Simmtech makes package substrates that turn semiconductor chips into finished components, along with PCBs for memory modules. The company is reshaping its business toward higher-value substrates such as fine-circuit (MSAP) and FC-CSP products while trimming low-margin lines, so it earns more from the same volume. Its Q1 2026 preliminary results, disclosed on May 6, confirmed a return to profit, and Simmtech occupies the rare position of supplying SOCAMM substrates for Nvidia's next-generation AI platform to all three memory makers - Samsung Electronics, SK Hynix and Micron - placing it directly in the path of rising AI and high-performance memory demand. Two things stand out lately: the mix shift toward higher-value products, combined with ample spare utilization, lets the company convert price hikes and higher volumes into profit, so the direction of earnings improvement is real; at the same time, its balance sheet has limited slack (debt ratio of 281.5%, current ratio of 91.3%), convertible bonds could dilute shares, and with the stock having tripled in three months, much of the recovery is already priced in.
At-a-glance assessment financial health · growth · profitability · valuation
- Debt is somewhat higher than equity (debt ratio 281.5%).
- Assets that can be turned to cash within a year fall short of near-term liabilities (current ratio 91.3%).
- Operating profit barely covers the interest bill (interest coverage below 1x).
- The most recent full-year net result was a loss.
- Revenue rose 14.5% year over year, and the pace is slowing (3-year trend: rising).
- Most recent quarter (Q1 2026) revenue was 39.1% higher than a year earlier.
- ROE is -28.5% (controlling-interest basis). It is below the sector average.
- Operating margin is 0.8%.
- The forward P/E sits above the sector median, reflecting elevated expectations.
Ownership & governance As of 2025-12-31
Largest shareholder Simmtech Holdings 33.19% (corporate)
Controlling bloc incl. related parties 33.28%
With the controlling bloc holding 33%, the ownership structure is stable.
🔎 In-depth analysis
- Simmtech makes package substrates - which mount a semiconductor chip onto a wiring board to complete it as a single component - and PCBs for memory modules.
- It earns money in two main streams.
- One is memory module and package substrates (MCP, SiP and the like) that carry memory such as DRAM and NAND; the other is FC-CSP (flip-chip) substrates that carry system chips like SSD controllers.
- Recently the company has been reshaping its business toward a higher share of high-value substrates made with the fine-circuit MSAP process while cutting cheaper low-margin products, so it earns more profit even selling the same volume.
- In particular, Simmtech is known to supply substrates for SOCAMM - the new memory-module standard for Nvidia's next-generation AI platform - to all three memory makers (Samsung Electronics, SK Hynix and Micron), which places it directly in line to benefit from expanding AI and high-performance memory demand.
- The recent closing price is ₩117,900 and the market cap is ₩4.4 trillion.
- The price sits below its 20-day line (₩126,460) but above its 60-day line (₩108,903).
- Short-term and medium-term trends diverge, so the two horizons should be read separately.
- The RSI (a supplementary gauge that weighs 14-day up-strength against down-strength on a 0-100 scale) is 48.9, a neutral level.
- The one-month change is +7.7%, the three-month change is +103.6%, and the price stands -25.1% from its 52-week high.
- Relative strength versus the KOSDAQ is 97 (1-99, converted from returns against the index over the past year with recent performance weighted more heavily; higher means stronger than the market).
- That places it in roughly the top 2% of all stocks by strength.
- Over the past three months it outperformed the index by 138.0%.
- Chart readings are best viewed alongside trading volume and disclosure dates.
- The current metrics show all the hallmarks of a company just emerging from losses.
- Because 2025 net profit was a ₩164.2 billion loss, the P/E ratio (how many times one year's earnings the price is) cannot be calculated, and the P/B (how many times book net assets the price is) comes out high at 7.67x.
- But that elevated P/B is closer to an optical distortion: the prior losses eroded book equity.
- ROE (how much is earned in a year per unit of equity) is also -28.5%, a loss-period figure.
- The debt ratio (debt relative to equity) is 281.5% and the current ratio (assets readily convertible to cash within a year against debt due within a year) is 91.3%, so financial slack is hard to call generous.
- The key point is that all of these figures mark the bottom reached through last year.
