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, Q2 2025
Institutional positions in United Microelectronics Corp as of Jun 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
- 239
- +11 vs. Q1 2025
- Shares held
- 151.2M
- −3.62M (−2.3%) vs. Q1 2025
- Total value
- $1.16B
- +$54.0M (+4.9%) vs. Q1 2025
- New holders
- 47
- 85 more added
- Sold out
- 36
- 72 more reduced
6 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding United Microelectronics Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arrowstreet Capital, Limited Partnership | 317,271 | $2.43M | 0.00% | +317,271 | New |
| Wetherby Asset Management Inc | 326,804 | $2.50M | 0.11% | +326,804 | New |
| Ethic Inc. | 343,574 | $2.64M | 0.05% | −250.0% | Reduced |
| Quantinno Capital Management LP | 346,994 | $2.65M | 0.01% | +94,518+37.4% | Added |
| Guggenheim Capital LLC | 350,382 | $2.68M | 0.02% | −19,459−5.3% | Reduced |
| Susquehanna International Group, LLP | 360,128 | $2.75M | 0.00% | −301,660−45.6% | Reduced |
| JustInvest LLC | 365,708 | $2.80M | 0.03% | +88,237+31.8% | Added |
| Two Sigma Investments, LP | 378,628 | $2.90M | 0.01% | −905,816−70.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 385,531 | $2.95M | 0.02% | +77,183+25.0% | Added |
| Quadrant Capital Group LLC | 397,602 | $3.04M | 0.11% | +241,396+154.5% | Added |
| Balyasny Asset Management LLC | 463,477 | $3.55M | 0.01% | +72,999+18.7% | Added |
| D. E. Shaw & Co., Inc. | 477,789 | $3.66M | 0.00% | −208,459−30.4% | Reduced |
| Baird Financial Group, Inc. | 525,406 | $4.02M | 0.01% | −15,770−2.9% | Reduced |
| LSV Asset Management | 565,611 | $4.33M | 0.01% | −12,100−2.1% | Reduced |
| Vident Advisory, LLC | 569,810 | $4.36M | 0.05% | +192,030+50.8% | Added |
| Citadel Advisors LLC | 592,879 | $4.54M | 0.00% | −2,011,139−77.2% | Reduced |
| Moran Wealth Management, LLC | 672,124 | $5.14M | 0.16% | +10,777+1.6% | Added |
| Rhumbline Advisers | 716,330 | $5.48M | 0.00% | −2,236−0.3% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 970,407 | $7.42M | 0.18% | +444,106+84.4% | Added |
| Crossmark Global Holdings, Inc. | 1,281,177 | $9.80M | 0.16% | +23,300+1.9% | Added |
| Kadensa Capital Ltd | 1,335,392 | $10.2M | 1.63% | +160,206+13.6% | Added |
| AQR Capital Management LLC | 1,445,478 | $11.1M | 0.01% | +9,850+0.7% | Added |
| BNP Paribas Arbitrage, SA | 1,486,004 | $11.4M | 0.01% | −185,082−11.1% | Reduced |
| JPMorgan Chase & Co | 1,668,846 | $12.8M | 0.00% | +416,617+33.3% | Added |
| Creative Planning | 1,689,542 | $12.9M | 0.01% | +428,522+34.0% | Added |
| Dimensional Fund Advisors LP | 1,743,615 | $13.3M | 0.00% | +311,498+21.8% | Added |
| Maple Rock Capital Partners Inc. | 3,140,443 | $24.0M | 1.20% | +3,140,443 | New |
| Northern Trust Corp | 3,616,436 | $27.7M | 0.00% | +281,356+8.4% | Added |
| Citigroup Inc | 3,727,817 | $28.5M | 0.02% | −2,302,800−38.2% | Reduced |
| Schroder Investment Management Group | 4,237,787 | $32.4M | 0.03% | −62,396−1.5% | Reduced |
| State Street Corp | 4,292,954 | $34.4M | 0.00% | +326,243+8.2% | Added |
| Barclays PLC | 5,257,834 | $40.2M | 0.02% | +1,589,498+43.3% | Added |
| Goldman Sachs Group Inc | 5,585,582 | $42.7M | 0.01% | −70,139−1.2% | Reduced |
| Bank of America Corp | 7,044,452 | $53.9M | 0.00% | −934,687−11.7% | Reduced |
| Rafferty Asset Management, LLC | 8,403,064 | $64.3M | 0.21% | +2,826,486+50.7% | Added |
| Vanguard Group Inc | 14,825,471 | $113.4M | 0.00% | −886,713−5.6% | Reduced |
| UBS Group AG | 16,888,821 | $129.2M | 0.03% | +1,442,489+9.3% | Added |
| Morgan Stanley | 21,814,127 | $166.9M | 0.01% | +3,812,433+21.2% | Added |
| BlackRock, Inc. | 24,317,060 | $186.0M | 0.00% | +1,519,805+6.7% | Added |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −1,536,660−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −1,000,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −662,824−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −494,777−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −411,303−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −162,156−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −137,101−100.0% | Sold out |
| Old Mission Capital LLC | 0 | $0 | 0.00% | −102,975−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −102,327−100.0% | Sold out |
| Sculptor Capital LP | 0 | $0 | 0.00% | −102,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −51,974−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −35,713−100.0% | Sold out |
| Ashton Thomas Private Wealth, LLC | 0 | $0 | 0.00% | −33,686−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −21,055−100.0% | Sold out |
| Annex Advisory Services, LLC | 0 | $0 | 0.00% | −20,500−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −18,284−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −16,450−100.0% | Sold out |
| Simon Quick Advisors, LLC | 0 | $0 | 0.00% | −15,023−100.0% | Sold out |
| Savvy Advisors, Inc. | 0 | $0 | 0.00% | −14,201−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −13,005−100.0% | Sold out |
| Infini Capital Management Ltd | 0 | $0 | 0.00% | −12,816−100.0% | Sold out |
| RSM US Wealth Management LLC | 0 | $0 | 0.00% | −11,241−100.0% | Sold out |
| Silvercrest Asset Management Group LLC | 0 | $0 | 0.00% | −10,080−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −6,653−100.0% | Sold out |
| Allianz SE | 0 | $0 | 0.00% | −2,598−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Golden State Wealth Management, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Valley National Advisers Inc | 0 | $0 | 0.00% | −1,932−100.0% | Sold out |
| Wiser Advisor Group LLC | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| BOK Financial Private Wealth, Inc. | 0 | $0 | 0.00% | −1,104−100.0% | Sold out |
| Capital A Wealth Management, LLC | 0 | $0 | 0.00% | −504−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −440−100.0% | Sold out |
| Cullen/Frost Bankers, Inc. | 0 | $0 | 0.00% | −399−100.0% | Sold out |
| Asset Dedication, LLC | 0 | $0 | 0.00% | −171−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Bollard Group LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| CAPROCK Group, Inc. | – | – | – | – | Not filed |
| Glenmede Trust Co NA | – | – | – | – | Not filed |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |
| Schechter Investment Advisors, LLC | – | – | – | – | Not filed |
| Vista Wealth Management Group, LLC | – | – | – | – | Not filed |
| Credit Agricole S A | – | – | – | – | Not filed |