Who has been buying Raksul Inc. stock?

30 distinct investors have filed 131 disclosed large-shareholding filings in Raksul Inc. (4384), most recently on 2026-04-06. 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 Raksul Inc. have?

Raksul Inc. has 131 buy-side and 128 sell-side disclosures on record, covering ¥170.1B ($1.1B) in total reported value, spanning 2021-04-05 to 2026-04-06.

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.

Raksul Inc. 4384

Company

ラクスル株式会社Raksul Inc.

Investors

Buys

131

Total Value

¥170.1B ($1.1B)

Avg Return

+49.67%

Last Filing

2026-04-06

Raksul Inc. (4384) has 131 disclosed large-shareholding filings and 128 disclosed disposals on record, filed by 30 distinct investors. Together those filings cover ¥170.1B ($1.1B) in reported transaction value. The earliest filing StockDrifts holds for Raksul Inc. is dated 2021-04-05; the most recent is 2026-04-06. Across these filings the average return since disclosure is +49.67%, 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
2026-04-06	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	0	¥1,886	-0.2%	¥6.5B ($42.1M)
2026-04-06	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	¥1,886	-0.2%	¥230M ($1.5M)
2026-03-25	SELL	subscription	松本恭攝 Matsumoto Yasukane	activist	18.3K	¥1,887	-0.2%	¥15.5B ($100.3M)
2026-03-25	SELL	subscription	松本恭攝 Matsumoto Yasukane	activist	18.3K	¥1,887	-0.2%	¥15.5B ($100.3M)
2026-03-23	SELL	unknown	モルガン・スタンレーMUFG証券株式会社	other	801.3K	¥1,886	-0.2%	¥5.2B ($33.4M)
2026-03-23	SELL	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	20.1K	¥1,886	-0.2%	¥138M ($890K)
2026-03-19	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	536.8K	¥1,887	-0.2%	¥4.5B ($29.3M)
2026-03-19	SELL	unknown	野村アセットマネジメント株式会社	other	1.3M	¥1,887	-0.2%	¥69M ($445K)
2026-03-17	SELL	subscription	キーロック・キャピタル・マネジメント・リミテッド(Keyrock Capital Management Limited) Keyrock Capital Management Limited	unknown	0	¥1,887	-0.2%	¥9.8B ($63.3M)
2026-03-17	BUY	subscription	R1株式会社 R1 Inc.	activist	52.8M	¥1,887	+0.2%	¥83.5B ($538.8M)
2026-03-17	BUY	subscription	R1株式会社 R1 Inc.	activist	52.8M	¥1,887	-	-
2026-03-16	SELL	subscription	キーロック・キャピタル・マネジメント・リミテッド(Keyrock Capital Management Limited) Keyrock Capital Management Limited	activist	5.2M	¥1,886	-0.2%	¥253M ($1.6M)
2026-03-13	SELL	unknown	エムワイアルファマネジメント香港アドバイザーズリミテッド(MY.Alpha Management HK Advisors Limited) MY.Alpha Management HK Advisors Limited	unknown	0	¥1,886	-0.2%	¥5.8B ($37.7M)
2026-03-13	BUY	unknown	エムワイアルファマネジメント香港アドバイザーズリミテッド(MY.Alpha Management HK Advisors Limited) MY.Alpha Management HK Advisors Limited	unknown	0	¥1,886	-	¥5.8B ($37.7M)
2026-03-05	SELL	unknown	モルガン・スタンレーMUFG証券株式会社	other	3.5M	¥1,891	+0.1%	¥1.4B ($8.9M)
2026-03-05	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	93.2K	¥1,891	-	-
2026-02-06	BUY	unknown	モルガン・スタンレーＭＵＦＧ証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	4.2M	¥2,065	-8.5%	¥8.8B ($56.6M)
2026-02-03	BUY	Market Buy	キーロック・キャピタル・マネジメント・リミテッド（Ｋｅｙｒｏｃｋ　Ｃａｐｉｔａｌ　Ｍａｎａｇｅｍｅｎｔ　Ｌｉｍｉｔｅｄ） Keyrock Capital Management Limited	activist	5.2M	¥2,093	-9.7%	¥261M ($1.7M)
2026-02-03	BUY	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥2,093	-	-
2026-01-29	BUY	Market Buy	エムワイアルファマネジメント香港アドバイザーズリミテッド(MY.Alpha Management HK Advisors Limited) MY.Alpha Management HK Advisors Limited	activist	3.0M	¥2,035	-7.1%	¥6.1B ($39.6M)
