KOSDAQMachinery389500

Sbb Tech

₩44,400▲ 5.21%2026-10-02 close

Market Cap

₩295.5B

Turnover

₩4.7B

Volume

110,000 shares

Shares out.

6.7M

PER

—

PBR

—

EPS

-₩2,712

Dividend Yield

0.00%

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

Report overview

Reducer Localization Leader Nears Mass-Production Inflection

SBB Tech, which started with localized bearings and expanded into harmonic reducers and actuators, is winning more orders from robotics, defense and automotive-group customers, but its annual and quarterly results remain in an early growth phase marked by continued losses and cash burn.

1
2025 consolidated revenue rose year over year to KRW 7.199 billion, but the operating loss widened to KRW 6.863 billion and the net loss attributable to owners expanded to KRW 9.454 billion.
2
Second-quarter 2026 revenue jumped to KRW 2.704 billion from KRW 1.772 billion in the prior quarter, but the operating loss also widened to KRW 2.952 billion.
3
Hyundai Motor Group Robotics Lab's MobED mobility platform and defense remote controlled weapon station (RCWS) projects are cited as the key drivers of 2026 revenue expansion.
4
The company is pursuing partnerships and M&A to secure motor and electronics technology in order to expand its actuator business combining reducers, motors and controllers.
5
Ongoing capital-structure changes include the conversion of a KRW 10 billion convertible bond held by controlling shareholder KPF into common shares.

Business structure

Founded in 2000 and listed on KOSDAQ in 2022 under the technology special-listing track, SBB Tech is a precision drive-component specialist.

After localizing ceramic ball bearings for the first time in Korea, it developed a harmonic reducer with proprietary technology in 2013 and commercialized it as 'ROBO Drive,' expanding from bearing localization into fully modularized reducer products.

Its product lineup spans ultra-thin robo bearings and hybrid bearings, harmonic- and planetary-type reducers, and integrated drive modules (actuators) that combine reducers with motors and controllers; the company describes its reducer as a core component enabling precise robotic joint control across semiconductor, display, defense and service/transport robot applications.

Key customers include industrial, collaborative and service robot makers such as Tirobotics and Robostar, along with defense companies including Hanwha Aerospace, Hanwha Systems and LIG Nex1, and the company has more recently entered the supply chain for Hyundai Motor Group Robotics Lab's small mobility platform MobED.

The revenue mix is shifting quickly, with reducer sales expected to rise from about 20.4% of revenue in 2025 to roughly 40%, moving the business away from a semiconductor-bearing center of gravity toward robot reducers and actuators.

The global harmonic reducer market has long been dominated by Japanese suppliers, most notably Harmonic Drive Systems (HDS), which controls more than 70% of the global market, while SBB Tech is regarded domestically as the localization leader.

On pricing, SBB Tech reportedly supplies reducers at roughly 60-80% of HDS's price levels. To build out an integrated drive-module business combining reducers, motors and control components, the company is also pursuing partnerships and M&A to secure motor and robotic electronics technology.

Earnings trend

Quarterly revenue · Operating profit

₩1.8B-₩1.9B25Q2₩2B-₩2.1B25Q3₩2.2B-₩900M25Q4₩1.8B-₩1.8B26Q1₩2.7B-₩3B26Q2

RevenueOperating profit

Annual revenue · Operating profit

₩7.5B-₩1.8B2022₩5.1B-₩5.6B2023₩5.5B-₩6.9B2024₩7.2B-₩6.9B2025

RevenueOperating profit

Quarterly results · Last 5 quarters
Quarter	Revenue	Operating profit	Op. margin
2025Q2	₩1.8B	-₩1.9B	−104.7%
2025Q3	₩2B	-₩2.1B	−106.4%
2025Q4	₩2.2B	-₩900M	−41.5%
2026Q1	₩1.8B	-₩1.8B	−104.3%
2026Q2	₩2.7B	-₩3B	−109.2%

