Who has been buying ルーデン・ホールディングス株式会社 stock?

11 distinct investors have filed 17 disclosed large-shareholding filings in ルーデン・ホールディングス株式会社 (1400), most recently on 2024-01-11. 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 ルーデン・ホールディングス株式会社 have?

ルーデン・ホールディングス株式会社 has 17 buy-side and 19 sell-side disclosures on record, spanning 2021-07-02 to 2024-01-11.

Where does StockDrifts get ルーデン・ホールディングス株式会社 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.

ルーデン・ホールディングス株式会社 1400

Company

ルーデン・ホールディングス株式会社

Investors

Buys

Total Value

—

Avg Return

—

Last Filing

2024-01-11

ルーデン・ホールディングス株式会社 (1400) has 17 disclosed large-shareholding filings and 19 disclosed disposals on record, filed by 11 distinct investors. The earliest filing StockDrifts holds for ルーデン・ホールディングス株式会社 is dated 2021-07-02; the most recent is 2024-01-11. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan).

Price & insider activity (12 months)

No price data available

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2024-01-11	BUY	Market Buy	株式会社D&Iインベストメント D&I Investment Co., Ltd.	activist	3.0M	-	-	-
2024-01-11	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	210.1K	-	-	-
2024-01-04	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	90.1K	-	-	-
2024-01-04	BUY	Market Buy	株式会社D&Iインベストメント D&I Investment Co., Ltd.	activist	2.4M	-	-	-
2024-01-04	BUY	Market Buy	株式会社D&Iインベストメント D&I Investment Co., Ltd.	activist	1.8M	-	-	-
2024-01-04	BUY	Market Buy	株式会社D&Iインベストメント D&I Investment Co., Ltd.	activist	1.4M	-	-	-
2024-01-04	BUY	Market Buy	株式会社D&Iインベストメント D&I Investment Co., Ltd.	activist	2.3M	-	-	-
2024-01-04	BUY	Market Buy	株式会社D&Iインベストメント D&I Investment Co., Ltd.	activist	1.8M	-	-	-
2024-01-04	BUY	Market Buy	株式会社D&Iインベストメント D&I Investment Co., Ltd.	activist	1.4M	-	-	-
2024-01-04	BUY	Market Buy	株式会社D&Iインベストメント D&I Investment Co., Ltd.	activist	1.1M	-	-	-
2024-01-04	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	90.1K	-	-	-
2024-01-04	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	90.1K	-	-	-
2024-01-04	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	90.1K	-	-	-
2024-01-04	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	90.1K	-	-	-
2024-01-04	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	90.1K	-	-	-
2024-01-04	BUY	Market Buy	植島幹九郎 Kankuro Ueshima	activist	90.1K	-	-	-
2023-05-18	BUY	Market Buy	西岡勇人 Yuto Nishioka	activist	1.5M	-	-	-
2023-05-18	BUY	Market Buy	株式会社ブレイブ代表取締役西岡勇人 Brave Co., Ltd. Representative Director Hayato Nishioka	passive	180.9K	-	-	-
2023-05-18	BUY	Market Buy	西岡勇人 Yuto Nishioka	activist	1.5M	-	-	-
2023-05-18	BUY	Market Buy	株式会社ウエスト代表取締役百田哲史 West Co., Ltd. Representative Director Satoshi Momota	passive	760.0K	-	-	-
2023-05-18	BUY	Market Buy	株式会社ブレイブ代表取締役西岡勇人 Brave Co., Ltd. Representative Director Hayato Nishioka	passive	180.9K	-	-	-
2023-05-18	BUY	Market Buy	西岡勇人 Yuto Nishioka	activist	1.5M	-	-	-
2023-05-18	BUY	Market Buy	株式会社ウエスト代表取締役百田哲史 West Co., Ltd. Representative Director Satoshi Momota	passive	760.0K	-	-	-
