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 |
|---|---|---|---|---|---|
| Creekmur Asset Management LLC | 1 | $4 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 1 | $8 | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2 | $15 | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 4 | $30 | 0.00% | +4 | New |
| Groupe la Francaise | 1,400 | $297 | 0.00% | +1,400 | New |
| North Star Investment Management Corp. | 68 | $515 | 0.00% | +68 | New |
| CVA Family Office, LLC | 69 | $523 | 0.00% | +69 | New |
| Russell Investments Group, Ltd. | 82 | $622 | 0.00% | −89−52.0% | Reduced |
| Rossby Financial, LCC | 92 | $682 | 0.00% | +92 | New |
| Sound Income Strategies, LLC | 100 | $748 | 0.00% | −100−50.0% | Reduced |
| Abound Wealth Management | 160 | $1.21K | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 201 | $1.52K | 0.00% | +201 | New |
| Clean Yield Group | 218 | $1.65K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 236 | $1.79K | 0.00% | −6,108−96.3% | Reduced |
| Raffa Wealth Management, LLC | 261 | $1.98K | 0.00% | +97+59.1% | Added |
| Stone House Investment Management, LLC | 270 | $2.05K | 0.00% | +270 | New |
| Principal Securities, Inc. | 278 | $2.11K | 0.00% | −89−24.3% | Reduced |
| LRI Investments, LLC | 364 | $2.76K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 372 | $2.82K | 0.00% | −3−0.8% | Reduced |
| Ancora Advisors, LLC | 381 | $2.89K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 419 | $3.18K | 0.00% | +419 | New |
| Valued Wealth Advisors LLC | 423 | $3.21K | 0.00% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 479 | $3.63K | 0.00% | +479 | New |
| Nisa Investment Advisors, LLC | 500 | $3.79K | 0.00% | 00.0% | Unchanged |
| Ameriflex Group, Inc. | 534 | $4.05K | 0.00% | +267+100.0% | Added |
| IFP Advisors, Inc | 535 | $4.05K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 553 | $4.19K | 0.00% | +155+38.9% | Added |
| True Wealth Design, LLC | 593 | $4.50K | 0.00% | +234+65.2% | Added |
| Caitong International Asset Management Co., Ltd | 635 | $4.81K | 0.00% | +635 | New |
| Highline Wealth Partners LLC | 647 | $4.90K | 0.00% | −78−10.8% | Reduced |
| Prestige Wealth Management Group LLC | 661 | $5.01K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 700 | $5.31K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 750 | $5.68K | 0.00% | +5+0.7% | Added |
| Mizuho Securities Co. Ltd. | 782 | $5.93K | 0.04% | +281+56.1% | Added |
| GPS Wealth Strategies Group, LLC | 786 | $5.96K | 0.00% | +18+2.3% | Added |
| 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 |
| Parkside Financial Bank & Trust | 1,020 | $7.73K | 0.00% | 00.0% | Unchanged |
| WealthCollab, LLC | 1,068 | $8.10K | 0.00% | +289+37.1% | Added |
| Key Financial Inc | 1,200 | $8.89K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 1,266 | $9.60K | 0.00% | −27−2.1% | Reduced |
| CIBC Private Wealth Group, LLC | 1,372 | $10.4K | 0.00% | −652−32.2% | Reduced |
| Wiser Advisor Group LLC | 1,469 | $11.1K | 0.01% | +1,469 | New |
| Westside Investment Management, Inc. | 1,592 | $11.8K | 0.00% | +1,592 | New |
| Umb Bank N A | 1,725 | $13.1K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 1,798 | $13.6K | 0.00% | +622+52.9% | Added |
| Northwestern Mutual Wealth Management Co | 2,036 | $15.4K | 0.00% | +80+4.1% | Added |
| Simplex Trading, LLC | 2,430 | $18.0K | 0.00% | −1,608−39.8% | Reduced |
| Assetmark, Inc | 2,473 | $18.7K | 0.00% | +1,793+263.7% | Added |
| CoreCap Advisors, LLC | 2,805 | $21.3K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 2,823 | $21.4K | 0.00% | −2,977−51.3% | Reduced |
| Rockefeller Capital Management L.P. | 2,826 | $21.4K | 0.00% | +2,826 | New |
