UMC United Microelectronics Corporation ADR Loading... : Bullish and Bearish Analyst Opinions
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02:14
Aug 19
Aug 19
UMC/Tower expansions noted, no directional view.
Notes UMC and Tower foundry 300mm wafer capacity expansions, linking silicon foundry wins to InP laser demand; no explicit position or target.
LOW
23:51
Aug 18
Aug 18
Lacks a clear catalyst at current prices.
While United Microelectronics is not overly expensive, the stock is already up 135% and lacks a clear catalyst to drive it higher from these elevated prices.
MED
04:31
Aug 14
Aug 14
China 28nm capex increases mature-node pricing risk.
Watch mature-node foundries and analog suppliers due to long-term pricing risks from China's 28nm capex recovery.
MED
05:24
Aug 11
Aug 11
This is a detailed supply-chain research map of the silicon photonics value chain.
This is a detailed supply-chain research map of the silicon photonics value chain, listing beneficiaries across design, foundry, packaging, and test without any explicit author position or forward-looking trade call.
10:27
Jul 31
Jul 31
The author compares EMIB-T costs and yields to CoWoS and notes an accelerated mass-production.
The author compares EMIB-T costs and yields to CoWoS and notes an accelerated mass-production timeline, but provides no personal position or directional call.
23:33
Jul 30
Jul 30
Monitor mature-node foundries as AI demand broadens into analog/power wafers.
Monitor mature-node foundries as AI demand broadens into analog/power wafers; no position disclosed.
MED
08:53
Jul 29
Jul 29
Reports UMC Q2 2026 results with revenue growth, utilization inflection to 90%+ in Q3.
Reports UMC Q2 2026 results with revenue growth, utilization inflection to 90%+ in Q3, and capex increase. No directional view from speaker.
MED
22:57
Jul 27
Jul 27
BofA raises UMC PT, flags overhyped themes
BofA raises UMC ADR PT from $9.96 to $18.97 on improving utilization and wafer pricing, while cautioning that silicon photonics, Intel collaboration, and specialty memory are overhyped; over 80% of sales remain tied to traditional tech with year-end inventory risk.
MED
02:36
Jul 27
Jul 27
UMC moved a 1.6T silicon-photonics platform into mass production on 12-inch wafers in partnership with SILITH. This positions UMC to benefit from the silicon-photonics ramp as a foundry supplier.
UMC moved a 1.6T silicon-photonics platform into mass production on 12-inch wafers in partnership with SILITH. This positions UMC to benefit from the silicon-photonics ramp as a foundry supplier.
Risk: Competition from TSMC and Tower Semi; capacity allocation decisions.
00:22
Jul 27
Jul 27
The tweet reports a past trade result for UMC that was already sold.
The tweet reports a past trade result for UMC that was already sold, with no current position or forward-looking view.
LOW
02:08
Jun 24
Jun 24
Buy UMC as HSBC upgrades to Buy, citing TSMC's accelerating consolidation from 8" to 12" wafers.
Buy UMC as HSBC upgrades to Buy, citing TSMC's accelerating consolidation from 8" to 12" wafers driving secondary foundry demand, UTR ramping to 91%/87%/93% in 2H26/1H27/2H27, 11%/27% ASP increases in 2026/27, and potential INTC partnership extension plus TFLN/advanced packaging optionality.
HIGH
18:43
Jun 23
Jun 23
Wedbush identifies UMC as the top beneficiary of TSMC's 28nm wafer cut.
Wedbush identifies UMC as the top beneficiary of TSMC's 28nm wafer cut, but the tweet is a research summary with no explicit author position or forward call.
20:27
Jun 22
Jun 22
Price observation and personal note; no clear directional thesis or catalyst provided.
LOW
14:38
Jun 22
Jun 22
Long UMC via Jan 2028 $30 calls. Stock breaking out to all-time high on a textbook.
Long UMC via Jan 2028 $30 calls. Stock breaking out to all-time high on a textbook cup-and-handle pattern; fundamental backdrop supported by specialty-node scarcity premium, Intel partnership, improving utilization, and AI-adjacent optionality.
HIGH
10:34
Jun 20
Jun 20
Buy UMC on foundry sector sympathy thesis — author expects lagging foundry names to follow.
Buy UMC on foundry sector sympathy thesis — author expects lagging foundry names to follow TSMC's move to all-time highs as the semiconductor cycle broadens.
