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About the company
Diamond Electric Holdings Co Ltd is a Japan-based company mainly engaged in the manufacture and sale of electronic control devices such as ignition coils and electrical components for automobiles. The Company operates through three business segments. The Automotive Equipment segment is engaged in the development, manufacture, sale, and supply of maintenance services for automotive ignition coils and electrical components. The Energy Solutions segment is engaged in the development, manufacture, sale, and supply of maintenance services for power conditioners for solar power generation and hybrid systems for energy storage. The Electronic Devices segment is engaged in the development, manufacture, sale, and supply of maintenance services for ignition devices for home heating and cooling systems and hot water supply systems, electronic control devices, and other products.
- Revenue in JPY (TTM)94.26bn
- Net income in JPY1.87bn
- Incorporated2018
- Employees3.68k
- LocationDiamond Electric Holdings Co Ltd1-15-27, Tsukamoto, Yodogawa-kuOSAKA-SHI 532-0026JapanJPN
- Phone+81 663028211
- Fax+81 663028220
- Websitehttps://www.diaelec-hd.co.jp/
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Peer analysis
Key Information
- Key Information
- Stock Performance
- Per Share Data
- Efficiency
- Management Effectiveness
- Profitability
- Financial Strength
- Growth Rates
| Company | Revenue (TTM) | Net income (TTM) | Market cap | Employees | Price/earnings (TTM) | Price/book value (MRQ) | Price/cash flow (TTM) | Price/sales (TTM) | EPS (excl. extraordinary items, TTM) | EPS (incl. extraordinary items, TTM) | Revenue per share (TTM) | Book value per share (MRQ) | Asset turnover (TTM) | Inventory turnover (TTM) | Receivables turnover (TTM) | Revenues per employee (TTM) | Return on avg assets (TTM) | Return on avg assets (5 yr avg) | Return on investment (TTM) | Return on investment (5 yr avg) | Gross margin (TTM) | Gross margin (5 yr avg) | Net profit margin (TTM) | Net Profit margin (5 yr avg) | Quick ratio (MRQ) | Interest coverage (TTM) | Total debt to capital (MRQ) | Payout ratio (5 yr avg) | Revenue (YOY change %) | Revenue (5 yr growth rate) | Net income (YOY change %) | Net income (5 yr growth rate) | Capital expenditure (5 yr growth rate) | Dividend (5 yr growth rate) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| River Eletec Corp | 5.82bn | -213.23m | 4.02bn | 211.00 | -- | 0.8779 | 9.29 | 0.6903 | -25.91 | -25.91 | 706.91 | 526.26 | 0.5532 | 2.40 | 5.13 | 27,572,620.00 | -2.03 | 5.10 | -2.79 | 7.80 | 19.17 | 29.54 | -3.67 | 7.61 | 1.65 | -18.74 | 0.5036 | 18.15 | 4.48 | 4.93 | 40.35 | -- | 52.35 | -- |
| Kyoritsu Air Tech Inc | 11.96bn | 447.14m | 4.44bn | 341.00 | 7.98 | 0.3784 | 6.22 | 0.3711 | 92.79 | 92.79 | 2,481.74 | 1,955.71 | 0.8272 | 5.65 | 4.29 | 35,083,160.00 | 3.12 | 3.44 | 4.54 | 5.53 | 24.23 | 25.25 | 3.77 | 4.33 | 1.58 | -- | 0.1709 | 19.53 | -1.39 | 0.8515 | 2.11 | -5.49 | 8.59 | 0.00 |
| Okaya Electric Industries Co Ltd | 10.04bn | -1.88bn | 4.54bn | 1.06k | -- | 0.707 | -- | 0.4519 | -84.09 | -84.09 | 448.71 | 280.06 | 0.7015 | 4.22 | 3.29 | 9,502,096.00 | -13.15 | -1.80 | -18.25 | -2.38 | 7.94 | 19.05 | -18.74 | -2.16 | 1.47 | -100.39 | 0.38 | -- | -32.99 | -3.00 | -1,510.34 | -- | -16.95 | -- |
| Tecnisco Ltd | 3.51bn | -2.72bn | 4.95bn | 265.00 | -- | 3.11 | -- | 1.41 | -296.60 | -296.60 | 382.56 | 172.72 | 0.4822 | 3.34 | 2.80 | 13,240,870.00 | -37.40 | -- | -53.44 | -- | 6.50 | -- | -77.55 | -- | 1.09 | -28.31 | 0.7087 | -- | -28.21 | -- | -393.15 | -- | -- | -- |
| Tamagawa Holdings Co Ltd | 5.59bn | 268.65m | 5.35bn | 278.00 | 19.03 | 0.9264 | 8.68 | 0.9573 | 40.83 | 40.83 | 851.99 | 838.72 | 0.5292 | 1.58 | 3.37 | 20,100,630.00 | 2.54 | -- | 3.19 | -- | 30.29 | -- | 4.81 | -- | 1.50 | -- | 0.4046 | -- | -- | -- | -- | -- | -- | -- |
