Idemitsu Kosan Co.,Ltd.

IDKOY·OTC Markets OTCPK·Energy

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18.22−0.61 (−3.24%)today

At close: Nov 4, 4:00 PM EST · May be delayed up to 15 min · USD

Key statistics

Previous close18.83

Open17.89

Day range17.8918.29

52-week range13.4522.79

Off day high−0.38%

Off 52-week high−20.05%

Volume11.00K

Avg. volume (3M)1.56K

Market cap10.92B

EPS (TTM)4.09

Forward P/E—

P/E ratio (TTM)4.45

Dividend yield2.51% (0.4600)

Beta (5Y)0.26

Shares outstanding599.31M

Short interest—

Earnings dateAug 4, 2025

Analyst target—

Profit margin4.24%

Against its peers

Compare in full ›

	IDKOY	CSAN3.SA	IEP	TOP.BK	8037.T	GULFPETRO.BO
Market cap	10.92B	9.43B	4.04B	125.09B	146.12B	3.29B
P/E (TTM)	4.5	—	—	3.9	10.8	6.6
Forward P/E	—	4.0	6.6	6.4	16.0	—
Price/book	1.0	1.9	2.6	0.6	0.8	0.9
Dividend yield	2.51%	—	37.45%	4.63%	2.90%	0.78%
1-year change	+40.00%	−60.69%	−41.64%	+70.42%	+58.44%	+60.85%
Today	−3.24%	+5.29%	−0.19%	−7.44%	+1.81%	+0.48%

The closest companies by business and industry (Oil & Gas Refining & Marketing). Prices may be delayed up to 20 min.

Related companies

Compare ›

The businesses closest to Idemitsu Kosan's by what they do, from their descriptions, with the same industry weighted in.

Company	Mkt cap	Price	Today
Cosan S.A.CSAN3.SA · Oil & Gas Refining & Marketing	9.43B	2.3900	+5.29%
Icahn Enterprises L.P.IEP · Oil & Gas Refining & Marketing	4.04B	5.34	−0.19%
Thai Oil Public Company LimitedTOP.BK · Oil & Gas Refining & Marketing	125.09B	56.00	−7.44%
Kamei Corporation8037.T · Oil & Gas Refining & Marketing	146.12B	4,770.00	+1.81%
GP Petroleums LimitedGULFPETRO.BO · Oil & Gas Refining & Marketing	3.29B	64.44	+0.48%
Sinanen Holdings Co., Ltd.8132.T · Oil & Gas Refining & Marketing	80.52B	7,450.00	+4.05%
IRPC Public Company LimitedNVPF.F · Oil & Gas Refining & Marketing	1.29B	0.0630	−2.33%
San-Ai Obbli Co., Ltd.8097.T · Oil & Gas Refining & Marketing	147.08B	2,390.00	+0.97%

Other companies in Oil & Gas Refining & Marketing, closest in size first.

Company	Mkt cap	Price	Today
MOL Magyar Olaj- és Gázipari Nyilvánosan Muködo RészvénytársaságMOGB.F · Budapest, Hungary	10.82B	13.69	+0.59%
PBF Energy Inc.PBF · Parsippany, NJ	8.61B	72.62	−6.67%
Sinopec Shanghai Petrochemical Company Limited0338.HK · Shanghai, China	13.02B	1.235	−1.20%
Cosan S.A.CSAN3.SA · São Paulo, SP	9.43B	2.3900	+5.29%
Sunoco LPSUN · Dallas, TX	12.18B	64.67	−6.28%
Qatar Fuel Company Q.P.S.C. ("WOQOD")QFLS.QA · Doha, Qatar	13.52B	13.60	+3.19%
Siamgas and Petrochemicals Public Company LimitedSGP.BK · Bangkok, Thailand	15.35B	8.35	0.00%
Kunlun Energy Company LimitedCTJ1.F · Hong Kong, Hong Kong	7.28B	0.8450	−1.74%

Energy companies of a similar market value (10.92B).

Company	Mkt cap	Price	Today
Guizhou Panjiang Refined Coal Co.,Ltd.600395.SS · Thermal Coal	10.71B	4.9900	−2.35%
MOL Magyar Olaj- és Gázipari Nyilvánosan Muködo RészvénytársaságMOGB.F · Oil & Gas Refining & Marketing	10.82B	13.69	+0.59%
United Energy Group Limited0467.HK · Oil & Gas E&P	11.19B	0.435	−2.25%
COSCO SHIPPING Energy Transportation Co., Ltd.HIFH.F · Oil & Gas Midstream	9.61B	1.7560	−8.73%
Antero Resources CorporationAR · Oil & Gas E&P	11.50B	37.43	−6.26%
Frontline plcFRO · Oil & Gas Midstream	10.79B	48.48	−7.57%
South Bow CorporationSOBO.TO · Oil & Gas Midstream	9.92B	47.58	−2.46%
Sinopec Kantons Holdings Limited0934.HK · Oil & Gas Midstream	10.09B	4.060	−0.25%

Also based in Chiyoda, Japan, then elsewhere in Japan.

