Rainbow Robotics (277810) 🔎 In-depth
KOSDAQ · Price as of 2026-08-06 · Updated 2026-08-09
Rainbow Robotics is a specialist robotics company whose main product is collaborative robots that work side by side with people on factory and logistics floors, alongside dual-arm robots, autonomous mobile robots (AMRs) and humanoid-robot technology. 2025 revenue was ₩34.1 billion, up 76% from the prior year, and Q1 2026 revenue more than doubled to ₩9.1 billion, but operations are still in the red — a stage where growth is running ahead of profit. What stands out lately is that Samsung Electronics has become the largest shareholder (about 35%), giving the company a strong backer in the form of both a sales channel and capital; the caution is that the market cap is more than 240 times revenue, so expectations for humanoids are already heavily embedded in the price, and the stock could wobble if the pace of conversion into actual profit falls short.
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30-second brief
Pulled directly from the computed values below — not a separately written opinion.
What do the SourceComputedEstimateReading tags mean?
Source filings and exchange data · Computed calculated from public data · Estimate our own unverified projection · Reading drafted automatically, then rule-checked. See AI & Automation.
Core valuation metric
This stock's effective sub-sector is “Robotics” (Shipbuilding, Machinery, Defense & Power Equipment · Machinery), a type typically read first through EV/Sales.
Robotics is an early-stage growth market, so revenue can rise while profit stays thin or negative under heavy R&D and capital spending. Earnings-based multiples distort in that setting, so enterprise-value-to-sales (EV/Sales, alongside price-to-sales) is the first lens.
That said, the company is currently in a revenue-growth rather than a profit phase, so this metric alone offers only a limited read.
This note explains how each sector is typically valued and is educational context only, not investment advice.
At-a-glance assessment financial health · growth · profitability · valuation
- Debt ratio, current ratio and interest burden all look healthy.
- Revenue rose 76.4% year over year, and the pace is quickening (3-year trend: rising).
- Most recent quarter (Q1 2026) revenue was 116.6% higher than a year earlier.
- ROE is 1.1% (controlling-interest basis). It is above the sector average.
- Operating margin is -7.3%.
- The P/E sits above the sector median, reflecting elevated expectations.
Ownership & governance As of 2025-12-31
Largest shareholder Samsung Electronics 35% (corporate)
Controlling bloc incl. related parties 41.63%
With the controlling bloc holding 42%, the ownership structure is stable.
🔎 In-depth analysis Reading
Rainbow Robotics makes and sells robots directly. Its largest revenue source is collaborative robots (robotic arms built to work safely alongside people). They are used to automate repetitive tasks such as factory assembly, welding and logistics transfer. On top of this, the company is nurturing dual-arm robots, autonomous mobile robots (AMRs) that move on their own, and humanoid-robot technology that moves on two arms and two legs like a person. Its roots lie in being a company founded by the research team that developed Korea's first bipedal walking robot, 'HUBO,' at KAIST. Recently it has been putting weight into bringing core component technologies for humanoids — such as actuators and 3D vision — in-house and making them itself.
The latest close is ₩489,500 and the market capitalization is ₩9.5 trillion. The price sits above its 20-day moving average (₩434,025) and below its 60-day moving average (₩568,400). 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 53.0, a neutral level. The one-month change is +6.5%, the three-month change is -30.3%, and the position relative to the 52-week high is -44.4%. Relative strength versus the KOSDAQ is 71 (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 71% of all stocks. Over the past three months it outpaced the index by 5.1%. Chart interpretation is best done alongside trading volume and the dates on which disclosures occur.
