United Microelectronics Corporation
UMC | NYSE
$16.68
-$1.36 (-7.54%)
At close: Oct 30, 2026, 4:00 PM ET
$17.05
+$0.37 (+2.22%)
Pre-market:
Nov 2, 2026, 7:39 AM ET
Institutional Ownership
Net InflowTotal Institutions
391
Total Ownership
7.21%
Capital Flow
+$3.33B
Shares Change
+5.6M
Ownership Distribution
Institutions (7.21%)
Others (92.79%)
Institutional Sentiment
Overall: bullishEquity Sentiment & Activity
bullishNew Positions
93
Increased Positions
225
Reduced Positions
113
Closed Positions
45
New (93)
Increased (225)
Reduced (113)
Closed (45)
Options Sentiment & Activity
bullishPut/Call Ratio
0.374
Call Flow
10,231,600
Put Flow
3,821,400
Calls (73%)
Puts (27%)
Super Investors
| Super Investor / Fund | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Maverick Capital LTD | < 0.01% 0.00% | < 0.01% | 28.76K | 577.48K | |
| Tudor Investment Corp ET AL | < 0.01% +24.68% | < 0.01% | 21.9K | 395.11K |
Top Shareholders
| Institution | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 1.26% +14.82% | 0.01% +195.66% | 31.54M +14.72% | 858.32M +247.62% | |
| Ubs Group Ag | 0.47% +42.41% | 0.04% +265.51% | 11.63M +42.30% | 316.53M +331.17% | |
| Goldman Sachs Group Inc | 0.45% +89.26% | 0.03% +333.35% | 11.11M +89.11% | 302.3M +473.01% |
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