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
Operating profit turned positive in the second quarter of 2026, but the stock was simultaneously designated an administrative issue for falling short of the price threshold, leaving an earnings recovery signal and a listing-maintenance risk side by side.
In Q2 2026, revenue reached 9.88 billion won with operating profit of 3.28 billion won and net profit of 3.88 billion won, the only clearly profitable quarter in the trailing four-quarter window.
On August 12, 2026, the Korea Exchange designated Inno Instrument an administrative issue after its share price stayed below 1,000 won for 30 consecutive trading days.
The company decided on a 5-to-1 share consolidation on July 31, 2026, raising par value from 500 won to 2,500 won, with an extraordinary general meeting on September 10 and new-share listing expected in October.
Most revenue is generated overseas, and while the China production base is exposed to US tariff risk, the Malaysia manufacturing subsidiary is cited as a possible alternative route.
The CEO was replaced by Gao Fei in March 2026, and in April of the same year major shareholder Cho Bong-il sold a portion of his holdings on the market.
Founded in 2007, Inno Instrument specializes in measurement and construction equipment for building and maintaining optical communication infrastructure, with its core product being the fusion splicer that melts and joins optical fibers using electric arc discharge.
Beyond splicers, the company has expanded its lineup with fiber cleavers, optical fiber measurement instruments (OTDR), and Power Analyzers, positioning itself as a total optical-communication solutions provider.
It supplies products to markets across China, North America, Europe, the Middle East and North Africa, and Asia, holding the number-one market share in China and having signed large-scale supply contracts with major North American telecom operators.
Production takes place through subsidiaries in China and Malaysia, with in-house mold facilities and a low outsourcing ratio supporting cost competitiveness.
In the competitive landscape, three major Japanese firms including Fujikura have long led the market, and Inno Instrument, leveraging domestically developed technology, is regarded as sharing a market-leading role alongside them.
Product differentiation includes capacitive touchscreens and Digital Core Alignment System (DACAS) technology that enhance usability and precision, along with a three-year free after-sales warranty as a service strategy.
More recently, however, aggressive low-price competition from Chinese domestic manufacturers has intensified pricing pressure globally. Because most revenue is earned overseas in an export-oriented structure, results are sensitive to exchange rates and the investment cycles of individual regional telecom operators.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩13.3B | -₩1.2B | −9.2% |
| 2025Q3 | ₩10.1B | -₩400M | −4.1% |
| 2025Q4 | ₩9.5B | -₩2.3B | −24.8% |
| 2026Q1 | ₩7.9B | -₩300M | −3.9% |
| 2026Q2 | ₩9.9B | ₩3.3B | 33.2% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩49.9B | ₩2.9B | ₩5.6B | 5.9% | 5.8% | 31.4% |
| 2023 | ₩43.9B | -₩18.9B | -₩18.1B | −43.0% | −22.9% | 40.6% |
| 2024 | ₩41.2B | -₩27.5B | -₩39.4B | −66.7% | −88.8% | 80.9% |
| 2025 | ₩43.7B | -₩9.2B | -₩11.1B | −21.0% | −32.5% | 90.6% |
Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-08-23
Consolidated revenue fell for two straight years from 49.85 billion won in 2022 to 43.87 billion won in 2023 and 41.17 billion won in 2024, before rebounding modestly to 43.69 billion won in 2025.
Operating profit, which stood at 2.92 billion won in 2022, swung to losses of 18.88 billion won in 2023 and 27.45 billion won in 2024 before the loss narrowed to 9.19 billion won in 2025.
Net income attributable to owners followed a similar path, moving from a 5.62 billion won profit in 2022 to losses of 18.09 billion won in 2023 and 39.43 billion won in 2024, before narrowing to a 11.12 billion won loss in 2025.
On a quarterly basis, after Q2 2025 posted revenue of 13.27 billion won with an operating loss of 1.22 billion won and a net loss of 5.00 billion won, Q3 2025 revenue slipped to 10.12 billion won but the operating loss narrowed to 0.41 billion won and net income turned positive at 0.80 billion won.
Q4 2025 saw the loss widen again to revenue of 9.46 billion won, an operating loss of 2.34 billion won, and a net loss of 2.88 billion won, and Q1 2026 continued in the red with revenue of 7.93 billion won, an operating loss of 0.31 billion won, and a net loss of 1.00 billion won.
According to financial-data providers, revenue in Q1 2026 fell 26.9% year over year while the operating loss shrank 94.0%, a result attributed largely to cost reductions offsetting a slowdown in core fusion-splicer sales.
