Who has been buying Arata Corporation stock?

9 distinct investors have filed 5 disclosed large-shareholding filings in Arata Corporation (2733), most recently on 2023-10-05. 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 Arata Corporation have?

Arata Corporation has 5 buy-side and 7 sell-side disclosures on record, covering ¥2.8B ($18.0M) in total reported value, spanning 2021-03-18 to 2023-10-05.

Where does StockDrifts get Arata Corporation 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.

Arata Corporation 2733

Company

株式会社あらたArata Corporation

Investors

Buys

Total Value

¥2.8B ($18.0M)

Avg Return

+40.81%

Last Filing

2023-10-05

Arata Corporation (2733) has 5 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥2.8B ($18.0M) in reported transaction value. The earliest filing StockDrifts holds for Arata Corporation is dated 2021-03-18; the most recent is 2023-10-05. 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 +40.81%, 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
2026-06-12	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	155.8K	¥2,481	+2.1%	¥386M ($2.5M)
2026-06-12	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	1.2M	¥2,481	+2.1%	¥555M ($3.6M)
2026-06-12	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	2.0M	¥2,481	-2.1%	¥1.1B ($7.1M)
2026-06-11	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	155.8K	¥2,478	+2.2%	¥386M ($2.5M)
2026-06-11	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	951.2K	¥2,478	+2.2%	¥1.1B ($6.9M)
2026-06-11	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	2.5M	¥2,478	-2.2%	¥840M ($5.4M)
2026-06-08	SELL	unknown	フィデリティ・マネジメント・アンド・リサーチ・ジャパン株式会社	other	114.0K	¥2,502	-0.4%	¥1.9B ($12.0M)
2026-06-08	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	261.8K	¥2,502	+0.4%	¥401M ($2.6M)
2026-06-08	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	1.4M	¥2,502	+0.4%	¥1.8B ($11.6M)
2023-10-05	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	233.4K	¥2,665	-8.6%	¥120M ($775K)
2023-10-05	SELL	unknown	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	504.5K	¥2,665	-8.6%	¥370M ($2.4M)
2023-07-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	596.7K	¥2,400	+20.5%	¥1.4B ($9.1M)
2023-07-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	19.2K	¥2,400	-20.5%	¥69M ($447K)
2023-07-21	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	13.8K	¥2,400	-20.5%	¥601M ($3.9M)
2022-05-19	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	277.8K	¥1,887.5	+53.3%	¥524M ($3.4M)
2022-05-19	BUY	unknown	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	644.3K	¥1,887.5	+53.3%	¥1.2B ($7.8M)
2021-12-07	SELL	subscription	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	399.8K	¥2,022.5	-43.0%	¥284M ($1.8M)
2021-12-07	BUY	subscription	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	343.4K	¥2,022.5	+43.0%	¥270M ($1.7M)
2021-12-07	SELL	subscription	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	114.9K	¥2,022.5	-43.0%	¥55M ($353K)
2021-12-07	SELL	subscription	株式会社みずほ銀行 Mizuho Bank, Ltd.	unknown	0	¥2,022.5	-43.0%	¥259M ($1.7M)
2021-03-18	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	268.4K	¥2,160.355	+33.9%	¥580M ($3.7M)

Frequently asked questions

Who has been buying Arata Corporation stock?: 9 distinct investors have filed 5 disclosed large-shareholding filings in Arata Corporation (2733), most recently on 2023-10-05. 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 Arata Corporation have?: Arata Corporation has 5 buy-side and 7 sell-side disclosures on record, covering ¥2.8B ($18.0M) in total reported value, spanning 2021-03-18 to 2023-10-05.
Where does StockDrifts get Arata Corporation 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 Arata Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.