Who has been buying Miura Co., Ltd. stock?

15 distinct investors have filed 19 disclosed large-shareholding filings in Miura Co., Ltd. (6005), most recently on 2026-03-19. 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 Miura Co., Ltd. have?

Miura Co., Ltd. has 19 buy-side and 16 sell-side disclosures on record, covering ¥26.0B ($167.4M) in total reported value, spanning 2022-03-18 to 2026-03-19.

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.

Miura Co., Ltd. 6005

Company

三浦工業株式会社Miura Co., Ltd.

Investors

Buys

Total Value

¥26.0B ($167.4M)

Avg Return

+12.45%

Last Filing

2026-03-19

Miura Co., Ltd. (6005) has 19 disclosed large-shareholding filings and 16 disclosed disposals on record, filed by 15 distinct investors. Together those filings cover ¥26.0B ($167.4M) in reported transaction value. The earliest filing StockDrifts holds for Miura Co., Ltd. is dated 2022-03-18; the most recent is 2026-03-19. Across these filings the average return since disclosure is +12.45%, 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
2026-08-24	BUY	acquisition	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	6.3M	¥3,192	-1.2%	¥20.3B ($130.7M)
2026-03-19	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	2.4M	¥3,179	-0.8%	¥7.7B ($49.9M)
2026-03-19	BUY	unknown	アモーヴァ・アセットマネジメント株式会社	other	4.0M	¥3,179	-0.8%	¥12.6B ($81.6M)
2024-10-22	SELL	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	1.7M	¥3,600	+12.4%	¥4.0B ($25.6M)
2024-10-22	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	3.2M	¥3,600	+12.4%	¥541M ($3.5M)
2024-10-22	BUY	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	732.4K	¥3,600	-12.4%	¥180M ($1.2M)
2024-10-22	SELL	Market Buy	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	489.7K	¥3,600	+12.4%	¥361M ($2.3M)
2024-10-22	SELL	Market Buy	キャピタル・グループ・インベストメント・マネージメント・ピーティーイー・リミテッド Capital Group Investment Management Pte. Ltd.	passive	0	¥3,600	+12.4%	¥992M ($6.4M)
2024-03-25	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	3.3M	¥2,907.5	+8.5%	¥2.4B ($15.3M)
2024-03-25	BUY	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	681.4K	¥2,907.5	+8.5%	¥619M ($4.0M)
2024-03-25	BUY	Market Buy	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	584.7K	¥2,907.5	+8.5%	¥474M ($3.1M)
2024-03-25	BUY	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	2.8M	¥2,907.5	+8.5%	¥73M ($470K)
2024-03-25	BUY	Market Buy	キャピタル・グループ・インベストメント・マネージメント・ピーティーイー・リミテッド Capital Group Investment Management Pte. Ltd.	passive	271.2K	¥2,907.5	+8.5%	¥219M ($1.4M)
2023-11-22	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	2.5M	¥2,878	+9.6%	¥7.2B ($46.7M)
2023-11-22	BUY	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	457.7K	¥2,878	+9.6%	¥1.3B ($8.5M)
2023-11-22	BUY	Market Buy	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	425.0K	¥2,878	+9.6%	¥1.2B ($7.9M)
2023-11-22	BUY	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	2.8M	¥2,878	+9.6%	¥8.1B ($52.2M)
2023-11-22	BUY	Market Buy	キャピタル・グループ・インベストメント・マネージメント・ピーティーイー・リミテッド Capital Group Investment Management Pte. Ltd.	passive	194.4K	¥2,878	+9.6%	¥559M ($3.6M)
2023-06-07	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	5.8M	¥3,801	+17.0%	¥6.6B ($42.7M)
2023-03-23	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	7.6M	¥3,260	+3.3%	¥5.0B ($32.1M)
2023-02-07	SELL	unknown	フィデリティ投信株式会社 FIL Investments (Japan) Limited	other	9.1M	¥3,170	+0.5%	¥4.9B ($31.8M)
2022-12-19	BUY	negotiated	株式会社伊予銀行 The Iyo Bank, Ltd.	strategic	5.3M	¥3,130	+0.8%	¥16.7B ($107.6M)
2022-12-19	BUY	negotiated	いよぎんリース株式会社 Iyogin Lease Co., Ltd.	strategic	2.9M	¥3,130	+0.8%	¥9.1B ($58.7M)
2022-12-19	BUY	negotiated	いよぎん保証株式会社 Iyogin Guarantee Co., Ltd.	strategic	1.3M	¥3,130	+0.8%	¥4.0B ($26.0M)
2022-06-17	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社 JPMorgan Asset Management (Japan) Limited	passive	3.9M	¥2,619	-20.4%	¥459M ($3.0M)
2022-06-17	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	339.7K	¥2,619	-	-
2022-06-17	SELL	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	71.3K	¥2,619	-20.4%	¥6.4B ($41.1M)
2022-06-17	SELL	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	1.1M	¥2,619	-20.4%	¥3.2B ($20.7M)
2022-06-03	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社 JPMorgan Asset Management (Japan) Limited	passive	4.1M	¥2,869	-9.9%	¥2.4B ($15.3M)
2022-06-03	SELL	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	339.7K	¥2,869	-9.9%	¥144M ($928K)
2022-06-03	BUY	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	23.9K	¥2,869	+9.9%	¥6.2B ($40.1M)
2022-06-03	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	2.3M	¥2,869	+9.9%	¥3.2B ($20.9M)
2022-04-05	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社 JPMorgan Asset Management (Japan) Limited	passive	4.9M	¥3,015	-4.6%	¥264M ($1.7M)
2022-04-05	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	389.2K	¥3,015	-	-
2022-04-05	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	1.2M	¥3,015	+4.6%	¥604M ($3.9M)
2022-04-05	SELL	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	339.9K	¥3,015	-4.6%	¥302M ($1.9M)
2022-03-18	SELL	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	394.1K	¥3,110	-1.4%	¥351M ($2.3M)
2022-03-18	BUY	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	442.2K	¥3,110	-	¥1.4B ($8.9M)
2022-03-18	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	970.0K	¥3,110	-	¥3.0B ($19.5M)
2022-03-18	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社 JPMorgan Asset Management (Japan) Limited	passive	5.0M	¥3,110	-1.4%	¥4.1B ($26.6M)

Frequently asked questions

Who has been buying Miura Co., Ltd. stock?: 15 distinct investors have filed 19 disclosed large-shareholding filings in Miura Co., Ltd. (6005), most recently on 2026-03-19. 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 Miura Co., Ltd. have?: Miura Co., Ltd. has 19 buy-side and 16 sell-side disclosures on record, covering ¥26.0B ($167.4M) in total reported value, spanning 2022-03-18 to 2026-03-19.
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.