The pattern shifted clearly in Q2 2026, when revenue rose to 9.88 billion won, operating profit turned positive at 3.28 billion won, and net income reached 3.88 billion won.
As a result, over the trailing four quarters from Q3 2025 through Q2 2026, combined revenue totaled 37.38 billion won with operating profit of roughly 0.21 billion won and owner net income of roughly 0.80 billion won, bringing the operating line close to breakeven—though three of the four quarters were still in loss and most of the profit swing was concentrated in the single quarter of Q2 2026, so whether this marks a durable improvement will require confirmation from upcoming quarterly results.
Optical fiber fusion splicers are essential equipment for building communication infrastructure such as 5G base stations, data centers, and FTTH networks, and demand for fiber installation tends to rise alongside growing AI data center investment.
The end-market involves multiple overlapping cycles, including 5G standalone mode rollout, 6G commercialization equipment spending, and broadband network modernization, meaning results are sensitive to the resumption or delay of investment by specific regions or carriers.
In the competitive landscape, three major Japanese firms including Fujikura have long led the market on the strength of their technology, and Inno Instrument is regarded as belonging to the market-leading group through domestic technology development and price competitiveness.
Still, intensifying low-price competition from local Chinese manufacturers poses an ongoing challenge in defending share in the mid-to-low price segment.
The dual production base spanning China and Malaysia is a structural feature that could work either favorably or unfavorably depending on shifts in the tariff and trade environment.
If the United States fully implements reciprocal tariffs, export competitiveness based on the China plant could be directly hit, while some views hold that the Malaysia production site could serve as a tariff-avoidance route.
More recently, expectations that postwar reconstruction following a Russia-Ukraine ceasefire could highlight infrastructure investment, including telecom networks, have stirred investor interest across optical-communication-related stocks broadly, though this has not yet been confirmed through any specific order.
At its board meeting on July 31, 2026, the company disclosed a decision to implement a 5-to-1 share consolidation aimed at maintaining an appropriate number of shares outstanding to stabilize the stock price and enhance corporate value, changing par value from 500 won to 2,500 won.
The related schedule specifies an extraordinary general meeting on September 10, a trading halt from September 23 to October 13, and listing of the new shares on October 14.
This consolidation is not a capital reduction but a share consolidation that preserves corporate value, reducing total shares outstanding from roughly 40.28 million to roughly 8.06 million.
Earlier, in March 2026, the CEO was changed from Park Cho-young to Gao Fei, a figure who reportedly served as a vice president at the company's China subsidiary.
In April of the same year, it was disclosed that major shareholder Cho Bong-il sold a portion of his holdings (3.4%, worth approximately 890 million won) on the market.
The company has stated it continues to pursue an expansion of its measurement instrument lineup beyond splicers, including OTDR and Power Analyzer products, to advance toward becoming a total optical-communication solutions provider.
However, no official revenue or order guidance, nor concrete capacity-expansion plans, have been confirmed, meaning whether the recent earnings improvement is sustained will need to be verified sequentially through quarterly disclosures.
Following the August administrative-issue designation, an additional point to watch is how the price adjustment from the share consolidation affects resolution of the conditions that triggered that designation.
The multiple representing the current share price relative to net asset value sits below one, placing the stock in a range where the market values it beneath its accounting book value.
By contrast, the multiple derived from dividing the price by the still-modest profit accumulated over the trailing four quarters sits toward the higher end of the bands in which this stock has historically traded.
This reflects the fact that the Q2 2026 return to profit represents only a single quarter, leaving a thin earnings base in the denominator, so the meaning of this multiple could shift depending on whether profitability persists.
On the dividend side, no cash dividend was confirmed in the most recent settlement, so the no-dividend status continues.
The debt ratio rose markedly from 31.4% in 2022 to 90.6% in 2025, while total equity fell from 97.6 billion won to 34.2 billion won over the same period, and this weakening of the capital-structure buffer is a factor worth considering when interpreting valuation.
The August administrative-issue designation and the subsequent share-consolidation decision are factors that technically reset the price level itself, so caution is warranted when comparing metrics before and after the consolidation.
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 2026-08-23
In Q2 2026, revenue rose to 9.88 billion won and operating profit turned positive at 3.28 billion won, bringing the trailing four-quarter combined operating result close to breakeven. This appears to reflect a simultaneous cost reduction and revenue recovery, and if sustained could mark an inflection point in earnings.
However, given that three of the four quarters were still in loss, confirmation through the next quarter's results is needed.