Company	Mkt cap	Price	Today
Mitsubishi UFJ Financial Group, Inc.MUFG · Chiyoda, Japan	247.29B	21.97	+3.29%
Advantest CorporationVAN.F · Chiyoda, Japan	121.14B	167.76	−12.64%
Mizuho Financial Group, Inc.MFG · Chiyoda, Japan	118.31B	9.80	+2.73%
Tokio Marine Holdings, Inc.8766.T · Chiyoda, Japan	17.10T	606.00	+4.72%
Mitsui & Co., Ltd.8031.T · Chiyoda, Japan	14.29T	5,039.00	+2.84%
NTT, Inc.9432.T · Chiyoda, Japan	13.32T	164.90	+0.55%
Mitsubishi Heavy Industries, Ltd.7011.T · Chiyoda, Japan	10.26T	3,052.00	−6.15%
Mitsubishi Electric Corporation6503.T · Chiyoda, Japan	9.72T	4,751.00	−1.25%

Companies that serve the same markets: aerospace, energy, chemicals & materials, insurance.

Company	Mkt cap	Price	Today
Phillips 66PSX · aerospace · chemicals & materials · energy	101.27B	259.63	−4.53%
Exxon Mobil CorporationXOM.NE · aerospace · chemicals & materials · energy	979.42B	30.32	−4.74%
Koninklijke Vopak N.V.VPK.AS · aerospace · chemicals & materials · energy	6.15B	54.00	+0.37%
MOL Magyar Olaj- és Gázipari Nyilvánosan Muködo RészvénytársaságMOL.BD · aerospace · chemicals & materials · energy	3.94T	4,978.00	−2.39%
Nihon Tokushu Toryo Co., Ltd.4619.T · aerospace · chemicals & materials · insurance	55.34B	2,599.00	−0.61%
Saudi Arabian Oil Company2222.SR · aerospace · chemicals & materials · insurance	6.32T	26.14	−0.38%
Abundia Global Impact Group IncAGIG · aerospace · chemicals & materials · energy	39.25M	0.8890	+2.95%
Repsol, S.A.REP.F · aerospace · chemicals & materials · insurance	31.59B	29.46	−2.48%

What visitors to Idemitsu Kosan's page also look at.

Company	Mkt cap	Price	Today
Eneos Holdings Inc.JXHLY	22.58B	17.04	−2.80%
Inpex Corp.IPXHY	27.37B	23.81	−4.42%
Kunlun Energy Co., Ltd.KLYCY	8.28B	9.60	0.00%
Isuzu Motors, Ltd.ISUZY	9.02B	13.12	+1.86%
Kajima Corp.KAJMY	13.90B	30.09	−0.86%

From the 4SEARCH.business instruments index: what each company does (its business description), its industry, size, headquarters and the markets it serves; and from a year of daily prices, which move together. Prices may be delayed up to 20 min.

Latest news

All IDKOY news ›

MarketScreener·6d agoPositive

Seibii, Inc. announced that it has received funding from ORIX Corporation, Tokyo Century Corporation, Idemitsu Kosan Co.,Ltd.

Seibii, Inc. announced that it has received a round of funding on August 4, 2026. The transaction included participation from new investors ORIX Corporation, Tokyo Century Corporation and Idemitsu... Published on 08/04/2026 at 10:21 am EDT…

SEIC

@arabnewsjp·Oct 21Positive

Japan’s Idemitsu Kosan plans to import non-Mideast LNG to diversify supply: Nikkei

TOKYO: Amid ongoing instability in the Middle East and rising global electricity demand, Japanese petroleum refiner Idemitsu Kosan is moving to diversify its energy sources. According to Nikkei, the company announced in March a $500…

XOM

From the 4Search news index, newest first.

In the news

2mentions in 30 days

2with it in the headline

Positivesentiment

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arabnews.jp1
marketscreener.com1

Finance and business coverage in the 4SEARCH.business news index: articles that name it in the headline, or in the text beside its ticker. Sentiment is the index's own reading of the latest 2 articles, not a forecast.

About

Profile ›

Idemitsu Kosan Co., Ltd. is a Japanese petroleum company. It owns and operates oil platforms, refineries, produces and sells petroleum, oils and petrochemical products, and also operates gas stations under the apollostation brand and until 2023, in its own Idemitsu and Shell brands; the Shell brand being used under the license of Shell.

From Wikipedia, CC BY-SA 4.0

SectorEnergy

IndustryOil & Gas Refining & Marketing

Chief executiveNoriaki Sakai

Employees14,392

HeadquartersChiyoda, Japan

Websiteidemitsu.com

Earnings

Reported EPS
Estimate

Next report: Mon, Aug 4, 2025

Quarterly results

Financials ›

Revenue
Net income
Net margin 9.6% (Q2 '26)

Prices may be delayed up to 15 min. Not investment advice.

Track record

Leaderboard ›

Days on the list	30 d	1 yr	Best
Gainers	0	0	—
Losers	0	0	—
Most active	0	0	—
Most widely held	0	0	—
Trending	0	0	—

Not eligible for Small-cap gainers, Aggressive small caps (U.S. stocks worth under $2 billion only).

Not eligible for Growth tech (U.S. technology stocks only).

A day counts when it ranked in the top 25 of a list. Tracked since Oct 10, 2026.

Market data is provided for information only and comes from free public sources. Prices may be delayed up to 15 minutes; data may be incomplete or inaccurate. Nothing on this page is investment advice or a recommendation to buy or sell any security. News and coverage analytics are drawn from the 4SEARCH.business index. Terms of use. How to use Finance