Who has been buying The Hanshin Diesel Works, Ltd. stock?

5 distinct investors have filed 15 disclosed large-shareholding filings in The Hanshin Diesel Works, Ltd. (6018), most recently on 2026-04-30. 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 The Hanshin Diesel Works, Ltd. have?

The Hanshin Diesel Works, Ltd. has 15 buy-side and 13 sell-side disclosures on record, covering ¥9.8B ($63.5M) in total reported value, spanning 2021-08-06 to 2026-04-30.

Where does StockDrifts get The Hanshin Diesel Works, 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.

The Hanshin Diesel Works, Ltd. 6018

Company

阪神内燃機工業株式会社The Hanshin Diesel Works, Ltd.

Investors

Buys

Total Value

¥9.8B ($63.5M)

Avg Return

+69.79%

Last Filing

2026-04-30

The Hanshin Diesel Works, Ltd. (6018) has 15 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥9.8B ($63.5M) in reported transaction value. The earliest filing StockDrifts holds for The Hanshin Diesel Works, Ltd. is dated 2021-08-06; the most recent is 2026-04-30. 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 +69.79%, 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
2026-07-30	BUY	unknown	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥6,250	-4.0%	-
2026-07-30	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	553.1K	¥6,250	-4.0%	¥209M ($1.3M)
2026-05-29	BUY	unknown	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥6,310	-11.3%	-
2026-05-29	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	519.7K	¥6,310	-11.3%	¥209M ($1.3M)
2026-05-21	BUY	unknown	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥6,290	-19.6%	-
2026-05-21	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	486.5K	¥6,290	-19.6%	¥213M ($1.4M)
2026-04-30	BUY	unknown	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥5,640	+13.3%	-
2026-04-30	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	452.9K	¥5,640	+13.3%	¥183M ($1.2M)
2026-04-15	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥5,180	+2.3%	-
2026-04-15	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	420.4K	¥5,180	+2.3%	¥175M ($1.1M)
2026-03-23	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	153.0K	¥5,700	+8.1%	¥189M ($1.2M)
2026-03-23	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥5,700	+8.1%	-
2026-03-23	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	386.7K	¥5,700	-8.1%	¥2.0B ($13.1M)
2026-03-10	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥4,875	-7.5%	-
2026-03-10	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	352.1K	¥4,875	+7.5%	¥1.8B ($11.9M)
2026-02-18	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	186.0K	¥4,720	-11.0%	¥164M ($1.1M)
2026-02-18	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥4,720	-11.0%	-
2026-02-18	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	318.9K	¥4,720	+11.0%	¥1.7B ($10.8M)
2026-01-09	SELL	Market Buy	株式会社UH Partners 2	unknown	0	¥4,375	-19.8%	-
2026-01-09	SELL	Market Buy	光通信株式会社	passive	220.8K	¥4,375	-19.8%	¥1.2B ($7.5M)
2026-01-06	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥3,930	-33.3%	-
2026-01-06	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	283.3K	¥3,930	+33.3%	¥1.5B ($9.6M)
2025-12-03	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	passive	0	¥4,140	-26.6%	-
2025-12-03	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	passive	249.3K	¥4,140	+26.6%	¥1.3B ($8.4M)
2025-11-20	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	26.3K	¥3,735	-40.3%	¥124M ($798K)
2025-11-20	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	228.3K	¥3,735	+40.3%	¥853M ($5.5M)
2025-11-18	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	passive	0	¥3,630	+44.4%	-
2025-11-18	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	passive	215.3K	¥3,630	+44.4%	¥153M ($989K)
2025-11-10	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	passive	0	¥3,610	+45.1%	-
2025-11-10	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	passive	173.3K	¥3,610	+45.1%	¥626M ($4.0M)
2025-11-05	SELL	Market Buy	株式会社エスアイエル SIL Co., Ltd.	unknown	0	¥3,620	-44.8%	¥92M ($592K)
2025-11-05	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	59.3K	¥3,620	+44.8%	¥215M ($1.4M)
2025-11-05	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	228.3K	¥3,620	-44.8%	¥27M ($174K)
2025-09-29	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	236.0K	¥3,285	-59.5%	¥15M ($96K)
2025-09-29	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	59.3K	¥3,285	-59.5%	¥53M ($344K)
2025-09-29	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	25.3K	¥3,285	+59.5%	¥83M ($536K)
2025-09-05	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	25.3K	¥3,055	+71.5%	¥77M ($499K)
2025-09-05	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	75.6K	¥3,055	-71.5%	¥99M ($640K)
2025-09-05	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	240.5K	¥3,055	+71.5%	¥735M ($4.7M)
2025-08-12	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	25.3K	¥3,105	+68.8%	¥79M ($507K)
2025-08-12	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	240.5K	¥3,105	+68.8%	¥747M ($4.8M)
2025-08-12	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	108.3K	¥3,105	-68.8%	¥116M ($748K)
2025-07-04	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	25.3K	¥3,025	+73.2%	¥77M ($494K)
2025-07-04	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	145.4K	¥3,025	-73.2%	¥103M ($666K)
2025-07-04	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	240.5K	¥3,025	+73.2%	¥728M ($4.7M)
2025-04-15	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	25.3K	¥2,192	+139.1%	¥55M ($358K)
2025-04-15	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	240.5K	¥2,192	+139.1%	¥527M ($3.4M)
2025-04-15	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	179.5K	¥2,192	+139.1%	¥76M ($492K)
2024-10-11	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	25.3K	¥2,178	+140.6%	¥55M ($356K)
2024-10-11	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	144.8K	¥2,178	+140.6%	¥71M ($461K)

Showing the 50 most recent of 57 filings.

Frequently asked questions

Who has been buying The Hanshin Diesel Works, Ltd. stock?: 5 distinct investors have filed 15 disclosed large-shareholding filings in The Hanshin Diesel Works, Ltd. (6018), most recently on 2026-04-30. 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 The Hanshin Diesel Works, Ltd. have?: The Hanshin Diesel Works, Ltd. has 15 buy-side and 13 sell-side disclosures on record, covering ¥9.8B ($63.5M) in total reported value, spanning 2021-08-06 to 2026-04-30.
Where does StockDrifts get The Hanshin Diesel Works, 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 The Hanshin Diesel Works, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.