Who owns UNITED MICROELECTRONICS CORP?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of UMC from SEC Form 13F filings across 363 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 363 institutions disclosed 180.0M shares of UNITED MICROELECTRONICS CORP worth $4.89B — about 7.2% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
363
13F holders
$4.89B
value, 2026 filers
7.2%
of shares outstanding (180.0M sh)
94
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of UMC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 31.5M | $858.3M | 0.0% | 1.3% | +14.7% |
| 2 | UBS Group AG | 11.6M | $316.5M | 0.0% | 0.5% | +42.3% |
| 3 | GOLDMAN SACHS GROUP INC | 11.1M | $302.3M | 0.0% | 0.4% | +89.1% |
| 4 | BANK OF AMERICA CORP /DE/ | 10.2M | $277.0M | 0.0% | 0.4% | +291.1% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 8.6M | $234.1M | 0.0% | 0.3% | -4.3% |
| 6 | MORGAN STANLEY | 8.3M | $225.5M | 0.0% | 0.3% | -5.6% |
| 7 | AQR CAPITAL MANAGEMENT LLC | 7.7M | $210.0M | 0.1% | 0.3% | -47.5% |
| 8 | Rafferty Asset Management, LLC | 7.7M | $208.2M | 0.5% | 0.3% | +53.6% |
| 9 | ACADIAN ASSET MANAGEMENT LLC | 5.8M | $156.5M | 0.2% | 0.2% | -29.2% |
| 10 | Man Group plc | 5.6M | $152.2M | 0.2% | 0.2% | -2.4% |
| 11 | CITIGROUP INC | 5.4M | $147.3M | 0.0% | 0.2% | +26.0% |
| 12 | BARCLAYS PLC | 4.9M | $133.1M | 0.0% | 0.2% | +3.2% |
| 13 | STATE STREET CORP | 4.9M | $132.7M | 0.0% | 0.2% | -2.7% |
| 14 | NEUBERGER BERMAN GROUP LLC | 4.1M | $111.0M | 0.1% | 0.2% | +3524.9% |
| 15 | NORTHERN TRUST CORP | 4.0M | $108.5M | 0.0% | 0.2% | +24.6% |
| 16 | JPMORGAN CHASE & CO | 3.7M | $98.3M | 0.0% | 0.1% | +1304.2% |
| 17 | DIMENSIONAL FUND ADVISORS LP | 3.2M | $87.6M | 0.0% | 0.1% | +13.0% |
| 18 | TWO SIGMA INVESTMENTS, LP | 3.1M | $84.0M | 0.1% | 0.1% | -68.0% |
| 19 | Creative Planning | 2.5M | $66.7M | 0.0% | 0.1% | +3.7% |
| 20 | Tidal Investments LLC | 2.4M | $64.1M | 0.1% | 0.1% | +47.6% |
| 21 | Empowered Funds, LLCNEW | 1.9M | $51.5M | 0.3% | 0.1% | new |
| 22 | MATTHEWS INTERNATIONAL CAPITAL MANAGEMENT LLC | 1.5M | $39.9M | 13.7% | 0.1% | +49.9% |
| 23 | Connor, Clark & Lunn Investment Management Ltd. | 1.3M | $36.5M | 0.1% | 0.1% | +89.1% |
| 24 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.2M | $33.5M | 0.0% | 0% | -55.4% |
| 25 | BNP PARIBAS FINANCIAL MARKETS | 1.1M | $30.7M | 0.0% | 0% | -28.8% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.