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

29 distinct investors have filed 100 disclosed large-shareholding filings in Ibiden Co.,Ltd. (4062), most recently on 2026-05-13. 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 Ibiden Co.,Ltd. have?

Ibiden Co.,Ltd. has 100 buy-side and 75 sell-side disclosures on record, covering ¥1.63T ($10.5B) in total reported value, spanning 2021-08-02 to 2026-05-13.

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.

Ibiden Co.,Ltd. 4062

Company

イビデン株式会社Ibiden Co.,Ltd.

Investors

Buys

100

Total Value

¥1.63T ($10.5B)

Avg Return

+142.38%

Last Filing

2026-05-13

Ibiden Co.,Ltd. (4062) has 100 disclosed large-shareholding filings and 75 disclosed disposals on record, filed by 29 distinct investors. Together those filings cover ¥1.63T ($10.5B) in reported transaction value. The earliest filing StockDrifts holds for Ibiden Co.,Ltd. is dated 2021-08-02; the most recent is 2026-05-13. Across these filings the average return since disclosure is +142.38%, 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	SELL	negotiated	三井住友信託銀行株式会社	strategic	580.5K	¥21,390	-9.1%	¥7.8B ($50.5M)
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	7.0M	¥21,390	-9.1%	¥6.0B ($38.9M)
2026-07-06	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	15.5M	¥21,390	-9.1%	¥53.0B ($342.1M)
2026-06-05	SELL	unknown	野村證券株式会社	other	2.9M	¥18,760	-24.4%	¥3.2B ($20.5M)
2026-06-05	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.2M	¥18,760	-24.4%	¥5.3B ($34.1M)
2026-06-05	BUY	Market Buy	ブラックロック・ジャパン株式会社	passive	6.3M	¥18,760	-	-
2026-06-05	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	653.8K	¥18,760	+24.4%	¥1.6B ($10.2M)
2026-06-05	BUY	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	589.9K	¥18,760	+24.4%	¥529M ($3.4M)
2026-06-05	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	745.7K	¥18,760	-24.4%	¥2.1B ($13.6M)
2026-06-05	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	352.9K	¥18,760	-	-
2026-06-05	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	2.1M	¥18,760	+24.4%	¥1.1B ($6.8M)
2026-06-05	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	5.1M	¥18,760	+24.4%	¥6.3B ($40.9M)
2026-06-05	BUY	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, N.A.	passive	3.1M	¥18,760	+24.4%	¥2.6B ($17.0M)
2026-06-05	SELL	unknown	野村アセットマネジメント株式会社	other	28.4M	¥18,760	-24.4%	¥6.3B ($40.9M)
2026-06-05	BUY	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	1.4M	¥18,760	+24.4%	¥19.0B ($122.8M)
2026-05-13	BUY	Market Buy	野村證券株式会社	other	3.1M	¥17,060	+36.8%	¥4.8B ($31.0M)
2026-05-13	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	1.5M	¥17,060	+36.8%	¥2.4B ($15.5M)
2026-05-13	BUY	block_purchase	野村アセットマネジメント株式会社	other	28.7M	¥17,060	+36.8%	¥7.7B ($49.6M)
2026-03-19	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社	other	7.2M	¥8,268	+182.3%	¥1.2B ($7.5M)
2026-03-19	SELL	negotiated	アモーヴァ・アセットマネジメント株式会社	other	18.0M	¥8,268	-182.3%	¥2.8B ($18.0M)
2026-03-19	SELL	negotiated	三井住友信託銀行株式会社	strategic	967.4K	¥8,268	-182.3%	¥3.5B ($22.5M)
2026-03-17	SELL	subscription	野村證券株式会社	other	2.8M	¥8,499	-174.7%	¥7.7B ($49.4M)
2026-03-17	SELL	subscription	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.4M	¥8,499	-174.7%	¥2.6B ($17.0M)
2026-03-17	SELL	subscription	野村アセットマネジメント株式会社	other	27.9M	¥8,499	-174.7%	¥5.5B ($35.5M)
2026-03-10	BUY	subscription	野村證券株式会社	other	3.7M	¥7,833	+198.0%	¥6.4B ($41.3M)
2026-03-10	SELL	subscription	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.7M	¥7,833	-198.0%	¥1.5B ($10.0M)
2026-03-10	SELL	subscription	野村アセットマネジメント株式会社	other	28.6M	¥7,833	-198.0%	¥13.7B ($88.3M)
2026-03-04	SELL	Market Buy	GICプライベート・リミテッド(GIC Private Limited) GIC Private Limited	activist	10.7M	¥7,950	-193.7%	¥28.4B ($183.5M)
2026-03-04	BUY	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	565.6K	¥7,950	-	-
2026-03-04	BUY	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	834.9K	¥7,950	-	-
2026-03-04	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	366.7K	¥7,950	-	¥2.9B ($18.8M)
2026-03-04	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	2.0M	¥7,950	+193.7%	¥10.1B ($65.0M)
2026-03-04	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	4.8M	¥7,950	+193.7%	¥12.3B ($79.5M)
2026-03-04	BUY	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	3.0M	¥7,950	+193.7%	¥5.8B ($37.6M)
2026-03-04	BUY	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	421.4K	¥7,950	-	¥3.4B ($21.6M)
2026-03-04	BUY	Market Buy	ブラックロック・ジャパン株式会社	passive	6.3M	¥7,950	+193.7%	¥672M ($4.3M)
2026-03-04	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	558.8K	¥7,950	+193.7%	¥1.8B ($11.6M)
2026-02-17	BUY	negotiated	株式会社三菱UFJ銀行	strategic	595.8K	¥8,945	+161.0%	¥5.3B ($34.4M)
2026-02-17	BUY	negotiated	三菱UFJ信託銀行株式会社	passive	4.4M	¥8,945	+161.0%	¥39.2B ($252.7M)
2026-02-17	BUY	negotiated	三菱UFJアセットマネジメント株式会社	passive	8.1M	¥8,945	+161.0%	¥72.3B ($466.7M)
2026-02-17	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社	other	1.1M	¥8,945	+161.0%	¥9.6B ($61.9M)
2026-02-17	SELL	unknown	野村證券株式会社	other	2.9M	¥8,945	-161.0%	¥8.8B ($56.9M)
2026-02-17	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.9M	¥8,945	+161.0%	¥5.8B ($37.4M)
2026-02-17	BUY	unknown	野村アセットマネジメント株式会社	other	30.3M	¥8,945	+161.0%	¥1.8B ($11.4M)
2026-02-06	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	14.0M	¥7,085	-229.5%	¥21.8B ($140.4M)
2026-02-05	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	26.8M	¥7,115	-228.1%	¥2.4B ($15.5M)
2026-01-21	BUY	Market Buy	三井住友信託銀行株式会社	strategic	1.4M	¥8,317	-	-
2026-01-21	SELL	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	7.2M	¥8,317	-180.7%	¥234M ($1.5M)
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	18.6M	¥8,317	+180.7%	¥469M ($3.0M)
2026-01-21	BUY	Market Buy	野村證券株式会社	other	3.9M	¥8,317	+180.7%	¥234M ($1.5M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Ibiden Co.,Ltd. stock?: 29 distinct investors have filed 100 disclosed large-shareholding filings in Ibiden Co.,Ltd. (4062), most recently on 2026-05-13. 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 Ibiden Co.,Ltd. have?: Ibiden Co.,Ltd. has 100 buy-side and 75 sell-side disclosures on record, covering ¥1.63T ($10.5B) in total reported value, spanning 2021-08-02 to 2026-05-13.
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.