Who has been buying Nippon Steel Corporation stock?

25 distinct investors have filed 55 disclosed large-shareholding filings in Nippon Steel Corporation (5401), most recently on 2026-04-06. 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 Steel Corporation have?

Nippon Steel Corporation has 55 buy-side and 45 sell-side disclosures on record, covering ¥89.1B ($574.7M) in total reported value, spanning 2021-10-18 to 2026-04-06.

Where does StockDrifts get Nippon Steel Corporation 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 Steel Corporation 5401

Company

日本製鉄株式会社Nippon Steel Corporation

Investors

Buys

Total Value

¥89.1B ($574.7M)

Avg Return

+15.31%

Last Filing

2026-04-06

Nippon Steel Corporation (5401) has 55 disclosed large-shareholding filings and 45 disclosed disposals on record, filed by 25 distinct investors. Together those filings cover ¥89.1B ($574.7M) in reported transaction value. The earliest filing StockDrifts holds for Nippon Steel Corporation is dated 2021-10-18; the most recent is 2026-04-06. 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 +15.31%, 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	BUY	unknown	アモーヴァ・アセットマネジメント株式会社	other	96.9M	¥683.5	-1.1%	¥66.2B ($427.1M)
2026-08-06	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社	other	139.8M	¥683.5	-1.1%	¥95.5B ($616.3M)
2026-08-06	BUY	unknown	三井住友信託銀行株式会社	other	32.2M	¥683.5	-1.1%	¥22.0B ($142.0M)
2026-04-06	BUY	unknown	野村アセットマネジメント株式会社	other	228.9M	¥586.7	-2.5%	¥134.3B ($866.5M)
2026-04-06	BUY	unknown	野村證券株式会社	other	13.8M	¥586.7	-2.5%	¥8.1B ($52.3M)
2026-04-06	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	¥586.7	-2.5%	-
2026-04-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	42.5M	¥586.7	-2.5%	¥24.9B ($161.0M)
2025-09-19	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	16.9M	¥644.8	+7.0%	¥762M ($4.9M)
2025-09-19	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	25.9M	¥644.8	+7.0%	¥2.0B ($13.0M)
2025-09-19	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	7.9M	¥644.8	+7.0%	¥41.6B ($268.3M)
2024-10-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	39.5M	¥611.6	-1.9%	¥24.2B ($155.8M)
2024-10-21	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	320.0K	¥611.6	-1.9%	¥185M ($1.2M)
2024-10-21	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	5.8M	¥611.6	-1.9%	¥3.2B ($20.7M)
2024-10-21	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	4.2M	¥611.6	+1.9%	¥10.4B ($67.1M)
2024-10-03	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	39.5M	¥644.6	-7.0%	¥1.9B ($12.6M)
2024-10-03	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	¥644.6	-7.0%	-
2024-10-03	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	580.9K	¥644.6	+7.0%	¥23.0B ($148.6M)
2024-10-03	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	21.2M	¥644.6	-7.0%	¥12.7B ($81.6M)
2024-09-20	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	35.9M	¥637.2	-5.9%	¥15.3B ($98.7M)
2024-09-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	35.8M	¥637.2	-5.9%	¥22.8B ($147.0M)
2024-09-20	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	¥637.2	-5.9%	-
2024-09-20	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	16.6M	¥637.2	+5.9%	¥378M ($2.4M)
2024-09-20	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	26.6M	¥637.2	+5.9%	¥126M ($813K)
2024-09-20	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	7.9M	¥637.2	+5.9%	¥189M ($1.2M)
2024-09-20	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	1.6M	¥637.2	+5.9%	¥14.8B ($95.5M)
2024-09-06	BUY	subscription	みずほインターナショナル Mizuho International plc	other	0	¥616.4	-2.7%	-
2024-09-06	BUY	subscription	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	31.1M	¥616.4	-2.7%	¥244M ($1.6M)
2024-09-06	SELL	subscription	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	7.2M	¥616.4	+2.7%	¥1.2B ($7.5M)
2024-09-06	SELL	subscription	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	11.0M	¥616.4	+2.7%	¥975M ($6.3M)
2024-09-05	BUY	subscription	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	35.8M	¥630.2	-4.8%	¥8.8B ($57.1M)
2024-09-05	BUY	subscription	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	¥630.2	-4.8%	-
2024-09-05	BUY	subscription	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	12.0M	¥630.2	-4.8%	¥1.6B ($10.0M)
2024-09-05	SELL	subscription	野村證券株式会社 Nomura Securities Co.,Ltd.	other	25.4M	¥630.2	+4.8%	¥2.8B ($18.1M)
2024-05-07	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	20.9M	¥691.4	+13.3%	¥1.1B ($6.8M)
2024-05-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	29.0M	¥691.4	+13.3%	¥854M ($5.5M)
2024-05-07	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	¥691.4	-13.3%	-
2024-05-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	9.2M	¥691.4	-13.3%	¥1.3B ($8.5M)
2024-04-19	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	16.5M	¥682.4	-12.1%	¥324M ($2.1M)
2024-04-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	7.9M	¥682.4	-12.1%	¥5.4B ($34.8M)
2024-04-19	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	25.8M	¥682.4	+12.1%	¥648M ($4.2M)
2024-04-04	BUY	subscription	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	22.4M	¥717.6	-16.4%	¥2.2B ($14.1M)
2024-04-04	BUY	subscription	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	¥717.6	-16.4%	-
2024-04-04	SELL	subscription	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	7.2M	¥717.6	+16.4%	¥1.9B ($12.3M)
2024-04-04	BUY	subscription	野村證券株式会社 Nomura Securities Co.,Ltd.	other	30.2M	¥717.6	-16.4%	¥409M ($2.6M)
2024-03-21	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.	other	0	¥741.8	-19.1%	-
2024-03-21	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	29.7M	¥741.8	-19.1%	¥1.9B ($12.3M)
2024-03-21	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	10.0M	¥741.8	-19.1%	¥3.5B ($22.3M)
2024-03-21	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	19.4M	¥741.8	+19.1%	¥282M ($1.8M)
2024-02-06	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	16.0M	¥703	+14.7%	¥334M ($2.2M)
2024-02-06	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	26.8M	¥703	+14.7%	¥1.8B ($11.6M)

Showing the 50 most recent of 133 filings.

Frequently asked questions

Who has been buying Nippon Steel Corporation stock?: 25 distinct investors have filed 55 disclosed large-shareholding filings in Nippon Steel Corporation (5401), most recently on 2026-04-06. 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 Steel Corporation have?: Nippon Steel Corporation has 55 buy-side and 45 sell-side disclosures on record, covering ¥89.1B ($574.7M) in total reported value, spanning 2021-10-18 to 2026-04-06.
Where does StockDrifts get Nippon Steel Corporation 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 Steel Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.