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Idemitsu Kosan Co.,Ltd.

Idemitsu Kosan Co.,Ltd.

IDKOF
Idemitsu Kosan Co.,Ltd.US flagOther OTC
8.75
USD
- -
- -
10.60BMarket Cap
Idemitsu Kosan Co.,Ltd.
IDKOF
(Other OTC)

Recent

price

8.75

P/E

ratio

- -

div

yld

- -

ROIC.AI

2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
TTM
FRC
3,891.35
4,575.27
5,389.42
5,469.81
6,295.44
5,788.87
4,464.06
3,989.13
3,885.33
4,364.11
4,023.08
3,065.65
4,498.48
6,362.98
6,155.23
6,874.01
3,446.3
Revenue per Share
7.47
75.87
80.49
62.73
45.38
-172.5
-45
110.24
169.03
80.33
-15.26
23.49
188.03
170.67
161.32
77.83
46.67
Basic EPS, GAAP
-181.57
35.72
127.27
-16.17
-59.56
74.97
194.61
12.65
80.73
68.85
-108.4
25.32
26.01
-82.98
211.98
285.37
- -
Free Cash Flow per Basic Share
7.5
7.5
10
11.25
10
10
10
10
12.83
18.21
37.05
28.05
24.04
34.07
28.39
34.51
- -
Dividend per Share
360.79
424.53
496.85
550.31
585.83
401.02
347.1
447.83
595.81
626.34
383.56
382.77
547.4
684.5
851.41
957.08
949.04
Book Value per Share
540.73
604.38
702.41
795.08
862.06
756.68
642.81
747.48
921.85
842.4
577.9
602.74
758.78
901.04
1,087.5
1,109.33
1,189.43
Tangible Book Value per Share
800
800
800
800
800
800
800
800
960
1,014
1,503
1,486
1,486
1,486
1,417
1,337
1,362
Basic Weighted Avg Shares
3,112,305
3,659,301
4,310,348
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
Sales/Revenue/Turnover
4.91
6.6
3.2
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
Operating Margin (%)
83,903
81,266
63,615
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
- -
Depreciation Expense
5,977
60,683
64,376
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
Net Income, GAAP
63.33
37.44
44.27
46.55
47.45
- -
- -
26.41
21.38
40.03
- -
45.44
28.67
27.99
30.58
35.58
36.48
Effective Tax Rate (%)
0.19
1.66
1.49
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
Profit Margin (%)
44,351
143,493
152,424
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
Working Capital
609,732
596,258
547,303
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
LT Debt
497,286
540,880
614,511
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
Total Equity
3.89
10.03
4.95
3.72
2.37
- -
- -
6.35
9.01
5.84
- -
3.04
11.64
6.82
7.6
3.42
2.9
Return on Invested Capital (%)
0.86
5.18
5.13
3.97
2.48
- -
- -
6.94
11.23
5.21
- -
2.14
14.2
11.47
9.76
4.67
2.82
Return on Capital (%)
2.08
19.32
17.47
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
Return on Common Equity (%)

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
1,463,284
- -
1,372,631

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
31.3
- -
- -
- -
161.32
2025
- -
- -
- -
- -
77.83
2026
- -
- -
- -
- -
- -

Quarterly Dividends Per Share

FRC

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
- -
- -
- -
- -
28.39
2025
- -
- -
- -
- -
34.51
2026
- -
- -
- -
- -
- -
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Business
Idemitsu Kosan Co.,Ltd. is a leading Japanese petroleum company primarily engaged in the manufacture and sale of petroleum products, petrochemical raw materials, and functional materials. Its core product portfolio includes gasoline, kerosene, diesel fuel, jet fuel, lubricants, plastic resins, and various industrial chemicals derived from crude oil refining processes. The company also operates in the renewable energy sector, focusing on carbon-neutral solutions including biofuels, clean hydrogen production, and electric parts cooling oils. Additionally, it provides energy infrastructure and materials for the petrochemical industry. Idemitsu serves diverse markets across Japan, Southeast Asia, and Europe, with a comprehensive energy supply chain extending to transportation and retail fuel networks. Founded in 1911 and headquartered in Tokyo, Japan, Idemitsu Kosan continues to evolve its business with strategic expansions and innovations aimed at carbon neutrality and sustainability. In recent developments, the company has partnered with Norsepower to equip two very large crude carriers (VLCCs) with wind rotor sails, marking a key step in reducing emissions in maritime logistics. It is also undertaking a joint feasibility study with Hatch Blue for a blue carbon business and advancing clean hydrogen production from waste. In 2024, Idemitsu acquired an 8.75% stake in Fuji Oil, strengthening its strategic partnership to enhance operational efficiencies and market presence. The company plans to consolidate its ethylene production operations with Mitsui Chemicals by fiscal 2027 to optimize production and shift toward sustainable chemical manufacturing. Digital transformation investments, including ERP strategic partnerships, underpin ongoing operational reforms to improve capital efficiency and foster innovation. Idemitsu maintains a resolute focus on achieving carbon neutrality by 2050 through diversified energy and resource conservation solutions. Idemitsu Kosan operates through key business segments including Petroleum, Basic Chemicals, Functional Materials, Power and Renewable Energy, and Resources. Its renewable initiatives are supported by significant R&D investments and operational shifts such as phasing out hydrocarbon refining at certain plants to pivot towards carbon-free energy hubs leveraging solar and hydrogen technologies. The company’s international expansion and sustainable practices position it as a major integrated energy and chemical company advancing both traditional fuel supplies and low-carbon energy solutions worldwide.