MED
01:52
Jun 20
Jun 20
Speaker calls UMC his favorite fab, implying a favorable view.
Speaker calls UMC his favorite fab, implying a favorable view; no catalyst or trade rationale given.
LOW
16:20
Jun 18
Jun 18
Author highlights UMC as a long idea from their April 2nd substack piece.
Author highlights UMC as a long idea from their April 2nd substack piece, emphasizing the company's continued success and collaboration with Intel on advanced nodes.
15:53
Jun 18
Jun 18
The tweet reports a collaboration between UMC and Intel on 12nm and 3nm nodes but does not.
The tweet reports a collaboration between UMC and Intel on 12nm and 3nm nodes but does not express a personal position or forward-looking trade call.
LOW
02:30
May 28
May 28
Temple Eight endorses UMC as a consistent performer.
Temple Eight endorses UMC as a consistent performer, citing a bullish catalyst from its joint 12nm FinFET process with Intel and expected price hikes in 2026-2027.
LOW
14:15
May 27
May 27
Watch UMC — business quality is genuinely improving (specialty node shift, Intel partnership.
Watch UMC — business quality is genuinely improving (specialty node shift, Intel partnership, AI-adjacent optionality), but the YTD rally has pulled forward significant upside, leaving a demanding valuation setup in a cyclical industry with limited demand visibility.
MED
07:41
May 27
May 27
Watch UMC as the foundry plans selective price hikes in 2H 2026 and broader renegotiations.
Watch UMC as the foundry plans selective price hikes in 2H 2026 and broader renegotiations in 2027, which could support margin recovery — but Singapore fab expansion headwinds remain a near-term drag.
MED
19:00
May 26
May 26
Buy UMC as TSMC's migration of 7/6/5nm capacity to advanced nodes frees up lagging-edge market.
Buy UMC as TSMC's migration of 7/6/5nm capacity to advanced nodes frees up lagging-edge market share in structurally growing microcontroller, power, and sensing end-markets where UMC competes directly.
MED
03:10
May 25
May 25
Long UMC — one of speaker's three main Taiwanese positions; limit up on the AI buildout rally.
HIGH
14:00
May 20
May 20
ADI sees margin upside limited near-term because factories are running at high utilization; further revenue growth will likely require more external outsourcing, which could cap gross margin around 73%. — Suggests foundry partners will see increasing demand from ADI as internal capacity is maxed, potentially tightening supply at mature nodes.
MED
15:37
May 19
May 19
The tweet factually reports that several semiconductor stocks are trading near their 52-week.
The tweet factually reports that several semiconductor stocks are trading near their 52-week highs without expressing any forward-looking opinion or trade recommendation.
HIGH
00:05
May 15
May 15
Bearish view on ICAPS/analog/mature-node names as capacity digestion limits near-term capex.
Bearish view on ICAPS/analog/mature-node names as capacity digestion limits near-term capex recovery despite improving utilization; end-market durability remains uncertain.
HIGH
01:48
May 14
May 14
Long UMC — keeps winning; speaker keeping as staple long in portfolio.
Long UMC — keeps winning; speaker keeping as staple long in portfolio, confirming active position.
HIGH
08:54
May 08
May 08
Speaker states that IDM advanced mature processes will mostly be awarded to TSM and UMC.
Speaker states that IDM advanced mature processes will mostly be awarded to TSM and UMC, a factual observation on foundry order flow.
HIGH
05:36
May 05
May 05
The author notes that UMC and GFS previously fit a certain investment mold but has not reviewed.
The author notes that UMC and GFS previously fit a certain investment mold but has not reviewed their valuations since their recent rally, offering no forward-looking view.
HIGH
16:11
Apr 29
Apr 29
Long UMC, SMIC, and SkyWater on mature-node capacity tightening benefiting trailing-edge.
Long UMC, SMIC, and SkyWater on mature-node capacity tightening benefiting trailing-edge foundries.
HIGH
About UMC Analyst Coverage
Buzzberg tracks UMC (United Microelectronics Corporation ADR) across 17 sources. 10 bullish vs 0 bearish calls from 17 analysts. Sentiment: predominantly bullish (27%). 37 total trade ideas tracked. Past 7 days: 2 watch. Latest voices: photoncap, Jim Cramer, TheValueist.