Who has been buying CaSy Co., Ltd. stock?

8 distinct investors have filed 30 disclosed large-shareholding filings in CaSy Co., Ltd. (9215), most recently on 2025-12-05. 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 CaSy Co., Ltd. have?

CaSy Co., Ltd. has 30 buy-side and 9 sell-side disclosures on record, covering ¥1.7B ($10.8M) in total reported value, spanning 2022-03-01 to 2025-12-05.

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.

CaSy Co., Ltd. 9215

Company

株式会社CaSyCaSy Co., Ltd.

Investors

Buys

Total Value

¥1.7B ($10.8M)

Avg Return

-8.73%

Last Filing

2025-12-05

CaSy Co., Ltd. (9215) has 30 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥1.7B ($10.8M) in reported transaction value. The earliest filing StockDrifts holds for CaSy Co., Ltd. is dated 2022-03-01; the most recent is 2025-12-05. Across these filings the average return since disclosure is -8.73%, 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
2026-09-10	SELL	unknown	株式会社SBI証券	other	29.4K	¥993	+0.1%	¥51M ($331K)
2026-09-10	BUY	Market Buy	SBI Ventures Two株式会社	passive	15.0K	¥993	-	-
2025-12-05	BUY	Market Buy	SBI Ventures Two株式会社	passive	15.0K	¥936	+6.0%	¥14M ($91K)
2025-12-05	BUY	Market Buy	株式会社SBI証券	other	81.0K	¥936	+6.0%	¥76M ($489K)
2025-12-03	SELL	unknown	SBIインベストメント株式会社	other	0	¥985	-0.7%	¥15M ($97K)
2025-12-03	BUY	unknown	SBI Ventures Two株式会社	passive	15.0K	¥985	-	-
2025-12-03	SELL	unknown	株式会社SBI証券	other	100	¥985	-0.7%	¥78M ($500K)
2025-10-28	BUY	unknown	加茂雄一 YUICHI KAMO	activist	346.6K	¥1,071	-	¥21M ($133K)
2025-10-14	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥1,170	-	-
2025-10-14	SELL	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	78.9K	¥1,170	+15.2%	¥221K ($1K)
2025-10-14	SELL	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	15.3K	¥1,170	+15.2%	¥25M ($164K)
2025-09-10	SELL	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	37.0K	¥1,036	+4.3%	¥20M ($128K)
2025-09-10	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	79.0K	¥1,036	-4.3%	¥2M ($14K)
2025-09-10	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥1,036	-	-
2024-08-19	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	56.1K	¥870	+14.0%	¥49M ($315K)
2024-08-19	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	77.0K	¥870	+14.0%	¥67M ($432K)
2024-08-19	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥870	+14.0%	¥13M ($84K)
2024-08-13	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥881	-	-
2024-08-13	SELL	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	20.3K	¥881	-12.6%	¥49M ($313K)
2024-08-13	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	56.1K	¥881	-	-
2024-08-09	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	56.1K	¥878	-	-
2024-08-09	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	75.3K	¥878	+13.0%	¥13M ($81K)
2024-08-09	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥878	-	-
2024-05-27	BUY	unknown	胡桃沢精一 KURUMIZAWA SEIICHI	strategic	126.2K	¥885	-	¥21M ($136K)
2024-05-24	BUY	unknown	胡桃沢精一 KURUMIZAWA SEIICHI	strategic	126.2K	¥878	+13.0%	¥21M ($135K)
2024-03-15	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥899	-	-
2024-03-15	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	56.1K	¥899	-	-
2024-03-15	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	61.0K	¥899	+10.3%	¥17M ($112K)
2024-03-13	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥918	+8.1%	¥14M ($89K)
2024-03-13	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	56.1K	¥918	+8.1%	¥51M ($332K)
2024-03-13	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	41.7K	¥918	+8.1%	¥38M ($247K)
2023-12-28	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	60.0K	¥929	-	-
2023-12-28	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥929	-	-
2023-12-28	SELL	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	7.4K	¥929	-6.8%	¥54M ($347K)
2023-07-27	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	60.0K	¥880	+12.7%	¥53M ($341K)
2023-07-27	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥880	+12.7%	¥13M ($85K)
2023-07-27	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	65.3K	¥880	+12.7%	¥57M ($371K)
2023-03-20	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	60.0K	¥778	-	-
2023-03-20	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥778	-	-
2023-03-20	SELL	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	13.0K	¥778	-27.5%	¥43M ($279K)
2023-01-17	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	68.7K	¥761	+30.4%	¥52M ($337K)
2023-01-17	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	60.0K	¥761	+30.4%	¥46M ($295K)
2023-01-17	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥761	+30.4%	¥11M ($74K)
2023-01-06	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	60.0K	¥825	-	-
2023-01-06	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥825	-	-
2023-01-06	SELL	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	12.3K	¥825	-20.2%	¥37M ($238K)
2022-08-25	BUY	Market Buy	SBI Ventures Two株式会社 SBI Ventures Two Co., Ltd.	passive	15.0K	¥990	-	-
2022-08-25	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	60.0K	¥990	-	-
2022-08-25	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	56.9K	¥990	+0.2%	¥21M ($133K)
2022-07-05	BUY	Market Buy	SBIインベストメント株式会社 SBI Investment Co., Ltd.	passive	60.0K	¥920	+7.8%	¥55M ($356K)

Showing the 50 most recent of 62 filings.

Frequently asked questions

Who has been buying CaSy Co., Ltd. stock?: 8 distinct investors have filed 30 disclosed large-shareholding filings in CaSy Co., Ltd. (9215), most recently on 2025-12-05. 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 CaSy Co., Ltd. have?: CaSy Co., Ltd. has 30 buy-side and 9 sell-side disclosures on record, covering ¥1.7B ($10.8M) in total reported value, spanning 2022-03-01 to 2025-12-05.
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.