Idemitsu Kosan Co.,Ltd.

Idemitsu Kosan Co.,Ltd.

IDKOY
Idemitsu Kosan Co.,Ltd.US flagOther OTC
17.60
USD
+0.72
- -
10.72BMarket Cap
2013 Y
2014 Y
2015 Y
2016 Y
2017 Y
2018 Y
2019 Y
2020 Y
2021 Y
2022 Y
2023 Y
2024 Y
2025 Y
TTM
Revenue per Share
10,939.61
12,590.87
11,577.73
8,928.13
7,978.26
7,770.65
8,728.22
8,046.17
6,131.31
8,996.95
12,725.96
12,310.46
13,748.02
6,892.61
Basic EPS, GAAP
125.45
90.76
-345
-90.01
220.48
338.07
160.65
-30.52
46.99
376.06
341.35
322.64
155.66
93.33
Free Cash Flow per Basic Share
-32.34
-119.12
149.94
389.22
25.3
161.46
137.7
-216.8
50.65
52.02
-165.96
423.95
570.73
- -
Dividend per Share
22.5
20
20
20
20
25.65
36.41
74.09
56.11
48.09
68.13
56.78
69.02
- -
Book Value per Share
1,100.63
1,171.66
802.05
694.19
895.66
1,191.62
1,252.68
767.13
765.54
1,094.8
1,369
1,702.82
1,914.17
1,898.08
Tangible Book Value per Share
1,590.17
1,724.11
1,513.37
1,285.62
1,494.97
1,843.7
1,684.8
1,155.79
1,205.48
1,517.55
1,802.08
2,175.01
2,218.66
2,378.86
Basic Weighted Avg Shares
400
400
400
400
400
480
507
751
743
743
743
708
668
681
Sales/Revenue/Turnover
4,374,696
5,034,995
4,629,732
3,570,202
3,190,347
3,730,690
4,425,144
6,045,850
4,556,620
6,686,761
9,456,281
8,719,201
9,190,225
4,694,739
Operating Margin (%)
2.53
1.55
-2.26
-0.55
4.24
5.4
4.05
-0.06
3.07
6.5
2.99
3.97
1.76
3.05
Depreciation Expense
56,668
66,433
70,149
81,514
71,315
68,913
62,709
104,612
107,787
114,277
113,912
108,561
105,074
- -
Net Income, GAAP
50,167
36,294
-137,958
-35,993
88,164
162,307
81,450
-22,935
34,920
279,498
253,646
228,518
104,055
63,572
Effective Tax Rate (%)
46.55
47.45
- -
- -
26.41
21.38
40.03
- -
45.44
28.67
27.99
30.58
35.58
36.48
Profit Margin (%)
1.15
0.72
-2.98
-1.01
2.76
4.35
1.84
-0.38
0.77
4.18
2.68
2.62
1.13
1.35
Working Capital
127,067
120,430
-42,679
-78,510
-185,208
46,629
29,627
-98,132
44,230
306,815
568,082
724,345
552,451
676,644
LT Debt
513,875
584,546
602,658
615,639
579,115
586,171
581,168
648,133
737,468
720,767
669,232
619,056
519,879
537,232
Total Equity
687,947
743,785
630,382
537,660
619,931
905,927
878,930
1,200,563
1,215,134
1,436,510
1,629,306
1,812,530
1,737,697
1,884,215
Return on Invested Capital (%)
3.72
2.37
- -
- -
6.35
9.01
5.84
- -
3.04
11.64
6.82
7.6
3.42
2.9
Return on Capital (%)
3.97
2.48
- -
- -
6.94
11.23
5.21
- -
2.14
14.2
11.47
9.76
4.67
2.82
Return on Common Equity (%)
11.98
7.99
-34.96
-12.03
27.74
34.9
13.49
-3.79
6.1
40.43
27.71
20.56
8.37
5.17

Capital Structure

FRC

in mil. unless spec.
Mar'24
Jun'25
Sep'25
ST Debt
679,386
- -
562,096
LT Borrowings
619,056
- -
537,232
LT Finance Leases
- -
- -
- -
Preferred Equity and Hybrid Capital
- -
- -
- -
Shares Outstanding
1,379
- -
1,331
Market Capitalization
1,490,041
1,392,052
1,360,883

