Who has been buying Marui Group Co., Ltd. stock?

24 distinct investors have filed 39 disclosed large-shareholding filings in Marui Group Co., Ltd. (8252), most recently on 2026-03-30. 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 Marui Group Co., Ltd. have?

Marui Group Co., Ltd. has 39 buy-side and 41 sell-side disclosures on record, covering ¥181.9B ($1.2B) in total reported value, spanning 2021-05-11 to 2026-03-30.

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.

Marui Group Co., Ltd. 8252

Company

株式会社丸井グループMarui Group Co., Ltd.

Investors

Buys

Total Value

¥181.9B ($1.2B)

Avg Return

+17.79%

Last Filing

2026-03-30

Marui Group Co., Ltd. (8252) has 39 disclosed large-shareholding filings and 41 disclosed disposals on record, filed by 24 distinct investors. Together those filings cover ¥181.9B ($1.2B) in reported transaction value. The earliest filing StockDrifts holds for Marui Group Co., Ltd. is dated 2021-05-11; the most recent is 2026-03-30. Across these filings the average return since disclosure is +17.79%, 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
2026-11-02	BUY	Market Buy	野村アセットマネジメント株式会社	other	15.3M	¥2,756.5	+0.0%	¥51M ($327K)
2026-11-02	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,756.5	-	-
2026-11-02	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	1.1M	¥2,756.5	+0.0%	¥51M ($327K)
2026-11-02	SELL	unknown	野村證券株式会社	other	6.0M	¥2,756.5	+0.0%	¥101M ($653K)
2026-11-02	BUY	Market Buy	野村アセットマネジメント株式会社	other	15.3M	¥2,756.5	+0.0%	¥608M ($3.9M)
2026-11-02	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,756.5	-	-
2026-11-02	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.1M	¥2,756.5	+0.0%	¥203M ($1.3M)
2026-11-02	BUY	Market Buy	野村證券株式会社	other	6.1M	¥2,756.5	+0.0%	¥101M ($653K)
2026-10-27	BUY	Market Buy	野村證券株式会社	other	6.0M	¥2,756.5	+0.0%	¥506M ($3.3M)
2026-10-27	SELL	unknown	野村アセットマネジメント株式会社	other	15.1M	¥2,756.5	+0.0%	¥101M ($653K)
2026-10-27	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,756.5	-	-
2026-10-27	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	1.2M	¥2,756.5	+0.0%	¥709M ($4.6M)
2026-10-06	SELL	unknown	野村アセットマネジメント株式会社	other	15.1M	¥2,758	+0.1%	¥253M ($1.6M)
2026-10-06	BUY	Market Buy	野村證券株式会社	other	5.8M	¥2,758	-0.1%	¥3.2B ($20.9M)
2026-10-06	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,758	-	-
2026-10-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	936.1K	¥2,758	+0.1%	¥355M ($2.3M)
2026-09-25	BUY	subscription	みずほ証券株式会社	other	1.7M	¥2,882.5	-4.4%	¥2.8B ($17.8M)
2026-09-25	SELL	unknown	アセットマネジメントOne株式会社	other	12.9M	¥2,882.5	+4.4%	¥424M ($2.7M)
2026-09-25	BUY	unknown	みずほインターナショナル Mizuho International plc	other	0	¥2,882.5	-	-
2026-09-18	SELL	unknown	野村アセットマネジメント株式会社	other	15.1M	¥2,882.5	+4.4%	¥635M ($4.1M)
2026-09-18	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,882.5	-	-
2026-09-18	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	1.1M	¥2,882.5	-4.4%	¥847M ($5.5M)
