Who has been buying Asakuma Co.,Ltd stock?

4 distinct investors have filed 5 disclosed large-shareholding filings in Asakuma Co.,Ltd (7678), most recently on 2026-01-29. 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 Asakuma Co.,Ltd have?

Asakuma Co.,Ltd has 5 buy-side and 4 sell-side disclosures on record, covering ¥1.9B ($12.4M) in total reported value, spanning 2021-04-02 to 2026-01-29.

Where does StockDrifts get Asakuma 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.

Asakuma Co.,Ltd 7678

Company

株式会社あさくまAsakuma Co.,Ltd

Investors

Buys

Total Value

¥1.9B ($12.4M)

Avg Return

+135.53%

Last Filing

2026-01-29

Asakuma Co.,Ltd (7678) has 5 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥1.9B ($12.4M) in reported transaction value. The earliest filing StockDrifts holds for Asakuma Co.,Ltd is dated 2021-04-02; the most recent is 2026-01-29. 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 +135.53%, 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
2026-08-03	BUY	negotiated	有限会社あさしお Asashio Corporation	activist	440.2K	¥2,988	+4.6%	¥29M ($187K)
2026-08-03	SELL	negotiated	有限会社あさしお Asashio Corporation	activist	362.9K	¥2,988	-4.6%	¥261M ($1.7M)
2026-06-16	SELL	negotiated	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	activist	3.2M	¥5,710	-15.6%	¥381M ($2.5M)
2026-01-29	BUY	negotiated	有限会社あさしお Asashio Corporation	activist	450.0K	¥4,605	+21.0%	¥2.1B ($13.4M)
2025-08-05	BUY	negotiated	有限会社あさしお Asashio Corporation	activist	450.0K	¥4,220	+32.0%	¥1.9B ($12.3M)
2025-02-05	BUY	negotiated	有限会社あさしお Asashio Corporation	activist	450.0K	¥3,950	+41.0%	¥1.8B ($11.5M)
2024-08-05	BUY	negotiated	有限会社あさしお Asashio Limited Company	activist	450.0K	¥3,190	+74.6%	¥1.4B ($9.3M)
2024-08-05	BUY	negotiated	有限会社あさしお Asashio Limited Company	activist	450.0K	¥3,190	+74.6%	¥1.4B ($9.3M)
2024-02-05	BUY	negotiated	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	activist	3.3M	¥2,393	+132.8%	¥1.2B ($7.7M)
2024-02-05	SELL	negotiated	有限会社あさしお Asashio.co.ltd	activist	450.0K	¥2,393	-132.8%	¥3M ($17K)
2024-02-05	BUY	negotiated	有限会社あさしお Asashio.co.ltd	activist	450.0K	¥2,393	+132.8%	¥1M ($8K)
2024-02-05	BUY	negotiated	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	activist	3.3M	¥2,393	+132.8%	¥1.2B ($7.8M)
2024-02-01	BUY	unknown	近藤裕貴 kondo hiroki	strategic	153.4K	¥2,358	+136.2%	¥350M ($2.3M)
2024-02-01	BUY	unknown	近藤典子 Noriko Kondo	strategic	164.7K	¥2,358	+136.2%	¥378M ($2.4M)
2024-02-01	BUY	unknown	近藤典子 Noriko Kondo	strategic	164.7K	¥2,358	+136.2%	¥378M ($2.4M)
2024-02-01	BUY	unknown	近藤裕貴 kondo hiroki	strategic	153.4K	¥2,358	+136.2%	¥350M ($2.3M)
2022-03-10	SELL	unknown	近藤典子 Noriko Kondo	strategic	427.4K	¥1,586	-251.2%	¥99M ($638K)
2022-03-10	SELL	unknown	近藤裕貴 kondo hiroki	strategic	483.4K	¥1,586	-251.2%	¥108M ($699K)
2021-04-02	SELL	negotiated	有限会社あさしお Asashio.co.ltd	activist	450.0K	¥1,582	-252.1%	¥4M ($27K)
2021-04-02	BUY	negotiated	有限会社あさしお Asashio.co.ltd	activist	450.0K	¥1,582	+252.1%	¥4M ($27K)

Frequently asked questions

Who has been buying Asakuma Co.,Ltd stock?: 4 distinct investors have filed 5 disclosed large-shareholding filings in Asakuma Co.,Ltd (7678), most recently on 2026-01-29. 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 Asakuma Co.,Ltd have?: Asakuma Co.,Ltd has 5 buy-side and 4 sell-side disclosures on record, covering ¥1.9B ($12.4M) in total reported value, spanning 2021-04-02 to 2026-01-29.
Where does StockDrifts get Asakuma 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 Asakuma Co.,Ltd. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.