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

8 distinct investors have filed 8 disclosed large-shareholding filings in Keiyo Co., Ltd. (8168), most recently on 2023-12-12. 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 Keiyo Co., Ltd. have?

Keiyo Co., Ltd. has 8 buy-side and 5 sell-side disclosures on record, covering ¥58.2B ($375.5M) in total reported value, spanning 2021-05-21 to 2023-12-12.

Where does StockDrifts get Keiyo Co., Ltd. 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.

Keiyo Co., Ltd. 8168

Company

株式会社ケーヨーKeiyo Co., Ltd.

Investors

Buys

Total Value

¥58.2B ($375.5M)

Avg Return

+43.53%

Last Filing

2023-12-12

Keiyo Co., Ltd. (8168) has 8 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥58.2B ($375.5M) in reported transaction value. The earliest filing StockDrifts holds for Keiyo Co., Ltd. is dated 2021-05-21; the most recent is 2023-12-12. 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 +43.53%, 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
2023-12-12	BUY	acquisition	DCMホールディングス株式会社 DCM Holdings Co., Ltd.	activist	58.3M	¥1,300	-0.1%	¥7.1B ($45.5M)
2023-11-20	SELL	unknown	イオン株式会社 AEON CO.,LTD.	unknown	0	¥1,297	-0.1%	¥5.0B ($32.5M)
2023-11-15	SELL	acquisition	DCM株式会社 DCM Co.,Ltd.	unknown	0	¥1,297	-0.1%	¥66.7B ($430.6M)
2023-11-15	BUY	acquisition	DCMホールディングス株式会社 DCM Holdings Co., Ltd.	activist	52.9M	¥1,297	+0.1%	¥45.2B ($291.3M)
2022-10-21	SELL	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	1.4M	¥884	-46.8%	¥4.3B ($27.6M)
2022-10-17	BUY	Market Buy	DCM株式会社 DCM Co.,Ltd.	other	513.4K	¥889	+46.0%	¥456M ($2.9M)
2022-10-17	BUY	unknown	DCM株式会社 DCM Co.,Ltd.	other	513.4K	¥889	+46.0%	¥456M ($2.9M)
2022-10-17	BUY	unknown	DCMホールディングス株式会社 DCM Holdings Co., Ltd.	strategic	12.6M	¥889	+46.0%	¥11.2B ($72.1M)
2022-10-17	BUY	Market Buy	DCMホールディングス株式会社 DCM Holdings Co., Ltd.	strategic	18.1M	¥889	+46.0%	¥4.9B ($31.6M)
2022-02-22	BUY	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	6.3M	¥877	+48.0%	¥583M ($3.8M)
2022-01-17	BUY	unknown	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	75.5K	¥846	+53.4%	¥64M ($412K)
2022-01-17	SELL	unknown	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	106.8K	¥846	-53.4%	¥55M ($356K)
2022-01-17	BUY	unknown	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	639.2K	¥846	+53.4%	¥521M ($3.4M)
2022-01-17	SELL	unknown	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	unknown	0	¥846	-53.4%	¥12M ($79K)
2021-10-22	BUY	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	5.6M	¥830	+56.4%	¥714M ($4.6M)
2021-07-07	BUY	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	4.7M	¥803	+61.6%	¥1.0B ($6.6M)
2021-05-21	BUY	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	3.5M	¥710	+82.8%	¥2.5B ($15.9M)

Frequently asked questions

Who has been buying Keiyo Co., Ltd. stock?: 8 distinct investors have filed 8 disclosed large-shareholding filings in Keiyo Co., Ltd. (8168), most recently on 2023-12-12. 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 Keiyo Co., Ltd. have?: Keiyo Co., Ltd. has 8 buy-side and 5 sell-side disclosures on record, covering ¥58.2B ($375.5M) in total reported value, spanning 2021-05-21 to 2023-12-12.
Where does StockDrifts get Keiyo Co., Ltd. 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 Keiyo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.