Who has been buying Japan Petroleum Exploration Co., Ltd. stock?

3 distinct investors have filed 7 disclosed large-shareholding filings in Japan Petroleum Exploration Co., Ltd. (1662), most recently on 2024-06-07. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Japan Petroleum Exploration Co., Ltd. have?

Japan Petroleum Exploration Co., Ltd. has 7 buy-side and 6 sell-side disclosures on record, covering ¥4.5B ($29.1M) in total reported value, spanning 2021-03-17 to 2024-06-07.

Where does StockDrifts get Japan Petroleum Exploration Co., Ltd. insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Japan Petroleum Exploration Co., Ltd. 1662

Company

石油資源開発株式会社Japan Petroleum Exploration Co., Ltd.

Investors

Buys

Total Value

¥4.5B ($29.1M)

Avg Return

+360.31%

Last Filing

2024-06-07

Japan Petroleum Exploration Co., Ltd. (1662) has 7 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥4.5B ($29.1M) in reported transaction value. The earliest filing StockDrifts holds for Japan Petroleum Exploration Co., Ltd. is dated 2021-03-17; the most recent is 2024-06-07. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is +360.31%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2024-06-07	SELL	unknown	オービス・インベストメント・マネジメント・リミテッド(Orbis Investment Management Limited) Orbis Investment Management Limited	other	2.7M	¥1,262	-71.8%	¥884M ($5.7M)
2023-10-06	SELL	unknown	オービス・インベストメント・マネジメント・リミテッド(Orbis Investment Management Limited) Orbis Investment Management Limited	other	3.4M	¥961	-125.6%	¥605M ($3.9M)
2023-05-22	SELL	Market Buy	株式会社INPEX INPEX CORPORATION	passive	2.3M	¥849	-155.4%	¥466M ($3.0M)
2023-04-13	BUY	Market Buy	株式会社INPEX INPEX CORPORATION	passive	2.8M	¥909	+138.5%	¥2.6B ($16.6M)
2023-01-17	BUY	unknown	オービス・インベストメント・マネジメント・リミテッド Orbis Investment Management Limited	other	4.0M	¥785	+176.2%	¥1.4B ($9.3M)
2023-01-17	SELL	unknown	オービス・インベストメント・マネジメント・(ガーンジー)・リミテッドLimited) Orbis Investment Management (Guernsey	other	0	¥785	-176.2%	¥1.2B ($7.6M)
2022-04-04	SELL	unknown	オービス・インベストメント・マネジメント・(ガーンジー)・リミテッドLimited) Orbis Investment Management (Guernsey	other	1.6M	¥524.6	-313.3%	¥309M ($2.0M)
2022-04-04	SELL	unknown	オービス・インベストメント・マネジメント・リミテッド Orbis Investment Management Limited	other	2.3M	¥524.6	-313.3%	¥261M ($1.7M)
2021-11-01	BUY	Market Buy	オービス・インベストメント・マネジメント・(ガーンジー)・リミテッドLimited) Orbis Investment Management (Guernsey	other	2.2M	¥423.6	+411.8%	¥92M ($594K)
2021-11-01	BUY	Market Buy	オービス・インベストメント・マネジメント・リミテッド Orbis Investment Management Limited	other	2.8M	¥423.6	+411.8%	¥186M ($1.2M)
2021-07-02	BUY	Market Buy	オービス・インベストメント・マネジメント・リミテッド Orbis Investment Management Limited	other	2.3M	¥398.4	+444.2%	¥155M ($999K)
2021-07-02	BUY	Market Buy	オービス・インベストメント・マネジメント・(ガーンジー)・リミテッドLimited) Orbis Investment Management (Guernsey	other	1.9M	¥398.4	+444.2%	¥121M ($779K)
2021-03-17	BUY	Market Buy	オービス・インベストメント・マネジメント・(ガーンジー)・リミテッド(Orbis Investment Management (Guernsey) Limited) Orbis Investment Management (Guernsey) Limited	other	1.6M	¥364.046	+495.5%	¥160M ($1.0M)

Frequently asked questions

Who has been buying Japan Petroleum Exploration Co., Ltd. stock?: 3 distinct investors have filed 7 disclosed large-shareholding filings in Japan Petroleum Exploration Co., Ltd. (1662), most recently on 2024-06-07. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Japan Petroleum Exploration Co., Ltd. have?: Japan Petroleum Exploration Co., Ltd. has 7 buy-side and 6 sell-side disclosures on record, covering ¥4.5B ($29.1M) in total reported value, spanning 2021-03-17 to 2024-06-07.
Where does StockDrifts get Japan Petroleum Exploration Co., Ltd. insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Japan Petroleum Exploration Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.