Who has been buying Arcland Sakamoto Co.,Ltd. stock?

13 distinct investors have filed 24 disclosed large-shareholding filings in Arcland Sakamoto Co.,Ltd. (9842), most recently on 2026-03-23. 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 Arcland Sakamoto Co.,Ltd. have?

Arcland Sakamoto Co.,Ltd. has 24 buy-side and 27 sell-side disclosures on record, covering ¥21.5B ($138.8M) in total reported value, spanning 2022-05-11 to 2026-03-23.

Where does StockDrifts get Arcland Sakamoto 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.

Arcland Sakamoto Co.,Ltd. 9842

Company

アークランドサカモト株式会社(現アークランズ株式会社)Arcland Sakamoto Co.,Ltd.

Investors

Buys

Total Value

¥21.5B ($138.8M)

Avg Return

+21.53%

Last Filing

2026-03-23

Arcland Sakamoto Co.,Ltd. (9842) has 24 disclosed large-shareholding filings and 27 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥21.5B ($138.8M) in reported transaction value. The earliest filing StockDrifts holds for Arcland Sakamoto Co.,Ltd. is dated 2022-05-11; the most recent is 2026-03-23. 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 +21.53%, 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
2026-08-07	BUY	Market Buy	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	239.5K	¥1,893	+0.6%	¥12M ($79K)
2026-08-07	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	1.0M	¥1,893	+0.6%	¥2.0B ($12.7M)
2026-08-07	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	3.7M	¥1,893	-0.6%	¥1.2B ($8.1M)
2026-06-11	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	475.3K	¥1,898	-1.1%	¥306M ($2.0M)
2026-06-11	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	1.6M	¥1,898	-1.1%	¥3.0B ($19.6M)
2026-06-11	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	1.6M	¥1,898	-1.1%	¥602M ($3.9M)
2026-06-11	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	846.1K	¥1,898	-1.1%	¥197M ($1.3M)
2026-06-11	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	202.5K	¥1,898	+1.1%	¥919M ($5.9M)
2026-06-11	BUY	Market Buy	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	472.7K	¥1,898	-1.1%	¥24M ($152K)
2026-06-11	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	1.5M	¥1,898	-1.1%	¥2.8B ($18.0M)
2026-06-11	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	688.0K	¥1,898	+1.1%	¥3.0B ($19.1M)
2026-06-11	SELL	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	458.7K	¥1,898	+1.1%	¥8M ($51K)
2026-06-11	SELL	unknown	エフアイエーエムエルエルシー FIAM LLC	other	313.9K	¥1,898	+1.1%	¥8M ($51K)
2026-06-11	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	2.7M	¥1,898	-1.1%	¥3.3B ($21.3M)
2026-06-11	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	3.0M	¥1,898	-1.1%	¥550M ($3.5M)
2026-06-11	SELL	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	486.6K	¥1,898	+1.1%	¥479M ($3.1M)
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	3.2M	¥1,898	+1.1%	¥2.7B ($17.7M)
2026-06-11	BUY	Market Buy	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	531.1K	¥1,898	-1.1%	¥86M ($555K)
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	91.8K	¥1,898	-1.1%	¥174M ($1.1M)
2026-06-11	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	1.0M	¥1,898	-1.1%	¥369M ($2.4M)
2026-06-11	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	3.7M	¥1,898	-1.1%	¥885M ($5.7M)
2026-06-11	BUY	Market Buy	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	551.4K	¥1,898	-1.1%	¥37M ($238K)
2026-06-11	BUY	Market Buy	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	166.0K	¥1,898	-1.1%	¥147M ($951K)
2026-06-11	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	1.3M	¥1,898	-1.1%	¥455M ($2.9M)
2026-06-11	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	4.2M	¥1,898	-1.1%	¥1.1B ($6.9M)
2026-06-11	SELL	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	538.8K	¥1,898	+1.1%	¥25M ($159K)
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	170.1K	¥1,898	-1.1%	¥323M ($2.1M)
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	4.2M	¥1,898	+1.1%	¥111M ($713K)
2026-06-11	BUY	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	538.8K	¥1,898	-1.1%	¥1.0B ($6.6M)
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	170.1K	¥1,898	-1.1%	¥323M ($2.1M)
2026-06-11	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	1.6M	¥1,898	-1.1%	¥3.0B ($19.6M)
2026-06-11	BUY	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	4.2M	¥1,898	-1.1%	¥7.9B ($51.0M)
2026-06-11	SELL	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	531.5K	¥1,898	+1.1%	¥12M ($79K)
2026-06-11	BUY	Market Buy	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	191.9K	¥1,898	-1.1%	¥49M ($317K)
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	4.2M	¥1,898	+1.1%	¥25M ($159K)
2026-06-11	BUY	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	531.5K	¥1,898	-1.1%	¥1.0B ($6.5M)
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	191.9K	¥1,898	-1.1%	¥364M ($2.4M)
2026-06-11	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	1.6M	¥1,898	-1.1%	¥3.0B ($19.6M)
2026-06-11	BUY	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	4.2M	¥1,898	-1.1%	¥7.9B ($50.8M)
2026-06-11	SELL	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	121.4K	¥1,898	+1.1%	¥774M ($5.0M)
2026-06-11	BUY	Market Buy	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	229.3K	¥1,898	-1.1%	¥61M ($396K)
2026-06-11	SELL	unknown	エフアイエーエムエルエルシー FIAM LLC	other	1.5M	¥1,898	+1.1%	¥258M ($1.7M)
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	4.0M	¥1,898	+1.1%	¥270M ($1.7M)
2026-06-11	BUY	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	121.4K	¥1,898	-1.1%	¥230M ($1.5M)
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	229.3K	¥1,898	-1.1%	¥435M ($2.8M)
2026-06-11	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	4.1M	¥1,898	-1.1%	¥184M ($1.2M)
2026-06-11	BUY	Market Buy	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	234.8K	¥1,898	-1.1%	¥12M ($79K)
2026-06-11	SELL	unknown	エフアイエーエムエルエルシー FIAM LLC	other	1.3M	¥1,898	+1.1%	¥246M ($1.6M)
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	4.1M	¥1,898	+1.1%	¥12M ($79K)
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	234.8K	¥1,898	-1.1%	¥446M ($2.9M)

Showing the 50 most recent of 123 filings.

Frequently asked questions

Who has been buying Arcland Sakamoto Co.,Ltd. stock?: 13 distinct investors have filed 24 disclosed large-shareholding filings in Arcland Sakamoto Co.,Ltd. (9842), most recently on 2026-03-23. 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 Arcland Sakamoto Co.,Ltd. have?: Arcland Sakamoto Co.,Ltd. has 24 buy-side and 27 sell-side disclosures on record, covering ¥21.5B ($138.8M) in total reported value, spanning 2022-05-11 to 2026-03-23.
Where does StockDrifts get Arcland Sakamoto 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 Arcland Sakamoto Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.