Who has been buying Daikoku Denki Co., Ltd. stock?

8 distinct investors have filed 7 disclosed large-shareholding filings in Daikoku Denki Co., Ltd. (6430), most recently on 2025-02-20. 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 Daikoku Denki Co., Ltd. have?

Daikoku Denki Co., Ltd. has 7 buy-side and 5 sell-side disclosures on record, covering ¥1.3B ($8.5M) in total reported value, spanning 2021-05-21 to 2025-02-20.

Where does StockDrifts get Daikoku Denki 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.

Daikoku Denki Co., Ltd. 6430

Company

ダイコク電機株式会社Daikoku Denki Co., Ltd.

Investors

Buys

Total Value

¥1.3B ($8.5M)

Avg Return

+35.18%

Last Filing

2025-02-20

Daikoku Denki Co., Ltd. (6430) has 7 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥1.3B ($8.5M) in reported transaction value. The earliest filing StockDrifts holds for Daikoku Denki Co., Ltd. is dated 2021-05-21; the most recent is 2025-02-20. 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 +35.18%, 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
2025-02-20	SELL	Market Buy	円谷フィールズホールディングス株式会社 TSUBURAYA FIELDS HOLDINGS INC.	passive	2.0M	¥2,624	+9.0%	¥419M ($2.7M)
2024-12-09	SELL	Market Buy	円谷フィールズホールディングス株式会社 TSUBURAYA FIELDS HOLDINGS INC.	passive	2.2M	¥3,110	+23.2%	¥2.3B ($15.1M)
2023-08-09	BUY	Market Buy	円谷フィールズホールディングス株式会社 TSUBURAYA FIELDS HOLDINGS INC.	passive	2.3M	¥4,615	-48.2%	¥710M ($4.6M)
2023-08-09	BUY	Market Buy	円谷フィールズホールディングス株式会社 TSUBURAYA FIELDS HOLDINGS INC.	passive	2.8M	¥4,615	-48.2%	¥2.5B ($16.4M)
2023-08-09	BUY	Market Buy	円谷フィールズホールディングス株式会社 TSUBURAYA FIELDS HOLDINGS INC.	passive	3.0M	¥4,615	-48.2%	¥682M ($4.4M)
2023-03-13	BUY	Market Buy	円谷フィールズホールディングス株式会社 TSUBURAYA FIELDS HOLDINGS INC.	passive	2.1M	¥2,978	-19.8%	¥6.3B ($40.4M)
2023-01-30	BUY	negotiated	栢森雅勝 Masakatsu Kayamori	unknown	902.4K	¥2,074	+15.2%	¥1.9B ($12.1M)
2023-01-30	BUY	negotiated	株式会社大黒屋 Daikokuya Co., Ltd.	strategic	750.0K	¥2,074	+15.2%	¥1.6B ($10.0M)
2023-01-30	SELL	negotiated	栢森和代 Kazuyo Kayamori	strategic	23.0K	¥2,074	-15.2%	¥3.3B ($21.4M)
2023-01-30	SELL	negotiated	栢森雅勝 Masakatsu Kayamori	activist	902.4K	¥2,074	-15.2%	¥337M ($2.2M)
2022-04-21	BUY	unknown	栢森寿恵 Hisae Kayamori	strategic	443.5K	¥1,252	+90.8%	¥544M ($3.5M)
2022-04-21	BUY	unknown	栢森秀行 HIDEYUKI KAYAMORI	strategic	74.0K	¥1,252	+90.8%	¥93M ($598K)
2021-05-21	SELL	Market Buy	HKコーポレーション株式会社 HK Corporation Co., Ltd.	other	0	¥919	-160.0%	¥136M ($877K)
2021-05-21	BUY	Market Buy	栢森寿恵 Hisae Kayamori	strategic	887.0K	¥919	+160.0%	¥68M ($438K)
2021-05-21	BUY	Market Buy	栢森秀行 HIDEYUKI KAYAMORI	strategic	74.0K	¥919	+160.0%	¥68M ($438K)

Frequently asked questions

Who has been buying Daikoku Denki Co., Ltd. stock?: 8 distinct investors have filed 7 disclosed large-shareholding filings in Daikoku Denki Co., Ltd. (6430), most recently on 2025-02-20. 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 Daikoku Denki Co., Ltd. have?: Daikoku Denki Co., Ltd. has 7 buy-side and 5 sell-side disclosures on record, covering ¥1.3B ($8.5M) in total reported value, spanning 2021-05-21 to 2025-02-20.
Where does StockDrifts get Daikoku Denki 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 Daikoku Denki Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.