Annual results
Year	Revenue	Operating profit	Net income (parent)	Op. margin	ROE	Debt-to-equity
2022	₩7.5B	-₩1.8B	-₩5.3B	−24.6%	−23.9%	39.4%
2023	₩5.1B	-₩5.6B	-₩11B	−108.5%	−94.9%	369.7%
2024	₩5.5B	-₩6.9B	-₩900M	−126.1%	−7.4%	138.0%
2025	₩7.2B	-₩6.9B	-₩9.5B	−95.3%	−75.6%	157.8%

Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-08-21

Earnings analysis

On an annual basis, revenue declined from KRW 7.470 billion in 2022 to KRW 5.134 billion in 2023 and KRW 5.466 billion in 2024 before rebounding to KRW 7.199 billion in 2025, while the operating loss widened from KRW 1.837 billion in 2022 to KRW 5.572 billion in 2023 and KRW 6.893 billion in 2024, remaining at a similar KRW 6.863 billion in 2025.

The operating margin deteriorated from -24.6% in 2022 to -108.5% in 2023 and -126.1% in 2024 before improving slightly to -95.3% in 2025, still reflecting losses far exceeding revenue.

More notably, the net loss attributable to owners widened from KRW 5.266 billion in 2022 to KRW 11.013 billion in 2023, narrowed sharply to KRW 0.897 billion in 2024, then expanded again to KRW 9.454 billion in 2025, repeatedly exceeding the operating loss in size.

This pattern suggests that non-operating items have had a substantial and volatile effect on bottom-line results from year to year.

On a quarterly basis, revenue rose from KRW 1.840 billion in the second quarter of 2025 to KRW 2.010 billion in the third quarter and KRW 2.171 billion in the fourth quarter, dipped to KRW 1.772 billion in the first quarter of 2026, then jumped again to KRW 2.704 billion in the second quarter of 2026.

The operating loss narrowed to KRW 0.901 billion in the fourth quarter of 2025 before widening again to KRW 1.849 billion in the first quarter of 2026 and KRW 2.952 billion in the second quarter, while the net loss spiked to KRW 8.806 billion in the first quarter of 2026 before easing to KRW 3.228 billion in the second quarter.

This large quarter-to-quarter swing in net losses, separate from the revenue growth trend, indicates that non-operating items have had a meaningful impact on reported results.

On the balance sheet, equity fell sharply from KRW 22.068 billion in 2022 to KRW 11.610 billion in 2023, then recovered modestly to KRW 12.143 billion in 2024 and KRW 12.504 billion in 2025, while the debt ratio spiked from 39.4% in 2022 to 369.7% in 2023 before easing to 138.0% in 2024 and 157.8% in 2025.

Operating cash flow has been negative every year, with the outflow deepening from KRW 2.163 billion in 2022 to KRW 3.154 billion in 2023, KRW 4.079 billion in 2024 and KRW 7.068 billion in 2025, indicating an accelerating pace of cash consumption.

Industry analysis

The precision reducer market is being driven by two forces: expanding global demand for industrial, collaborative and service robots, and the more recent rise of humanoid robots.

Citing data from industry researcher Omdia, one brokerage report noted that mass production of Boston Dynamics' Atlas and Tesla's Optimus is ramping up from 2026, with global humanoid shipments projected to grow steeply from roughly 3,000 units in 2026 to 60,000 units by 2028 and about 3 million units by 2035.

The reducer market has nonetheless remained an oligopoly for a long time, and Japanese, Chinese and Korean manufacturers only began entering the competition in earnest after core patents expired in the 2010s.

SBB Tech is regarded as the only domestic company holding full-cycle reducer technology from tooth-profile design through forging and performance evaluation, and it positions itself against global incumbents on price and delivery speed.

Despite proactive capacity investment in the past—capacity was expanded from about 12,000 units in 2021 and 20,000 units in 2022 to 50,000 units in 2023—the company also experienced a period when utilization fell below 10% amid an economic slowdown and reduced automation capex following interest-rate hikes, underscoring the structural gap between installed capacity and actual utilization in this industry.

The semiconductor and display automation equipment bearing business, which tracks the semiconductor capex cycle, is viewed as a relatively stable cash-flow source compared with the robotics segment.

