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
IWin, the dominant player in Korea's seat heater market, returned to net profit in 2025, and gains from asset and subsidiary sales further boosted earnings in the first half of 2026.
Supplies over 90% of Korea's domestic seat heater volume to global automakers
2025 consolidated net income attributable to owners turned profitable at KRW 8.64bn versus a loss of KRW 3.90bn the prior year
Q2 2026 net income attributable to owners reached KRW 14.25bn, reflecting gains from asset and subsidiary disposals
Divested subsidiary IWin Plus (now RNTX) stake in December 2025 to streamline the balance sheet
Executed a 10-for-1 share consolidation in July-August 2026, reducing shares outstanding from about 41.9 million to 4.19 million
Founded in 1999 and listed on KOSDAQ in 2006, IWin is an auto parts manufacturer whose core product is the vehicle seat heater.
According to the company, it supplies over 90% of Korea's domestic seat heater volume, backed by an exclusive technology partnership with Germany's IGB that underpins its technical, cost, and quality advantages.
IWin supplies most vehicle models from Korea's major automakers and has built a global footprint with a manufacturing plant in Vietnam and sales subsidiaries in the United States, Slovakia, and China.
The company has recently pursued a portfolio realignment to focus on its core business and strengthen its balance sheet, signing a deal in December 2025 to sell its stake in subsidiary IWin Plus (now RNTX) to RN2 Technology and two other parties for a total of about KRW 16.65bn.
The company described the sale not as a simple business exit but as a strategic choice for the sustainable growth of both parties.
In parallel, IWin is developing new products including Hands-on/off Detection (HoD) sensors, Seat Belt Reminder (SBR) sensors, and electronic control units (ECUs) to respond to the expansion of autonomous driving and advanced driver-assistance systems (ADAS).
Seat heaters have increasingly become a standard option on many new vehicle trims, which has moderated the seasonal swings in the company's sales. IWin is classified under KOSDAQ's transport equipment/parts sector, specifically the auto parts industry.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩30.4B | ₩2.8B | 9.2% |
| 2025Q3 | ₩28.7B | ₩2.1B | 7.5% |
| 2025Q4 | ₩27.1B | ₩500M | 1.8% |
| 2026Q1 | ₩27.5B | ₩1.6B | 5.8% |
| 2026Q2 | ₩29.1B | ₩4B | 13.6% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩94.4B | ₩2.3B | -₩3.6B | 2.4% | −4.8% | 128.1% |
| 2023 | ₩108.3B | ₩6.4B | -₩35.3B | 5.9% | −87.0% | 212.0% |
| 2024 | ₩119.3B | ₩7.9B | -₩3.9B | 6.6% | −10.6% | 218.0% |
| 2025 | ₩115.9B | ₩6.9B | ₩8.6B | 5.9% | 18.7% | 162.6% |
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
IWin's consolidated revenue rose from KRW 94.4bn in 2022 to KRW 108.3bn in 2023 and KRW 119.3bn in 2024, before slipping slightly to KRW 115.9bn in 2025.
Operating profit climbed steadily from KRW 2.3bn in 2022 to KRW 6.4bn in 2023 and KRW 7.9bn in 2024, then declined to KRW 6.9bn in 2025, pushing the operating margin down from 6.6% to 5.9%.
The net income trajectory is far more dramatic: the company posted net losses for three straight years in 2022 (-KRW 3.6bn), 2023 (-KRW 35.3bn), and 2024 (-KRW 3.9bn, owners' share), before swinging to a net profit of KRW 8.6bn attributable to owners in 2025.
Notably, 2023's operating profit was a positive KRW 6.4bn even as the net loss reached KRW 35.3bn, suggesting a large one-off loss below the operating line that year.
On a quarterly basis, net income attributable to owners was KRW 2.1bn in Q3 2025 and KRW 5.7bn in Q4 2025, followed by KRW 2.3bn in Q1 2026 and a much larger KRW 14.3bn in Q2 2026, which the company attributed to stronger cost competitiveness and gains from tangible asset disposals.