| JFS Wealth Advisors, LLC | 2,826 | $21.4K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 3,300 | $25.0K | 0.00% | +800+32.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 4,265 | $32.3K | 0.00% | +3,234+313.7% | Added |
| MAI Capital Management | 4,338 | $32.9K | 0.00% | −16,766−79.4% | Reduced |
| Jones Financial Companies LLLP | 4,426 | $33.4K | 0.00% | −836−15.9% | Reduced |
| Smartleaf Asset Management LLC | 4,446 | $33.7K | 0.00% | +872+24.4% | Added |
| Farther Finance Advisors, LLC | 4,684 | $35.5K | 0.00% | +444+10.5% | Added |
| Royal Bank of Canada | 4,845 | $37.0K | 0.00% | −6,626−57.8% | Reduced |
| Leonteq Securities AG | 6,344 | $48.1K | 0.00% | +6,343+634,300.0% | Added |
| Parallax Volatility Advisers, L.P. | 6,528 | $49.5K | 0.00% | +330+5.3% | Added |
| Allworth Financial LP | 7,319 | $55.5K | 0.00% | +319+4.6% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 8,107 | $61.5K | 0.00% | +8,107 | New |
| Global Retirement Partners, LLC | 9,391 | $71.2K | 0.00% | −1,066−10.2% | Reduced |
| We Are One Seven, LLC | 10,179 | $77.2K | 0.00% | +10,179 | New |
| Mitsubishi UFJ Trust & Banking Corp | 10,300 | $78.1K | 0.00% | 00.0% | Unchanged |
| Euro Pacific Asset Management, LLC | 10,016 | $80.0K | 0.01% | +10,016 | New |
| SBI Securities Co., Ltd. | 10,657 | $80.8K | 0.00% | −1,301−10.9% | Reduced |
| HB Wealth Management, LLC | 11,672 | $88.5K | 0.00% | −1,799−13.4% | Reduced |
| Advisor Group Holdings, Inc. | 12,004 | $89.3K | 0.00% | −2,752−18.7% | Reduced |
| Bessemer Group Inc | 11,934 | $90.0K | 0.00% | −581−4.6% | Reduced |
| May Hill Capital, LLC | 12,069 | $91.5K | 0.03% | −391−3.1% | Reduced |
| Verdence Capital Advisors LLC | 12,347 | $93.5K | 0.01% | +333+2.8% | Added |
| GAMMA Investing LLC | 12,335 | $93.5K | 0.01% | −829−6.3% | Reduced |
| Bridgefront Capital, LLC | 12,560 | $95.2K | 0.03% | +12,560 | New |
| Allspring Global Investments Holdings, LLC | 12,941 | $95.9K | 0.00% | −340−2.6% | Reduced |
| Arete Wealth Advisors, LLC | 12,857 | $97.0K | 0.01% | +12,857 | New |
| Lido Advisors, LLC | 12,985 | $98.4K | 0.00% | +12,985 | New |
| Crestwood Advisors Group LLC | 13,091 | $99.2K | 0.00% | −6,523−33.3% | Reduced |
| Aviva PLC | 13,807 | $104.7K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 13,914 | $105.0K | 0.00% | −2,206−13.7% | Reduced |
| CBOE Vest Financial, LLC | 13,883 | $105.2K | 0.00% | +13,883 | New |
| Henry James International Management, Inc. | 13,956 | $105.8K | 0.03% | −44−0.3% | Reduced |
| Ascent Group, LLC | 14,046 | $106.5K | 0.00% | −4,107−22.6% | Reduced |
| Cozad Asset Management Inc | 14,129 | $107.1K | 0.01% | +1,300+10.1% | Added |
| Legal & General Group Plc | 14,134 | $107.1K | 0.00% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 14,367 | $108.9K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 14,369 | $108.9K | 0.00% | −5,842−28.9% | Reduced |
| Leo Wealth, LLC | 14,518 | $110.0K | 0.01% | +47+0.3% | Added |
| Diversified Trust Co | 14,678 | $111.3K | 0.00% | +14,678 | New |
| Wealth Architects, LLC | 14,981 | $113.6K | 0.01% | 00.0% | Unchanged |
| Sepio Capital, LP | 15,292 | $115.9K | 0.01% | +15,292 | New |
| Barometer Capital Management Inc. | 15,447 | $117.1K | 0.03% | 00.0% | Unchanged |
| GeoWealth Management, LLC | 15,710 | $119.1K | 0.00% | +1,459+10.2% | Added |
| Atria Investments LLC | 16,067 | $121.8K | 0.00% | −4,337−21.3% | Reduced |
| XTX Topco Ltd | 16,736 | $126.9K | 0.01% | +16,736 | New |
| Hennessy Advisors Inc | 16,741 | $126.9K | 0.00% | +1,833+12.3% | Added |
| Prime Capital Investment Advisors, LLC | 16,990 | $128.8K | 0.00% | +2,741+19.2% | Added |
| Sageworth Trust Co | 16,994 | $128.8K | 0.01% | +16,994 | New |