Who has been buying Denka Company Limited stock?

8 distinct investors have filed 29 disclosed large-shareholding filings in Denka Company Limited (4061), most recently on 2026-04-22. 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 Denka Company Limited have?

Denka Company Limited has 29 buy-side and 14 sell-side disclosures on record, covering ¥176.0B ($1.1B) in total reported value, spanning 2021-12-07 to 2026-04-22.

Where does StockDrifts get Denka Company Limited 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.

Denka Company Limited 4061

Company

デンカ株式会社Denka Company Limited

Investors

Buys

Total Value

¥176.0B ($1.1B)

Avg Return

+40.73%

Last Filing

2026-04-22

Denka Company Limited (4061) has 29 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥176.0B ($1.1B) in reported transaction value. The earliest filing StockDrifts holds for Denka Company Limited is dated 2021-12-07; the most recent is 2026-04-22. 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 +40.73%, 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
2026-08-06	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	6.4M	¥3,759	-5.9%	¥1.4B ($8.8M)
2026-08-06	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	other	2.6M	¥3,759	-5.9%	¥2.1B ($13.3M)
2026-07-03	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	300.7K	¥4,213	-18.6%	¥1.3B ($8.2M)
2026-07-03	BUY	Market Buy	野村アセットマネジメント株式会社	other	11.4M	¥4,213	-18.6%	¥4.1B ($26.7M)
2026-07-03	BUY	unknown	野村證券株式会社	other	196.9K	¥4,213	-18.6%	¥829M ($5.4M)
2026-07-03	SELL	unknown	野村アセットマネジメント株式会社	other	9.8M	¥4,213	+18.6%	¥6.6B ($42.8M)
2026-07-03	SELL	unknown	野村證券株式会社	other	96.0K	¥4,213	+18.6%	¥410M ($2.6M)
2026-06-26	BUY	Market Buy	アセットマネジメントOne株式会社	other	5.9M	¥4,404	-16.1%	¥4.1B ($26.7M)
2026-06-26	SELL	unknown	みずほ証券株式会社	other	72.1K	¥4,404	+16.1%	¥117M ($755K)
2026-06-26	BUY	unknown	株式会社みずほ銀行	strategic	3.2M	¥4,404	-16.1%	¥14.2B ($91.4M)
2026-06-05	BUY	Market Buy	野村アセットマネジメント株式会社	other	10.4M	¥4,111	+2.5%	¥4.3B ($27.9M)
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	60.3K	¥4,111	-2.5%	¥983M ($6.3M)
2026-06-05	BUY	Market Buy	野村證券株式会社	other	44.3K	¥4,111	+2.5%	¥182M ($1.2M)
2026-04-22	BUY	Market Buy	アセットマネジメントOne株式会社	other	5.0M	¥3,645	+8.1%	¥6.3B ($40.8M)
2026-04-22	BUY	unknown	みずほ証券株式会社	other	99.6K	¥3,645	+8.1%	¥363M ($2.3M)
2026-04-22	BUY	unknown	株式会社みずほ銀行	strategic	3.2M	¥3,645	+8.1%	¥11.7B ($75.6M)
2026-04-03	SELL	unknown	野村證券株式会社	other	-3.5K	¥3,790	-10.1%	¥336M ($2.2M)
2026-04-03	BUY	unknown	野村アセットマネジメント株式会社	other	9.3M	¥3,790	+10.1%	¥1.8B ($11.9M)
2026-04-03	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	305.4K	¥3,790	+10.1%	¥1.2B ($7.5M)
2026-03-19	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	6.1M	¥3,280	+9.7%	¥21.9B ($141.3M)
2026-03-19	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	2.1M	¥3,280	-9.7%	¥7.4B ($48.0M)
2026-03-18	BUY	unknown	野村アセットマネジメント株式会社	other	8.8M	¥3,437	+4.7%	¥31.8B ($205.1M)
2026-03-18	BUY	unknown	野村證券株式会社	other	92.8K	¥3,437	-4.7%	¥334M ($2.2M)
2026-03-05	BUY	unknown	野村アセットマネジメント株式会社	other	6.7M	¥3,410	+5.5%	¥23.9B ($154.4M)
2026-03-05	SELL	unknown	野村證券株式会社	other	-33.7K	¥3,410	-5.5%	¥121M ($782K)
2025-12-05	BUY	Market Buy	アセットマネジメントOne株式会社	other	3.2M	¥2,583	+39.3%	¥11.6B ($74.8M)
2025-12-05	BUY	Market Buy	株式会社みずほ銀行	strategic	3.2M	¥2,583	-39.3%	¥11.6B ($74.7M)
2025-10-21	BUY	unknown	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	5.1M	¥2,275	+58.1%	¥60M ($390K)
2025-10-21	SELL	unknown	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	2.3M	¥2,275	-58.1%	¥302M ($1.9M)
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	5.6M	¥2,296	+56.7%	¥305M ($2.0M)
2025-10-06	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	242.3K	¥2,296	+56.7%	¥6.1B ($39.4M)
2025-09-19	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	5.5M	¥2,331	+54.4%	¥475M ($3.1M)
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	5.1M	¥2,331	+54.4%	¥1.1B ($7.3M)
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	2.5M	¥2,331	+54.4%	¥702M ($4.5M)
2025-09-19	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	212.2K	¥2,331	+54.4%	¥495M ($3.2M)
2025-02-20	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	4.6M	¥2,089.5	+72.2%	¥2.4B ($15.5M)
2025-02-20	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	2.2M	¥2,089.5	-72.2%	¥37M ($239K)
2025-01-09	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	3.5M	¥2,190.5	+64.3%	¥2.6B ($16.6M)
2025-01-09	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	2.2M	¥2,190.5	-64.3%	¥1.5B ($9.5M)
2024-10-04	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.3M	¥2,241.5	+60.5%	¥318M ($2.0M)
2024-10-04	SELL	unknown	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	2.9M	¥2,241.5	-60.5%	¥357M ($2.3M)
2024-06-20	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	2.1M	¥2,150.5	+67.3%	¥171M ($1.1M)
2024-06-20	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	3.0M	¥2,150.5	+67.3%	¥609M ($3.9M)
2024-06-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	5.3M	¥2,149.5	+67.4%	¥11.2B ($72.0M)
2024-06-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	42.9K	¥2,149.5	+67.4%	¥9.3B ($59.9M)
2024-04-19	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	106.6K	¥2,220	+62.1%	¥237M ($1.5M)
2024-04-19	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	6.1M	¥2,220	+62.1%	¥13.3B ($85.6M)
2024-04-19	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	4.2K	¥2,220	-62.1%	¥649M ($4.2M)
2024-02-06	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	2.1M	¥2,568	+40.1%	¥23M ($147K)
2024-02-06	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	2.7M	¥2,568	+40.1%	¥159M ($1.0M)

Showing the 50 most recent of 66 filings.

Frequently asked questions

Who has been buying Denka Company Limited stock?: 8 distinct investors have filed 29 disclosed large-shareholding filings in Denka Company Limited (4061), most recently on 2026-04-22. 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 Denka Company Limited have?: Denka Company Limited has 29 buy-side and 14 sell-side disclosures on record, covering ¥176.0B ($1.1B) in total reported value, spanning 2021-12-07 to 2026-04-22.
Where does StockDrifts get Denka Company Limited 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 Denka Company Limited. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.