Indeed, first-half 2026 consolidated revenue fell 6% year-on-year to KRW 56.6bn, while operating profit rose 30% to KRW 5.5bn and net income surged 1,320% year-on-year to KRW 16.9bn.
Over the trailing four quarters from Q3 2025 through Q2 2026, cumulative net income attributable to owners reached KRW 24.3bn, marking a further step-up beyond the annual return to profitability.
Cash flow also improved, with operating cash flow rising from KRW 2.5bn in 2022 to KRW 9.5bn in 2025, while the debt ratio improved from 218.0% in 2024 to 162.6% in 2025, pointing to a broader balance sheet recovery.
Automotive seat heaters were once considered mainly a winter option, but industry sources note that as more automakers now include them as standard equipment on many new vehicle trims, the seasonal swing in related sales has moderated. This provides a more stable volume base for specialized seat heater makers.
With a domestic market share exceeding 90%, IWin faces relatively limited competitive intensity within Korea's supply chain ecosystem for this specific part.
That said, the company's performance remains tied to the broader automotive production and sales cycle, so any weakness in domestic or overseas vehicle sales, along with raw material or foreign exchange swings, can directly affect results.
At the same time, the spread of autonomous driving and ADAS technology is creating structural demand for new electronic parts such as HoD and SBR sensors and ECUs, offering IWin an avenue to expand from thermal comfort parts into electronic sensor territory.
Across the broader auto parts sector, structural shifts such as the transition to electric vehicles and the restructuring of semiconductor and battery supply chains are underway, with observers noting that suppliers heavily reliant on internal combustion engine parts may need a more cautious approach.
IWin's business remains concentrated on a specific component category, so changes in automakers' option policies or the emergence of competing technologies could influence its medium- to long-term positioning.
The company stated that the sale of IWin Plus (now RNTX) was aimed at focusing on its core business and strengthening financial soundness, and indicated it would consider further business structure streamlining going forward.
CEO Shin Gyu-jin said the company had not been able to pay dividends due to insufficient distributable profit under commercial law, but noted plans to review a shareholder return policy going forward by comprehensively considering available distributable resources and financial conditions.
On the R&D front, the company is developing and pursuing certification for new products including HoD sensors, SBR sensors, and ECUs, and expects demand for such products to grow as vehicle safety and driver-assistance technologies advance.
In July-August 2026, IWin carried out a 10-for-1 share consolidation aimed at stabilizing its share price and enhancing corporate value, changing the par value from KRW 500 to KRW 5,000 and reducing shares outstanding from about 41.9 million to 4.19 million, with the new shares resuming trading on August 18, 2026.
Performance through the first half of 2026 showed profit expansion driven by cost management and asset-sale gains even as revenue stayed roughly flat, and whether this profit improvement translates into structural gains in the core business beyond one-off items remains something to monitor.
The next quarterly disclosure and any mass-production or supply contracts for the new sensor products will be key gauges of the company's diversification progress.
IWin's shares trade at a discount to net asset value, which can be read as reflecting the gap between the equity base that shrank after 2022 and the recent recovery in profitability.
The earnings multiple has narrowed sharply due to the asset and subsidiary sale gains booked in Q2 2026, so it is worth examining the recurring earning power of the core business separately from these one-off items.
The company currently pays no dividend, placing it in a limited position within the sector on shareholder returns, and whether it secures distributable profit and finalizes a policy going forward is a point to watch.
The 10-for-1 share consolidation carried out in July-August 2026, which reset the share count and trading unit, is also useful context when assessing valuation.
The directional shift from three consecutive years of net losses (2022-2024) to profitability in 2025 and further earnings expansion in the first half of 2026 can be read as a sign of balance-sheet improvement, but whether this translates into a sustained earnings trend requires confirmation through upcoming quarterly results.
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
After three consecutive years of net losses from 2022 to 2024, the company returned to profit in 2025 with KRW 8.6bn in net income attributable to owners. Earnings expansion continued into the first half of 2026, accompanied by improvement in operating cash flow and the debt ratio.
This trend aligns with the company's stated focus on strengthening cost competitiveness and financial soundness.
