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Idemitsu Kosan Co.,Ltd.

Idemitsu Kosan Co.,Ltd.

IDKOY
Idemitsu Kosan Co.,Ltd.US flagOther OTC
17.60
USD
+0.72
- -
10.72BMarket Cap
Idemitsu Kosan Co.,Ltd.
IDKOY
(Other OTC)

Recent

price

17.60

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
7,782.71
9,150.54
10,778.83
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
Revenue per Share
14.95
151.75
160.98
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
Basic EPS, GAAP
-363.13
71.44
254.54
-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
- -
Free Cash Flow per Basic Share
15
15
20
22.5
20
20
20
20
25.65
36.41
74.09
56.11
48.09
68.13
56.78
69.02
- -
Dividend per Share
721.58
849.06
993.69
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
Book Value per Share
1,081.46
1,208.75
1,404.81
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
Tangible Book Value per Share
400
400
400
400
400
400
400
400
480
507
751
743
743
743
708
668
681
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
1,490,041
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
- -
- -
- -
- -
- -
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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.

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