§ SEMICONDUCTORS
TAIWAN STOCK EXCHANGE · TWD · SemiconductorsUMC
United Microelectronics Corp
TAIWAN STOCK EXCHANGE · TWDSector · SemiconductorsBeta · 0.48
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 9.69HIGH 9.70LOW 9.5252W 40.10 — 80.20
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
234 increased/new, 112 decreased/exited (13F)
AC 13F Analysis
ANALYST
4 buy, 17 hold, 13 sell
Finnhub
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 22.2 | P/B | 1.64 |
| EPS (TTM) | 3.31 | Dividend | 3.49% |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 27.5M | 0.0% | +2% |
| AQR Capital Management | 14.7M | 0.1% | +55% |
| TWO SIGMA INVESTMENTS, LP | 9.7M | 0.1% | +70% |
| VANGUARD CAPITAL MANAGEMENT LLC | 9.0M | n/a | n/a |
| Morgan Stanley | 8.8M | 0.0% | n/a |
| UBS Group AG | 8.2M | 0.0% | +79% |
◇ AC INTELLIGENCE
Top institutional owners for UMC as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER100.0% · 3 holders
OTHER0.0% · 256 holders
DEALER / BANK0.0% · 21 holders
PASSIVE / INDEX0.0% · 5 holders
GROWTH / MOMENTUM0.0% · 1 holder
QUALITY / COMPOUNDER0.0% · 14 holders
SYSTEMATIC / QUANT0.0% · 13 holders
TACTICAL / MACRO0.0% · 4 holders
ACTIVIST0.0% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for UMC in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention UMC yet.