Who mentions $UMC most on Surfaced?

@investmentguru_ (InvestmentGuru) mentions $UMC most — 6 mentions in the past 12 months.

When was $UMC first mentioned on Surfaced?

The earliest tracked mention of $UMC in the Surfaced archive was on Jan 25, 2026.

How many voices track $UMC?

10 FinTwit voices have mentioned $UMC 21 times in the past 12 months.

What kind of voices mention $UMC most?

$UMC is mentioned most by Long Research voices on Surfaced.

Last 12mo stats

mentions

voices

$UMC

United Microelectronics

$UMC

United Microelectronics

Past 12mo:21mentions10voices

All voices4 calls since May 2026show all

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About this stock

Over the past 12 months, $UMC received 21 mentions from 10 distinct FinTwit voices, with the first mention appearing on January 25, 2026. The most-active voice discussing the ticker was @investmentguru_ (InvestmentGuru) with 6 mentions, followed by @aleabitoreddit (Serenity) with 3 mentions. Other notable voices including @jasonl_capital, @stocksavvyshay, and @thevalueist each contributed 2 mentions. The dominant discussion category centered on long research, reflecting fundamental analysis of the company's operations and market positioning.

Recent mentions in June and July 2026 characterized $UMC within broader investment contexts. On June 24, @investmentguru_ posted a standalone reference to the ticker. On June 22, @kaizen_investor identified $UMC as a confirmed customer of a small-cap aerospace and semiconductor supplier, highlighting the company's connections to major industry players. Most recently on July 6, @midascabal referenced $UMC in discussion of insider portfolio tracking, though this post appeared to conflate ticker symbols in its analysis.

AI-generated from tracked posts · updated Sep 1, 2026

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Recent calls

4 calls

@thevalueistJun 22, 2026 · 2:38 PM

$UMC breaking out to an all-time high. I'm long UMC 1/21/28 c30. Still much more to go on this name. Recent textbook WON cup and handle - you may think this is hocus pocus, and I can certainly tell you this pattern repeats itself countless times. You still must have high conviction in the fundamental view, and this pattern simply increases your hit rate. Club Valueist - get involved. It will be the best $1/month you’ll ever spend.

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@investmentguru_Jun 22, 2026 · 11:19 AM

$UMC is evolving from a traditional logic foundry into a vital enabler of heterogeneous integration — as AI and optical interconnect technologies dominate data centers and edge systems, manufacturing platforms that integrate silicon photonics, MEMS, TSV, and advanced packaging become the essential bridges connecting compute, memory, and communication. That’s not a commodity foundry story. That’s a picks-and-shovels play on AI’s physical layer — with a silicon photonics catalyst, a CPO roadmap, and a geographic diversification tailwind all converging at once. $UMC is a setup you shouldn’t ignore. Follow for full AI Infrastructure coverage — Silicon to Substation. Not financial advice.

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@tradexwhispererMay 28, 2026 · 7:04 PM

$TSM $UMC Price Hikes, Again. UMC (Taiwan’s second-largest foundry) plans selective price increases in the second half of 2026, followed by broader and potentially larger negotiations with customers in 2027. This aligns with industry-wide pricing pressure, including rumored TSMC 3nm hikes of up to 15% in 2H26 and additional 5 - 10% in 2027, driven by strong AI/ASIC demand. Increases will primarily target new orders, new processes, and newly ramped capacity. Existing long-term contracts remain unchanged. Drivers: Rising raw material costs + significantly higher expansion costs in Singapore compared to Taiwan. Magnitude in 2H26: Expected to be limited/selective (earlier reports suggested ~10% possible as soon as July). 2027 hikes could be more substantial. UMC is accelerating its new Singapore fab (focused on 22/28nm and specialty processes): Initial capacity: ~12K wafers/month, scalable to 18K. Ramp: Gradual in 2026, mass production likely 2027. Additional plans: Silicon photonics, advanced nodes, advanced packaging. Interposer capacity doubling (3K → 6K wafers/month) to meet demand. Boom after Boom.

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@thevalueistMay 27, 2026 · 2:15 PM

$UMC $2303 UMC: Scarcity Premium and the Mature-Node Resurgence. Investment Thesis. UMC has moved beyond the standard foundry recovery narrative and is beginning to attract attention as a scarcity asset — a characterization that reflects both the strategic repositioning underway and the broader market recognition that specialty node capacity is not easily replicated. The shift toward 22nm and 14nm specialty nodes moves UMC away from commoditized legacy production and toward a more defensible position where technical qualification requirements and customer switching costs create pricing durability that generic wafer volume cannot support. The Intel manufacturing partnership is the most strategically significant recent development. It extends UMC's technological reach and geographic relevance without requiring the kind of capital commitment that an independent leading-edge buildout would demand. In an environment where geopolitical supply chain resilience is an active customer priority, that partnership adds a dimension to UMC's value proposition that pure process technology comparisons don't capture. The exploration of AI-adjacent packaging and silicon photonics is worth monitoring as a longer-term optionality story. Neither is a near-term revenue driver at scale, but both represent logical adjacencies for a foundry with specialty node expertise and a customer base increasingly focused on heterogeneous integration. The trajectory of those initiatives will indicate how seriously UMC is investing in the transition versus using them as narrative support. Utilization rates are improving and operational momentum is genuine. The financial foundation is solid. The concern is entirely in the valuation. The year-to-date rally has pulled forward a significant portion of the fundamental upside, and the current share price appears to embed a best-case scenario that requires sustained pricing power, continued utilization improvement, and ongoing earnings beats to justify. That is a demanding setup in a cyclical industry where demand visibility beyond a few quarters is inherently limited. The business is genuinely improving and the strategic direction is credible. The investment question is not whether UMC is a better company than it was — it clearly is — but whether the current entry point leaves sufficient upside to compensate for the execution requirements now embedded in the multiple.

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