Who has been buying Yamaha Motor Co., Ltd. stock?

32 distinct investors have filed 128 disclosed large-shareholding filings in Yamaha Motor Co., Ltd. (7272), most recently on 2026-03-06. 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 Yamaha Motor Co., Ltd. have?

Yamaha Motor Co., Ltd. has 128 buy-side and 101 sell-side disclosures on record, covering ¥713.3B ($4.6B) in total reported value, spanning 2021-04-19 to 2026-03-06.

Where does StockDrifts get Yamaha Motor 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.

Yamaha Motor Co., Ltd. 7272

Company

ヤマハ発動機株式会社Yamaha Motor Co., Ltd.

Investors

Buys

128

Total Value

¥713.3B ($4.6B)

Avg Return

+5.53%

Last Filing

2026-03-06

Yamaha Motor Co., Ltd. (7272) has 128 disclosed large-shareholding filings and 101 disclosed disposals on record, filed by 32 distinct investors. Together those filings cover ¥713.3B ($4.6B) in reported transaction value. The earliest filing StockDrifts holds for Yamaha Motor Co., Ltd. is dated 2021-04-19; the most recent is 2026-03-06. 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 +5.53%, 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
2026-07-06	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	33.7M	¥1,274	+41.7%	¥908M ($5.9M)
2026-07-06	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社	other	25.2M	¥1,274	-41.7%	¥2.1B ($13.4M)
2026-07-06	SELL	negotiated	三井住友信託銀行株式会社	strategic	2.0M	¥1,274	-41.7%	¥1.2B ($7.5M)
2026-03-06	BUY	unknown	野村アセットマネジメント株式会社	other	72.7M	¥1,147	+0.9%	¥84.1B ($542.9M)
2026-03-06	SELL	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	¥1,147	-0.9%	-
2026-03-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	3.1M	¥1,147	-0.9%	¥3.6B ($23.2M)
2026-02-05	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	62.9M	¥1,079	-7.3%	¥659M ($4.3M)
2026-01-21	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	32.0M	¥1,217.5	+4.9%	¥37.0B ($238.6M)
2026-01-21	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	28.5M	¥1,217.5	-4.9%	¥33.0B ($213.1M)
2026-01-21	BUY	Market Buy	三井住友信託銀行株式会社	strategic	3.0M	¥1,217.5	+4.9%	¥3.5B ($22.4M)
2026-01-08	BUY	negotiated	アモーヴァ・アセットマネジメント株式会社	other	31.9M	¥1,203	-3.8%	¥37.0B ($238.6M)
2026-01-08	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	27.8M	¥1,203	+3.8%	¥32.2B ($207.9M)
2026-01-08	BUY	negotiated	三井住友信託銀行株式会社	strategic	3.0M	¥1,203	+3.8%	¥3.5B ($22.4M)
2025-12-18	SELL	Market Buy	ブラックロック・インベストメント・マネジメント(ユーケー)リミテッドLimited) BlackRock Investment Management (UK	passive	1.6M	¥1,184	+2.2%	¥1.8B ($11.8M)
2025-12-18	SELL	Market Buy	ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ.(BlackRock Institutional Trust Company	passive	11.7M	¥1,184	+2.2%	¥13.6B ($87.7M)
2025-12-18	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	22.9M	¥1,184	-2.2%	¥26.6B ($171.3M)
2025-12-18	BUY	Market Buy	ブラックロック・アセット・マネジメント・アイルランド・リミテッド BlackRock Asset Management Ireland Limited	passive	11.0M	¥1,184	-2.2%	¥12.8B ($82.3M)
2025-12-18	BUY	Market Buy	ブラックロック・アセット・マネジメント・カナダ・リミテッド BlackRock Asset Management Canada Limited	passive	3.8M	¥1,184	-2.2%	¥4.4B ($28.7M)
2025-12-18	SELL	Market Buy	ブラックロック(ルクセンブルグ)エス・エーS.A.) BlackRock (Luxembourg	passive	102.8K	¥1,184	+2.2%	¥119M ($768K)
2025-12-18	SELL	Market Buy	ブラックロック・ファンド・マネジャーズ・リミテッド BlackRock Fund Managers Limited	passive	4.3M	¥1,184	+2.2%	¥5.0B ($32.4M)
2025-12-18	SELL	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	3.4M	¥1,184	+2.2%	¥3.9B ($25.3M)
