Who has been buying Daiken Corporation stock?

10 distinct investors have filed 7 disclosed large-shareholding filings in Daiken Corporation (7905), most recently on 2023-10-16. 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 Daiken Corporation have?

Daiken Corporation has 7 buy-side and 6 sell-side disclosures on record, covering ¥4.9B ($31.4M) in total reported value, spanning 2021-04-21 to 2023-10-16.

Where does StockDrifts get Daiken Corporation 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.

Daiken Corporation 7905

Company

大建工業株式会社Daiken Corporation

Investors

Buys

Total Value

¥4.9B ($31.4M)

Avg Return

+12.34%

Last Filing

2023-10-16

Daiken Corporation (7905) has 7 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥4.9B ($31.4M) in reported transaction value. The earliest filing StockDrifts holds for Daiken Corporation is dated 2021-04-21; the most recent is 2023-10-16. 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 +12.34%, 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
2023-10-16	BUY	Market Buy	伊藤忠商事株式会社 ITOCHU Corporation	strategic	9.5M	¥2,989	+0.3%	¥299M ($1.9M)
2023-10-16	BUY	Market Buy	BPインベストメント合同会社 BP Investment LLC	strategic	13.3M	¥2,989	+0.3%	¥39.8B ($256.5M)
2023-09-21	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	401.0K	¥3,045	-1.5%	¥1.2B ($7.9M)
2023-09-21	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	198.6K	¥3,045	+1.5%	¥2.0B ($12.8M)
2023-09-21	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	527.4K	¥3,045	-1.5%	¥1.2B ($8.0M)
2023-09-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	401.9K	¥3,045	-1.5%	¥1.2B ($7.9M)
2023-09-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	848.5K	¥3,045	-1.5%	¥2.6B ($16.7M)
2023-09-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	120.0K	¥3,045	-1.5%	¥365M ($2.4M)
2022-02-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	987.0K	¥2,157	+39.0%	¥2.1B ($13.7M)
2022-02-22	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	113.3K	¥2,157	-39.0%	¥730M ($4.7M)
2021-12-21	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	453.5K	¥2,131	-40.7%	¥196M ($1.3M)
2021-12-21	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	500.3K	¥2,131	+40.7%	¥162M ($1.0M)
2021-12-21	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	344.0K	¥2,131	-40.7%	¥589M ($3.8M)
2021-04-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	545.6K	¥1,981	+51.4%	¥574M ($3.7M)
2021-04-21	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	426.5K	¥1,981	-51.4%	¥5M ($35K)
2021-04-21	SELL	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	619.2K	¥1,981	-51.4%	¥134M ($865K)

Frequently asked questions

Who has been buying Daiken Corporation stock?: 10 distinct investors have filed 7 disclosed large-shareholding filings in Daiken Corporation (7905), most recently on 2023-10-16. 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 Daiken Corporation have?: Daiken Corporation has 7 buy-side and 6 sell-side disclosures on record, covering ¥4.9B ($31.4M) in total reported value, spanning 2021-04-21 to 2023-10-16.
Where does StockDrifts get Daiken Corporation 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 Daiken Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.