Who has been buying THE NIPPON ROAD Co., Ltd. stock?

6 distinct investors have filed 12 disclosed large-shareholding filings in THE NIPPON ROAD Co., Ltd. (1884), most recently on 2025-07-07. 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 THE NIPPON ROAD Co., Ltd. have?

THE NIPPON ROAD Co., Ltd. has 12 buy-side and 6 sell-side disclosures on record, covering ¥52.5B ($338.5M) in total reported value, spanning 2021-05-10 to 2025-07-07.

Where does StockDrifts get THE NIPPON ROAD 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.

THE NIPPON ROAD Co., Ltd. 1884

Company

日本道路株式会社THE NIPPON ROAD Co., Ltd.

Investors

Buys

Total Value

¥52.5B ($338.5M)

Avg Return

+26.99%

Last Filing

2025-07-07

THE NIPPON ROAD Co., Ltd. (1884) has 12 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥52.5B ($338.5M) in reported transaction value. The earliest filing StockDrifts holds for THE NIPPON ROAD Co., Ltd. is dated 2021-05-10; the most recent is 2025-07-07. 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 +26.99%, 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
2025-07-07	SELL	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	0	¥2,507	-0.2%	¥6.4B ($41.4M)
2025-07-03	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	613.9K	¥2,507	-0.2%	¥44M ($284K)
2025-07-03	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	211.8K	¥2,507	-0.2%	¥3.6B ($23.0M)
2025-06-26	BUY	acquisition	清水建設株式会社 SHIMIZU CORPORATION	activist	38.8M	¥2,514	-0.1%	¥47.7B ($308.0M)
2025-06-18	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	633.7K	¥2,516	-0.2%	¥1.6B ($10.3M)
2025-06-18	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.6M	¥2,516	-0.2%	¥4.1B ($26.6M)
2024-01-22	SELL	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	2.6M	¥2,152	-16.7%	¥1.2B ($7.7M)
2022-03-30	SELL	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	691.1K	¥1,708	-47.1%	¥1.3B ($8.5M)
2022-03-23	BUY	negotiated	清水建設株式会社 SHIMIZU CORPORATION	strategic	21.8M	¥2,074	+21.1%	¥45.3B ($292.2M)
2022-03-23	BUY	acquisition	清水建設株式会社 SHIMIZU CORPORATION	corporate	4.4M	¥2,074	+21.1%	¥4.6B ($29.6M)
2022-03-22	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	149.1K	¥1,968	-27.6%	¥154M ($992K)
2022-03-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	203.3K	¥1,968	+27.6%	¥400M ($2.6M)
2022-03-22	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.	unknown	0	¥1,968	+27.6%	-
2022-03-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	115.0K	¥1,968	+27.6%	¥226M ($1.5M)
2022-03-03	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	202.7K	¥1,952	+28.7%	¥396M ($2.6M)
2022-03-03	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	¥1,952	+28.7%	-
2022-03-03	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	115.1K	¥1,952	+28.7%	¥225M ($1.4M)
2022-03-03	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	227.4K	¥1,952	+28.7%	¥444M ($2.9M)
2021-12-06	BUY	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	1.5M	¥1,620	+55.1%	¥171M ($1.1M)
2021-08-16	BUY	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	1.4M	¥1,612	+55.8%	¥161M ($1.0M)
2021-05-10	BUY	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	1.3M	¥1,606	+56.4%	¥158M ($1.0M)

Frequently asked questions

Who has been buying THE NIPPON ROAD Co., Ltd. stock?: 6 distinct investors have filed 12 disclosed large-shareholding filings in THE NIPPON ROAD Co., Ltd. (1884), most recently on 2025-07-07. 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 THE NIPPON ROAD Co., Ltd. have?: THE NIPPON ROAD Co., Ltd. has 12 buy-side and 6 sell-side disclosures on record, covering ¥52.5B ($338.5M) in total reported value, spanning 2021-05-10 to 2025-07-07.
Where does StockDrifts get THE NIPPON ROAD 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 THE NIPPON ROAD Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.