PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩0 per share · Prices as of the 2026-10-02 close
EO Technics has seen both revenue and operating margin recover since 2025 as annealing and cutting tools were added to its legacy laser marker base, yet much of that earnings improvement is already embedded in its trading multiples.
In 2025 consolidated revenue reached KRW 380.9bn with operating profit of KRW 80.8bn, lifting the operating margin to 21.2% from the 9% range seen in 2023-2024.
The second quarter of 2026 set a new high within the period shown at KRW 127.8bn in revenue and KRW 39.1bn in operating profit, pushing the quarterly operating margin above 30%.
The revenue mix is shifting rapidly toward semiconductor equipment, with laser annealing, stealth dicing and grooving tied to HBM process flows.
With a 13.1% debt-to-equity ratio and KRW 100.3bn of operating cash flow in 2025 the balance sheet is conservative, though no cash dividend is recorded in the latest confirmed disclosure.
Customer capex cycles and reliance on a few large accounts remain the key swing factors, as shown by the roughly 30% revenue decline between 2022 and 2023.
EO Technics develops laser sources and applied laser equipment in-house, supplying tools to the semiconductor, display, PCB and secondary battery industries.
According to the FnGuide company profile, the firm was founded in 1989, listed on KOSDAQ in 2000, and holds roughly 95% domestic and about 60% overseas share in semiconductor laser markers. Its product family spans markers, annealing, grooving, stealth dicing, drilling, trimming and cutting systems.
Markers have long served as the stable cash generator, while the growth engine has shifted toward front-end laser annealing and back-end cutting and grooving tools.
DigitalToday reported that as HBM back-end wafers have thinned toward the 60-micrometre range, blade-based dicing defects have become a bigger issue, which the company addresses with laser-only stealth dicing.
The customer base is understood to be concentrated in large domestic memory and foundry makers; Korea Economic TV reported in November 2025 that the company is understood to be the effectively sole supplier of DRAM laser annealing tools to Samsung Electronics.
In cutting equipment, Japan's Disco has traditionally led the market and domestic back-end tool makers partly overlap, so sustaining a technology edge is central to competition.
On mix, the semiconductor equipment share keeps expanding: PointDaily, citing an iM Securities outlook in September 2025, referenced a rise from 39% in FY24 to 65% in FY25 and 68% in FY26 (a forecast, not confirmed results). PCB, display and battery tools are smaller but partially cushion semiconductor cycle swings.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩94.3B | ₩25.8B | 27.4% |
| 2025Q3 | ₩100.5B | ₩26B | 25.9% |
| 2025Q4 | ₩101.3B | ₩14.4B | 14.3% |
| 2026Q1 | ₩115.1B | ₩29.8B | 25.9% |
| 2026Q2 | ₩127.8B | ₩39.1B | 30.6% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩447.2B | ₩92.8B | ₩76.5B | 20.8% | 14.4% | 14.2% |
| 2023 | ₩316.4B | ₩28.3B | ₩36.6B | 9.0% | 6.6% | 8.8% |
| 2024 | ₩320.9B | ₩31.2B | ₩42.8B | 9.7% | 7.2% | 8.3% |
| 2025 | ₩380.9B | ₩80.8B | ₩57.2B | 21.2% | 8.3% | 13.1% |
Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-09-04
Earnings have followed a clear cycle. From KRW 447.2bn revenue and KRW 92.8bn operating profit (20.8% margin) in 2022, results fell sharply to KRW 316.4bn and KRW 28.3bn (9.0%) in 2023, and stayed subdued at KRW 320.9bn and KRW 31.2bn (9.7%) in 2024.
In 2025, revenue of KRW 380.9bn and operating profit of KRW 80.8bn restored the margin to 21.2%, close to 2022 profitability, with net profit attributable to owners of KRW 57.2bn. The quarterly path illustrates the strength of the recovery more clearly.
Revenue rose for five straight quarters: KRW 94.3bn in 2Q25, KRW 100.5bn in 3Q25, KRW 101.3bn in 4Q25, KRW 115.1bn in 1Q26 and KRW 127.8bn in 2Q26.
Operating profit moved from KRW 25.8bn to KRW 26.0bn, KRW 14.4bn, KRW 29.8bn and KRW 39.1bn over the same span, with the margin compressed to the mid-14% area in 4Q25 before exceeding 30% in 2Q26.
