PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩1,155 per share · Prices as of the 2026-10-02 close
Daeduck's consolidated earnings have improved for four straight quarters on the back of subsidiary Daeduck Electronics' substrate business turnaround, even as founder-family succession issues and a typical holding-company discount structure persist.
Operating profit swung from a KRW 19.75bn loss in Q2 2025 to KRW 67.41bn in Q2 2026, marking four consecutive quarters of improvement.
The recovery of core subsidiary Daeduck Electronics' FC-BGA and memory package substrate business is the main driver of the holding company's consolidated earnings.
Full-year 2025 net profit attributable to owners was KRW 3.54bn, down from KRW 22.60bn in 2024, reflecting weak performance in the first half of 2025.
Total 2025 dividends more than doubled year over year and about 2.6 million treasury shares were retired, though some observers link the expanded payout to funding the founder family's gift tax obligations.
The June 2026 sale of subsidiary NR Lab reshaped the portfolio, and plans for use of the sale proceeds have not yet been finalized.
Daeduck was founded in 1972 to manufacture and sell PCBs, and converted into a holding company in 2020 after spinning off its PCB operations. It currently holds subsidiaries including Daeduck Electronics and Wisol, with its business divided into Daeduck Electronics' PCB segment and Wisol's RF segment.
Daeduck Electronics produces semiconductor package substrates and MLB (multilayer boards), with major customers including Samsung Electronics, SK hynix, and Amkor Technology Korea in the semiconductor and packaging space.
Wisol produces SAW filters, duplexers, and RF modules for mobile phones, and has also entered the automotive electronics component market alongside 5G smartphone demand.
In August 2025, Daeduck conducted a tender offer to increase its stake in order to satisfy holding-company formation and conduct-restriction requirements on minimum subsidiary ownership, and later sold part of that stake on the open market.
In June 2026, it sold unlisted subsidiary NR Lab, which held RF transmission module technology, with the company stating the sale was aimed at strengthening Wisol's competitiveness.
In the PCB segment, competitors include Samsung Electro-Mechanics, Ibiden, Unimicron, Simmtech, and ISU Petasys, while the RF segment competes against overseas filter makers. As a holding company, Daeduck does not file its own detailed business report, so granular business information relies on subsidiary disclosures.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩323.8B | -₩19.8B | −6.1% |
| 2025Q3 | ₩367.3B | ₩21B | 5.7% |
| 2025Q4 | ₩393.1B | ₩27.7B | 7.0% |
| 2026Q1 | ₩442.6B | ₩53.3B | 12.0% |
| 2026Q2 | ₩481.5B | ₩67.4B | 14.0% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩1.7T | ₩196.9B | ₩19.3B | 11.8% | 3.2% | 28.2% |
| 2023 | ₩1.3T | ₩31.3B | ₩12.8B | 2.4% | 2.1% | 22.7% |
| 2024 | ₩1.3T | ₩8.4B | ₩22.6B | 0.7% | 3.7% | 19.8% |
| 2025 | ₩1.4T | ₩11.3B | ₩3.5B | 0.8% | 0.6% | 26.8% |
Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-08-22
On an annual basis, Daeduck posted revenue of KRW 1,661.9bn and operating profit of KRW 196.87bn (an 11.8% operating margin) in 2022, benefiting from the semiconductor upcycle, before profitability fell sharply during the downturn, with revenue of KRW 1,279.3bn and operating profit of KRW 31.33bn (2.4%) in 2023 and revenue of KRW 1,267.2bn and operating profit of KRW 8.42bn (0.7%) in 2024.
In 2025, revenue recovered to KRW 1,384.99bn, but operating profit reached only KRW 11.31bn (0.8%), and net profit attributable to owners fell to KRW 3.54bn from KRW 22.60bn in 2024. This apparent reversal is explained by the quarterly pattern.
Q2 2025 posted revenue of KRW 323.8bn with an operating loss of KRW 19.75bn and a net loss attributable to owners of KRW 1.49bn, dragging down first-half results, before the company turned profitable in Q3 with revenue of KRW 367.3bn, operating profit of KRW 20.97bn, and net profit attributable to owners of KRW 7.41bn.
