EO Technics makes laser-based semiconductor and display production equipment, with about 80% of revenue coming from laser tools. Its mainstays are marking machines that etch information onto chip surfaces (roughly 95% domestic and 60% global share, number one in the market), annealing machines that bring out semiconductor properties, and grooving machines that cut grooves before chips are singulated. A March 16, 2026 disclosure confirmed that 2025 operating profit surged +159% year on year and set a cash and in-kind dividend (2025 payout ratio of 25.8%, total dividends of about ₩14.8 billion), and the May 15 quarterly report reconfirmed the earnings recovery as Q1 net profit more than doubled. Two things stand out lately: its number-one position in marking, together with new tools such as annealing and grooving, meshes with DRAM, HBM and NAND investment to produce strong earnings leverage, and while the multiples on last year's confirmed results ease considerably when measured against this year's earnings, revenue swings heavily with the investment timing of a few large customers such as Samsung Electronics, so results can vary widely if that investment is delayed.
At-a-glance assessment financial health · growth · profitability · valuation
- Debt ratio, current ratio and interest burden all look healthy.
- Revenue rose 18.7% year over year, and the pace is quickening (3-year trend: rising).
- Most recent quarter (Q1 2026) revenue was 35.7% higher than a year earlier.
- ROE is 8.3% (controlling-interest basis). It is below the sector average.
- Operating margin is 21.2%.
- P/B is low versus peers too, so it looks cheap on an asset basis as well.
Ownership & governance As of 2025-12-31
Largest shareholder Sung Kyu-dong 28.35% (individual)
Controlling bloc incl. related parties 31.07%
With the controlling bloc holding 31%, the ownership structure is stable.
🔎 In-depth analysis
- EO Technics makes laser-based semiconductor and display production equipment.
- About 80% of revenue comes from laser tools, split into three main lines.
- First, laser marking machines that etch product information onto chip surfaces, where it is the market leader with roughly 95% domestic and 60% global share.
- Second, laser annealing machines that apply short, intense heat locally to a wafer to bring out semiconductor properties, supplied for Samsung Electronics' latest DRAM (1c-nano) and next-generation NAND lines.
- Third, grooving (cutting) machines that cut grooves before chips are singulated, shipping to HBM (high-bandwidth memory) and back-end outsourcing houses (OSATs).
- In short, the more chips shrink and the higher layers are stacked, the more demand rises for laser-based methods, so recent expansion in semiconductor equipment investment feeds straight into this company's revenue.
- The recent closing price is ₩342,500 and the market cap is ₩4.2 trillion.
- The price sits below both its 20-day line (₩458,925) and its 60-day line (₩473,067).
- It trades below both its short- and medium-term moving averages, so the trend is on the subdued side.
- The RSI (a supplementary gauge that weighs 14-day up-strength against down-strength on a 0-100 scale) is 35.5, a neutral level.
- The one-month change is -21.8%, the three-month change is -16.9%, and the price stands -44.0% from its 52-week high.
- Relative strength versus the KOSDAQ is 85 (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 14% of all stocks by strength.
- Over the past three months it outperformed the index by 6.4%.
- Chart readings are best viewed alongside trading volume and disclosure dates.
- On the surface the P/E ratio (how many times one year's earnings the price is) looks high at about 94x, but the important point is that this is based on last year's confirmed figure, when earnings were low.
- For a company whose earnings are rising fast, a P/E calculated on past earnings looks inflated relative to reality.
- Considering that Q1 2026 net profit (₩31.2 billion) already exceeds half of full-year 2025 net profit (₩57.2 billion), the multiple measured on this year's basis is much lower.
- Profitability is good for the equipment sector, with an operating margin of 21.2% and a net margin of 15.0%, and ROE (how much is earned in a year per unit of equity) is 8.3%.
- The balance sheet is stable with ample cash - a debt ratio (debt to equity) of 113% and a current ratio of 622%.
- The P/B (how many times net assets the price is) is 6.13x, on the high side against assets.
- Over five years, revenue tracked the semiconductor cycle - ₩390.9 billion in 2021, ₩447.2 billion in 2022, ₩316.3 billion in 2023, ₩320.9 billion in 2024 and ₩380.9 billion in 2025 - entering a recovery phase again in 2025.
- The pace of the earnings recovery is especially steep.
