Who has been buying ARIAKE JAPAN Co., Ltd. stock?

10 distinct investors have filed 17 disclosed large-shareholding filings in ARIAKE JAPAN Co., Ltd. (2815), most recently on 2026-05-07. 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 ARIAKE JAPAN Co., Ltd. have?

ARIAKE JAPAN Co., Ltd. has 17 buy-side and 5 sell-side disclosures on record, covering ¥115.3B ($743.6M) in total reported value, spanning 2021-03-19 to 2026-05-07.

Where does StockDrifts get ARIAKE JAPAN 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.

ARIAKE JAPAN Co., Ltd. 2815

Company

アリアケジャパン株式会社ARIAKE JAPAN Co., Ltd.

Investors

Buys

Total Value

¥115.3B ($743.6M)

Avg Return

+7.97%

Last Filing

2026-05-07

ARIAKE JAPAN Co., Ltd. (2815) has 17 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥115.3B ($743.6M) in reported transaction value. The earliest filing StockDrifts holds for ARIAKE JAPAN Co., Ltd. is dated 2021-03-19; the most recent is 2026-05-07. 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 +7.97%, 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
2026-06-26	SELL	Market Buy	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	1.8M	¥5,010	-5.8%	¥1.7B ($10.9M)
2026-06-05	SELL	Market Buy	アーチザン・インベストメンツ・ジーピー・エルエルシー(Artisan Investments GP LLC) Artisan Investments GP LLC	passive	1.4M	¥5,180	+1.0%	¥1.7B ($11.2M)
2026-05-07	SELL	Market Buy	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	2.2M	¥5,440	+4.8%	¥1.8B ($11.5M)
2026-03-23	BUY	Market Buy	岡田直己	other	512.0K	¥5,530	-2.2%	¥2.9B ($18.7M)
2026-03-23	BUY	Market Buy	ジャパンフードビジネス株式会社代表取締役岡田直己	other	10.7M	¥5,530	+2.2%	¥60.6B ($390.7M)
2025-08-18	SELL	Market Buy	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	2.5M	¥5,910	+4.4%	¥2.0B ($12.9M)
2024-11-08	BUY	Market Buy	アーチザン・インベストメンツ・ジーピー・エルエルシー(Artisan Investments GP LLC) Artisan Investments GP LLC	passive	1.7M	¥5,450	+3.7%	¥9.3B ($60.0M)
2024-10-04	BUY	unknown	インベスコアドバイザーズインク(Invesco Advisers Invesco Advisers, Inc.	other	1.3M	¥5,410	+4.4%	¥6.9B ($44.4M)
2024-10-04	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	75.9K	¥5,410	+4.4%	¥411M ($2.6M)
2024-09-27	BUY	Market Buy	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	2.8M	¥5,380	+5.0%	¥2.0B ($13.0M)
2024-09-12	BUY	Market Buy	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	2.4M	¥5,060	+11.7%	¥2.3B ($14.6M)
2024-09-04	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.2M	¥4,635	+21.9%	¥5.7B ($36.6M)
2024-09-04	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	20.6K	¥4,635	-21.9%	¥106M ($687K)
2024-01-19	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.6M	¥4,480	+26.1%	¥7.3B ($46.8M)
2024-01-19	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	44.2K	¥4,480	+26.1%	¥198M ($1.3M)
2023-11-07	BUY	unknown	インベスコアドバイザーズインク(Invesco Advisers, Inc.) Invesco Advisers, Inc.	other	1.7M	¥4,905	+15.2%	¥8.4B ($54.4M)
2023-08-09	BUY	acquisition	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	2.0M	¥5,036	+12.2%	¥1.7B ($10.8M)
2023-08-09	BUY	Market Buy	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	2.0M	¥5,036	+12.2%	¥1.7B ($10.8M)
2023-06-21	BUY	Market Buy	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	1.7M	¥5,349	+5.6%	¥8.9B ($57.5M)
2023-06-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.6M	¥5,035	+12.2%	¥7.9B ($50.8M)
2023-06-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	2.3K	¥5,035	+12.2%	¥1.4B ($9.3M)
2023-04-20	SELL	unknown	インベスコアドバイザーズインク(Invesco Advisers, Inc.) Invesco Advisers, Inc.	other	1.6M	¥5,200	-8.7%	¥580M ($3.7M)
2023-04-20	BUY	unknown	インベスコアドバイザーズインク(Invesco Advisers, Inc.) Invesco Advisers, Inc.	other	1.6M	¥5,200	+8.7%	¥580M ($3.7M)
2022-08-19	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.0M	¥4,965	+13.8%	¥1.6B ($10.5M)
2022-08-19	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	42.9K	¥4,965	+13.8%	¥213M ($1.4M)
2021-12-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.7M	¥6,730	-16.1%	¥11.2B ($72.3M)
2021-08-05	SELL	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	597.5K	¥6,480	+12.8%	¥2.6B ($16.7M)
2021-08-05	BUY	Market Buy	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	801.4K	¥6,480	-12.8%	¥872M ($5.6M)
2021-03-19	BUY	unknown	インベスコアドバイザーズインク(Invesco Advisers, Inc.) Invesco Advisers, Inc.	other	1.7M	¥6,137.438	-7.9%	¥10.4B ($66.8M)

Frequently asked questions

Who has been buying ARIAKE JAPAN Co., Ltd. stock?: 10 distinct investors have filed 17 disclosed large-shareholding filings in ARIAKE JAPAN Co., Ltd. (2815), most recently on 2026-05-07. 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 ARIAKE JAPAN Co., Ltd. have?: ARIAKE JAPAN Co., Ltd. has 17 buy-side and 5 sell-side disclosures on record, covering ¥115.3B ($743.6M) in total reported value, spanning 2021-03-19 to 2026-05-07.
Where does StockDrifts get ARIAKE JAPAN 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 ARIAKE JAPAN Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.