6699
DIAMOND ELECTRIC HOLDINGS CO.,LTD.
ダイヤモンドエレクトリックホールディングス株式会社
Electric Appliances
Diamond Electric Holdings Co., Ltd. engages in the automotive equipment, energy solutions, and electronic control equipment businesses in Japan. The company offers ignition coils, including pencil and square coil on plugs for automobiles, as well as ignition coils with ion current detection. It also provides electrical equipment, such as DC-DC converter for power regeneration, hybrid vehicles, and idling stops; controller for car air conditioners; body control units; on-board chargers; rotation sensors and harness assemblies; and switches for transmission. In addition, the company offers energy solutions, including solar inverters and hybrid systems with battery units, and TABUCHI-cloud, a remote monitoring service; power device products, such as reactors, normal and common mode choke coils, air core inductors, power and high voltage transformers, coils for IH cookers, and transformers for switching power supplies; and electronic control devices, including high voltage generators, controllers, and inverters. Diamond Electric Holdings Co., Ltd. was incorporated in 2018 and is headquartered in Osaka, Japan.
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← Companies
⚠ TSE Capital Mandate
P / Book
0.34×
Overview
Filings & Signals
Ownership
Financials
▾ Collapse Charts
Income Statement
Balance Sheet
Cash Flow
Ratios & Per Share
Metric
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
Net Sales
¥91.7B
¥93.3B
¥91.1B
¥76.3B
Cost of Sales
¥77.9B
¥80.8B
¥79.9B
¥65.1B
Gross Profit
¥13.8B
¥12.5B
¥11.2B
¥11.1B
SG&A
¥11.6B
¥12.3B
¥12.4B
¥10.6B
Operating Income
¥2.3B
¥230M
¥-1.2B
¥492M
Non-Operating Income
¥470M
¥1.8B
¥1.1B
¥1.2B
Dividend Income
¥18M
¥25M
¥23M
¥26M
Interest Income
¥50M
¥31M
¥13M
¥18M
Non-Operating Expenses
¥1.3B
¥758M
¥699M
¥455M
Interest Expense
¥818M
¥556M
¥387M
¥223M
Ordinary Income
¥1.5B
¥1.3B
¥-817M
¥1.3B
Pre-tax Income
¥1.4B
¥-704M
¥-906M
¥1.4B
Income Taxes
¥963M
¥1.2B
¥155M
¥146M
Current Tax
¥881M
¥991M
¥144M
¥454M
Deferred Tax
¥81M
¥176M
¥11M
¥-308M
Net Income (owners)
¥411M
¥-1.9B
¥-1.1B
¥1.3B
Minority Interest
¥22M
¥25M
¥13M
¥-16M
Comprehensive Income
¥1.4B
¥-513M
¥-388M
¥2.2B
EBITDA
¥5.4B
¥3.1B
¥1.5B
¥2.7B
Goodwill Amort. (J-GAAP)
¥6M
¥6M
¥6M
¥6M
EPS
¥49.14
¥-226.59
¥-139.52
¥179.04
Shares Outstanding
9.1M
9.1M
9.1M
8.0M
Shares Issued (total)
9.2M
9.1M
9.1M
8.2M
Treasury Shares
0.0M
0.0M
0.0M
0.1M
Metric
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
Total Assets
¥79.3B
¥82.0B
¥78.7B
¥68.7B
Current Assets
¥50.9B
¥52.7B
¥52.1B
¥46.0B
Cash & Deposits
¥7.5B
¥8.1B
¥9.6B
¥10.7B
Trade Receivables
¥12.5B
¥14.3B
¥14.0B
¥12.1B
Non-Current Assets
¥28.4B
¥29.3B
¥26.7B
¥22.7B
PP&E
¥19.0B
¥20.5B
¥18.5B
¥15.4B
Goodwill
¥20M
¥27M
¥33M
¥40M
Intangible Assets
¥563M
¥654M
¥581M
¥435M
Investment Securities
¥2.8B
¥2.9B
¥3.0B
¥2.9B
Deferred Tax Assets
¥428M
¥667M
¥727M
¥740M
Total Liabilities
¥67.7B
¥71.8B
¥67.8B
¥58.6B
Current Liabilities
¥53.5B
¥55.2B
¥48.5B
¥40.3B
Accounts Payable
¥10.1B
¥10.0B
¥9.9B
¥8.8B
ST Debt
¥24.9B
¥26.0B
¥22.6B
¥17.8B
Taxes Payable
¥438M
¥525M
¥40M
¥221M
Non-Current Liabilities
¥14.3B
¥16.6B
¥19.3B
¥18.2B
Total LT Borrowings
¥11.5B
¥13.4B
¥16.6B
¥15.6B
Pension Obligations
¥602M
¥473M
¥604M
¥845M
Deferred Tax Liab.