2026-01-28	BUY	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥1,988	-	-
2026-01-22	BUY	unknown	ユービーエス・エイ・ジー(銀行)	other	2.8M	¥1,964	-3.8%	¥513M ($3.3M)
2026-01-22	SELL	unknown	UBS Europe SE	other	0	¥1,964	+3.8%	¥1.0B ($6.8M)
2026-01-19	SELL	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥1,840	-2.7%	¥157M ($1.0M)
2026-01-19	BUY	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥1,840	-	¥157M ($1.0M)
2026-01-09	BUY	unknown	ユービーエス・エイ・ジー(銀行)	other	2.5M	¥1,858	+1.7%	¥4.6B ($29.9M)
2026-01-09	BUY	unknown	UBS Europe SE	other	537.2K	¥1,858	+1.7%	¥998M ($6.4M)
2026-01-09	SELL	Market Buy	野村證券株式会社	other	1.1K	¥1,858	-1.7%	¥773M ($5.0M)
2026-01-09	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	2.9M	¥1,858	+1.7%	¥3.8B ($24.5M)
2026-01-09	SELL	Market Buy	野村アセットマネジメント株式会社	other	1.3M	¥1,858	-1.7%	¥1.3B ($8.3M)
2026-01-05	BUY	Market Buy	キーロック・キャピタル・マネジメント・リミテッド(Keyrock Capital Management Limited) Keyrock Capital Management Limited	passive	5.1M	¥1,792	+5.5%	¥9.1B ($58.6M)
2026-01-05	BUY	Market Buy	キーロック・キャピタル・マネジメント・リミテッド(Keyrock Capital Management Limited) Keyrock Capital Management Limited	passive	5.1M	¥1,792	-	¥9.1B ($58.6M)
2025-12-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.7M	¥1,895	+0.3%	¥1.5B ($9.7M)
2025-12-15	BUY	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥1,770	-	-
2025-12-15	BUY	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥1,770	-	-
2025-12-15	BUY	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥1,770	-	-
2025-12-15	SELL	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥1,770	-6.8%	¥21M ($136K)
2025-12-12	SELL	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥1,526	-23.9%	¥751M ($4.8M)
2025-12-12	BUY	negotiated	松本恭攝 Matsumoto Yasukane	activist	8.3M	¥1,526	-	¥751M ($4.8M)
2025-11-21	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	3.5M	¥1,148	-64.6%	¥667M ($4.3M)
2025-11-21	SELL	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	5.9K	¥1,148	-64.6%	¥61M ($395K)
2025-11-20	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	817.0K	¥1,102	+71.5%	¥837M ($5.4M)
2025-11-20	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	416.3K	¥1,102	-71.5%	¥902M ($5.8M)
2025-11-20	SELL	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	¥1,102	-71.5%	¥59M ($380K)
2025-11-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	1.2M	¥1,022	+84.9%	¥370M ($2.4M)
2025-11-07	SELL	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	¥1,022	-84.9%	¥133M ($861K)
2025-11-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	58.6K	¥1,022	-84.9%	¥340M ($2.2M)
2025-10-07	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	871.3K	¥1,140	+65.8%	¥88M ($567K)
2025-10-07	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	2.1M	¥1,140	-65.8%	¥1.2B ($8.0M)
2025-10-07	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	391.5K	¥1,140	+65.8%	¥372M ($2.4M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Raksul Inc. stock?: 30 distinct investors have filed 131 disclosed large-shareholding filings in Raksul Inc. (4384), most recently on 2026-04-06. 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 Raksul Inc. have?: Raksul Inc. has 131 buy-side and 128 sell-side disclosures on record, covering ¥170.1B ($1.1B) in total reported value, spanning 2021-04-05 to 2026-04-06.
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.