This company is at a stage where it is valued by 'growth' and 'expectations' rather than 'profit.' The P/E ratio (how many times one year's profit the share price is) comes out in the thousands because earnings are so small, so it is effectively meaningless. Instead, the key point is the P/S ratio (how many times revenue the share price is), which is 244x — meaning the market cap is very high relative to revenue. The 2025 operating margin is -7.3%, so operations are still at a loss. The ₩1.4 billion of 2025 net profit was not earned in the core business either; it is largely interest and valuation gains from cash on hand. Financial stability is good. The current ratio (immediately usable assets versus debts due within a year) is a very high 12.7x. Net debt is negative (net cash of about ₩10 billion), so there is no debt burden. That said, EV/Sales (enterprise value including debt divided by revenue) is 275x, so even setting cash aside, the valuation relative to revenue remains high.
The pace of revenue growth is clear. 2025 revenue was ₩34.1 billion, up 76% from the prior year — an even faster growth rate than 2024 (+27%). Five-year revenue grew at around 40% a year. Q1 2026 revenue also jumped 117% year on year to ₩9.1 billion. About 27% (₩2.4 billion) of Q1 revenue was sales to Samsung Electronics. Profit, however, has not yet followed. The Q1 operating loss was -₩1.57 billion and the net loss -₩0.9 billion, with the deficit actually widening. Revenue is rising fast, but R&D and capital investment run ahead — the classic look of an early-stage growth robotics firm. The company's disclosed revenue and profit outlook figures for this year are not confirmed, so we honestly leave the profit-based outlook open.
The biggest event is Samsung Electronics becoming the largest shareholder. Samsung Electronics exercised a call option to raise its stake to about 35% and become the largest shareholder, and Rainbow Robotics was consolidated as a Samsung Electronics subsidiary. This means securing a stable large customer as well as a capital partner. In March 2026 the company disclosed a new facility-investment plan, signaling its intent to expand capacity. In February there was a results-related disclosure that the revenue and profit-and-loss structure had changed by more than 30%. The 2025 annual results were confirmed via the March business report, and the Q1 2026 results via the May quarterly report.
This is a stock where strengths and cautions are sharply split. There are three strengths. First, revenue has grown steeply for two straight years. Second, Samsung Electronics stands behind it as largest shareholder, customer, and capital and technology partner. Third, a net-cash position gives room to invest without funding pressure. The cautions are just as clear. Operations are still in the red, and the Q1 deficit actually widened. With a market cap more than 240 times revenue, expectations for humanoid commercialization and a turn to profit are already heavily embedded in the price. In sum, it is strong if collaborative-robot revenue growth and Samsung synergy translate quickly into actual profit. Conversely, if that conversion is delayed or enthusiasm for robotics investment cools, the high valuation comes back as a burden.
🔎 Valuation vs peers Overvalued
The listed domestic robotics/collaborative-robot companies whose business character is closest.
| Peer | P/E | P/B | ROE |
|---|---|---|---|
| Doosan Robotics | 0.00x | 13.44x | -15.92% |
| Yujin Robot | 0.00x | 20.15x | -24.32% |
| T-Robotics | 0.00x | 5.81x | -85.18% |
This company has effectively no profit, so it is hard to value on a P/E. The real comparison is on a revenue basis (P/S) and an asset basis (P/B). The P/S is 244x, higher even than Doosan Robotics (about 139x), Korea's leading collaborative-robot name, and incomparably higher than Yujin Robot (about 17x). The P/B, at 62x, also far exceeds robotics peers (Doosan 13x, Yujin 16x, T-Robotics 5x). The robotics sector as a whole carries high multiples because most players are loss-making, but even within that, Rainbow Robotics sits at the highest spot, with the Samsung Electronics largest-shareholder premium and humanoid expectations overlapping. The grounds — revenue growth and Samsung synergy — are clear. But given a market cap more than 240 times revenue and operations still at a loss, future success is largely pre-reflected in the current valuation. The key variable is whether the pace of conversion into profit keeps up with expectations.
