Who has been buying Sato Holdings Corporation stock?

10 distinct investors have filed 10 disclosed large-shareholding filings in Sato Holdings Corporation (6287), most recently on 2026-05-12. 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 Sato Holdings Corporation have?

Sato Holdings Corporation has 10 buy-side and 14 sell-side disclosures on record, covering ¥16.2B ($104.8M) in total reported value, spanning 2021-07-07 to 2026-05-12.

Where does StockDrifts get Sato Holdings 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.

Sato Holdings Corporation 6287

Company

株式会社サトーSato Holdings Corporation

Investors

Buys

Total Value

¥16.2B ($104.8M)

Avg Return

+1.74%

Last Filing

2026-05-12

Sato Holdings Corporation (6287) has 10 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥16.2B ($104.8M) in reported transaction value. The earliest filing StockDrifts holds for Sato Holdings Corporation is dated 2021-07-07; the most recent is 2026-05-12. 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 +1.74%, 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
2026-05-12	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー(Baillie Gifford & Co) Baillie Gifford & Co	other	1.7M	¥2,133	-7.9%	¥768M ($5.0M)
2024-10-04	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	707.4K	¥2,135	-1.4%	¥689M ($4.4M)
2024-10-04	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	680.5K	¥2,135	-1.4%	¥50M ($324K)
2023-08-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.1M	¥1,976	-9.6%	¥462M ($3.0M)
2023-08-21	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	729.4K	¥1,976	-9.6%	¥235M ($1.5M)
2023-06-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.4M	¥1,951	+11.0%	¥2.7B ($17.1M)
2023-06-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	25.9K	¥1,951	+11.0%	¥48M ($308K)
2023-06-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	120	¥1,951	-11.0%	¥136M ($879K)
2023-04-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	71.5K	¥2,156	+0.5%	¥154M ($995K)
2023-04-06	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	¥2,156	+0.5%	¥3.6B ($23.0M)
2023-04-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	200	¥2,156	-0.5%	¥226M ($1.5M)
2023-04-04	BUY	unknown	公益財団法人佐藤陽国際奨学財団 Yo Sato International Scholarship Foundation	other	3.8M	¥2,264	-4.3%	¥8.6B ($55.3M)
2023-04-04	SELL	unknown	株式会社アリーナ Arena Co., Ltd.	other	498.7K	¥2,264	+4.3%	¥806M ($5.2M)
2023-04-04	BUY	unknown	公益財団法人佐藤陽国際奨学財団 Yo Sato International Scholarship Foundation	other	3.8M	¥2,264	-4.3%	¥8.6B ($55.3M)
2023-04-04	SELL	unknown	株式会社アリーナ Arena Co., Ltd.	other	498.7K	¥2,264	+4.3%	¥806M ($5.2M)
2023-04-04	BUY	unknown	藤田昌子 MASAKO FUJITA	other	653.4K	¥2,264	-4.3%	¥1.5B ($9.5M)
2023-04-04	BUY	unknown	藤田昌子 MASAKO FUJITA	other	653.4K	¥2,264	-4.3%	¥1.5B ($9.5M)
2023-04-03	SELL	unknown	公益財団法人佐藤陽国際奨学財団 Yo Sato International Scholarship Foundation	other	3.8M	¥2,232	+3.0%	¥8M ($50K)
2023-04-03	BUY	unknown	株式会社アリーナ Arena Co., Ltd.	other	854.5K	¥2,232	-3.0%	¥1.9B ($12.3M)
2023-04-03	BUY	unknown	藤田昌子 MASAKO FUJITA	other	653.4K	¥2,232	-3.0%	¥1.5B ($9.4M)
2023-02-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.3M	¥2,117	-2.3%	¥237M ($1.5M)
2023-02-06	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	847.3K	¥2,117	-2.3%	¥554M ($3.6M)
2023-01-19	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.0M	¥1,947	+11.3%	¥3.9B ($25.2M)
2023-01-19	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	104.7K	¥1,947	+11.3%	¥14M ($88K)
2022-03-22	BUY	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	2.1M	¥1,724	+25.6%	¥3.6B ($23.1M)
2022-03-22	SELL	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	0	¥1,724	-25.6%	¥175M ($1.1M)
2022-01-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.4M	¥2,053	+5.5%	¥523M ($3.4M)
2022-01-21	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	97.0K	¥2,053	+5.5%	¥199M ($1.3M)
2021-10-21	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.4M	¥2,666	-18.8%	¥140M ($901K)
2021-10-21	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	1.1M	¥2,666	-18.8%	¥801M ($5.2M)
2021-07-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.1M	¥2,750	-21.2%	¥1.2B ($7.8M)
2021-07-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-1.6K	¥2,750	+21.2%	¥163M ($1.1M)

Frequently asked questions

Who has been buying Sato Holdings Corporation stock?: 10 distinct investors have filed 10 disclosed large-shareholding filings in Sato Holdings Corporation (6287), most recently on 2026-05-12. 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 Sato Holdings Corporation have?: Sato Holdings Corporation has 10 buy-side and 14 sell-side disclosures on record, covering ¥16.2B ($104.8M) in total reported value, spanning 2021-07-07 to 2026-05-12.
Where does StockDrifts get Sato Holdings 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 Sato Holdings Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.