Who has been buying CKD Corporation stock?

11 distinct investors have filed 30 disclosed large-shareholding filings in CKD Corporation (6407), most recently on 2026-03-23. 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 CKD Corporation have?

CKD Corporation has 30 buy-side and 19 sell-side disclosures on record, covering ¥74.6B ($481.1M) in total reported value, spanning 2021-03-19 to 2026-03-23.

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.

CKD Corporation 6407

Company

ＣＫＤ株式会社CKD Corporation

Investors

Buys

Total Value

¥74.6B ($481.1M)

Avg Return

+126.21%

Last Filing

2026-03-23

CKD Corporation (6407) has 30 disclosed large-shareholding filings and 19 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥74.6B ($481.1M) in reported transaction value. The earliest filing StockDrifts holds for CKD Corporation is dated 2021-03-19; the most recent is 2026-03-23. Across these filings the average return since disclosure is +126.21%, 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
2026-09-07	BUY	unknown	株式会社三井住友銀行	other	1.3M	¥5,520	-	-
2026-09-07	SELL	Market Buy	三井住友DSアセットマネジメント株式会社	passive	3.2M	¥5,520	+7.6%	¥5.2B ($33.9M)
2026-07-22	BUY	negotiated	三井住友信託銀行株式会社	strategic	1.0M	¥6,570	-	-
2026-07-22	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	1.5M	¥6,570	+22.4%	¥2.9B ($19.0M)
2026-07-22	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	1.9M	¥6,570	+22.4%	¥1.8B ($11.5M)
2026-03-23	SELL	unknown	みずほ証券株式会社	other	51.8K	¥4,140	-23.2%	¥1.2B ($7.8M)
2026-03-23	SELL	unknown	アセットマネジメントOne株式会社	other	2.6M	¥4,140	-23.2%	¥2.6B ($16.5M)
2026-02-06	BUY	Market Buy	三井住友ＤＳアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	5.5M	¥4,270	+19.4%	¥3.3B ($21.1M)
2026-01-09	BUY	unknown	みずほ証券株式会社	other	346.8K	¥3,350	+52.2%	¥1.2B ($7.5M)
2026-01-09	BUY	unknown	アセットマネジメントOne株式会社	other	3.2M	¥3,350	+52.2%	¥10.9B ($70.1M)
2025-12-19	BUY	Market Buy	三井住友信託銀行株式会社	strategic	1.0M	¥2,760	-	-
2025-12-19	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	other	2.0M	¥2,760	+84.8%	¥375M ($2.4M)
2025-12-19	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	2.2M	¥2,760	+84.8%	¥1.8B ($11.4M)
2025-12-05	BUY	Market Buy	株式会社三井住友銀行	other	1.3M	¥2,590	-	-
2025-12-05	SELL	Market Buy	三井住友DSアセットマネジメント株式会社	passive	3.4M	¥2,590	-96.9%	¥2.3B ($14.8M)
2025-12-04	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	244.5K	¥2,583	+97.4%	¥386M ($2.5M)
2025-12-04	SELL	unknown	野村アセットマネジメント株式会社	other	2.1M	¥2,583	-97.4%	¥3.0B ($19.6M)
2025-11-21	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	4.3M	¥2,526	+101.9%	¥1.8B ($11.6M)
2025-11-21	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.3M	¥2,526	-	-
2025-10-21	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.0M	¥3,220	-	-
2025-10-21	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 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.8M	¥3,220	+58.4%	¥1.7B ($11.0M)
2025-10-21	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	1.5M	¥3,220	+58.4%	¥678M ($4.4M)
2025-09-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	92.1K	¥2,725	+87.2%	¥37M ($239K)
2025-09-22	SELL	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	¥2,725	-87.2%	¥2.9B ($18.9M)
2025-09-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.0M	¥2,710	-	-
2025-09-19	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	1.3M	¥2,710	+88.2%	¥55M ($356K)
2025-09-19	SELL	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	1.3M	¥2,710	-88.2%	¥294M ($1.9M)
2025-08-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	81.5K	¥2,549	-100.1%	¥57.1B ($368.5M)
2025-08-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	4.4M	¥2,549	+100.1%	¥11.1B ($71.4M)
2025-07-07	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	3.6M	¥2,581	+97.6%	¥1.9B ($12.6M)
2025-07-07	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.3M	¥2,581	-	-
2025-07-04	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.0M	¥2,616	-	-
2025-07-04	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 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.3M	¥2,616	-95.0%	¥1.3B ($8.4M)
2025-07-04	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	1.4M	¥2,616	+95.0%	¥2.0B ($12.6M)
2025-06-06	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.8M	¥2,301	+121.6%	¥6.5B ($42.1M)
2025-06-06	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.3M	¥2,301	+121.6%	¥2.9B ($19.0M)
2025-05-22	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	5.2M	¥2,275	+124.2%	¥1.2B ($7.8M)
2025-05-22	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	306.2K	¥2,275	+124.2%	¥51.0B ($328.9M)
2025-03-05	SELL	Market Buy	アーチザン・インベストメンツ・ジーピー・エルエルシー(Artisan Investments GP LLC) Artisan Investments GP LLC	passive	3.3M	¥2,181	-133.8%	¥1.6B ($10.3M)
2024-12-06	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.6M	¥2,451	-	-
2024-12-06	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.1M	¥2,451	-108.1%	¥1.7B ($11.2M)
2024-11-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.6M	¥2,506	-103.5%	¥1.9B ($12.5M)
2024-09-06	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.8M	¥2,606	+95.7%	¥4.7B ($30.6M)
2024-09-06	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	3.4M	¥2,606	+95.7%	¥8.9B ($57.4M)
2024-09-06	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.6M	¥2,606	+95.7%	¥4.1B ($26.6M)
2024-05-20	SELL	Market Buy	アーチザン・インベストメンツ・ジーピー・エルエルシー(Artisan Investments GP LLC) Artisan Investments GP LLC	passive	4.0M	¥3,225	-58.1%	¥3.3B ($21.3M)
2024-03-22	SELL	Market Buy	アーチザン・インベストメンツ・ジーピー・エルエルシー(Artisan Investments GP LLC) Artisan Investments GP LLC	passive	5.1M	¥3,165	-61.1%	¥2.9B ($18.4M)
2023-09-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	50.1K	¥2,163	+135.8%	¥9.7B ($62.8M)
2023-09-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	83.0K	¥2,163	-	¥179M ($1.2M)
2023-09-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	4.7M	¥2,163	+135.8%	¥1.8B ($11.5M)

Showing the 50 most recent of 68 filings.

Frequently asked questions

Who has been buying CKD Corporation stock?: 11 distinct investors have filed 30 disclosed large-shareholding filings in CKD Corporation (6407), most recently on 2026-03-23. 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 CKD Corporation have?: CKD Corporation has 30 buy-side and 19 sell-side disclosures on record, covering ¥74.6B ($481.1M) in total reported value, spanning 2021-03-19 to 2026-03-23.
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.