Who has been buying Kameda Seika Co.,Ltd. stock?

6 distinct investors have filed 2 disclosed large-shareholding filings in Kameda Seika Co.,Ltd. (2220), most recently on 2025-10-07. 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 Kameda Seika Co.,Ltd. have?

Kameda Seika Co.,Ltd. has 2 buy-side and 5 sell-side disclosures on record, covering ¥482M ($3.1M) in total reported value, spanning 2021-10-05 to 2025-10-07.

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.

Kameda Seika Co.,Ltd. 2220

Company

亀田製菓株式会社Kameda Seika Co.,Ltd.

Investors

Buys

Total Value

¥482M ($3.1M)

Avg Return

-0.36%

Last Filing

2025-10-07

Kameda Seika Co.,Ltd. (2220) has 2 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥482M ($3.1M) in reported transaction value. The earliest filing StockDrifts holds for Kameda Seika Co.,Ltd. is dated 2021-10-05; the most recent is 2025-10-07. Across these filings the average return since disclosure is -0.36%, 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
2025-10-07	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	381.3K	¥1,358.33	+2.4%	¥258M ($1.7M)
2025-10-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	249.0K	¥1,358.33	+2.4%	¥21M ($137K)
2025-10-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	42.4K	¥1,358.33	+2.4%	¥55M ($352K)
2025-10-07	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	221.0K	¥1,358.33	-	-
2025-05-09	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	221.0K	¥1,295	-	-
2025-05-09	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	82.2K	¥1,295	-	¥106M ($687K)
2025-05-09	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	571.8K	¥1,295	-2.4%	¥249M ($1.6M)
2025-05-09	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	264.9K	¥1,295	-2.4%	¥153M ($988K)
2021-10-05	BUY	negotiated	株式会社第四北越銀行 Daishi Hokuetsu Bank,Ltd.	strategic	1.0M	¥1,483.33	-10.6%	¥1.5B ($9.9M)
2021-10-05	BUY	negotiated	第四北越リース株式会社 Daishi Hokuetsu Lease Co., Ltd.	strategic	325.0K	¥1,483.33	-10.6%	¥482M ($3.1M)

Frequently asked questions

Who has been buying Kameda Seika Co.,Ltd. stock?: 6 distinct investors have filed 2 disclosed large-shareholding filings in Kameda Seika Co.,Ltd. (2220), most recently on 2025-10-07. 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 Kameda Seika Co.,Ltd. have?: Kameda Seika Co.,Ltd. has 2 buy-side and 5 sell-side disclosures on record, covering ¥482M ($3.1M) in total reported value, spanning 2021-10-05 to 2025-10-07.
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.