2023-05-18	BUY	Market Buy	株式会社ブレイブ代表取締役西岡勇人 Brave Co., Ltd. Representative Director Hayato Nishioka	passive	180.9K	-	-	-
2023-05-18	BUY	Market Buy	株式会社ウエスト代表取締役百田哲史 West Co., Ltd. Representative Director Satoshi Momota	passive	760.0K	-	-	-
2023-05-18	BUY	Market Buy	株式会社ブレイブ代表取締役西岡勇人 Brave Co., Ltd. Representative Director Hayato Nishioka	passive	180.9K	-	-	-
2023-05-18	BUY	Market Buy	西岡勇人 Yuto Nishioka	activist	1.5M	-	-	-
2023-05-18	BUY	Market Buy	株式会社ウエスト代表取締役百田哲史 West Co., Ltd. Representative Director Satoshi Momota	passive	760.0K	-	-	-
2023-05-18	BUY	Market Buy	株式会社イーストアンドウエスト代表取締役西岡勇人 east and west	passive	2.8M	-	-	-
2023-05-18	BUY	Market Buy	株式会社イーストアンドウエスト代表取締役西岡勇人 east and west	passive	2.8M	-	-	-
2023-05-18	BUY	Market Buy	株式会社イーストアンドウエスト代表取締役西岡勇人 east and west	passive	3.2M	-	-	-
2023-05-18	SELL	Market Buy	福岡夏奈子 Kanako Fukuoka	passive	350.0K	-	-	-
2023-05-18	BUY	Market Buy	株式会社イーストアンドウエスト代表取締役西岡勇人 east and west	passive	3.1M	-	-	-
2023-03-15	BUY	Market Buy	株式会社ブレイブ代表取締役西岡勇人 Brave Co., Ltd. Representative Director Hayato Nishioka	passive	180.9K	-	-	-
2023-03-15	SELL	Market Buy	西岡勇人 Yuto Nishioka	activist	1.5M	-	-	-
2023-03-15	BUY	Market Buy	株式会社ウエスト代表取締役百田哲史 West Co., Ltd. Representative Director Satoshi Momota	passive	760.0K	-	-	-
2023-03-15	BUY	Market Buy	株式会社イーストアンドウエスト代表取締役西岡勇人 east and west	passive	2.8M	-	-	-
2023-02-09	SELL	Market Buy	西岡進 susumu nishioka	passive	0	-	-	-
2023-02-09	BUY	Market Buy	株式会社ウエスト代表取締役百田哲史 West Co., Ltd. Representative Director Satoshi Momota	passive	760.0K	-	-	-
2023-02-09	BUY	Market Buy	株式会社イーストアンドウエスト代表取締役西岡勇人 east and west	passive	2.8M	-	-	-
2023-02-09	BUY	Market Buy	株式会社ブレイブ代表取締役柳瀬和子 Brave Co., Ltd. Representative Director Kazuko Yanase	passive	180.9K	-	-	-
2023-02-09	BUY	Market Buy	西岡勇人 Yuto Nishioka	activist	1.8M	-	-	-
2023-02-09	BUY	Market Buy	西岡江美 Emi Nishioka	passive	350.0K	-	-	-
2023-02-09	BUY	Market Buy	株式会社ウエスト代表取締役百田哲史 West Co., Ltd. Representative Director Satoshi Momota	passive	760.0K	-	-	-
2023-02-09	BUY	Market Buy	株式会社ブレイブ代表取締役柳瀬和子 Brave Co., Ltd. Representative Director Kazuko Yanase	passive	180.9K	-	-	-
2023-02-09	BUY	Market Buy	西岡勇人 Yuto Nishioka	activist	1.8M	-	-	-
2023-02-09	BUY	Market Buy	西岡江美 Emi Nishioka	passive	350.0K	-	-	-
2023-02-09	SELL	Market Buy	西岡進 susumu nishioka	passive	0	-	-	-
2023-02-09	BUY	Market Buy	株式会社イーストアンドウエスト代表取締役西岡勇人 east and west	passive	2.8M	-	-	-
2022-12-15	BUY	Market Buy	西岡江美 Emi Nishioka	passive	350.0K	-	-	-

Showing the 50 most recent of 86 filings.

Frequently asked questions

Who has been buying ルーデン・ホールディングス株式会社 stock?: 11 distinct investors have filed 17 disclosed large-shareholding filings in ルーデン・ホールディングス株式会社 (1400), most recently on 2024-01-11. 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 ルーデン・ホールディングス株式会社 have?: ルーデン・ホールディングス株式会社 has 17 buy-side and 19 sell-side disclosures on record, spanning 2021-07-02 to 2024-01-11.
Where does StockDrifts get ルーデン・ホールディングス株式会社 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 ルーデン・ホールディングス株式会社. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.