- Since Q1 2026 turned to profit with operating profit of ₩13.7 billion and net profit of ₩14.4 billion, it is more appropriate to judge the company by the earnings path ahead than by the trailing loss-based figures.
- Revenue has recovered gradually: ₩1.04 trillion in 2023, ₩1.23 trillion in 2024 and ₩1.41 trillion in 2025 - three straight years of gains, with a 2025 growth rate of +14.5%.
- Earnings, by contrast, took the full brunt of the memory down-cycle, bottoming out with an operating loss of ₩88.1 billion in 2023, ₩47.0 billion in 2024 and a barely positive ₩11.9 billion in 2025, while net profit stayed in the red from 2023 to 2025.
- The inflection came in Q1 2026: revenue surged +39% year on year to ₩422.4 billion, and with operating profit of ₩13.7 billion and net profit of ₩14.4 billion, in a single quarter the company already exceeded last year's full-year operating profit (₩11.9 billion).
- The path ahead looks like this: its BT-substrate utilization was still in the 70% range in Q1, leaving room to raise volume without further capital spending; higher prices take effect from Q2; and the share of high-value products such as SOCAMM and GDDR7 grows into the second half.
- In other words, volume growth and margin improvement are running together, so the remaining quarters' earnings should trend up rather than stay at the Q1 level (₩14.4 billion).
- For reference, in the prior up-cycle (2021-2022) operating profit reached as high as ₩174.3 billion and ₩352.3 billion, so the current Q1 operating margin of 3.2% still has room to recover on the upside.
- Recent disclosures mix an earnings rebound with capital and shareholder matters.
- On March 26 the company set out its shareholder-value direction through a voluntary corporate-value enhancement plan, and on May 6 its Q1 2026 preliminary results confirmed the return to profit.
- On the same day and again in April it held several investor briefings (IR) to explain the state of its business directly to the market.
- Meanwhile, a June 5 material-event report on a third party's exercise of a call option tied to convertible bonds showed that changes in the capital structure linked to previously issued convertible bonds (CBs) are under way.
- Convertible bonds can dilute existing holders' stakes as they convert into shares, so this is a point to watch alongside the earnings improvement.
- Simmtech is most accurately read as a company whose earnings are turning at the start of a memory and AI-chip package-substrate up-cycle.
- The favorable conditions are clear: the mix shift toward high-value products (MSAP, FC-CSP, SOCAMM, GDDR7) has built a structure that earns more from the same volume; spare utilization lets the company convert price hikes and higher volumes into profit without further investment; and it holds the rare position of supplying SOCAMM substrates to all three memory makers.
- The weaker conditions are just as clear: the balance sheet leaves little slack (debt ratio of 281.5%, current ratio of 91.3%), convertible bonds could dilute the stake as they convert to shares, and above all the stock has tripled in three months, so much of the recovery is already priced in.
- In short, the direction of earnings improvement is real, but the current price already reflects a substantial share of that recovery.
- The stock is strong when the industry (memory and AI demand), pricing and utilization rise as planned, and vulnerable to its valuation showing first when that pace falls short of expectations.
🔎 Valuation vs peers Inconclusive
Compared against domestic peers that make semiconductor package substrates and PCBs - Korea Circuit (package/PCB) and Samsung Electro-Mechanics (a leading components and substrate maker) - though Simmtech is early in an earnings inflection, so its trailing metrics are distorted and its standing must be read with care.
| Peer | P/E | P/B | ROE |
|---|---|---|---|
| Korea Circuit | 35.58x | 3.82x | 10.74% |
| Samsung Electro-Mechanics | 157.93x | 11.69x | 7.40% |
Because Simmtech posted a net loss in 2025, its trailing P/E cannot be derived, and its P/B looks high at 10.24x, but that is an optical distortion from book equity eroded by past losses, so trailing metrics alone cannot pin it as overvalued. The axis of judgment is forward. Following the Q1 return to profit, price hikes, rising utilization and an expanding high-value mix combine so that the remaining quarters' earnings naturally trend above Q1, and reflecting that, the earnings base grows clearly larger. Even so, the current price already reflects a substantial part of that recovery, so on a forward basis the absolute multiple is not low either. That is, the direction of earnings improvement is real, but it is hard to see much valuation appeal remaining - so rather than declaring it undervalued or overvalued, an 'inconclusive' read is appropriate, with the outcome hinging on how fast the industry, pricing and utilization materialize.
