Who has been buying Marubun Corporation stock?

7 distinct investors have filed 9 disclosed large-shareholding filings in Marubun Corporation (7537), most recently on 2024-08-21. 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 Marubun Corporation have?

Marubun Corporation has 9 buy-side and 5 sell-side disclosures on record, covering ¥1.9B ($12.1M) in total reported value, spanning 2021-10-14 to 2024-08-21.

Where does StockDrifts get Marubun 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.

Marubun Corporation 7537

Company

丸文株式会社Marubun Corporation

Investors

Buys

Total Value

¥1.9B ($12.1M)

Avg Return

+42.57%

Last Filing

2024-08-21

Marubun Corporation (7537) has 9 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥1.9B ($12.1M) in reported transaction value. The earliest filing StockDrifts holds for Marubun Corporation is dated 2021-10-14; the most recent is 2024-08-21. 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 +42.57%, 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
2024-08-21	BUY	unknown	株式会社アルト Alto Co., Ltd.	strategic	200.0K	¥1,112	+7.5%	¥221M ($1.4M)
2024-08-21	BUY	unknown	合同会社堀越 Horikoshi LLC	strategic	1.2M	¥1,112	+7.5%	¥446M ($2.9M)
2024-08-21	SELL	unknown	堀越裕史 Horikoshi Hiroshi	strategic	373.3K	¥1,112	-7.5%	¥437M ($2.8M)
2023-12-20	SELL	unknown	堀越毅一 Horikoshi Kiichi	strategic	1.3M	¥1,561	+23.4%	¥438M ($2.8M)
2023-11-22	SELL	unknown	堀越毅一 Horikoshi Kiichi	strategic	1.6M	¥1,364	+12.4%	¥394M ($2.5M)
2022-12-06	BUY	unknown	堀越妃佐子 Hisako Horikoshi	strategic	54.4K	¥880	+35.8%	¥48M ($309K)
2022-12-06	BUY	unknown	株式会社千葉パブリックゴルフコース Chiba Public Golf Course Co., Ltd.	strategic	1.4M	¥880	+35.8%	¥1.2B ($7.9M)
2022-12-06	SELL	unknown	堀越浩司 KOJI HORIKOSHI	strategic	166.6K	¥880	-35.8%	¥252M ($1.6M)
2022-11-08	BUY	unknown	株式会社千葉パブリックゴルフコース Chiba Public Golf Course Co., Ltd.	strategic	1.4M	¥871	+37.2%	¥1.2B ($7.9M)
2022-11-08	BUY	unknown	堀越妃佐子 Hisako Horikoshi	strategic	54.4K	¥871	+37.2%	¥47M ($306K)
2022-11-08	BUY	unknown	堀越妃佐子 Hisako Horikoshi	strategic	54.4K	¥871	+37.2%	¥47M ($306K)
2022-11-08	BUY	unknown	株式会社千葉パブリックゴルフコース Chiba Public Golf Course Co., Ltd.	strategic	1.4M	¥871	+37.2%	¥1.2B ($7.9M)
2022-11-08	BUY	unknown	堀越浩司 KOJI HORIKOSHI	strategic	452.8K	¥871	+37.2%	¥264M ($1.7M)
2022-11-08	SELL	unknown	堀越浩司 KOJI HORIKOSHI	strategic	452.8K	¥871	-37.2%	¥264M ($1.7M)
2021-10-14	BUY	unknown	堀越妃佐子 Hisako Horikoshi	strategic	54.4K	¥728	+64.2%	¥40M ($256K)
2021-10-14	BUY	unknown	株式会社千葉パブリックゴルフコース Chiba Public Golf Course Co., Ltd.	strategic	1.4M	¥728	+64.2%	¥1.0B ($6.6M)
2021-10-14	BUY	unknown	株式会社千葉パブリックゴルフコース Chiba Public Golf Course Co., Ltd.	strategic	1.4M	¥728	+64.2%	¥1.0B ($6.6M)
2021-10-14	BUY	unknown	堀越毅一 Horikoshi Kiichi	strategic	1.9M	¥728	+64.2%	¥1.4B ($8.8M)
2021-10-14	BUY	unknown	堀越浩司 KOJI HORIKOSHI	strategic	754.3K	¥728	+64.2%	¥549M ($3.5M)

Frequently asked questions

Who has been buying Marubun Corporation stock?: 7 distinct investors have filed 9 disclosed large-shareholding filings in Marubun Corporation (7537), most recently on 2024-08-21. 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 Marubun Corporation have?: Marubun Corporation has 9 buy-side and 5 sell-side disclosures on record, covering ¥1.9B ($12.1M) in total reported value, spanning 2021-10-14 to 2024-08-21.
Where does StockDrifts get Marubun 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 Marubun Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.