- 2025 operating profit reached ₩80.8 billion, up +159% from the prior year (₩31.2 billion), and net profit rose +34% to ₩57.2 billion.
- The recovery accelerated into 2026: Q1 revenue of ₩115.1 billion (+35.7% YoY), operating profit of ₩29.8 billion (+105.8%) and net profit of ₩31.2 billion (+115.8%) all jumped sharply year on year.
- The basis for growth is clear: annealing-tool adoption is rising for Samsung Electronics' latest DRAM (1c) and 400-plus-layer NAND investment, and grooving-tool shipments for HBM4 and OSATs are getting into full swing.
- Reflecting this demand and capacity expansion, this year's earnings should settle clearly above last year's.
- So even though the multiples calculated on last year's confirmed earnings look high, the key point for this stock is that they fall considerably when measured against this year's expected earnings.
- On March 16, 2026 a disclosure of a 30%-plus change in revenue/profit structure confirmed the surge in 2025 earnings (operating profit +159% YoY), and on the same day the company set a cash and in-kind dividend.
- On April 1, through a voluntary corporate-value enhancement plan, it laid out a shareholder-return direction of raising the payout ratio on consolidated net profit to a high-dividend level within distributable-profit limits (2025 payout ratio of 25.8%, total dividends of about ₩14.8 billion).
- On May 15 it filed a quarterly report showing Q1 net profit more than doubling, reconfirming the earnings-recovery trend.
- The whole flow of disclosures runs consistently as 'confirmed earnings recovery to strengthened shareholder returns to confirmed continuation of the recovery.'
- The strengths are clear.
- It holds the number-one position at home and abroad in laser marking, and new tools such as annealing and grooving are in an earnings-inflection phase where they translate into actual revenue as they mesh with DRAM, HBM and NAND investment.
- The balance sheet is also stable with ample cash.
- The caution is that revenue swings heavily with the investment timing of a few large customers such as Samsung Electronics, giving quarter-to-quarter volatility, and that revenue over the past five years has moved up and down with the cycle.
- So if customers' semiconductor investment continues as planned, earnings leverage shows strongly, but if investment is delayed or the cycle slows, results can swing widely.
- Judged on the multiples on last year's confirmed results alone it looks expensive, but that burden eases considerably on this year's earnings basis - a point to weigh alongside.
🔎 Valuation vs peers Fairly valued
Among domestic semiconductor and precision equipment and materials companies, stocks with a comparable business profile.
| Peer | P/E | P/B | ROE |
|---|---|---|---|
| Park Systems | 58.60x | 8.97x | 15.31% |
| SK Hynix | 36.30x | 12.93x | 35.61% |
| Innox Advanced Materials | 7.37x | 1.09x | 14.75% |
Judged on the P/E on last year's confirmed earnings (about 94x) alone it looks expensive, but this figure reflects a confirmed value from a period of low earnings, so in the current phase of surging earnings it looks inflated relative to reality. Q1 2026 net profit already exceeds half of last year's full-year figure, and annealing- and grooving-tool shipments are getting into full swing, so measured against this year's expected earnings the multiple falls sharply. This forward multiple is lower than the confirmed-basis multiple of a leading domestic semiconductor-equipment name (Park Systems) and comes down to a level similar to that of its customer SK Hynix. A growth premium is attached, but since it is backed by actual earnings growth it is hard to see as excessively overvalued, and taking together the volatility of results being driven by the semiconductor investment cycle, the current level is judged to be within a fair range.
Price history Close · MA20 · MA60
The latest close is ₩342,500 and the market capitalization is ₩4.2 trillion. The price sits below its 20-day moving average (₩458,925) and below its 60-day moving average (₩473,067). It is under both its short- and medium-term moving averages, so the trend looks subdued. The RSI (a supplementary indicator that gauges the strength of gains versus losses over the past 14 days on a 0-100 scale) is 35.5, a neutral level. The one-month change is -21.8%, the three-month change is -16.9%, and the position relative to the 52-week high is -44.0%. Relative strength versus the KOSDAQ is 85 (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 86% of all stocks. Over the past three months it outpaced the index by 6.4%. 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 +6.36% / 6M +28.66% / 12M +81.16%
Key metrics vs sector median
Valuation
The P/E of 73.75x is above the sector median (61.28x). The P/B of 6.13x is below the sector median (8.18x). That said, this P/E is based on last year's (trailing) results. With recent quarterly earnings up sharply, the trailing P/E can look higher than it really is, so a precise read is best done on this year's expected (forward) earnings.
