Who has been buying Kureha Corporation stock?

19 distinct investors have filed 36 disclosed large-shareholding filings in Kureha Corporation (4023), most recently on 2026-01-06. 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 Kureha Corporation have?

Kureha Corporation has 36 buy-side and 32 sell-side disclosures on record, covering ¥41.4B ($267.1M) in total reported value, spanning 2021-04-07 to 2026-01-06.

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.

Kureha Corporation 4023

Company

株式会社クレハKureha Corporation

Investors

Buys

Total Value

¥41.4B ($267.1M)

Avg Return

+45.75%

Last Filing

2026-01-06

Kureha Corporation (4023) has 36 disclosed large-shareholding filings and 32 disclosed disposals on record, filed by 19 distinct investors. Together those filings cover ¥41.4B ($267.1M) in reported transaction value. The earliest filing StockDrifts holds for Kureha Corporation is dated 2021-04-07; the most recent is 2026-01-06. Across these filings the average return since disclosure is +45.75%, 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
2026-07-07	BUY	Market Buy	株式会社みずほ銀行	strategic	1.2M	¥4,115	+1.2%	¥1.5B ($9.9M)
2026-07-07	BUY	unknown	みずほ証券株式会社	other	51.7K	¥4,115	-	¥213M ($1.4M)
2026-07-07	BUY	Market Buy	みずほ信託銀行株式会社	strategic	799.2K	¥4,115	+1.2%	¥1.0B ($6.7M)
2026-07-07	SELL	unknown	アセットマネジメントOne株式会社	other	554.2K	¥4,115	-1.2%	¥712M ($4.6M)
2026-01-06	BUY	Market Buy	明治安田生命保険相互会社 Meiji Yasuda Life Insurance Company	passive	4.0M	¥4,205	-0.9%	¥2.8B ($17.7M)
2025-06-11	SELL	unknown	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	863.8K	¥3,120	-33.5%	¥11.8B ($76.3M)
2025-06-11	BUY	unknown	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	unknown	0	¥3,120	-	-
2025-06-11	BUY	unknown	野村絢 Aya Nomura (Murakami family)	activist	160.9K	¥3,120	+33.5%	¥356M ($2.3M)
2025-06-05	BUY	Market Buy	モラント・ライト・マネジメント・リミテッド(Morant Wright Management Limited) Morant Wright Management Limited	passive	2.2M	¥3,100	-	¥2.0B ($12.7M)
2025-06-05	SELL	Market Buy	モラント・ライト・マネジメント・リミテッド(Morant Wright Management Limited) Morant Wright Management Limited	passive	2.2M	¥3,100	-34.4%	¥2.0B ($12.7M)
2025-05-09	SELL	Market Buy	株式会社レノ Reno Inc. (Murakami-linked)	unknown	0	¥2,610	-59.6%	¥12.8B ($82.8M)
2025-05-09	BUY	Market Buy	野村絢 Aya Nomura (Murakami family)	activist	4.7M	¥2,610	-	¥12.1B ($78.3M)
2025-05-09	BUY	Market Buy	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	4.7M	¥2,610	+59.6%	¥1.7B ($10.8M)
2025-05-09	BUY	Market Buy	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,610	-	-
2025-03-06	BUY	Market Buy	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	4.0M	¥2,836	+46.9%	¥2.3B ($14.6M)
2025-03-06	SELL	Market Buy	野村絢 Aya Nomura (Murakami family)	unknown	0	¥2,836	-46.9%	¥15.2B ($98.0M)
2025-03-06	BUY	Market Buy	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,836	-	-
2025-03-06	BUY	Market Buy	株式会社レノ Reno Inc. (Murakami-linked)	activist	4.9M	¥2,836	-	¥14.0B ($90.0M)
2025-02-12	BUY	Market Buy	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	3.2M	¥2,782	+49.7%	¥1.6B ($10.4M)
2025-02-12	BUY	Market Buy	野村絢 Aya Nomura (Murakami family)	activist	5.4M	¥2,782	-	-
2025-02-12	BUY	Market Buy	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,782	-	-
2024-12-20	BUY	Market Buy	モラント・ライト・マネジメント・リミテッド(Morant Wright Management Limited) Morant Wright Management Limited	passive	2.8M	¥2,746	-	¥7.8B ($50.2M)