Q4 revenue reached KRW 393.1bn with operating profit of KRW 27.69bn, yet net profit attributable to owners fell back into a loss of KRW 0.79bn, suggesting a one-off item hit the bottom line even as operating performance improved.
Entering 2026, revenue and profit rose clearly each quarter: Q1 revenue of KRW 442.6bn, operating profit of KRW 53.26bn, and net profit attributable to owners of KRW 15.39bn, followed by Q2 revenue of KRW 481.5bn, operating profit of KRW 67.41bn, and net profit attributable to owners of KRW 16.11bn.
Cumulative net profit attributable to owners over the trailing four quarters (Q3 2025 through Q2 2026) reached KRW 38.12bn, well above the full-year 2025 figure of KRW 3.54bn.
Consolidated equity held broadly steady in the KRW 14.8-15.2 trillion range between 2022 and 2025, while the debt ratio fluctuated between 19.8% and 28.2%.
The PCB and semiconductor package substrate industry is in a phase of growing demand for high-performance, high-density substrates driven by AI data centers, servers, autonomous driving, and robotics.
At Daeduck Electronics, FC-BGA utilization is understood to have risen from around 65% in Q4 2025 to the mid-70% range recently, with market observers expecting it to approach 80% in the second half.
Some brokerages characterize the current substrate cycle as structurally different from past cycles, with volume growth accompanied by rising average selling prices, as AI server-related supply from global leaders such as Ibiden and Unimicron continues to lag demand despite capacity expansions.
Supply constraints on T-glass, a key raw material, are expected to persist through 2027, a factor cited as supportive of the upcycle view.
In this landscape, Daeduck Electronics is mentioned alongside Samsung Electro-Mechanics as a domestic supplier with spare capacity, with its portfolio spanning memory packages, FC-BGA, and MLB seen as a point of differentiation versus peers.
The RF segment (Wisol) is pursuing growth from 5G smartphone demand and entry into automotive electronics components, though its revenue scale remains far smaller than the PCB segment. The holding company Daeduck itself has no independent industry cycle and is tied to its subsidiaries' performance.
According to brokerage analysis, Daeduck Electronics began mass production of large-area FC-BGA products in early 2026, with full-scale production of large-area, high-layer-count FC-BGA for AI networking customers expected to ramp up in the second half.
The memory package substrate segment plans to complete line reallocation for a KRW 50bn capacity expansion during the second quarter, while a separate KRW 50bn FC-BGA production line expansion is reflected for the second half of 2027.
In the MLB segment, aerospace-related revenue rose sharply quarter over quarter on expanded supply to global satellite operators, and substrate revenue to North American semiconductor customers is expected to expand from the second half.
At the holding company level, treasury share retirement and expanded dividends have already been carried out under the corporate value-up plan announced in 2025, while further shareholder return plans have not yet been formalized. Specific plans for using proceeds from the NR Lab sale also remain undecided.
With founder-family share gifting continuing, the progress of succession and any resulting changes to dividend and buyback policy remain points to watch.
As a holding company, Daeduck's structure is prone to a gap between net asset value (the sum of its subsidiary stakes) and the price the market assigns to it.
Its price-to-book ratio has tended to trade at a discount to net asset value, a pattern broadly consistent with the discount structure common among Korean holding companies.
On the earnings side, the shift from a first-half 2025 loss to progressively larger quarterly profits since has been accompanied by a corresponding shift in how the market appears to be assessing the stock relative to past performance.
Dividend policy metrics improved notably following the 2025 fiscal year, when total dividends and the payout ratio expanded significantly from the prior year.
That said, some observers link the expanded payout to funding the founder family's gift tax obligations, which leaves room for differing views on how sustainable this policy is.
Because valuation here is shaped jointly by the earnings cycle of subsidiary Daeduck Electronics and the holding-company discount, both factors warrant consideration together.
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 2026-08-22
Operating profit rose every quarter from an operating loss of KRW 19.75bn in Q2 2025 to KRW 67.41bn in Q2 2026, with net profit attributable to owners also improving consistently, including a rise from KRW 15.39bn in Q1 2026 to KRW 16.11bn in Q2 2026. This reflects simultaneous improvement across the core subsidiary Daeduck Electronics' business lines.