The push by domestic automakers and defense conglomerates to develop their own robotics and mobility platforms is also seen as a favorable industry backdrop, as it is increasing demand for localized components.

Outlook

Brokerage forecasts for the company's near-term earnings path diverge somewhat.

In a March 2026 report, Daol Investment & Securities analyst Oh Jeong-ha estimated 2026 revenue of KRW 10.5 billion (up 46.1% year over year) and an operating loss of KRW 0.9 billion, stating that a profit turnaround is expected in 2027 as steady bearing-business results from the semiconductor upcycle are supplemented by reducer sales.

The same report explained that revenue from the defense remote controlled weapon station (RCWS) project is scheduled to be recognized starting in 2026, with the project—applied to K9 tank platforms using four reducers per unit—expected to generate roughly KRW 3 billion in annual recognition per project.

More recently, the timing of a new defense project has become more concrete, with the company stating it is pushing to begin mass production of a new RCWS project in September within its existing reducer business.

In the mobility segment, Hyundai Motor Group's MobED platform is expected to produce about 1,000 units in 2026, with supply for a follow-on mobility platform also planned, leaving room for additional automotive-group-linked revenue.

Mirae Asset Securities said in a recent report that it expects SBB Tech's 2026 revenue at KRW 11.9 billion and operating loss at KRW 5.0 billion, with an operating profit turnaround expected in 2028 driven by a rising reducer/actuator revenue mix and higher utilization.

On the product roadmap, the company is developing an ultra-compact planetary gear reducer for hands and grippers, targeting completion by the end of December 2026, which analysts note could be an additional value driver if it leads to actual orders.

IBK Investment & Securities initiated coverage in a July 2026 report with a buy rating and a 12-month target price of KRW 75,000, citing expected growth in precision reducer sales.

Separately, motor and electronics M&A aimed at expanding the actuator business is still in process, with completion status and timing not yet confirmed.

Valuation

PER

—

PBR

—

ROE

-117.2%

EPS

-₩2,712

BPS

—

Dividend per share

₩0

Because SBB Tech has posted a net loss attributable to owners for multiple consecutive years, earnings-based multiples such as the price-to-earnings ratio are not meaningfully calculable at this stage.

By contrast, the price relative to net asset value trades at a multiple well above the KOSDAQ machinery and equipment sector average, suggesting the market is pricing in expectations for future growth well beyond the company's current book value.

The company has no dividend payment history, limiting any yield-based appeal.

Looking at the trading-multiple history over recent years, the valuation band has swung widely on robotics- and humanoid-related expectations even during periods of continued losses, meaning the multiple could move again depending on future earnings releases or order news.

Ultimately, the valuation of this stock hinges less on current financial performance than on the pace at which the reducer and actuator business converts into revenue and improves profitability.

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 2026-08-21

Bull factors

Proprietary Localized Precision Reducer Technology

SBB Tech is viewed as the only domestic company with full-cycle reducer technology, from tooth-profile design through forging and performance evaluation.

It competes against Japan's long-dominant HDS on price, at roughly 60-80% of HDS levels, and faster delivery, and has already built a reference base in defense and collaborative robotics. Given strong localization demand in the robotics industry, this technology edge is seen as an advantage in winning new customers.

Expanding Automotive and Defense Captive Demand

Captive-style demand is becoming more concrete, including Hyundai Motor Group Robotics Lab's MobED platform and follow-on mobility projects, as well as the defense RCWS project. Because these projects have set mass-production schedules, they could improve visibility on future revenue recognition.

The sharp quarter-over-quarter revenue increase in the second quarter of 2026 is interpreted as partly reflecting this order flow.

Potential Entry Into the Humanoid Value Chain

With global humanoid robot shipments projected to grow steeply from 2026, SBB Tech is pursuing drivetrain supply based on its integrated reducer-bearing technology.

Development of an ultra-compact planetary gear reducer for hands and grippers is targeted for completion by the end of 2026, and successful commercialization could lead to higher-value-added orders.

This remains at the development and validation stage, however, and whether it converts into large-scale orders still needs to be confirmed.

