Who has been buying Denkyo Group Holdings Co.,Ltd. stock?

3 distinct investors have filed 5 disclosed large-shareholding filings in Denkyo Group Holdings Co.,Ltd. (8144), most recently on 2025-07-15. 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 Denkyo Group Holdings Co.,Ltd. have?

Denkyo Group Holdings Co.,Ltd. has 5 buy-side and 2 sell-side disclosures on record, covering ¥169M ($1.1M) in total reported value, spanning 2021-07-19 to 2025-07-15.

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.

Denkyo Group Holdings Co.,Ltd. 8144

Company

株式会社電響社Denkyo Group Holdings Co.,Ltd.

Investors

Buys

Total Value

¥169M ($1.1M)

Avg Return

+9.19%

Last Filing

2025-07-15

Denkyo Group Holdings Co.,Ltd. (8144) has 5 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥169M ($1.1M) in reported transaction value. The earliest filing StockDrifts holds for Denkyo Group Holdings Co.,Ltd. is dated 2021-07-19; the most recent is 2025-07-15. Across these filings the average return since disclosure is +9.19%, 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
2025-07-15	BUY	Market Buy	デンキョーグループ取引先持株会理事長山中千佳 YAMANAKA CHIKA	strategic	869.2K	¥1,203	+6.4%	¥81M ($522K)
2023-08-22	BUY	unknown	デンキョーグループ取引先持株会理事長山中千佳 YAMANAKA CHIKA	strategic	801.8K	¥1,219	-	¥2M ($16K)
2023-08-22	BUY	Market Buy	デンキョーグループ取引先持株会理事長山中千佳 YAMANAKA CHIKA	strategic	801.8K	¥1,219	+5.0%	¥2M ($16K)
2023-07-31	SELL	unknown	デンキョーグループ取引先持株会理事長楠野寿也 KUSUNO TOSHIYA	unknown	0	¥1,290	+0.8%	¥1.0B ($6.6M)
2023-07-31	BUY	unknown	デンキョーグループ取引先持株会理事長山中千佳 YAMANAKA CHIKA	strategic	799.7K	¥1,290	-0.8%	¥1.0B ($6.7M)
2023-07-13	BUY	Market Buy	デンキョーグループ取引先持株会理事長楠野寿也 KUSUNO TOSHIYA	strategic	790.0K	¥1,248	+2.6%	¥88M ($569K)
2022-10-04	SELL	unknown	株式会社デンキョーグループホールディングス Denkyo Group Holdings Co.,Ltd.	unknown	0	¥1,165	-9.9%	¥403M ($2.6M)
2021-07-19	BUY	Market Buy	電響社取引先持株会理事長楠野寿也 KUSUNO TOSHIYA	strategic	719.0K	¥1,412	-9.3%	¥100M ($644K)

Frequently asked questions

Who has been buying Denkyo Group Holdings Co.,Ltd. stock?: 3 distinct investors have filed 5 disclosed large-shareholding filings in Denkyo Group Holdings Co.,Ltd. (8144), most recently on 2025-07-15. 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 Denkyo Group Holdings Co.,Ltd. have?: Denkyo Group Holdings Co.,Ltd. has 5 buy-side and 2 sell-side disclosures on record, covering ¥169M ($1.1M) in total reported value, spanning 2021-07-19 to 2025-07-15.
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.