Working Capital

FRC

in mil. unless spec.
Mar'24
Jun'25
Sep'25
Total Current Assets
2,916,843
- -
2,532,451
Cash, Cash Equivalents & STI
139,325
- -
31,631
Accounts Receivable, Net
919,011
- -
767,780
Inventories
1,377,865
- -
1,310,023
Total Current Liabilities
2,192,498
- -
1,855,807
Payables & Accruals
- -
- -
- -
ST Debt
679,386
- -
562,096
Deferred Revenue
- -
- -
- -

Growth Rates

FRC

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
12.03%
7.99%
-4.13%
Free Cash Flow
-46.68%
-171.16%
27.06%
Net Income, GAAP
-13.82%
74.9%
-54.47%
Sales/Revenue/Turnover
9.98%
12.23%
5.4%
Total Cash Common Dividend
- -
-0.72%
14.72%

Quarterly Revenue

FRC

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
1,818,922
2,205,540
2,377,802
2,316,937
8,719,201
2025
- -
- -
- -
- -
9,190,225
2026
- -
- -
- -
- -
- -

Quarterly Earnings Per Share

FRC

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
62.6
- -
- -
- -
322.64
2025
- -
- -
- -
- -
155.66
2026
- -
- -
- -
- -
- -

Quarterly Dividends Per Share

FRC

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
- -
- -
- -
- -
56.78
2025
- -
- -
- -
- -
69.02
2026
- -
- -
- -
- -
- -

Company Description

APIChat
CEO
Noriaki Sakai
Full Time Employees
13,991
Sector
Energy
Industry
Oil & Gas Refining & Marketing
Address
2-1, Otemachi 1-chome Tokyo Japan 100-8321
IPO Date
Feb 22, 2012
Business
Idemitsu Kosan Co., Ltd. engages in the development, manufacture, and sale of energy sources and materials across petroleum, basic chemicals, high-performance materials, power and renewable energy, and resources segments primarily in Japan and internationally. The company refines crude oil into gasoline, diesel oil, kerosene, automotive and industrial lubricants, heavy oil, aviation and marine fuel; produces basic petrochemicals including olefins such as ethylene, propylene, and butadiene, aromatics like benzene, styrene monomer, mixed xylene, and paraxylene; supplies functional materials encompassing engineering plastics, electronic materials including OLED, asphalt, microbial pesticides, soil amendments, grease, and solid-state lithium-ion battery materials; operates thermal, solar, wind, biomass, and geothermal power plants with wholesale and retail electricity sales; and explores and produces oil, gas, coal, and uranium. Idemitsu Kosan operates approximately 6,000 service stations under the apollostation brand, petrochemical plants in Chiba and Tokuyama with Japan's largest ethylene capacity, refineries, oil terminals, and power facilities, targeting automotive, industrial, electronic, agricultural, and consumer markets through networks in about 20 countries and regions. Founded in 1911 as Idemitsu Shokai in Moji, Kitakyushu, and incorporated on March 30, 1940, the company is headquartered at 2-1 Otemachi 1-chome, Chiyoda-ku, Tokyo, Japan, with consolidated sales of 9.1 trillion yen and 150 group companies as of the latest fiscal year ended March 31. Recent developments include the 2019 merger with Showa Shell Sekiyu; the 2021 launch of the apollostation brand and the first all-solid-state lithium battery plant; the 2022 construction of the Tokuyama biomass power plant; the acquisition of an additional stake in Fuji Oil Co. Ltd. in August 2024, raising ownership to 21.79% and designating it an equity-method affiliate to enhance crude procurement, refining synergies, and decarbonization efforts; the planned consolidation of AGRO-KANESHO as a subsidiary by December 2024 to expand in agrochemicals; and an investment in German startup Ineratec in November 2025 to advance carbon-neutral fuel technologies via Fischer-Tropsch synthesis.

Company News

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