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Denkyo Group Holdings Co.,Ltd. 8144

Company
株式会社電響社Denkyo Group Holdings Co.,Ltd.
Investors
3
Buys
5
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. 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 +9.19%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-07-15BUYMarket 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
strategic869.2K¥1,203+15.3%¥81M ($522K)
2023-08-22BUYMarket 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
strategic801.8K¥1,219+13.8%¥2M ($16K)
2023-08-22BUYunknown
デンキョーグループ取引先持株会 理事長 山中千佳
YAMANAKA CHIKA
strategic801.8K¥1,219+13.8%¥2M ($16K)
2023-07-31SELLunknown
デンキョーグループ取引先持株会 理事長 楠野寿也
KUSUNO TOSHIYA
unknown0¥1,290-7.5%¥1.0B ($6.6M)
2023-07-31BUYunknown
デンキョーグループ取引先持株会 理事長 山中千佳
YAMANAKA CHIKA
strategic799.7K¥1,290+7.5%¥1.0B ($6.7M)
2023-07-13BUYMarket 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
strategic790.0K¥1,248+11.1%¥88M ($569K)
2022-10-04SELLunknown
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.
unknown0¥1,165-19.1%¥403M ($2.6M)
2021-07-19BUYMarket Buy
電響社取引先持株会 理事長 楠野寿也
KUSUNO TOSHIYA
strategic719.0K¥1,412-1.8%¥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.
Where does StockDrifts get Denkyo Group Holdings 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 Denkyo Group Holdings Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.