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UNITED MICRO SP ADR (UMC)
NYSE
$23.36-$0.10 (-0.43%)
Price as of Jul 13, 2026 7:59 PM EDT- $61.1BMarket Cap
- 230.25%1-Year Change
- SemiconductorsIndustry
UNITED MICRO SP ADR (UMC)
$23.36-$0.10 (-0.43%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 1.10% | 27.5M | +512,365 (+1.86%) | Mar 31, 2026 |
BLACKROCK FUNDING, INC. /DE | 0.95% | 23.6M | +657,234 (+2.78%) | Dec 31, 2024 |
BLACKROCK INC. | 0.93% | 23.1M | +980,055 (+4.24%) | Jun 30, 2024 |
AQR CAPITAL MANAGEMENT LLC | 0.59% | 14.7M | +5.2M (+35.68%) | Mar 31, 2026 |
VANGUARD GROUP INC | 0.54% | 13.5M | -728,404 (-5.39%) | Dec 31, 2025 |
TWO SIGMA INVESTMENTS, LP | 0.39% | 9.7M | +4.0M (+41.22%) | Mar 31, 2026 |
N/A | 0.36% | 9.0M | +9.0M (+100.00%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INTERNATIONAL EQUITY INDEX FUNDS | 0.80% | 20.0M | 0 (0.00%) | Apr 30, 2026 |
iSHARES TRUST | 0.52% | 13.0M | 0 (0.00%) | Apr 30, 2026 |
SPDR INDEX SHARES FUNDS | 0.20% | 4.9M | +179,359 (+3.63%) | Mar 31, 2026 |
Direxion Shares ETF Trust | 0.17% | 4.3M | -1.1M (-26.17%) | Apr 30, 2026 |
VANGUARD STAR FUNDS | 0.12% | 3.0M | 0 (0.00%) | Apr 30, 2026 |
Dimensional ETF Trust | 0.10% | 2.4M | +192,809 (+7.92%) | Apr 30, 2026 |
EA Series Trust | 0.07% | 1.8M | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions2.5B (79.76%)
- Mutual Funds603.3M (18.97%)
- Insiders40.6M (1.28%)
- Other0 (0.00%)
Insider Transactions
- 1.28% (40.6M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $220.4MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Liu Chitung CFO & SVP | Sell | Jul 13, 2026 | $294.3M | 1.9M | $154.89 | 3.3M |