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.
Intrinsic value (DCF estimate)
DCF (discounted cash flow) estimate — discount rate 11.0%, initial growth 10.0%→terminal 2.0%, 10-yr forecast, free-cash-flow basis, forward earnings power normalized 2.183x. A reference range that shifts materially with assumptions.
Profitability & financials
Return on equity (ROE) is 8.3%, below the sector average (15.0%). The operating margin is 21.2%. The debt ratio is 113.1%, so the financial structure is moderate.
Growth FY2025 · annual report (consolidated)
| Item | 2023 | 2024 | 2025 | YoY |
|---|---|---|---|---|
| Revenue | $209.7M | $212.7M | $252.4M | +18.68% ↑ faster |
| Operating profit | $20.5M | $20.7M | $53.5M | +158.82% ↑ faster |
| Net profit | $24.3M | $28.4M | $37.9M | +33.54% ↑ faster |
| 5-year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $259.1M | $296.4M | $209.7M | $212.7M | $252.4M |
| Operating profit | $51.8M | $61.5M | $20.5M | $20.7M | $53.5M |
| Net profit | $47.6M | $50.7M | $24.3M | $28.4M | $37.9M |
| Revenue CAGR | 4-yr avg -0.64% | ||||
Revenue rose 18.7% year over year (2023 ₩316.3 billion → 2024 ₩320.9 billion → 2025 ₩380.9 billion), and the three-year trend is 'rising'. The pace of growth also quickened from the prior year. Operating profit rose 158.8% year over year. Profit is growing at an accelerating pace. Over the 5 years on record, revenue compound annual growth (CAGR) is -0.6%. The two-year revenue CAGR is 9.7%. In the most recent quarter (Q1 2026), revenue was 35.7% higher than the same period a year earlier.
Latest quarterly results Q1 2026 · vs year-ago
Technical indicators
What stands out
- P/E and P/B are both low versus peers, so the price looks inexpensive relative to earnings and assets.
- Revenue grew 18.7% year over year, a sign of growth.
- The balance sheet is stable in terms of debt and liquidity.
Points to watch
- The figures shown are based on the last annual report as of the writing date, so it is best to review the latest quarterly results and filings alongside them.
Recent news & events searched · sourced
- 2026-03-16EarningsDisclosure of a 30%-plus change in revenue or profit structure. Confirmed the surge in earnings, with 2025 operating profit up about 159% year on year (₩80.8 billion).Confirms the earnings-recovery phase. Underpins improvement in equipment-segment utilization and profitability. Source
- 2026-03-16DividendCash and in-kind dividend decided. Set the FY2025 dividend (total dividends of about ₩14.8 billion, payout ratio of 25.8%).Links the earnings recovery to shareholder returns. Lays the basis for the dividend. Source
- 2026-04-01IRCorporate-value enhancement plan (voluntary disclosure). Sets a direction of raising the payout ratio on consolidated net profit to a high-dividend level within distributable-profit limits and sustaining a stable dividend policy.A medium-term direction of strengthened shareholder returns. Room for total dividends to grow alongside earnings expansion. Source
- 2026-05-15EarningsQ1 2026 quarterly report filed. Revenue ₩115.1 billion (+35.7%), operating profit ₩29.8 billion (+105.8%) and net profit ₩31.2 billion (+115.8%), sharply higher year on year.Confirms the acceleration of the earnings recovery. Grounds for this year's earnings to far exceed last year's. Source
Figure cross-check computed ↔ external
Recent filings
- 2026-05-15PeriodicQuarterly report
- 2026-04-01OwnershipOwnership-change filing
- 2026-04-01Disclosure
- 2026-03-31Disclosure
- 2026-03-31Shareholders' meeting notice
- 2026-03-23Audit report
- 2026-03-23PeriodicAnnual business report
- 2026-03-16Shareholders' meeting notice
- 2026-03-16Shareholders' meeting notice
- 2026-03-16DividendCash/stock dividend decision
- 2026-03-16EarningsEarnings filing
- 2026-03-03OwnershipOwnership-change filing
📖 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.