Price history Close · MA20 · MA60
The latest close is ₩117,900 and the market capitalization is ₩4.4 trillion. The price sits below its 20-day moving average (₩126,460) and above its 60-day moving average (₩108,903). Short-term and medium-term trends are diverging, so the direction is best read separately. The RSI (a supplementary indicator that gauges the strength of gains versus losses over the past 14 days on a 0-100 scale) is 48.9, a neutral level. The one-month change is +7.7%, the three-month change is +103.6%, and the position relative to the 52-week high is -25.1%. Relative strength versus the KOSDAQ is 97 (on a 1-99 scale, converted from returns against the index over the past year with more weight on recent performance; higher means stronger than the market). It is stronger than roughly 98% of all stocks. Over the past three months it outpaced the index by 138.0%. Chart interpretation is best done alongside trading volume and the dates on which disclosures occur.
Relative performance stock vs index · start = 100
Excess return vs index · 3M +137.99% / 6M +194.81% / 12M +401.28%
Key metrics vs whole-market median
Valuation
A net loss makes the P/E an unreliable valuation gauge. The P/B of 7.67x is above the whole-market median (1.15x).
Enterprise value (EV)
EV = market cap + net debt. It reflects cash and debt, so it captures the real cost of the whole business that market cap alone misses; lower multiples are cheaper relative to earnings or sales.
Profitability & financials
Return on equity (ROE) is -28.5%, below the whole-market average (5.0%). The operating margin is 0.8%. The debt ratio is 281.5%, so the financial structure is somewhat high.
Growth FY2025 · annual report (consolidated)
| Item | 2023 | 2024 | 2025 | YoY |
|---|---|---|---|---|
| Revenue | $690.5M | $816.2M | $934.9M | +14.55% ↓ slower |
| Operating profit | -$58.4M | -$31.1M | $7.9M | — |
| Net profit | -$76.1M | -$20.1M | -$108.8M | — |
| 5-year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $905.2M | $1.1B | $690.5M | $816.2M | $934.9M |
| Operating profit | $115.5M | $233.5M | -$58.4M | -$31.1M | $7.9M |
| Net profit | $77.7M | $162.9M | -$76.1M | -$20.1M | -$108.8M |
| Revenue CAGR | 4-yr avg 0.81% | ||||
Revenue rose 14.5% year over year (2023 ₩1.0 trillion → 2024 ₩1.2 trillion → 2025 ₩1.4 trillion), and the three-year trend is 'rising'. That said, the pace of growth slowed from the prior year. Over the 5 years on record, revenue compound annual growth (CAGR) is 0.8%. The two-year revenue CAGR is 16.4%. In the most recent quarter (Q1 2026), revenue was 39.1% higher than the same period a year earlier.
Latest quarterly results Q1 2026 · vs year-ago
Technical indicators
What stands out
- Revenue grew 14.5% year over year, a sign of growth.
Points to watch
- Debt is somewhat higher than equity (debt ratio 281.5%).
- Assets that can be turned to cash within a year fall short of near-term liabilities (current ratio 91.3%).
- The most recent full year was a loss, so it is worth checking whether profitability recovers.
- The price is high versus peers, so expectations already appear priced in.
