Who has been buying Nippon Seisen Co.,Ltd. stock?

11 distinct investors have filed 12 disclosed large-shareholding filings in Nippon Seisen Co.,Ltd. (5659), most recently on 2022-02-07. 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 Nippon Seisen Co.,Ltd. have?

Nippon Seisen Co.,Ltd. has 12 buy-side and 2 sell-side disclosures on record, covering ¥628M ($4.1M) in total reported value, spanning 2021-05-11 to 2022-02-07.

Where does StockDrifts get Nippon Seisen 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.

Nippon Seisen Co.,Ltd. 5659

Company

日本精線株式会社Nippon Seisen Co.,Ltd.

Investors

Buys

Total Value

¥628M ($4.1M)

Avg Return

+60.72%

Last Filing

2022-02-07

Nippon Seisen Co.,Ltd. (5659) has 12 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥628M ($4.1M) in reported transaction value. The earliest filing StockDrifts holds for Nippon Seisen Co.,Ltd. is dated 2021-05-11; the most recent is 2022-02-07. 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 +60.72%, 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
2022-02-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	47.6K	¥896	-62.8%	¥51M ($330K)
2022-02-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	9.2K	¥896	+62.8%	¥582K ($4K)
2022-02-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	135.4K	¥896	+62.8%	¥120M ($772K)
2022-02-04	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	400	¥898	+62.5%	¥490K ($3K)
2022-02-04	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	102.9K	¥898	+62.5%	¥93K ($602)
2022-02-04	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	1.3K	¥898	+62.5%	¥1M ($8K)
2022-02-04	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	59.8K	¥898	+62.5%	¥513K ($3K)
2022-01-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	91.9K	¥922	+58.2%	¥85M ($547K)
2022-01-21	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥922	+58.2%	-
2022-01-21	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	254.4K	¥922	+58.2%	¥235M ($1.5M)
2022-01-21	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	10.3K	¥922	+58.2%	¥10M ($61K)
2022-01-19	BUY	Market Buy	大同興業株式会社 Daido Kogyo Co., Ltd.	strategic	10.7K	¥987	+47.8%	¥11M ($68K)
2022-01-19	BUY	Market Buy	大同特殊鋼株式会社 Daido Steel Co., Ltd.	strategic	3.1M	¥987	+47.8%	¥490M ($3.2M)
2021-05-11	SELL	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	102.1K	¥847	-72.3%	¥71M ($458K)
2021-05-11	BUY	Market Buy	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	156.8K	¥847	+72.3%	¥8M ($53K)

Frequently asked questions

Who has been buying Nippon Seisen Co.,Ltd. stock?: 11 distinct investors have filed 12 disclosed large-shareholding filings in Nippon Seisen Co.,Ltd. (5659), most recently on 2022-02-07. 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 Nippon Seisen Co.,Ltd. have?: Nippon Seisen Co.,Ltd. has 12 buy-side and 2 sell-side disclosures on record, covering ¥628M ($4.1M) in total reported value, spanning 2021-05-11 to 2022-02-07.
Where does StockDrifts get Nippon Seisen 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 Nippon Seisen Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.