In 2Q25, owners' net profit was only KRW 2.5bn despite KRW 25.8bn of operating profit, a wide gap that narrowed in subsequent quarters as net profit converged toward operating profit. Cash generation also improved, with 2025 operating cash flow of KRW 100.3bn versus KRW 55.4bn in 2024.
The balance sheet is conservative, with year-end 2025 equity of KRW 687.9bn, liabilities of KRW 89.9bn and a 13.1% debt-to-equity ratio; non-controlling interests of KRW 5.8bn at end-2024 were reduced to zero by end-2025, leaving all equity attributable to owners.
The end market is in an expansion phase driven by AI server and HBM demand. A Gartner forecast cited in Korean media in August 2026 projected global memory revenue of USD 837.3bn this year, or 53.8% of the total semiconductor market, surpassing non-memory for the first time.
The same coverage noted that Samsung Electronics and SK hynix together held 65% of global DRAM revenue and 79% of HBM in the second quarter of 2026, underscoring how much equipment vendors depend on the two Korean makers' investment decisions.
EO Technics is exposed to both axes of the cycle, offering front-end annealing as well as back-end grooving and dicing as memory scales down and stacks higher. Laser annealing enables localised heating, and coverage suggests adoption discussions widen as conventional thermal processing hits limits at finer nodes.
In cutting and grooving, Japan's Disco has long led the market, while Korea Economic TV in November 2025 conveyed the view that EO Technics has moved ahead in this niche.
Equipment orders, however, are recognised on schedules tied to customer fab expansion and conversion, so quarterly amplitude remains high regardless of the broader trend.
Because the domestic back-end and equipment value chain shares the same cycle, relative standing hinges on technical barriers and share within each customer.
The company does not publish numerical guidance, so the trajectory must be gauged from customer investment schedules and the ramp of newer tools. On confirmed results alone, first-half 2026 revenue (KRW 115.1bn plus KRW 127.8bn) exceeded second-half 2025 (KRW 100.5bn plus KRW 101.3bn), with margins improving alongside.
Korea Economic TV, citing Heungkuk Securities in November 2025, conveyed the view that Samsung Electronics' Pyeongtaek P5 will house DRAM, NAND and foundry lines and should therefore require the company's markers and annealing tools, though the actual timing and size of orders remain to be confirmed.
The same report said the company is understood to be supplying femtosecond grooving tools for HBM3E and HBM4 to Samsung Electronics. On mix, room for margin improvement remains as higher-price, higher-margin annealing and cutting tools take a larger share versus markers.
Conversely, quarters like 4Q25, where revenue grew yet margin was squeezed by cost and mix factors, can recur. Broadening overseas customers and winning new foundry and back-end applications are the keys to reducing cycle dependence, and both will be visible in future quarterly filings and disclosures.
Over the latest four quarters (3Q25 to 2Q26), revenue totalled KRW 444.7bn and operating profit KRW 109.3bn, already above the full-year 2022 peak.
Because profit recovered quickly, earnings-based multiples have compressed relative to the weak 2023-2024 period, yet they still sit above the domestic semiconductor equipment sector average and above the upper end of the company's own historical trading band.
The premium to net assets is also wide, which can be read as the market already pricing in a good deal of the HBM4 transition and new-tool adoption story. On dividends, the latest confirmed disclosure shows no cash dividend per share, so the dividend yield contribution is effectively absent.
As a result, the current multiple is tied less to the absolute level of profit than to expectations about its durability and growth rate, and the implications differ sharply between a reversion like 4Q25 and a sustained 2Q26-type margin. The reference points for judgement will be actual quarterly order flow and the margin trend.
PER, EPS, PBR and BPS are all calculated in-house (the same method as Naver and Toss) · Dividend yield = cash dividend per share from DART filings (supplemented by KRX) ÷ current price · As of 2026-09-04
The operating margin rose from the 9% range in 2023-2024 to 21.2% in 2025 and above 30% in 2Q26. Profit grew far faster than revenue, suggesting fixed-cost leverage worked alongside a rising share of higher-value products. If annealing and cutting tools take a larger share still, further margin improvement headroom remains.