2026-09-18	BUY	Market Buy	野村證券株式会社	other	4.6M	¥2,882.5	-4.4%	¥265M ($1.7M)
2026-09-17	BUY	unknown	野村證券株式会社	other	4.5M	¥2,929.5	-	-
2026-09-17	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	760.7K	¥2,929.5	-5.9%	¥377M ($2.4M)
2026-09-17	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,929.5	-	-
2026-09-17	SELL	unknown	野村アセットマネジメント株式会社	other	15.3M	¥2,929.5	+5.9%	¥108M ($694K)
2026-09-16	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,889	-	-
2026-09-16	BUY	Market Buy	野村證券株式会社	other	4.5M	¥2,889	-4.6%	¥12.1B ($78.0M)
2026-09-16	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	625.6K	¥2,889	-4.6%	¥53M ($342K)
2026-09-16	SELL	unknown	野村アセットマネジメント株式会社	other	15.3M	¥2,889	+4.6%	¥1.1B ($6.8M)
2026-09-07	SELL	unknown	野村アセットマネジメント株式会社	other	15.3M	¥2,870	+4.0%	¥158M ($1.0M)
2026-09-07	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,870	-	-
2026-09-07	BUY	unknown	野村證券株式会社	other	161.9K	¥2,870	-	¥465M ($3.0M)
2026-09-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	581.3K	¥2,870	-	¥1.7B ($10.8M)
2026-08-07	BUY	Market Buy	みずほ証券株式会社	other	738.0K	¥2,964.5	-7.0%	¥926M ($6.0M)
2026-08-07	BUY	Market Buy	アセットマネジメントOne株式会社	other	13.0M	¥2,964.5	-7.0%	¥5.4B ($34.8M)
2026-03-30	SELL	Market Buy	三菱UFJ信託銀行株式会社	passive	3.2M	¥3,052	+9.7%	¥617M ($4.0M)
2026-03-30	SELL	Market Buy	MUFGセキュリティーズEMEA MUFG Securities EMEA plc	unknown	0	¥3,052	+9.7%	¥8.8B ($56.8M)
2026-03-30	BUY	Market Buy	三菱UFJアセットマネジメント株式会社	passive	5.3M	¥3,052	-9.7%	¥561M ($3.6M)
2026-03-30	SELL	Market Buy	三菱UFJモルガン・スタンレー証券株式会社	other	753.7K	¥3,052	+9.7%	¥1.3B ($8.7M)
2026-02-06	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	11.6M	¥3,103	+11.2%	¥6.2B ($39.7M)
2026-01-09	SELL	Market Buy	三菱UFJ信託銀行株式会社	passive	3.4M	¥3,215	+14.3%	¥413M ($2.7M)
2026-01-09	BUY	Market Buy	三菱UFJモルガン・スタンレー証券株式会社	other	1.2M	¥3,215	-14.3%	¥1.0B ($6.5M)
2026-01-09	BUY	Market Buy	三菱UFJアセットマネジメント株式会社	passive	5.1M	¥3,215	-14.3%	¥2.3B ($14.9M)
2026-01-09	BUY	Market Buy	MUFGセキュリティーズEMEA MUFG Securities EMEA plc	other	2.9M	¥3,215	-14.3%	¥4.7B ($30.1M)
2025-12-15	BUY	Market Buy	MUFGセキュリティーズEMEA MUFG Securities EMEA plc	other	1.4M	¥3,154	-	¥4.5B ($29.3M)
2025-12-15	BUY	Market Buy	三菱UFJアセットマネジメント株式会社	passive	4.3M	¥3,154	-12.6%	¥1.9B ($12.3M)
2025-12-15	BUY	Market Buy	三菱UFJモルガン・スタンレー証券株式会社	other	883.7K	¥3,154	-12.6%	¥1.8B ($11.6M)
2025-12-15	SELL	Market Buy	株式会社三菱UFJ銀行	unknown	0	¥3,154	+12.6%	¥4.2B ($27.3M)

Showing the 50 most recent of 125 filings.

Frequently asked questions

Who has been buying Marui Group Co., Ltd. stock?: 24 distinct investors have filed 39 disclosed large-shareholding filings in Marui Group Co., Ltd. (8252), most recently on 2026-03-30. 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 Marui Group Co., Ltd. have?: Marui Group Co., Ltd. has 39 buy-side and 41 sell-side disclosures on record, covering ¥181.9B ($1.2B) in total reported value, spanning 2021-05-11 to 2026-03-30.
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.