Rising fiber installation demand driven by 5G standalone transition, 6G commercialization preparation, and AI data center expansion provides a favorable backdrop for the fusion-splicer end market.
The company is exposed to this demand cycle on the back of its number-one market share in China and prior contract experience with major North American telecom operators. Its expanding measurement-instrument lineup, including OTDR and Power Analyzer products, is worth noting from a revenue-diversification standpoint.
Through the 5-to-1 share consolidation, the company aims to reduce shares outstanding and raise per-share par value to stabilize the stock price and enhance corporate value. This measure could technically help resolve the price-shortfall issue that triggered the administrative-issue designation. The transition to a new CEO is also a factor worth observing from a management-efficiency standpoint.
On August 12, 2026, the Korea Exchange designated Inno Instrument an administrative issue because its share price had stayed below 1,000 won for 30 consecutive trading days. Under the applicable rule, failure to meet the price criterion for 45 of the following 90 trading days can lead to delisting. Whether the share consolidation will help resolve this issue has not yet been confirmed by results.
With net losses recorded for three consecutive years from 2023 to 2025, total equity fell from 97.6 billion won in 2022 to 34.2 billion won in 2025, while the debt ratio rose from 31.4% to 90.6%. This signals a weakening of the financial buffer and could raise the need for additional capital funding going forward. It would be premature to conclude that a single profitable quarter in Q2 2026 has reversed this trend.
Instances have been observed in which thematic expectations tied to Ukraine reconstruction and AI/optical-semiconductor narratives influenced the stock price, though these remain expectations not yet confirmed by specific orders.
At the same time, aggressive low-price competition from local Chinese manufacturers is intensifying pricing pressure. If thematic trading flows continue to move the price more than individual company fundamentals, the gap between earnings and share price could widen.
Following the August 2026 administrative-issue designation, a rule applies whereby failure to meet the price criterion for 45 of the following 90 trading days can lead to delisting.
Whether the 5-to-1 share consolidation actually helps meet this condition will need to be confirmed once trading resumes after the consolidation. It cannot be ruled out that the designation itself could dampen investor sentiment and trigger further price declines.
Total equity has continued to decline amid three consecutive years of net losses from 2023 to 2025, and the debt ratio has risen into the 90% range. Operating cash flow was also negative in 2023 and 2024 before turning marginally positive in 2025. If additional losses continue, further capital raising or increased borrowing could become necessary.
Because exports to the United States are structured around the China-based Weihai production facility, results could be directly affected by changes in US tariff policy toward China.
While some views suggest the Malaysia production site could serve as an alternative, the actual scale and speed of any production shift have not been confirmed. Expectations tied to Ukraine reconstruction also carry uncertainty dependent on external variables such as the progress of ceasefire negotiations.
An extraordinary general meeting will be held to approve the 5-to-1 share consolidation. Whether it is approved and the subsequent schedule is finalized should be checked.
This is the trading-halt period associated with the share consolidation. It should be verified whether the halt proceeds as scheduled and the new-share effectuation process is completed on time.
This is the date the consolidated new shares are listed, marking a point to check whether the post-consolidation price clears the threshold that triggered the administrative-issue designation.
The Q3 2026 quarterly report is expected around this time, allowing further confirmation of whether the Q2 profit turnaround continued.
Because meeting the price criterion for 45 of 90 trading days after the administrative-issue designation is directly tied to the delisting review, whether this condition is met should be continuously monitored during this period.
Inno Instrument recorded net losses for three consecutive years through 2025, eroding equity and pushing up its debt ratio, but showed a signal of simultaneous operating and net profit turnaround in Q2 2026.
However, during the same period the stock was designated an administrative issue after its price stayed below 1,000 won for 30 consecutive trading days, prompting a capital-structure response in the form of a 5-to-1 share consolidation now underway.
Revenue is tied to the optical-communication infrastructure investment cycle, with demand tailwinds from 5G standalone, 6G, and AI data center expansion operating alongside competitive and trade variables such as Chinese low-price competition and US tariff risk.
Over the trailing four quarters, combined operating results came close to breakeven, but with three of those four quarters still in loss, the durability of the profit turnaround remains to be verified.
Key variables to monitor over the coming months include the September shareholder meeting and share-consolidation schedule, the Q3 results expected in November, and whether the conditions behind the administrative-issue designation are resolved. Readers should weigh these facts comprehensively in forming their own investment judgment.
Report written 2026-09-05 · Data as of 2026-09-04
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