Who has been buying Nippon Electric Glass Co., Ltd. stock?

14 distinct investors have filed 57 disclosed large-shareholding filings in Nippon Electric Glass Co., Ltd. (5214), most recently on 2026-04-21. 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 Electric Glass Co., Ltd. have?

Nippon Electric Glass Co., Ltd. has 57 buy-side and 59 sell-side disclosures on record, covering ¥201.2B ($1.3B) in total reported value, spanning 2021-07-06 to 2026-04-21.

Where does StockDrifts get Nippon Electric Glass 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 Electric Glass Co., Ltd. 5214

Company

日本電気硝子株式会社Nippon Electric Glass Co., Ltd.

Investors

Buys

Total Value

¥201.2B ($1.3B)

Avg Return

+141.70%

Last Filing

2026-04-21

Nippon Electric Glass Co., Ltd. (5214) has 57 disclosed large-shareholding filings and 59 disclosed disposals on record, filed by 14 distinct investors. Together those filings cover ¥201.2B ($1.3B) in reported transaction value. The earliest filing StockDrifts holds for Nippon Electric Glass Co., Ltd. is dated 2021-07-06; the most recent is 2026-04-21. 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 +141.70%, 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
2026-08-06	SELL	unknown	野村アセットマネジメント株式会社	other	5.1M	¥4,897	-5.1%	¥4.7B ($30.5M)
2026-08-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	15.2K	¥4,897	-5.1%	¥1.0B ($6.5M)
2026-08-06	SELL	unknown	野村證券株式会社	other	-3.9K	¥4,930	+0.0%	-
2026-04-21	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	5.0M	¥7,926	+10.6%	¥355M ($2.3M)
2026-04-21	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	other	2.0M	¥7,926	-10.6%	¥851M ($5.5M)
2026-04-21	BUY	negotiated	三井住友信託銀行株式会社	strategic	960.0K	¥7,926	-10.6%	¥7.6B ($49.1M)
2026-03-05	SELL	unknown	野村アセットマネジメント株式会社	other	6.1M	¥6,740	-11.9%	¥46.0B ($296.6M)
2026-03-05	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	227.8K	¥6,740	-11.9%	¥1.7B ($11.1M)
2026-03-05	BUY	unknown	野村證券株式会社	other	58.4K	¥6,740	-11.9%	¥441M ($2.8M)
2026-03-05	BUY	negotiated	アモーヴァ・アセットマネジメント株式会社	other	5.0M	¥6,740	+11.9%	¥37.8B ($244.0M)
2026-03-05	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社	other	1.9M	¥6,740	-11.9%	¥14.3B ($92.4M)
2026-03-05	BUY	negotiated	三井住友信託銀行株式会社	strategic	960.0K	¥6,740	-11.9%	¥7.2B ($46.7M)
2026-02-05	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	6.9M	¥6,964	+8.3%	¥1.2B ($7.6M)
2025-11-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	7.9M	¥5,529	+36.4%	¥2.1B ($13.4M)
2025-11-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	235.8K	¥5,529	-36.4%	¥4.1B ($26.5M)
2025-11-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	14.8K	¥5,529	-36.4%	¥49M ($319K)
2025-10-21	BUY	negotiated	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	3.9M	¥4,962	+51.9%	¥19.2B ($124.0M)
2025-10-21	SELL	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	1.9M	¥4,962	-51.9%	¥89M ($573K)
2025-10-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	960.0K	¥4,962	+51.9%	¥4.8B ($30.7M)
2025-10-07	SELL	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	7.5M	¥4,939	-52.6%	¥133M ($856K)
2025-10-07	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	979.9K	¥4,939	+52.6%	¥4.8B ($31.2M)
2025-10-07	SELL	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	26.8K	¥4,939	-52.6%	¥115.0B ($741.7M)
2025-10-06	SELL	negotiated	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	3.9M	¥4,935	-52.8%	¥44M ($285K)
2025-10-06	SELL	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	1.9M	¥4,935	-52.8%	¥177M ($1.1M)
2025-10-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	960.0K	¥4,935	+52.8%	¥4.7B ($30.6M)
2025-09-19	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	7.5M	¥4,854	-55.3%	¥1.3B ($8.1M)
2025-09-19	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-44.0K	¥4,854	-55.3%	¥695M ($4.5M)
2025-09-19	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	3.9M	¥4,854	+55.3%	¥348M ($2.2M)
2025-09-19	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	2.0M	¥4,854	+55.3%	¥1.1B ($7.0M)
2025-09-19	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	261.3K	¥4,854	+55.3%	¥1.3B ($8.2M)
2025-09-19	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	960.0K	¥4,854	+55.3%	¥478M ($3.1M)
2025-08-06	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	7.8M	¥4,111	+83.4%	¥552M ($3.6M)
2025-08-06	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	94.7K	¥4,111	+83.4%	¥389M ($2.5M)
2025-07-22	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	7.6M	¥3,580	-110.6%	¥3.4B ($21.9M)
2025-05-08	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-9.8K	¥3,385	-122.7%	¥4.5B ($29.3M)
2025-05-08	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	8.6M	¥3,385	+122.7%	¥4.1B ($26.2M)
2025-05-08	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	22.0K	¥3,385	+122.7%	¥3.0B ($19.6M)
2025-04-18	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	7.4M	¥3,153	+139.1%	¥395M ($2.5M)
2025-04-18	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	1.3M	¥3,153	-139.1%	¥367M ($2.4M)
2025-04-18	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	7.2K	¥3,153	+139.1%	¥2.8B ($18.2M)
2025-03-21	SELL	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	7.3M	¥3,568	-111.3%	¥4.8B ($30.7M)
2025-03-21	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.4M	¥3,568	+111.3%	¥4.8B ($31.1M)
2025-03-21	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	-2.4K	¥3,568	+111.3%	-
2025-02-26	BUY	unknown	ニプロ医工株式会社 Nipro Medical Engineering Co., Ltd.	unknown	404.9K	¥3,624	+108.0%	¥1.5B ($9.5M)
2025-02-26	BUY	unknown	ニプロ株式会社 NIPRO CORPORATION	strategic	5.0M	¥3,624	+108.0%	¥18.2B ($117.2M)
2025-02-06	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	8.6M	¥3,702	+103.7%	¥5.1B ($33.1M)
2025-02-06	BUY	Market Buy	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	¥3,702	+103.7%	-
2025-02-06	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	100.6K	¥3,702	-103.7%	¥2.5B ($15.8M)
2025-02-06	SELL	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	1.6K	¥3,702	-103.7%	¥3.3B ($21.4M)
2025-01-29	SELL	unknown	ニプロ医工株式会社 Nipro Medical Engineering Co., Ltd.	unknown	0	¥3,369	-123.8%	¥1.4B ($8.9M)

Showing the 50 most recent of 175 filings.

Frequently asked questions

Who has been buying Nippon Electric Glass Co., Ltd. stock?: 14 distinct investors have filed 57 disclosed large-shareholding filings in Nippon Electric Glass Co., Ltd. (5214), most recently on 2026-04-21. 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 Electric Glass Co., Ltd. have?: Nippon Electric Glass Co., Ltd. has 57 buy-side and 59 sell-side disclosures on record, covering ¥201.2B ($1.3B) in total reported value, spanning 2021-07-06 to 2026-04-21.
Where does StockDrifts get Nippon Electric Glass 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 Electric Glass Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.