Who has been buying Achilles Corporation stock?

8 distinct investors have filed 1 disclosed large-shareholding filings in Achilles Corporation (5142), most recently on 2025-07-23. 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 Achilles Corporation have?

Achilles Corporation has 1 buy-side and 9 sell-side disclosures on record, covering ¥36M ($235K) in total reported value, spanning 2021-10-22 to 2025-07-23.

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.

Achilles Corporation 5142

Company

アキレス株式会社Achilles Corporation

Investors

Buys

Total Value

¥36M ($235K)

Avg Return

+17.63%

Last Filing

2025-07-23

Achilles Corporation (5142) has 1 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥36M ($235K) in reported transaction value. The earliest filing StockDrifts holds for Achilles Corporation is dated 2021-10-22; the most recent is 2025-07-23. Across these filings the average return since disclosure is +17.63%, 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
2026-09-07	SELL	unknown	アセットマネジメントOne株式会社	other	151.4K	¥1,820	+5.1%	¥111M ($718K)
2026-09-07	SELL	unknown	みずほ信託銀行株式会社	unknown	0	¥1,820	+5.1%	¥82M ($530K)
2026-09-07	SELL	unknown	みずほ証券株式会社	other	18.8K	¥1,820	+5.1%	¥3M ($17K)
2026-09-07	SELL	unknown	株式会社みずほ銀行	strategic	496.1K	¥1,820	+5.1%	¥80M ($513K)
2025-07-23	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	539.7K	¥1,124	-53.6%	¥126M ($813K)
2025-07-23	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	20.3K	¥1,124	-	¥23M ($147K)
2025-07-23	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	44.8K	¥1,124	-53.6%	¥25M ($158K)
2025-07-23	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	213.1K	¥1,124	-53.6%	¥51M ($327K)
2022-12-19	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	75.2K	¥1,276	+35.3%	¥36M ($235K)
2022-12-19	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	208.9K	¥1,276	-35.3%	¥132M ($849K)
2022-12-19	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	352.3K	¥1,276	-35.3%	¥83M ($535K)
2022-12-19	SELL	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	427	¥1,276	-35.3%	¥26M ($170K)
2021-10-22	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	710.8K	¥1,351	-27.8%	¥43M ($277K)
2021-10-22	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	72.8K	¥1,351	-27.8%	¥66M ($429K)
2021-10-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	281.1K	¥1,351	-27.8%	¥126M ($816K)

Frequently asked questions

Who has been buying Achilles Corporation stock?: 8 distinct investors have filed 1 disclosed large-shareholding filings in Achilles Corporation (5142), most recently on 2025-07-23. 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 Achilles Corporation have?: Achilles Corporation has 1 buy-side and 9 sell-side disclosures on record, covering ¥36M ($235K) in total reported value, spanning 2021-10-22 to 2025-07-23.
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.