¥593M
¥698M
¥575M
¥656M
Total Equity
¥11.6B
¥10.3B
¥10.9B
¥10.2B
Capital Stock
¥1.2B
¥1.2B
¥1.2B
¥654M
Capital Surplus
¥8.2B
¥8.1B
¥10.3B
¥9.7B
Retained Earnings
¥99M
¥-198M
¥-375M
¥901M
Treasury Stock
¥-1.7B
¥-1.7B
¥-1.7B
¥-1.8B
AOCI
¥3.6B
¥2.6B
¥1.3B
¥600M
Equity (owners)
¥7.8B
¥7.5B
¥9.5B
¥9.5B
Minority Interests
¥160M
¥138M
¥114M
¥100M
Total Interest-Bearing Debt ⓘ
¥36.4B
¥39.4B
¥39.2B
¥33.4B
Net Cash ⓘ
¥-28.9B
¥-31.3B
¥-29.6B
¥-22.7B
NCAV ⓘ
¥-16.8B
¥-19.0B
¥-15.7B
¥-12.5B
NCAV/Share
¥-1,840
¥-2,091
¥-1,732
¥-1,563
BV/Share
¥858
¥826
¥1,045
¥1,182
Metric
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
Operating CF
¥3.6B
¥2.1B
¥-3.5B
¥-4.4B
Interest Paid
¥-837M
¥-514M
¥-445M
¥-233M
Interest Received
¥68M
¥56M
¥37M
¥45M
D&A
¥3.2B
¥2.8B
¥2.7B
¥2.2B
Goodwill Amort.
¥6M
¥6M
¥6M
¥6M
Investing CF
¥-638M
¥-4.0B
¥-2.8B
¥-3.9B
CapEx
¥1.3B
¥3.8B
¥2.6B
¥3.5B
Purchase Investments
¥-3M
¥-1M
¥-1M
¥-107M
Proceeds from Invest.
¥284M
—
—
¥7M
Financing CF
¥-3.8B
¥125M
¥4.9B
¥3.2B
Dividends Paid
¥-113M
¥-113M
¥-201M
¥-186M
Share Buybacks
¥0M
¥0M
¥0M
¥-1.6B
LT Debt Repaid
¥-6.1B
¥-4.0B
¥-3.9B
¥-14.0B
Free Cash Flow
¥2.2B
¥-1.7B
¥-6.1B
¥-7.9B
Net Change in Cash
¥-715M
¥-1.6B
¥-1.1B
¥-4.7B
Metric
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
ROE
3.8%
-18.1%
-10.3%
15.0%
ROA
0.5%
-2.4%
-1.5%
1.9%
EPS
¥49.14
¥-226.59
¥-139.52
¥179.04
DPS
¥25.00
¥12.50
¥25.00
¥25.00
BPS
¥1,354.74
¥1,211.21
¥1,287.38
¥1,380.52
FCF/Share
¥245
¥-184
¥-674
¥-981
NCAV/Share
¥-1,840
¥-2,091
¥-1,732
¥-1,563
Payout Ratio
50.9%
—
—
14.0%
Event Timeline
S Shareholder
A Capital Signal
▾ Hide Chart
Large Shareholder Reports 31
Date Activist Stake Event Flag Demands Source
2026-05-14
Evo Fund
33.82%
+8.06%
change
Passive
—
2026-04-24
Evo Fund
25.76%
-0.45%
change
Passive
—
2026-04-15
Evo Fund
26.21%
-0.69%
change
Passive
—
2026-04-06
Daiwa Securities Co.Ltd.
5.37%
initial_5pct
Passive
—
2026-04-03
Resona Bank, Limited.
8.73%
-1.68%
change
Passive
—
2026-03-26
Evo Fund
26.9%
-2.37%
change
Passive
—
2026-03-25
Evo Fund
29.27%
-0.62%
change
Passive
—
2026-03-18
Evo Fund
29.89%
-0.68%
change
Passive
—
2026-03-06
Evo Fund
30.57%
-0.41%
change
Passive
—
2026-03-03
Evo Fund
30.98%
-0.55%
change
Passive
—
2026-02-20
Evo Fund
31.53%
-0.69%
change
Passive
—
2026-02-12
Evo Fund
32.22%
-0.51%
change
Passive
—
2026-01-26
Evo Fund
32.73%
-0.27%
change
Passive
—
2026-01-20
Evo Fund
33.0%
-0.54%
change
Passive
—
2026-01-08
IKENAGA SHIGEHIKO
7.6%
-1.1%
initial_5pct
Passive
—
2025-12-19
Evo Fund
33.54%
+16.29%
change
Passive
—
2025-12-03
Evo Fund
17.25%
change
Passive
—
2025-12-03
Evo Fund
17.25%
correction
Passive
—
2025-08-21
Katsuno Hitoshi
5.16%
correction
Passive
—
2025-08-20
Katsuno Hitoshi
5.16%
initial_5pct
Passive
—
2025-08-14
Resona Bank, Limited.
