Who has been buying Nippon Densetsu Kogyo Co., Ltd. stock?

8 distinct investors have filed 14 disclosed large-shareholding filings in Nippon Densetsu Kogyo Co., Ltd. (1950), most recently on 2026-02-19. 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 Densetsu Kogyo Co., Ltd. have?

Nippon Densetsu Kogyo Co., Ltd. has 14 buy-side and 14 sell-side disclosures on record, covering ¥8.7B ($56.0M) in total reported value, spanning 2022-08-19 to 2026-02-19.

Where does StockDrifts get Nippon Densetsu Kogyo 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 Densetsu Kogyo Co., Ltd. 1950

Company

日本電設工業株式会社Nippon Densetsu Kogyo Co., Ltd.

Investors

Buys

Total Value

¥8.7B ($56.0M)

Avg Return

+172.23%

Last Filing

2026-02-19

Nippon Densetsu Kogyo Co., Ltd. (1950) has 14 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥8.7B ($56.0M) in reported transaction value. The earliest filing StockDrifts holds for Nippon Densetsu Kogyo Co., Ltd. is dated 2022-08-19; the most recent is 2026-02-19. 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 +172.23%, 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
2026-02-19	SELL	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	70.9K	¥5,030	+1.8%	¥350M ($2.3M)
2026-02-19	SELL	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	542.3K	¥5,030	+1.8%	¥2.7B ($17.3M)
2026-02-19	SELL	Market Buy	シュローダー・インベストメント・マネジメント株式会社	passive	2.2M	¥5,030	+1.8%	¥11.0B ($70.9M)
2025-04-21	SELL	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	126.6K	¥2,090	-136.4%	¥39M ($249K)
2025-04-21	SELL	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	804.4K	¥2,090	-136.4%	¥887M ($5.7M)
2025-04-21	SELL	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	2.7M	¥2,090	-136.4%	¥514M ($3.3M)
2025-02-21	BUY	negotiated	株式会社鉄道会館 Tetsudo Kaikan Co., Ltd.	strategic	31.2K	¥2,147	+130.1%	¥67M ($432K)
2025-02-21	BUY	negotiated	株式会社鉄道会館 Tetsudo Kaikan Co., Ltd.	strategic	31.2K	¥2,147	+130.1%	¥67M ($432K)
2025-02-21	BUY	negotiated	東日本旅客鉄道株式会社 East Japan Railway Company	activist	11.6M	¥2,147	+130.1%	¥1.7B ($11.0M)
2025-02-21	BUY	negotiated	東日本旅客鉄道株式会社 East Japan Railway Company	activist	11.6M	¥2,147	+130.1%	¥302M ($1.9M)
2024-12-19	SELL	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	149.8K	¥2,003	-146.6%	¥25M ($159K)
2024-12-19	SELL	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	1.2M	¥2,003	-146.6%	¥234M ($1.5M)
2024-12-19	SELL	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	2.9M	¥2,003	-146.6%	¥1.1B ($7.4M)
2024-06-21	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.5M	¥1,947	+153.7%	¥3.0B ($19.3M)
2024-06-21	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	1.5M	¥1,947	+153.7%	¥2.9B ($18.8M)
2024-06-21	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	532.7K	¥1,947	+153.7%	¥1.0B ($6.7M)
2024-05-21	BUY	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	158.8K	¥1,940	+154.6%	¥24M ($154K)
2024-05-21	BUY	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	1.3M	¥1,940	+154.6%	¥382M ($2.5M)
2024-05-21	SELL	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	3.5M	¥1,940	-154.6%	¥1.6B ($10.3M)
2024-02-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.3M	¥2,081	-137.4%	¥64M ($413K)
2024-02-22	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	532.7K	¥2,081	+137.4%	¥1.1B ($6.8M)
2024-02-15	SELL	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	4.3M	¥2,057	-140.2%	¥1.8B ($11.4M)
2024-02-15	SELL	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	147.3K	¥2,057	-140.2%	¥63M ($408K)
2024-02-15	BUY	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	1.1M	¥2,057	+140.2%	¥203M ($1.3M)
2023-04-07	SELL	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	180.1K	¥1,577	-213.3%	¥2.8B ($18.0M)
2023-04-07	BUY	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	1.1M	¥1,577	+213.3%	¥1.7B ($10.7M)
2023-04-07	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	5.2M	¥1,577	+213.3%	¥2.7B ($17.2M)
2022-11-04	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	3.5M	¥1,609	+207.0%	¥554M ($3.6M)
2022-11-04	BUY	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	1.9M	¥1,609	+207.0%	¥139M ($894K)
2022-11-04	BUY	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	1.1M	¥1,609	+207.0%	¥347M ($2.2M)
2022-08-19	BUY	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	1.9M	¥1,788	+176.3%	¥902M ($5.8M)
2022-08-19	BUY	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	834.3K	¥1,788	+176.3%	¥66M ($426K)
2022-08-19	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	3.1M	¥1,788	+176.3%	¥176M ($1.1M)

Frequently asked questions

Who has been buying Nippon Densetsu Kogyo Co., Ltd. stock?: 8 distinct investors have filed 14 disclosed large-shareholding filings in Nippon Densetsu Kogyo Co., Ltd. (1950), most recently on 2026-02-19. 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 Densetsu Kogyo Co., Ltd. have?: Nippon Densetsu Kogyo Co., Ltd. has 14 buy-side and 14 sell-side disclosures on record, covering ¥8.7B ($56.0M) in total reported value, spanning 2022-08-19 to 2026-02-19.
Where does StockDrifts get Nippon Densetsu Kogyo 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 Densetsu Kogyo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.