Who has been buying GRANDES, Inc. stock?

2 distinct investors have filed 1 disclosed large-shareholding filings in GRANDES, Inc. (3261), most recently on 2025-05-19. 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 GRANDES, Inc. have?

GRANDES, Inc. has 1 buy-side and 9 sell-side disclosures on record, covering ¥290M ($1.9M) in total reported value, spanning 2023-12-05 to 2025-05-19.

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.

GRANDES, Inc. 3261

Company

株式会社グランディーズGRANDES, Inc.

Investors

Buys

Total Value

¥290M ($1.9M)

Avg Return

+27.15%

Last Filing

2025-05-19

GRANDES, Inc. (3261) has 1 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 2 distinct investors. Together those filings cover ¥290M ($1.9M) in reported transaction value. The earliest filing StockDrifts holds for GRANDES, Inc. is dated 2023-12-05; the most recent is 2025-05-19. Across these filings the average return since disclosure is +27.15%, 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
2025-05-19	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	195.0K	¥1,154	+61.7%	¥49M ($318K)
2025-04-17	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	238.0K	¥1,082	-	¥44M ($286K)
2025-04-17	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	238.0K	¥1,082	+59.1%	¥44M ($286K)
2025-03-12	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	278.9K	¥1,032	-	¥53M ($344K)
2025-03-12	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	278.9K	¥1,032	+57.2%	¥53M ($344K)
2024-12-19	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	341.5K	¥1,196	+63.0%	¥93M ($602K)
2024-12-03	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	419.5K	¥1,246	+64.5%	¥224M ($1.4M)
2024-12-02	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	599.5K	¥1,260	+64.9%	¥101M ($655K)
2024-11-18	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	680.0K	¥1,208	-	-
2024-11-15	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	680.0K	¥1,201	-	-
2024-10-22	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	680.0K	¥1,307	+66.2%	¥123M ($796K)
2024-10-15	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	780.0K	¥1,352	-	-
2024-10-08	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	780.0K	¥1,385	-	-
2024-10-08	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	780.0K	¥1,385	-	-
2023-12-15	BUY	subscription	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	780.0K	¥372	+18.8%	¥290M ($1.9M)
2023-12-05	SELL	negotiated	亀井浩 Kamei Hiroshi	activist	1.7M	¥386	-14.5%	¥26M ($165K)
2023-12-05	SELL	negotiated	亀井浩 Kamei Hiroshi	activist	1.7M	¥386	-14.5%	¥26M ($165K)

Frequently asked questions

Who has been buying GRANDES, Inc. stock?: 2 distinct investors have filed 1 disclosed large-shareholding filings in GRANDES, Inc. (3261), most recently on 2025-05-19. 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 GRANDES, Inc. have?: GRANDES, Inc. has 1 buy-side and 9 sell-side disclosures on record, covering ¥290M ($1.9M) in total reported value, spanning 2023-12-05 to 2025-05-19.
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.