Overview
Smart money at a glance
Filings to Oct 1, 2026Net selling: insiders sold $524.7M and bought $0 on the open market in 90 days (SEC Form 4). Congress: no trades disclosed in 180 days.
- Company insidersSEC Form 4, last 90 days
- -$524.7M netNet selling
- CongressSTOCK Act, last 180 days
- NoneNo trades disclosed
- Big fundsSEC 13F, quarter ended Jun 30, 2026
- 2 added, 2 cutEven
- Federal contractsUSAspending.gov, last 12 months
- No awardsNone on record
Key stats
Fundamentals Sep 30- Open
- $24.08
- 52-wk high
- $28.46
- High
- $24.21
- 52-wk low
- $6.85
- Low
- $23.42
- Prev close
- $24.31
- Mkt cap
- $59.81B
- P/E
- 22.9x
- Volume
- 7.04M
- Fwd P/E
- 23.8x
- Beta
- 1.70
- Div yield
- 1.68%
- P/S
- 0.2x
- P/B
- 4.6x
- Profit margin
- +33.3%
- Op margin
- +21.7%
- ROE
- +21.3%
What do analysts expect?
Analyst target and ratings are on paid plans
See the 12-month consensus target and the buy/hold/sell rating split.
Unlock the full resultsQuestions about UMC filings
Are insiders buying or selling United Microelectronics (UMC) stock?
Net selling: insiders sold $524.7M and bought $0 of UMC stock on the open market in the 90 days to Oct 1, 2026, according to SEC Form 4 filings. The largest was Liu, Chitung (CFO & SVP), who sold $523.1M. The latest filing was on Sep 22, 2026.
Which members of Congress have traded UMC recently?
None. No member of Congress disclosed a UMC trade with a trade date in the last 180 days, according to House and Senate STOCK Act filings.
How current is this UMC smart-money data?
This summary uses filings available on Oct 1, 2026. Insiders must report trades to the SEC within 2 business days, members of Congress have up to 45 days to disclose a trade, and funds file 13F holdings up to 45 days after each quarter ends, so the latest moves may not be public yet.
Smart money
8 funds hold a position and insiders have been net selling.
What funds are doing
Buys/Adds (1)
- BO

Bank of America
$253.7M
added
Sells/Trims (2)
- QR

Qube Research
$45.8M
sold
- TS

Two Sigma
$2.7M
trimmed
What insiders are doing
How top traders are positioned
No tracked top-trader positions in UMC right now.
Live Hyperliquid positioning - not every stock is covered
Activist stakes, short interest & more
Earnings
Earnings came in 25.0% below what analysts expected.
Earnings per share
$0.16 expected
Reports Oct 28, 2026, in 27 days
Estimates as of Sep 30, 2026
EPS expected
$0.03 to $0.21
Revenue expected
13 analysts
Last 30 days
Analysts raising estimates
Estimate drift
Change in 30 days
Financials
What it sold, what it cost, what was left.
| USD | Jun 2025 | Dec 2025 |
|---|---|---|
| What came in | ||
| Revenue | $58.76B | $61.81B |
| Cost of what it sold | $41.88B | $42.85B |
| Gross profit | $16.88B | $18.96B |
| What it spent | ||
| Research and development | $4.19B | $4.94B |
| Sales and admin | $1.68B | $1.85B |
| Other operating costs | $182.3M | — |
| Total operating expenses | $6.06B | $6.73B |
| What was left | ||
| Operating profit | $10.82B | $12.22B |
| Interest on debt | $360.4M | $385.5M |
| Profit before tax | $10.15B | $15.50B |
| Tax | $1.31B | $5.50B |
| Net profit | $8.90B | $10.05B |
| EBITDA | $24.98B | $31.46B |
Technicals
Price structure
This stock is in a strong uptrend.
Trend
Strong uptrend
100 / 100
RSI 14
20D volatility
52-week range
20D support
20D resistance
Returns
Price vs moving averages
Volume pace