2024-12-20	BUY	Market Buy	モラント・ライト・マネジメント・リミテッド(Morant Wright Management Limited) Morant Wright Management Limited	passive	2.8M	¥2,746	+51.7%	¥7.8B ($50.2M)
2024-11-22	BUY	Market Buy	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	2.6M	¥2,802	+48.6%	¥2.0B ($13.0M)
2024-11-22	BUY	Market Buy	野村絢 Aya Nomura (Murakami family)	activist	5.4M	¥2,802	-	-
2024-11-22	BUY	Market Buy	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,802	-	-
2024-07-05	BUY	Market Buy	野村絢 Aya Nomura (Murakami family)	activist	5.4M	¥2,800	+48.8%	¥621M ($4.0M)
2024-07-05	BUY	Market Buy	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	1.9M	¥2,800	+48.8%	¥1.4B ($9.3M)
2024-07-05	BUY	Market Buy	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,800	-	-
2024-05-02	BUY	Market Buy	野村絢 Aya Nomura (Murakami family)	activist	5.4M	¥2,826	-	-
2024-05-02	BUY	Market Buy	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,826	-	-
2024-05-02	BUY	Market Buy	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	1.5M	¥2,826	+47.4%	¥2.2B ($13.9M)
2024-04-23	BUY	Market Buy	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	712.4K	¥2,706	+53.9%	¥1.4B ($8.9M)
2024-04-23	BUY	Market Buy	野村絢 Aya Nomura (Murakami family)	activist	5.4M	¥2,706	+53.9%	¥380M ($2.5M)
2024-04-23	BUY	Market Buy	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,706	-	-
2024-04-22	SELL	Market Buy	レオス・キャピタルワークス株式会社 RHEOS CAPITAL WORKS Inc.	passive	2.2M	¥2,726	-52.8%	¥2.1B ($13.4M)
2024-04-05	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	1.2M	¥2,770	-50.4%	¥811M ($5.2M)
2024-04-05	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	799.2K	¥2,770	-	-
2024-04-05	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.1M	¥2,770	-50.4%	¥957M ($6.2M)
2024-04-01	BUY	unknown	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,729	-	-
2024-04-01	BUY	unknown	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	203.7K	¥2,729	-	-
2024-04-01	BUY	unknown	野村絢 Aya Nomura (Murakami family)	activist	5.3M	¥2,729	+52.6%	¥1.6B ($10.6M)
2024-03-13	BUY	unknown	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	203.7K	¥2,676	-	-
2024-03-13	BUY	unknown	野村絢 Aya Nomura (Murakami family)	activist	4.7M	¥2,676	+55.6%	¥1.7B ($11.0M)
2024-03-13	BUY	unknown	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,676	-	-
2024-03-01	BUY	unknown	野村絢 Aya Nomura (Murakami family)	activist	4.0M	¥2,716	+53.4%	¥1.7B ($10.9M)
2024-03-01	BUY	unknown	株式会社エスグラントコーポレーション S-Grant Corporation Co., Ltd.	activist	203.7K	¥2,716	-	-
2024-03-01	BUY	unknown	株式会社シティインデックスイレブンス City Index Eleven Co., Ltd.	activist	100	¥2,716	-	¥272K ($2K)
2023-12-21	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	701.0K	¥2,846.66	+46.3%	¥2.0B ($12.7M)
2023-12-21	SELL	Market Buy	シュローダー・インベストメント・マネージメント・ノースアメリカ・リミテッド Schroder Investment Management North America Limited	passive	170.4K	¥2,846.66	-46.3%	¥78M ($502K)

Showing the 50 most recent of 105 filings.

Frequently asked questions

Who has been buying Kureha Corporation stock?: 19 distinct investors have filed 36 disclosed large-shareholding filings in Kureha Corporation (4023), most recently on 2026-01-06. 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 Kureha Corporation have?: Kureha Corporation has 36 buy-side and 32 sell-side disclosures on record, covering ¥41.4B ($267.1M) in total reported value, spanning 2021-04-07 to 2026-01-06.
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.