Recent news & events searched · sourced
- 2026-05-06EarningsQ1 2026 preliminary results: revenue ₩422.4 billion (+39% YoY), operating profit ₩13.7 billion and net profit ₩14.4 billion - a return to quarterly profit for the first time in three yearsOfficially confirms the exit from the down-cycle and the earnings inflection. A turning point that shifts the focus to forward earnings rather than the trailing loss-based metrics (P/E not derivable, high P/B). Source
- 2026-03-26FilingVoluntary disclosure of a corporate-value enhancement plan - outlining the shareholder-value directionFormalizes the company's value-up intent. A reference point for the medium-term capital policy and shareholder-return direction. Source
- 2026-06-05UpdateMaterial-event report on a third party's exercise of a call option tied to convertible bonds - a capital-structure change linked to previously issued CBs is under wayConversion of convertible bonds into shares increases the share count and dilutes stakes. A capital matter to watch alongside the earnings improvement. Source
- 2026-05-06IRInvestor briefing (IR) held - directly explaining Q1 results and the state of the businessCommunicates the progress of the business - the high-value mix shift, utilization, SOCAMM and more - directly to the market. Source
Figure cross-check computed ↔ external
| Metric | Computed | External | Status | Source |
|---|---|---|---|---|
| Q1 2026 revenue, operating profit and net profit | revenue 4,223.7·operating profit 137.1·net profit 144.5(base quarter) | (2026-05-06) | Confirmed | link |
| 2025 full-year results (revenue and net profit) | revenue 1.41·operating profit 119·net profit -1,642 | 2026 1 (DART) | Confirmed | link |
| 2026 forward net profit (in-house estimate) | net profit approx. 950 | — | Unverified | — |
Recent filings
- 2026-06-05Material-fact report
- 2026-06-01OwnershipOfficers'/major-shareholders' holdings report
- 2026-05-14PeriodicQuarterly report
- 2026-05-06Disclosure
- 2026-05-06EarningsFair-disclosure notice
- 2026-04-30Disclosure
- 2026-04-29Amended filing
- 2026-04-24OwnershipOwnership-change filing
- 2026-04-24OwnershipOfficers'/major-shareholders' holdings report
- 2026-04-15Disclosure
- 2026-04-10OwnershipOfficers'/major-shareholders' holdings report
- 2026-03-26Disclosure
📖 Plain-language glossary — expand if you are new to this
- P/E
- How many times a year's net profit the price is worth (lower is cheaper relative to earnings). The P/E here is on trailing (last full-year) results; for companies whose earnings swing fast (memory chips and other cyclicals/high-growth), a forward P/E on this year's expected earnings is more accurate.
- P/B
- Price relative to net assets (equity). Around 1x means it trades near book value; below 1x means below book.
- P/S
- Price relative to a year's revenue — useful for growth companies with thin earnings.
- Net debt / EV
- Net debt = interest-bearing debt − cash. Negative means more cash than debt (net cash). EV (enterprise value) = market cap + net debt, closer to what it would cost to buy the whole business.
- EV/EBIT · EV/EBITDA · EV/Sales
- Enterprise value against operating profit (EBIT), EBITDA, or revenue. Unlike P/E these reflect debt and cash; lower is cheaper relative to earnings power or sales.
- FCF / FCF yield
- Free cash flow = operating cash − capex, the cash actually left over. FCF yield = FCF ÷ market cap; higher means more cash generated per unit of market value.
- Intrinsic value (DCF)
- Future free cash flow (or, for some capex-heavy but profitable names, forecast earnings) discounted to today to estimate per-share value. Because it shifts a lot with the discount-rate and growth assumptions, it is shown as a bear/base/bull range, and the basis and assumptions are disclosed in one line beneath it.
- ROE
- How much profit the company earns in a year on its equity (%). Higher means better returns on capital.
- EPS / BPS
- Earnings per share / net assets (book value) per share.
- Operating / net margin
- Profit left from the core business / final profit after tax and interest, per unit of revenue.
- Debt ratio
- Debt relative to equity (%). Higher means more reliance on borrowing (norms vary by sector).
- Current ratio
- Assets convertible to cash within a year against debt due within a year. Above 100% leaves some short-term headroom.
- Interest coverage
- How many times operating profit covers the interest owed. Below 1x means operating profit alone struggles to cover interest.
- Dividend yield / payout ratio
- The year's dividend as a % of today's price / the share of earnings paid out as dividends.
- Revenue CAGR
- Multi-year growth expressed as a single yearly average (compound annual growth rate).
- RSI (short-term signal)
- Whether recent price action is overheated or beaten down. Above 70 is overbought, below 30 oversold.
- MA20 / MA60 (moving averages)
- The 20- and 60-day average price. Price above them signals a firmer short-term trend.
- vs 52-week high
- How far below the past year's peak the price sits now (%).
All figures are for reference only; how they read varies by sector and over time.
Sources: Korea FSC market-price API (data.go.kr), OpenDART, KRX/KIND — public data only.
Bong Stocks presents public-data-based information for reference only. It is not investment advice and contains no target prices, ratings, or buy/sell recommendations. Verify independently before making any decision.