10.41%
change
Passive
—
2025-01-08
IKENAGA TATSUO
3.28%
correction
Passive
—
2024-12-17
IKENAGA TATSUO
3.28%
change
Passive
—
2024-06-19
Evo Fund
16.02%
initial_5pct
Passive
—
2024-03-21
IKENAGA SHIGEHIKO
8.7%
correction
Passive
—
2024-03-13
IKENAGA SHIGEHIKO
8.7%
correction
Passive
—
2024-03-07
IKENAGA SHIGEHIKO
8.7%
correction
Passive
—
2024-01-18
IKENAGA SHIGEHIKO
8.7%
change
Passive
—
2023-10-19
Morgan Stanley MUFG Securities Co., Ltd.
0.25%
change
Passive
—
2023-06-22
Bayview Asset Management Co., Ltd.
2.96%
-2.46%
change
Passive
—
2023-06-07
Bayview Asset Management Co., Ltd.
5.42%
change
Passive
—
Top 10 Shareholders
Ownership DNA
Cross-Holdings Tracker 1
#
Shareholder
Shares (thou.)
% of Total
1
Custody Bank of Japan, Ltd. (Trust Account)
株式会社日本カストディ銀行(信託口)
790,600
8.66%
2
The Master Trust Bank of Japan, Ltd. (Trust Account)
日本マスタートラスト信託銀行株式会社(信託口)
786,500
8.62%
3
ダイヤモンドエンジニアリング株式会社
667,516
7.31%
4
All Diamond Shareholders
441,900
4.84%
5
池永 辰朗
210,490
2.31%
6
豊栄産業株式会社
140,000
1.53%
7
ダイヤモンドエレクトリックHD傍楽仲間達持株会
99,826
1.09%
8
JP JPMSE LUX RE NOMURA INT PLC 1 EQ CO(常任代理人 株式会社三菱UFJ銀行)
84,150
0.92%
9
JPモルガン証券株式会社
81,468
0.89%
10
株式会社三井住友銀行
80,240
0.88%
Domestic Nominees
17.3%
+1.8% vs 2024
Trust bank custodians — GPIF, pensions, investment trusts
Foreign Custodians
0.0%
+0.0% vs 2024
Sub-custodians for foreign asset managers
Direct / Strategic
19.8%
-0.7% vs 2024
Named entities with disclosed investment intent
Shareholder
Trend
2023
2024
2025
日本カストディ銀行
14.51%
8.69%
8.66%
-0.03%
日本マスタートラスト信託銀行
6.51%
6.77%
8.62%
+1.85%
ダイヤモンドエンジニアリング
7.76%
7.56%
7.31%
-0.25%
All Diamond Shareholders
4.10%
4.45%
4.84%
+0.39%
池永 辰朗
2.31%
2.31%
2.31%
豊栄産業
1.54%
1.54%
1.53%
-0.01%
ダイヤモンドエレクトリックHD傍楽仲間達持株会
↑
0.95%
0.98%
1.09%
+0.11%
JP JPMSE LUX RE NOMURA INT PLC 1 EQ CO
NEW ENTRY
—
—
—
0.92%
NEW
JPモルガン証券
NEW ENTRY
—
—
—
0.89%
NEW
三井住友銀行
1.54%
1.54%
0.88%
-0.66%
池永 重彦
last seen 2024
Exited Top 10
1.08%
1.08%
—
東京短資
last seen 2024
Exited Top 10
—
0.99%
—
NOMURA PB NOMINEES LIMITED OMNIBUS-MARGIN (CASHPB)
last seen 2023
Exited Top 10
2.86%
—
—
Concentration (HHI)
ⓘ
350
211
237
3 fiscal years · top-10 holders per year · >2,500 HHI = high concentration · entity-resolved
Portfolio Book Value
¥256M
-4% since 2024
Holdings
1
Trend
1 building
vs 2024
Held Company
FY2025
¥256M total
FY2024
¥268M total
Book Val ¥M
Shares
Book Val ¥M
Shares
CORONA CORPORATION
株式会社コロナ
256
+0.0%
↑
278,486
268
278,484
M
Portfolio total
256
268
Book value in ¥M · ↓ reduced · ↑ increased vs prior year · M = mutual holding