Laser annealing supports front-end DRAM yield management, while stealth dicing and grooving handle the cutting of increasingly thin HBM wafers. Korea Economic TV reported in November 2025 that the company is understood to be the effectively sole supplier of DRAM annealing tools to Samsung Electronics. As stack counts rise and wafers thin further, the addressable scope for laser processing tends to widen.
At end-2025, liabilities of KRW 89.9bn against equity of KRW 687.9bn left a debt-to-equity ratio of just 13.1%. Operating cash flow reached KRW 100.3bn in 2025, well above KRW 55.4bn a year earlier. Even in a downcycle, the company has relatively wide capacity to fund R&D and capacity investment from internal cash.
Revenue fell about 29% from KRW 447.2bn in 2022 to KRW 316.4bn in 2023. Equipment sales are recognised on customer fab expansion and conversion schedules, so order delays can swing quarterly results sharply. The same pattern could repeat if memory prices or the intensity of AI investment turns down.
In 4Q25, revenue rose to KRW 101.3bn versus the prior quarter, yet operating profit fell to KRW 14.4bn, compressing the margin into the mid-14% range. In 2Q25, owners' net profit was only KRW 2.5bn despite KRW 25.8bn of operating profit. This makes it hard to treat any single quarter's high margin as a normalised run rate.
Despite the profit recovery, both earnings-based and net-asset-based multiples sit above the sector average and above the upper end of the company's own historical band. With no cash dividend per share in the latest confirmed disclosure, there is no dividend cushion against share price swings. If the growth scenario slips, multiple adjustment could exceed the swing in reported earnings.
Exposure to a few large domestic memory and foundry customers means changes in one customer's investment plan feed straight into results. If orders for new lines such as Pyeongtaek P5 slip, revenue recognition slips with them. High share within a customer amplifies both upside and downside.
In cutting and grooving, competition continues with established players such as Japan's Disco. If non-laser alternatives gain an edge on yield or cost, the pace of adoption could slow. New tools must clear customer qualification before converting into revenue, so schedule slippage is always possible.
Semiconductor equipment carries export exposure and overseas customers, making it sensitive to currency moves and trade or export-control policy. Shifts in market views on AI investment intensity move flows and multiples across the equipment sector as a whole. As a KOSDAQ mid-cap growth name, index and flow-driven volatility is an additional factor.
Third-quarter 2026 results and the quarterly filing. The key checks are whether the 30%-plus operating margin from 2Q holds and whether the sequential revenue growth streak continues.
Whether equipment orders tied to Samsung Electronics' Pyeongtaek P5 and other new lines materialise. Watch for single supply contract disclosures or customer capex announcements to confirm actual bookings.
Quarterly results and 2027 capex plans from Samsung Electronics and SK hynix. Customer investment scale and the HBM4 mass-production schedule act as leading indicators for equipment orders.
Confirmed full-year 2026 results, the dividend decision and the annual business report. These will show how the semiconductor equipment revenue share and the segment and regional mix actually changed.
Disclosures and reporting on new-tool qualification wins and overseas customer expansion. Progress in reducing reliance on a single domestic customer will determine cycle sensitivity.
EO Technics has reshaped its business by layering semiconductor process tools such as annealing, grooving and stealth dicing onto a stable laser marker base.
After a weak 2023-2024 stretch with operating margins in the 9% range, results recovered to KRW 380.9bn revenue and KRW 80.8bn operating profit (21.2% margin) in 2025, and 2Q26 set a high within the disclosed data at KRW 127.8bn revenue and KRW 39.1bn operating profit.
Summed over the latest four quarters, revenue of KRW 444.7bn and operating profit of KRW 109.3bn already exceed the 2022 annual peak. The balance sheet is conservative at a 13.1% debt-to-equity ratio and 2025 operating cash flow improved to KRW 100.3bn, though the latest confirmed disclosure shows no cash dividend.
On the other hand, earnings-based and net-asset-based multiples sit above the sector average and the upper end of the company's own historical band, implying that the HBM4 transition and new-tool adoption path is already substantially reflected in the price.
The roughly 29% revenue decline from 2022 to 2023 and the margin give-back in 4Q25 both show that results still hinge heavily on customer investment cycles.
What matters next is margin durability from the third quarter onward, whether new orders including Pyeongtaek P5 are actually confirmed, and progress in broadening overseas and non-memory customers. This report is for information purposes only and contains no buy or sell opinion or target price.
Report written 2026-09-05 · Data as of 2026-09-04
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