Daeduck Electronics operates across memory package substrates, FC-BGA, and MLB, allowing it to capture demand simultaneously from AI data centers, servers, autonomous driving, and satellite communications.
The MLB segment has seen aerospace-related revenue expand sharply quarter over quarter as new applications develop, while RF subsidiary Wisol is broadening its portfolio into 5G and automotive electronics components.
Total dividends more than doubled year over year in the 2025 fiscal year, and about 2.6 million treasury shares were retired following the announcement of a corporate value-up plan, marking a clear improvement in shareholder return metrics versus the past. Whether this expanded pace continues going forward has not been officially confirmed.
As a holding company without its own operating business, Daeduck's value is tied to its subsidiary stakes, so a persistent gap between net asset value and market price can exist.
Some view Daeduck as no exception to the discount structure typically seen among Korean holding companies, implying subsidiary earnings improvement may not be fully reflected in the holding company's share price.
The controlling family has gifted shares to two daughters on multiple occasions since 2022, and some view the expanded 2025 dividend and treasury share retirement as connected to this process.
Daeduck has also sold part of its Daeduck Electronics stake on the open market to raise funds, warranting attention to potential further changes in shareholding structure. Because succession and shareholder return policy appear intertwined, policy predictability is relatively low.
Most of the holding company's consolidated results depend on the semiconductor substrate cycle at Daeduck Electronics, meaning a renewed downturn there could shake holding-company earnings as well. This is underscored by the operating margin falling to 2.4% and then 0.7% during the 2023-2024 semiconductor downturn.
RF subsidiary Wisol's revenue scale is comparatively small, limiting its ability to offset swings in the core PCB business.
The timing overlap between founder-family share gifting and expanded dividends raises the possibility that future dividend and buyback policy could be influenced by the succession timeline.
There is also precedent for raising funds by selling Daeduck Electronics shares on the open market, creating risk of repeated changes to the subsidiary ownership structure. Minority shareholders need to continuously monitor the consistency and sustainability of these policies.
The FC-BGA and broader substrate cycle has previously seen profitability deteriorate sharply when capacity investment outpaced utilization. If the current supply shortage eases faster than expected or competitor capacity expansion accelerates, the pace of earnings improvement could slow. Fluctuations in raw material prices such as copper and T-glass could also add to cost pressure.
Daeduck previously expanded its stake in Daeduck Electronics via a tender offer to satisfy the Fair Trade Act's holding-company conduct restrictions, but has since sold some of that stake.
Additional funds may be needed to manage the ownership ratio going forward, and changes in stake levels could again raise questions about compliance with holding-company requirements.
Q3 2026 earnings disclosures for both Daeduck and Daeduck Electronics are expected, warranting a check on whether the streak of quarterly profit improvement continues.
Check whether Daeduck Electronics' FC-BGA utilization rate rises from the mid-70% range toward 80% and whether related revenue growth actually materializes.
Watch for disclosure of concrete plans (dividends, buybacks, reinvestment, etc.) for the use of NR Lab sale proceeds.
This is a point to check the scale and direction of the FY2026 dividend policy, as well as any further disclosures related to founder-family share gifting.
As a holding company without its own operating business, Daeduck's earnings and value are tied to the equity value of subsidiaries including Daeduck Electronics and Wisol.
Following an operating loss in Q2 2025, operating profit and net profit attributable to owners have improved for four consecutive quarters, driven by the recovery in core subsidiary Daeduck Electronics' substrate business.
Still, full-year 2025 net profit attributable to owners (KRW 3.54bn) finished below the 2024 level (KRW 22.60bn) due to first-half weakness, showing a clear gap versus the trailing four-quarter figure of KRW 38.12bn.
Dividend expansion and treasury share retirement have improved shareholder return metrics, but since some link this to funding the founder family's succession-related tax obligations, the sustainability of the policy warrants continued observation.
As a holding company, a discount structure between net asset value and market price may persist, operating as a separate variable from subsidiary earnings improvement.
Overall, Daeduck's path forward should be understood through three simultaneously operating factors: the industry cycle at Daeduck Electronics, governance issues tied to succession, and the holding-company discount structure.
Report written 2026-09-05 · Data as of 2026-09-04
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