Who has been buying Nichicon Corporation stock?

18 distinct investors have filed 35 disclosed large-shareholding filings in Nichicon Corporation (6996), most recently on 2026-04-03. 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 Nichicon Corporation have?

Nichicon Corporation has 35 buy-side and 34 sell-side disclosures on record, covering ¥16.9B ($109.3M) in total reported value, spanning 2021-03-22 to 2026-04-03.

Where does StockDrifts get Nichicon Corporation 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.

Nichicon Corporation 6996

Company

ニチコン株式会社Nichicon Corporation

Investors

Buys

Total Value

¥16.9B ($109.3M)

Avg Return

+75.86%

Last Filing

2026-04-03

Nichicon Corporation (6996) has 35 disclosed large-shareholding filings and 34 disclosed disposals on record, filed by 18 distinct investors. Together those filings cover ¥16.9B ($109.3M) in reported transaction value. The earliest filing StockDrifts holds for Nichicon Corporation is dated 2021-03-22; the most recent is 2026-04-03. 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 +75.86%, 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
2026-08-07	SELL	unknown	野村アセットマネジメント株式会社	other	2.0M	¥2,891	-3.0%	¥385M ($2.5M)
2026-08-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	632.5K	¥2,891	-3.0%	¥1.3B ($8.2M)
2026-08-07	SELL	unknown	野村證券株式会社	other	284.9K	¥2,891	-3.0%	¥1.4B ($8.7M)
2026-07-23	SELL	unknown	アセットマネジメントOne株式会社	other	1.9M	¥3,080	+3.3%	¥2.4B ($15.4M)
2026-07-23	SELL	unknown	みずほ証券株式会社	other	55.9K	¥3,080	+3.3%	¥108M ($695K)
2026-07-23	BUY	unknown	株式会社みずほ銀行	strategic	2.7M	¥3,080	-3.3%	¥8.3B ($53.5M)
2026-06-22	BUY	unknown	野村アセットマネジメント株式会社	other	2.2M	¥4,505	-34.2%	¥9.7B ($62.5M)
2026-06-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.1M	¥4,505	-34.2%	¥4.8B ($31.2M)
2026-06-22	BUY	unknown	野村證券株式会社	other	757.4K	¥4,505	-34.2%	¥3.4B ($22.0M)
2026-04-03	SELL	unknown	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	2.4M	¥1,813	-28.8%	¥685M ($4.4M)
2026-04-03	SELL	unknown	ウエリントン・マネージメント・ジャパン・ピーティーイー・リミテッド Wellington Management Japan Pte Ltd	other	460.2K	¥1,813	-28.8%	¥673M ($4.3M)
2025-12-05	BUY	Market Buy	アセットマネジメントOne株式会社	other	2.7M	¥1,693	+27.6%	¥5.8B ($37.7M)
2025-12-05	SELL	Market Buy	みずほ証券株式会社	other	88.0K	¥1,693	-27.6%	¥190M ($1.2M)
2025-12-05	BUY	Market Buy	株式会社みずほ銀行	strategic	2.7M	¥1,693	-27.6%	¥5.8B ($37.5M)
2025-08-22	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.0M	¥1,313	+64.5%	¥625M ($4.0M)
2025-08-22	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.7M	¥1,313	+64.5%	¥358M ($2.3M)
2025-08-22	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	104.9K	¥1,313	+64.5%	¥9M ($59K)
2025-07-18	BUY	unknown	ウエリントン・マネージメント・ジャパン・ピーティーイー・リミテッド Wellington Management Japan Pte Ltd	other	833.8K	¥1,218	+77.3%	¥1.0B ($6.6M)
2025-07-18	BUY	unknown	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	2.8M	¥1,218	+77.3%	¥3.4B ($21.7M)
2024-12-20	BUY	unknown	みずほインターナショナル Mizuho International plc	unknown	0	¥1,036	+108.5%	-
2024-12-20	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.7M	¥1,036	+108.5%	¥73M ($469K)
2024-12-20	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	110.9K	¥1,036	-108.5%	¥3.0B ($19.2M)
2024-12-20	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.7M	¥1,036	+108.5%	¥105M ($678K)
2024-12-06	BUY	Market Buy	みずほインターナショナル Mizuho International plc	other	0	¥1,026	+110.5%	-
2024-12-06	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.7M	¥1,026	+110.5%	¥632M ($4.1M)
2024-12-06	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	3.1M	¥1,026	+110.5%	¥176M ($1.1M)
2024-12-06	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.7M	¥1,026	+110.5%	¥2.8B ($17.8M)
2024-09-06	BUY	subscription	みずほインターナショナル Mizuho International plc	other	0	¥966	+123.6%	-
2024-09-06	SELL	subscription	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.0M	¥966	-123.6%	¥543M ($3.5M)
2024-09-06	SELL	subscription	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	2.9M	¥966	-123.6%	¥234M ($1.5M)
2024-09-06	BUY	subscription	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.7M	¥966	+123.6%	¥8M ($49K)
2024-04-22	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	353.8K	¥1,286	+68.0%	¥231M ($1.5M)
2024-04-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.2M	¥1,286	+68.0%	¥2.8B ($18.3M)
2024-04-22	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	683.1K	¥1,286	-68.0%	¥1.1B ($7.2M)
2024-01-11	BUY	subscription	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	3.2M	¥1,305	+65.5%	¥122M ($788K)
2024-01-11	BUY	subscription	みずほインターナショナル Mizuho International plc	other	0	¥1,305	+65.5%	-
2024-01-11	SELL	subscription	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.6M	¥1,305	-65.5%	¥1.1B ($6.9M)
2024-01-11	BUY	subscription	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.7M	¥1,305	+65.5%	¥3.5B ($22.6M)
2023-12-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.2M	¥1,307	+65.3%	¥2.9B ($18.6M)
2023-12-22	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	169.1K	¥1,307	+65.3%	¥221M ($1.4M)
2023-12-22	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	1.6M	¥1,307	+65.3%	¥2.0B ($13.1M)
2023-08-03	BUY	subscription	みずほインターナショナル Mizuho International plc	other	0	¥1,351	+59.9%	-
2023-08-03	SELL	subscription	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.5M	¥1,351	-59.9%	¥1.1B ($7.0M)
2023-08-03	BUY	subscription	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	3.1M	¥1,351	+59.9%	¥790M ($5.1M)
2023-08-03	SELL	subscription	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.7M	¥1,351	-59.9%	¥32M ($204K)
2023-04-25	SELL	subscription	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	3.3M	¥1,285	-68.1%	¥210M ($1.4M)
2023-04-25	SELL	subscription	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	2.5M	¥1,285	-68.1%	¥852M ($5.5M)
2023-04-25	BUY	subscription	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.7M	¥1,285	+68.1%	¥3.5B ($22.3M)
2023-03-27	SELL	subscription	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	3.4M	¥1,378	-56.8%	¥54M ($347K)
2023-03-27	BUY	subscription	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	3.1M	¥1,378	+56.8%	¥924M ($6.0M)

Showing the 50 most recent of 100 filings.

Frequently asked questions

Who has been buying Nichicon Corporation stock?: 18 distinct investors have filed 35 disclosed large-shareholding filings in Nichicon Corporation (6996), most recently on 2026-04-03. 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 Nichicon Corporation have?: Nichicon Corporation has 35 buy-side and 34 sell-side disclosures on record, covering ¥16.9B ($109.3M) in total reported value, spanning 2021-03-22 to 2026-04-03.
Where does StockDrifts get Nichicon Corporation 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 Nichicon Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.