Who has been buying Daicel Corporation stock?

16 distinct investors have filed 29 disclosed large-shareholding filings in Daicel Corporation (4202), most recently on 2026-04-06. 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 Daicel Corporation have?

Daicel Corporation has 29 buy-side and 26 sell-side disclosures on record, covering ¥86.1B ($555.4M) in total reported value, spanning 2021-03-24 to 2026-04-06.

Where does StockDrifts get Daicel 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.

Daicel Corporation 4202

Company

株式会社ダイセルDaicel Corporation

Investors

Buys

Total Value

¥86.1B ($555.4M)

Avg Return

+10.58%

Last Filing

2026-04-06

Daicel Corporation (4202) has 29 disclosed large-shareholding filings and 26 disclosed disposals on record, filed by 16 distinct investors. Together those filings cover ¥86.1B ($555.4M) in reported transaction value. The earliest filing StockDrifts holds for Daicel Corporation is dated 2021-03-24; the most recent is 2026-04-06. 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 +10.58%, 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	SELL	unknown	野村アセットマネジメント株式会社	other	10.6M	¥1,463	-1.7%	¥6.0B ($38.4M)
2026-08-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	216.9K	¥1,463	+1.7%	¥317M ($2.0M)
2026-08-06	BUY	unknown	野村證券株式会社	other	395.0K	¥1,463	+1.7%	¥578M ($3.7M)
2026-06-09	BUY	Market Buy	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	23.6M	¥1,270.5	+10.2%	¥4.3B ($27.9M)
2026-05-22	BUY	Market Buy	株式会社三井住友銀行	other	5.3M	¥1,265	+4.9%	¥236M ($1.5M)
2026-05-22	SELL	Market Buy	三井住友DSアセットマネジメント株式会社	passive	10.6M	¥1,265	-4.9%	¥3.9B ($25.3M)
2026-04-06	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	15.3M	¥1,227.5	-0.2%	¥3.6B ($23.3M)
2025-12-22	SELL	Market Buy	大樹生命保険株式会社	passive	1.3M	¥1,386	+10.5%	¥1.6B ($10.2M)
2025-12-22	BUY	Market Buy	ニッセイアセットマネジメント株式会社	other	613.5K	¥1,386	-10.5%	¥761M ($4.9M)
2025-12-22	BUY	Market Buy	日本生命保険相互会社	passive	17.4M	¥1,386	-10.5%	¥21.6B ($139.3M)
2025-12-05	SELL	unknown	野村アセットマネジメント株式会社	other	18.2M	¥1,298.5	+4.4%	¥22.6B ($145.8M)
2025-12-05	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	229.7K	¥1,298.5	+4.4%	¥285M ($1.8M)
2025-12-05	BUY	unknown	野村證券株式会社	other	175.3K	¥1,298.5	-4.4%	¥218M ($1.4M)
2025-11-07	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	20.7M	¥1,252.5	+0.9%	¥3.4B ($22.2M)
2025-11-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	267.6K	¥1,252.5	-0.9%	¥67M ($431K)
2025-11-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	22.5K	¥1,252.5	-0.9%	¥28M ($182K)
2025-03-21	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	21.8M	¥1,372.5	+9.6%	¥1.5B ($9.8M)
2025-02-07	SELL	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	5.3M	¥1,388	+10.6%	¥923M ($6.0M)
2025-02-07	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	14.2M	¥1,388	-10.6%	¥3.8B ($24.8M)
2024-11-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	3.6M	¥1,352	+8.2%	¥300M ($1.9M)
2024-11-21	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	7.0M	¥1,352	+8.2%	¥3.2B ($20.5M)
2024-11-21	SELL	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	other	456.0K	¥1,352	+8.2%	¥172.2B ($1.1B)
2024-07-03	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	24.3M	¥1,548.5	-19.9%	¥49M ($315K)
2024-07-03	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	24.0K	¥1,548.5	-19.9%	¥37M ($239K)
2024-07-03	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	218.3K	¥1,548.5	-19.9%	¥338M ($2.2M)
2024-06-07	BUY	Market Buy	大樹生命保険株式会社 Taiki Life Insurance Co., Ltd.	passive	2.5M	¥1,566	-20.8%	¥694M ($4.5M)
2024-06-07	SELL	Market Buy	ニッセイアセットマネジメント株式会社 Nissay Asset Management Company	other	511.0K	¥1,566	+20.8%	¥2.9B ($18.5M)
2024-06-07	BUY	Market Buy	日本生命保険相互会社 Nippon Life Insurance Company	passive	17.4M	¥1,566	-20.8%	¥4.5B ($29.1M)
2024-05-09	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	11.8M	¥1,558.5	-20.4%	¥4.7B ($30.6M)
2024-05-09	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	6.2M	¥1,558.5	-20.4%	¥9.7B ($62.4M)
2024-04-30	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.2M	¥1,471	+15.6%	¥2.8B ($18.2M)
2024-04-30	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	2.8M	¥1,471	-15.6%	¥718M ($4.6M)
2024-04-30	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	7.1M	¥1,471	+15.6%	¥2.3B ($14.7M)
2024-04-16	SELL	Market Buy	ポラリス・キャピタル・マネージメント・エルエルシー (Polaris Capital Management, LLC) Polaris Capital Management, LLC	passive	11.4M	¥1,438.5	+13.7%	¥4.3B ($27.4M)
2024-04-04	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	3.9M	¥1,423	-12.8%	¥5.6B ($36.3M)
2024-04-04	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	9.7M	¥1,423	-12.8%	¥13.8B ($88.7M)
2024-04-04	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.8M	¥1,423	-12.8%	¥2.6B ($16.5M)
2024-03-27	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	23.8M	¥1,519.5	+18.3%	¥4.7B ($30.4M)
2024-02-22	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	26.9M	¥1,438	+13.7%	¥4.3B ($28.0M)
2024-01-19	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	29.9M	¥1,453.5	+14.6%	¥4.5B ($28.8M)
2023-12-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	6.2M	¥1,372	-9.6%	¥8.5B ($55.0M)
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	8.8M	¥1,372	-9.6%	¥12.1B ($78.0M)
2023-12-06	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	4.2M	¥1,372	-9.6%	¥5.7B ($37.0M)
2023-12-06	SELL	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	7.9M	¥1,372	+9.6%	¥2.2B ($14.0M)
2023-12-06	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.8M	¥1,372	+9.6%	¥2.2B ($14.2M)
2023-11-08	SELL	subscription	シルチェスター・インターナショナル・インベスターズ・エルエルピー (Silchester International Investors LLP) Silchester International Investors LLP	activist	32.9M	¥1,450	+14.4%	¥8.4B ($54.5M)
2023-10-04	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	129.8K	¥1,177.5	+5.4%	¥16.6B ($106.8M)
2023-10-04	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	21.9M	¥1,177.5	+5.4%	¥3.6B ($23.5M)
2023-07-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	18.8M	¥1,276.5	-2.8%	¥4.2B ($27.2M)
2023-07-20	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	300.4K	¥1,276.5	-2.8%	¥383M ($2.5M)

Showing the 50 most recent of 71 filings.

Frequently asked questions

Who has been buying Daicel Corporation stock?: 16 distinct investors have filed 29 disclosed large-shareholding filings in Daicel Corporation (4202), most recently on 2026-04-06. 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 Daicel Corporation have?: Daicel Corporation has 29 buy-side and 26 sell-side disclosures on record, covering ¥86.1B ($555.4M) in total reported value, spanning 2021-03-24 to 2026-04-06.
Where does StockDrifts get Daicel 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 Daicel Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.