| Sonocom Co Ltd | 2.57bn | 236.55m | 5.57bn | 113.00 | 17.04 | 0.4462 | 14.16 | 2.16 | 65.36 | 65.36 | 711.84 | 2,496.50 | 0.270 | 11.81 | 3.19 | 22,786,020.00 | 2.48 | 2.20 | 2.57 | 2.33 | 31.38 | 31.89 | 9.19 | 9.23 | 14.16 | -- | 0.00 | 19.87 | 13.53 | 3.48 | -12.53 | 7.21 | -0.5433 | 3.71 |
| Sawafuji Electric Co Ltd | 22.96bn | -248.00m | 5.58bn | 850.00 | -- | 0.452 | 10.23 | 0.2432 | -57.48 | -57.48 | 5,321.87 | 2,858.51 | 0.9271 | 2.88 | 5.02 | 27,015,290.00 | -1.15 | 1.60 | -1.86 | 2.80 | 12.71 | 12.64 | -1.24 | 1.29 | 0.5794 | -- | 0.3139 | 31.91 | -11.75 | -4.68 | -52.22 | 4.10 | 8.16 | 5.06 |
| Diamond Electric Holdings Co Ltd | 94.26bn | 1.87bn | 5.77bn | 3.68k | 2.69 | 0.448 | 1.15 | 0.0612 | 222.86 | 222.86 | 11,214.47 | 1,339.39 | 1.19 | 3.15 | 6.86 | 25,606,360.00 | 2.40 | -0.3138 | 7.62 | -0.8163 | 16.32 | 14.34 | 2.01 | -0.2662 | 0.4731 | 13.43 | 0.768 | -- | -1.72 | 5.25 | 121.67 | -- | -13.37 | 7.39 |
| Otani Kogyo Co Ltd | 7.80bn | 283.18m | 6.03bn | 181.00 | 21.27 | 1.43 | 13.44 | 0.7732 | 363.46 | 363.46 | 10,008.64 | 5,398.92 | 1.04 | 3.31 | 3.99 | 43,080,550.00 | 3.78 | 3.97 | 5.36 | 5.89 | 20.30 | 20.08 | 3.63 | 3.41 | 1.44 | 45.84 | 0.1868 | 9.65 | -0.1532 | 5.61 | 10.34 | 10.62 | 17.17 | 0.00 |
| Himeji Rika Co Ltd | -100.00bn | -100.00bn | 6.07bn | 856.00 | -- | 1.20 | -- | -- | -- | -- | -- | 635.04 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.5507 | -- | 0.8575 | -- | 0.1768 | -- | -65.65 | -- | -- | -- |
| NFK Holdings Co Ltd | 2.01bn | 151.55m | 6.34bn | 83.00 | 38.44 | 1.11 | 35.98 | 3.15 | 3.38 | 3.38 | 45.18 | 117.44 | 0.3018 | 2.10 | 2.45 | 24,271,350.00 | 2.27 | 5.34 | 2.66 | 5.96 | 31.00 | 27.97 | 7.52 | 12.70 | 5.11 | -- | 0.0709 | 0.00 | -2.13 | -4.84 | -86.64 | -- | 26.42 | -- |
| Fuji Electric Industry Co Ltd | 3.87bn | 176.00m | 6.90bn | 109.00 | 33.42 | 0.5617 | 17.65 | 1.78 | 32.80 | 32.80 | 721.85 | 1,951.16 | 0.3435 | 2.12 | 2.69 | 35,532,090.00 | 1.56 | 2.26 | 1.66 | 2.39 | 29.71 | 33.70 | 4.54 | 6.67 | 7.96 | -- | 0.0113 | 73.35 | 5.48 | -0.0872 | -31.28 | -3.03 | -11.98 | 0.00 |
| JMACS Japan Co Ltd | 5.73bn | 289.49m | 7.19bn | 100.00 | 24.12 | 1.28 | 15.38 | 1.25 | 51.46 | 51.46 | 1,019.11 | 972.59 | 0.561 | 2.95 | 2.56 | 57,332,940.00 | 2.83 | 0.9302 | 3.81 | 1.22 | 25.96 | 22.86 | 5.05 | 1.64 | 1.59 | 15.16 | 0.3681 | 59.50 | -2.67 | 0.0209 | 63.24 | 11.67 | -39.37 | 0.00 |
| Origin Co Ltd | 27.49bn | -966.75m | 7.22bn | 1.04k | -- | 0.2472 | 47.69 | 0.2625 | -184.30 | -184.30 | 5,196.64 | 4,357.15 | 0.618 | 2.56 | 3.11 | 26,531,090.00 | -1.87 | 0.394 | -2.49 | 0.5402 | 20.96 | 23.78 | -3.03 | 0.5972 | 1.69 | -- | 0.0726 | -- | 2.12 | -2.39 | 94.30 | -- | 17.88 | 0.00 |
Data as of Feb 06 2026. Currency figures normalised to Diamond Electric Holdings Co Ltd's reporting currency: Japanese Yen JPY
7.46%Per cent of shares held by top holders
| Holder | Shares | % Held |
|---|---|---|
| Nomura Asset Management Co., Ltd.as of 08 Jan 2026 | 256.20k | 2.77% |
| Amova Asset Management Co., Ltd.as of 09 Jan 2026 | 120.50k | 1.30% |
| Daiwa Asset Management Co. Ltd.as of 30 Dec 2025 | 115.20k | 1.25% |
| Evolution Capital Management LLCas of 19 Jan 2026 | 100.40k | 1.09% |
| Mitsubishi UFJ Asset Management Co., Ltd.as of 08 Jan 2026 | 53.20k | 0.58% |
| BlackRock Japan Co. Ltd.as of 08 Jan 2026 | 14.50k | 0.16% |
| Nissay Asset Management Corp.as of 20 Nov 2024 | 12.90k | 0.14% |
| Asset Management One Co., Ltd.as of 08 Jan 2026 | 12.90k | 0.14% |
| Norinchukin Zenkyoren Asset Management Co., Ltd.as of 08 Jan 2026 | 2.40k | 0.03% |
| Resona Asset Management Co., Ltd.as of 10 Dec 2024 | 1.70k | 0.02% |
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Data from 30 Sep 2025 - 23 Jan 2026Source: FactSet Research Systems Inc.