Price history Close · MA20 · MA60
The latest close is ₩489,500 and the market capitalization is ₩9.5 trillion. The price sits above its 20-day moving average (₩434,025) and below its 60-day moving average (₩568,400). 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 53.0, a neutral level. The one-month change is +6.5%, the three-month change is -30.3%, and the position relative to the 52-week high is -44.4%. Relative strength versus the KOSDAQ is 71 (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 71% of all stocks. Over the past three months it outpaced the index by 5.1%. 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 +5.05% / 6M -5.81% / 12M +74.63%
Key metrics Computed vs sector median
Valuation
The P/E of 6678.04x is above the sector median (42.08x). The P/B of 71.45x is above the sector median (4.51x).
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
The operating margin is -7.3%. The debt ratio is 5.7%, so the financial structure is stable.
Growth FY2025 · annual report (consolidated)
| Item | 2023 | 2024 | 2025 | YoY |
|---|---|---|---|---|
| Revenue | $10.7M | $13.6M | $24.0M | +76.38% ↑ faster |
| Operating profit | -$31.3M | -$2.1M | -$1.7M | — |
| Net profit | -$628,436 | $1.5M | $998,611 | -33.43% |
| 5-year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $6.3M | $9.6M | $10.7M | $13.6M | $24.0M |
| Operating profit | -$724,080 | $913,870 | -$31.3M | -$2.1M | -$1.7M |
| Net profit | -$5.5M | $4.1M | -$628,436 | $1.5M | $998,611 |
| Revenue CAGR | 4-yr avg 39.66% | ||||
Revenue rose 76.4% year over year (2023 ₩15.3 billion → 2024 ₩19.3 billion → 2025 ₩34.1 billion), and the three-year trend is 'rising'. The pace of growth also quickened from the prior year. Operating results are in the red, so a swing back to profit matters more than the growth rate here. Over the 5 years on record, revenue compound annual growth (CAGR) is 39.7%. The two-year revenue CAGR is 49.5%. In the most recent quarter (Q1 2026), revenue was 116.6% higher than the same period a year earlier.
Latest quarterly results Source Q1 2026 · vs year-ago
Technical indicators Computed
What stands out
- Revenue grew 76.4% year over year, a sign of growth.
- The balance sheet is stable in terms of debt and liquidity.
Points to watch
- The price is high versus peers, so expectations already appear priced in.
Recent news & events searched · sourced
- 2026-05-15EarningsQ1 2026 revenue of ₩9.06 billion, up 116.6% year on year, with an operating loss of -₩1.57 billion and a net loss of -₩0.9 billion — losses continuing (quarterly report).High revenue growth was confirmed, but the operating deficit widened, leaving the timing of a turn to profit as an outstanding task (near-term neutral to negative, mid-term growth positive). Source
- 2026-03-27FilingDisclosure of a new facility-investment plan (correction) — direction of expanding production capacity.Intent to respond to mass production of collaborative robots and new products and to expand capacity. There is an early investment burden, but it is a base for mid-term growth (mid-term positive). Source
- 2026-03-20Earnings2025 business report — annual revenue of ₩34.1 billion (+76.4% YoY), operating loss of -₩2.48 billion, net profit of ₩1.42 billion.High revenue growth confirmed. But the net profit is largely non-operating in nature, based on cash on hand rather than the core business (mid-term positive, but note the quality of earnings). Source
- 2026-02-27FilingDisclosure of a change of 30% or more (15% for large corporations) in revenue or profit-and-loss structure — a filing on the structural change from the surge in revenue.Confirms that the scale of revenue growth was large enough to exceed the disclosure threshold (mid-term positive). Source
Figure cross-check computed ↔ external
Recent filings Source
- 2026-05-21Disclosure
- 2026-05-20Shareholders' meeting notice
- 2026-05-15PeriodicQuarterly report
- 2026-03-31Disclosure
- 2026-03-30Shareholders' meeting notice
- 2026-03-27Amended filing
- 2026-03-20PeriodicAnnual business report
- 2026-03-20Audit report
- 2026-03-13Shareholders' meeting notice
- 2026-03-13Shareholders' meeting notice
- 2026-03-13Shareholders' meeting notice
- 2026-02-27EarningsEarnings 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.