Bear factors

Persistent Large Losses and Cash Burn

Operating losses have run at multiples of revenue every year since 2022, and operating cash flow widened to negative KRW 7.068 billion in 2025. Net losses attributable to owners have repeatedly exceeded the operating loss, underscoring significant volatility in non-operating items. Additional funding needs could arise before revenue from new projects is fully reflected.

Timing Gap Between Orders and Revenue Recognition

There has reportedly been a gap between reducer order backlogs and actual revenue recognition, tied to customers' mass-production schedules.

Given a past period when utilization fell below 10% despite proactive capacity expansion, earnings improvement could be delayed if new projects do not transition to mass production as planned. The large quarter-to-quarter revenue volatility is not unrelated to this structure.

Capital Structure Changes and Potential Share Dilution

The debt ratio spiked to 369.7% in 2023 and has since eased but still remains above 100%, and a KRW 10 billion convertible bond held by controlling shareholder KPF was recently converted into common shares.

If additional convertible bonds or rights offerings are used to fund growth, existing shareholders could face dilution concerns. The year-to-year volatility in financial soundness indicators also warrants attention.

Risk factors

Customer Concentration and Mass-Production Schedule Risk

A significant part of revenue growth depends on a small number of customers and programs, such as specific Hyundai Motor Group platforms and defense projects. If mass-production schedules for these projects are delayed or volumes are adjusted, revenue visibility could weaken.

The semiconductor bearing business is also tied to the semiconductor capex cycle, so a downturn could weaken its role as a cash-flow source.

Intensifying Competition Risk

Since core patents expired, numerous reducer manufacturers, including Japanese and Chinese players, have entered the market, raising the risk of intensifying price competition.

Given that HDS still holds more than 70% of the global market and a technology and brand-recognition gap remains, the risk of losing out in competition for major new customers cannot be ruled out.

Financial Soundness and Funding Risk

Operating cash flow has posted growing net outflows every year, which could increase reliance on external funding. The large year-to-year swings in the debt ratio also point to uncertainty in the capital structure.

Should the company pursue new investments including M&A, additional funding burdens or potential share dilution should also be considered.

What to watch next

September 2026
Check whether mass production begins for the new defense remote controlled weapon station (RCWS) project. Whether it actually transitions to mass production is a key variable for the pace of second-half revenue recognition.
Around November 2026 (expected third-quarter earnings release)
Check whether the revenue growth seen in the second quarter continues, and whether the gap between the operating loss and net loss narrows.
End of December 2026
This is the targeted completion date for the ultra-compact planetary gear reducer for hands and grippers; check whether development is completed and whether follow-on orders materialize.
Second half of 2026
Check for additional disclosures on the progress of partnerships and M&A aimed at securing motor and electronics technology.
At the time of 2027 earnings releases
Check whether the profit turnaround projected by some brokerages for 2027 is actually realized.

Overall view

SBB Tech is one of the few domestic companies to hold full-cycle harmonic reducer technology in-house, and it is in the process of securing captive-style demand across the automotive, defense and robotics sectors.

Results in 2025 and the first half of 2026 showed a dual pattern of revenue growth alongside persistently large losses, with net losses repeatedly exceeding operating losses in a way that points to notable volatility in non-operating items.

Operating cash outflows have grown larger every year, making it important to also monitor the pace at which new projects convert into revenue as well as the company's funding situation.

Brokerages point to the defense RCWS project, Hyundai Motor Group's mobility platform, and potential entry into humanoid drivetrains as reasons to expect an earnings improvement in 2027-2028, though estimates vary by institution.

Progress in securing captive demand and executing the new-product development roadmap will likely be important evidence for assessing the company's future earnings path. This report is for informational purposes only and does not constitute a buy or sell recommendation.

Sources

Korea Exchange (KRX) — Prices · Market Cap · Volume
FSS electronic disclosure system (DART) — Financial statements · Dividend filings

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Report written 2026-09-05 · Data as of 2026-09-04

This content is AI analysis of market data and web search results, provided for information only. It is not a solicitation or recommendation to invest. Investment decisions and their consequences are the investor's own responsibility. Data may be delayed or contain errors.