56.1% | Added |
| Larson Financial Group LLC | 750 | $5.68K | 0.00% | +5+0.7% | Added |
| GWM Advisors LLC | 700 | $5.31K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 661 | $5.01K | 0.00% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 647 | $4.90K | 0.00% | −78−10.8% | Reduced |
| Caitong International Asset Management Co., Ltd | 635 | $4.81K | 0.00% | +635 | New |
| True Wealth Design, LLC | 593 | $4.50K | 0.00% | +234+65.2% | Added |
| Fifth Third Bancorp | 553 | $4.19K | 0.00% | +155+38.9% | Added |
| IFP Advisors, Inc | 535 | $4.05K | 0.00% | 00.0% | Unchanged |
| Ameriflex Group, Inc. | 534 | $4.05K | 0.00% | +267+100.0% | Added |
| Nisa Investment Advisors, LLC | 500 | $3.79K | 0.00% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 479 | $3.63K | 0.00% | +479 | New |
| Valued Wealth Advisors LLC | 423 | $3.21K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 419 | $3.18K | 0.00% | +419 | New |
| Ancora Advisors, LLC | 381 | $2.89K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 372 | $2.82K | 0.00% | −3−0.8% | Reduced |
| LRI Investments, LLC | 364 | $2.76K | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 278 | $2.11K | 0.00% | −89−24.3% | Reduced |
| Stone House Investment Management, LLC | 270 | $2.05K | 0.00% | +270 | New |
| Raffa Wealth Management, LLC | 261 | $1.98K | 0.00% | +97+59.1% | Added |
| Tower Research Capital LLC (TRC) | 236 | $1.79K | 0.00% | −6,108−96.3% | Reduced |
| Clean Yield Group | 218 | $1.65K | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 201 | $1.52K | 0.00% | +201 | New |
| Abound Wealth Management | 160 | $1.21K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 100 | $748 | 0.00% | −100−50.0% | Reduced |
| Rossby Financial, LCC | 92 | $682 | 0.00% | +92 | New |
| Russell Investments Group, Ltd. | 82 | $622 | 0.00% | −89−52.0% | Reduced |
| CVA Family Office, LLC | 69 | $523 | 0.00% | +69 | New |
| North Star Investment Management Corp. | 68 | $515 | 0.00% | +68 | New |
| Groupe la Francaise | 1,400 | $297 | 0.00% | +1,400 | New |
| Bogart Wealth, LLC | 4 | $30 | 0.00% | +4 | New |
| Ameritas Investment Partners, Inc. | 2 | $15 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 1 | $8 | 0.00% | 00.0% | Unchanged |
| Creekmur Asset Management LLC | 1 | $4 | 0.00% | 00.0% | Unchanged |
| Maple Rock Capital Partners Inc. | 0 | $0 | 0.00% | −3,140,443−100.0% | Sold out |
| Kadensa Capital Ltd | 0 | $0 | 0.00% | −1,335,392−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −477,789−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −317,271−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −134,341−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −126,016−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −104,945−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −63,004−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −49,197−100.0% | Sold out |
| Johnson Investment Counsel Inc | 0 | $0 | 0.00% | −29,000−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −25,600−100.0% | Sold out |
| Eqis Capital Management, Inc. | 0 | $0 | 0.00% | −23,376−100.0% | Sold out |
| Abacus Wealth Partners, LLC | 0 | $0 | 0.00% | −23,169−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −22,816−100.0% | Sold out |
| Resonant Capital Advisors, LLC | 0 | $0 | 0.00% | −14,592−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −13,298−100.0% | Sold out |
| Enterprise Financial Services Corp | 0 | $0 | 0.00% | −12,008−100.0% | Sold out |
| Viking Fund Management LLC | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Modern Wealth Management, LLC | 0 | $0 | 0.00% | −11,337−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −10,683−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −10,507−100.0% | Sold out |
| Wealth Alliance | 0 | $0 | 0.00% | −10,042−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −5,600−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −1,052−100.0% | Sold out |
| Sierra Ocean, LLC | 0 | $0 | 0.00% | −731−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −688−100.0% | Sold out |
| Kiker Wealth Management, LLC | 0 | $0 | 0.00% | −670−100.0% | Sold out |
| Brown Brothers Harriman & Co | 0 | $0 | 0.00% | −558−100.0% | Sold out |
| Park Square Financial Group, LLC | 0 | $0 | 0.00% | −524−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −521−100.0% | Sold out |
| Bryn Mawr Trust Co | 0 | $0 | 0.00% | −325−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −323−100.0% | Sold out |
| Garde Capital, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −117−100.0% | Sold out |
| Carolina Wealth Advisors, LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| High Note Wealth, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Atria Wealth Solutions, Inc. | – | – | – | – | Not filed |
| Safe Harbor Fiduciary, LLC | – | – | – | – | Not filed |