2025-12-18	SELL	Market Buy	ブラックロック・インベストメント・マネジメント (オーストラリア)リミテッドLimited) BlackRock Investment Management (Australia	passive	774.1K	¥1,184	+2.2%	¥896M ($5.8M)
2025-12-18	SELL	Market Buy	ブラックロック・ジャパン株式会社	passive	21.3M	¥1,184	+2.2%	¥24.7B ($159.1M)
2025-12-04	BUY	Market Buy	野村アセットマネジメント株式会社	other	72.2M	¥1,134.5	+2.0%	¥83.6B ($539.0M)
2025-12-04	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	1.9M	¥1,134.5	-2.0%	¥2.2B ($14.0M)
2025-10-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	71.6M	¥1,143.5	+1.2%	¥1.2B ($7.5M)
2025-10-22	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.	other	1.9M	¥1,143.5	+1.2%	¥2.1B ($13.5M)
2025-10-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	458.4K	¥1,143.5	-1.2%	¥8.7B ($56.3M)
2025-10-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	611.0K	¥1,143.5	+1.2%	¥582M ($3.8M)
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	31.1M	¥1,111	+4.2%	¥113M ($730K)
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	29.3M	¥1,111	-4.2%	¥226M ($1.5M)
2025-10-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	3.0M	¥1,111	+4.2%	¥3.3B ($21.5M)
2025-10-14	BUY	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	89.5M	¥1,080	+7.2%	¥11.3B ($73.1M)
2025-10-06	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	30.9M	¥1,137	+1.8%	¥347M ($2.2M)
2025-10-06	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	70.5M	¥1,137	+1.8%	¥2.5B ($16.4M)
2025-10-06	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	52.0K	¥1,137	+1.8%	¥59M ($382K)
2025-10-06	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	3.0M	¥1,137	+1.8%	¥3.4B ($22.0M)
2025-10-06	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.	other	0	¥1,137	+1.8%	-
2025-10-06	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	8.1M	¥1,137	+1.8%	¥7.9B ($50.8M)
2025-10-06	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	29.5M	¥1,137	+1.8%	¥579M ($3.7M)
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	30.7M	¥1,106	+4.7%	¥33.9B ($219.0M)
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	29.0M	¥1,106	+4.7%	¥450M ($2.9M)
2025-09-19	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	3.0M	¥1,106	+4.7%	¥3.3B ($21.4M)
2025-09-04	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	30.6M	¥1,104.5	-4.8%	¥112M ($725K)
2025-09-04	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	28.6M	¥1,104.5	-4.8%	¥450M ($2.9M)
2025-09-04	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	3.0M	¥1,104.5	+4.8%	¥3.3B ($21.4M)
2025-08-06	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	30.7M	¥1,056.5	+9.6%	¥1.7B ($11.1M)
2025-08-06	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	29.0M	¥1,056.5	+9.6%	¥3.2B ($20.8M)
2025-08-06	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	3.0M	¥1,056.5	+9.6%	¥3.2B ($20.4M)
2025-07-17	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	68.3M	¥1,062	+9.0%	¥71.8B ($463.3M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Yamaha Motor Co., Ltd. stock?: 32 distinct investors have filed 128 disclosed large-shareholding filings in Yamaha Motor Co., Ltd. (7272), most recently on 2026-03-06. 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 Yamaha Motor Co., Ltd. have?: Yamaha Motor Co., Ltd. has 128 buy-side and 101 sell-side disclosures on record, covering ¥713.3B ($4.6B) in total reported value, spanning 2021-04-19 to 2026-03-06.
Where does StockDrifts get Yamaha Motor 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 Yamaha Motor Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.