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

19 distinct investors have filed 16 disclosed large-shareholding filings in Nippon Thompson Co., Ltd. (6480), most recently on 2026-02-20. 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 Thompson Co., Ltd. have?

Nippon Thompson Co., Ltd. has 16 buy-side and 13 sell-side disclosures on record, covering ¥8.0B ($51.6M) in total reported value, spanning 2021-07-21 to 2026-02-20.

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 Thompson Co., Ltd. 6480

Company

日本トムソン株式会社Nippon Thompson Co., Ltd.

Investors

Buys

Total Value

¥8.0B ($51.6M)

Avg Return

+67.28%

Last Filing

2026-02-20

Nippon Thompson Co., Ltd. (6480) has 16 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 19 distinct investors. Together those filings cover ¥8.0B ($51.6M) in reported transaction value. The earliest filing StockDrifts holds for Nippon Thompson Co., Ltd. is dated 2021-07-21; the most recent is 2026-02-20. Across these filings the average return since disclosure is +67.28%, 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
2026-02-20	SELL	Market Buy	M&Gインベストメント・マネジメント・リミテッド、M&Gインベストメンツ(シンガポール)ピーティーイー・リミテッドPte. Ltd.) M&G Investment Management Limited	passive	3.3M	¥1,056	-64.3%	¥1.4B ($9.0M)
2026-02-20	BUY	Market Buy	M&Gインベストメンツ(シンガポール)ピーティーイー・リミテッドPte. Ltd.) M&G Investments (Singapore	passive	3.3M	¥1,056	-	¥3.5B ($22.6M)
2026-01-07	BUY	Market Buy	日本トムソン取引先持株会理事長東野哲郎 Tetsuro Higashino	strategic	6.0M	¥862	+101.3%	¥646M ($4.2M)
2026-01-07	BUY	unknown	日本トムソン取引先持株会理事長東野哲郎 Tetsuro Higashino	strategic	6.0M	¥862	-	¥646M ($4.2M)
2025-12-22	SELL	Market Buy	大樹生命保険株式会社	passive	0	¥816	-112.6%	¥84M ($542K)
2025-12-22	BUY	Market Buy	日本生命保険相互会社	passive	4.3M	¥816	-	-
2025-10-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	7.4K	¥685	-153.3%	¥272M ($1.8M)
2025-10-06	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.9M	¥685	-153.3%	¥262M ($1.7M)
2025-10-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	-474	¥685	+52.4%	-
2025-04-22	BUY	Market Buy	M&Gインベストメンツ(シンガポール)ピーティーイー・リミテッドPte. Ltd.) M&G Investments (Singapore	passive	4.6M	¥478	-	¥2.2B ($14.3M)
2025-04-22	BUY	Market Buy	M&Gインベストメント・マネジメント・リミテッド、M&Gインベストメンツ(シンガポール)ピーティーイー・リミテッドPte. Ltd.) M&G Investment Management Limited	passive	4.6M	¥478	+263.0%	¥432M ($2.8M)
2024-09-06	BUY	Market Buy	M&Gインベストメント・マネジメント・リミテッド、M&Gインベストメンツ(シンガポール)ピーティーイー・リミテッドPte. Ltd.) M&G Investment Management Limited	passive	3.7M	¥488	+255.5%	¥1.8B ($11.6M)
2024-09-06	BUY	Market Buy	M&Gインベストメンツ(シンガポール)ピーティーイー・リミテッドPte. Ltd.) M&G Investments (Singapore	passive	3.7M	¥488	-	¥1.8B ($11.7M)
2024-02-07	BUY	Market Buy	M&Gインベストメント・マネジメント・リミテッド(M&G Investment Management Limited) M&G Investment Management Limited	passive	3.7M	¥594	+192.1%	¥2.2B ($14.4M)
2023-11-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	869	¥570	+204.4%	¥495K ($3K)
2023-11-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	403.1K	¥570	+204.4%	¥230M ($1.5M)
2023-11-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.3M	¥570	+204.4%	¥1.9B ($12.2M)
2023-08-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.3M	¥552	-	-
2023-08-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	82.8K	¥552	-	¥46M ($295K)
2023-08-07	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	751.1K	¥552	-214.3%	¥89M ($576K)
2023-08-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	852.1K	¥552	-214.3%	¥422M ($2.7M)
2023-06-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	600.0K	¥572	-	-
2023-06-06	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	1.6M	¥572	-203.3%	¥441M ($2.8M)
2023-06-06	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	850.7K	¥572	+203.3%	¥34M ($217K)
2022-11-22	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.3M	¥592	-	-
2022-11-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	50.0K	¥592	-193.1%	¥30M ($197K)
2022-11-22	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	912.7K	¥592	-193.1%	¥100M ($646K)
2022-11-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.6M	¥592	-193.1%	¥287M ($1.9M)
2022-10-03	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.6M	¥537	-	-
2022-10-03	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	906.2K	¥537	-223.1%	¥343M ($2.2M)
2022-10-03	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	335.5K	¥537	-223.1%	¥118M ($764K)
2022-10-03	BUY	negotiated	エム・ユー投資顧問株式会社 M.U. Investment Advisors Co., Ltd.	passive	106.1K	¥537	-	¥57M ($368K)
2021-12-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.3M	¥707	-	-
2021-12-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	106.2K	¥707	+145.4%	¥16M ($101K)
2021-12-07	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	1.1M	¥707	-145.4%	¥161M ($1.0M)
2021-12-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.1M	¥707	+145.4%	¥171M ($1.1M)
2021-11-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	600.0K	¥722	+140.3%	¥433M ($2.8M)
2021-11-19	BUY	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	2.3M	¥722	+140.3%	¥1.7B ($10.8M)
2021-11-19	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	794.5K	¥722	+140.3%	¥574M ($3.7M)
2021-10-28	BUY	Market Buy	日本トムソン取引先持株会理事長東野哲郎 Tetsuro Higashino	strategic	5.2M	¥576	+201.2%	¥432M ($2.8M)
2021-07-21	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	1.5M	¥631	-175.0%	¥380M ($2.5M)
2021-07-21	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	786.6K	¥631	-175.0%	¥116M ($748K)
2021-07-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	600.0K	¥631	-	-

Frequently asked questions

Who has been buying Nippon Thompson Co., Ltd. stock?: 19 distinct investors have filed 16 disclosed large-shareholding filings in Nippon Thompson Co., Ltd. (6480), most recently on 2026-02-20. 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 Thompson Co., Ltd. have?: Nippon Thompson Co., Ltd. has 16 buy-side and 13 sell-side disclosures on record, covering ¥8.0B ($51.6M) in total reported value, spanning 2021-07-21 to 2026-02-20.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.