The company is developing new autonomous-driving and ADAS-related products, including HoD and SBR sensors and ECUs, to reduce reliance on the single seat heater product line. The company expects demand for such products to rise as vehicle safety and driver-assistance technologies advance. If development and certification are completed, this could lead to new supply contracts with automakers.
The December 2025 divestiture of the IWin Plus (now RNTX) stake, along with gains from tangible asset sales, were reflected in first-half 2026 results and strengthened financial soundness. The company said it plans to continue restructuring its portfolio to focus on core operations. It has also flagged a review of shareholder return policy once distributable profit is sufficiently secured.
Consolidated revenue declined from KRW 119.3bn in 2024 to KRW 115.9bn in 2025, and first-half 2026 revenue fell 6% year-on-year to KRW 56.6bn. Even as seasonality has moderated due to seat heaters becoming a standard option, top-line growth itself has been flat to declining.
The primary earnings driver appears to rest more on cost reduction and one-off gains than on expanding new product sales.
A substantial portion of the KRW 14.3bn net income attributable to owners in Q2 2026 is attributed to gains from tangible asset and subsidiary sales. The 2025 operating margin of 5.9% was lower than the prior year's 6.6%, indicating the profitability of core operations actually softened.
How much recurring earning power remains once one-off gains are excluded requires confirmation through future quarterly results.
The company carried out a 10-for-1 share consolidation in July-August 2026, resetting shares outstanding and the trading unit. Given its small market capitalization, liquidity may be limited, and changes in trading patterns following the consolidation warrant monitoring. The company currently pays no dividend, leaving shareholder-return appeal limited for now.
IWin's revenue is directly tied to the production and sales volumes of domestic automakers. A slowdown in domestic or overseas vehicle sales, or changes in automakers' option policies, could immediately affect seat heater volumes.
Whether thermal management component specifications shift during the transition to electrification is also a factor to watch over the medium to long term.
In 2023, despite a positive operating profit of KRW 6.4bn, the net loss reached KRW 35.3bn, suggesting a significant non-operating one-off loss that year. The sharp rise in Q2 2026 net income was also heavily influenced by the non-recurring factor of asset and subsidiary sales. How core business profitability holds up once these one-off items fade is a key point to monitor.
As a small-cap stock, average daily trading volume and liquidity may be limited. Following the significant reduction in shares outstanding from the July-August 2026 10-for-1 consolidation, changes in trading unit and liquidity after the consolidation warrant attention. Small-cap characteristics can also mean relatively larger price swings tied to supply-demand shifts.
This is when preliminary Q3 2026 results are expected to be disclosed, allowing a check on whether revenue recovers and how core business profitability looks once the one-off gains from Q2 fade.
Investors should confirm whether the proceeds from the RNTX (formerly IWin Plus) stake sale have actually been received and reflected in an improved balance sheet.
Watch for confirmation that development and certification of the new HoD/SBR sensors and ECU products are completed, and whether supply contracts with automakers are secured.
Investors should check for disclosures on whether distributable profit has been sufficiently secured and the outcome of the shareholder-return policy review.
IWin is a specialized parts maker holding over 90% market share in Korea's seat heater market, having returned to profit in 2025 after three consecutive years of net losses from 2022 to 2024, with earnings expanding further in the first half of 2026 due to asset and subsidiary sale gains.
However, revenue has been on a declining trend through 2024-2025 and into the first half of 2026, and the 2025 operating margin of 5.9% was lower than the prior year, making it difficult to say core operating profitability itself has improved.
The recent surge in net income relies heavily on non-recurring factors from tangible asset and subsidiary sales, so whether a sustainable earnings trend exists once these are excluded requires confirmation through future quarterly results.
The company is pursuing diversification through new autonomous-driving and ADAS-related products such as HoD and SBR sensors and ECUs, and has indicated plans to review a shareholder-return policy once distributable profit is secured.
In July-August 2026, the company carried out a 10-for-1 share consolidation to reset its share structure.
Overall, the picture is one where signs of balance-sheet improvement coexist with concerns over stagnant revenue and earnings quality, with the recovery of recurring core profitability being the key point to watch going forward.
Report written 2026-09-05 · Data as of 2026-09-04
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