Who has been buying Ichiken Co., Ltd. stock?

4 distinct investors have filed 1 disclosed large-shareholding filings in Ichiken Co., Ltd. (1847), most recently on 2025-07-07. 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 Ichiken Co., Ltd. have?

Ichiken Co., Ltd. has 1 buy-side and 5 sell-side disclosures on record, covering ¥784M ($5.1M) in total reported value, spanning 2022-11-08 to 2025-07-07.

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.

Ichiken Co., Ltd. 1847

Company

株式会社イチケンIchiken Co., Ltd.

Investors

Buys

Total Value

¥784M ($5.1M)

Avg Return

+77.50%

Last Filing

2025-07-07

Ichiken Co., Ltd. (1847) has 1 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥784M ($5.1M) in reported transaction value. The earliest filing StockDrifts holds for Ichiken Co., Ltd. is dated 2022-11-08; the most recent is 2025-07-07. Across these filings the average return since disclosure is +77.50%, 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
2025-07-07	SELL	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	0	¥1,535	-125.7%	¥69M ($447K)
2025-07-07	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	24.6K	¥1,535	-	¥38M ($243K)
2025-07-07	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	291.8K	¥1,535	-125.7%	¥96M ($620K)
2025-06-25	BUY	Market Buy	株式会社マルハン MARUHAN Corporation	strategic	2.9M	¥1,520	+128.0%	¥784M ($5.1M)
2023-02-22	SELL	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	44.9K	¥910	-280.8%	¥72M ($462K)
2023-02-22	BUY	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	354.9K	¥910	-	-
2022-11-08	SELL	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	123.9K	¥890.5	-289.1%	¥67M ($435K)
2022-11-08	SELL	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	354.9K	¥890.5	-289.1%	¥1M ($8K)

Frequently asked questions

Who has been buying Ichiken Co., Ltd. stock?: 4 distinct investors have filed 1 disclosed large-shareholding filings in Ichiken Co., Ltd. (1847), most recently on 2025-07-07. 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 Ichiken Co., Ltd. have?: Ichiken Co., Ltd. has 1 buy-side and 5 sell-side disclosures on record, covering ¥784M ($5.1M) in total reported value, spanning 2022-11-08 to 2025-07-07.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.