Who has been buying Daiseki Co.,Ltd. stock?

21 distinct investors have filed 31 disclosed large-shareholding filings in Daiseki Co.,Ltd. (9793), most recently on 2026-04-07. 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 Daiseki Co.,Ltd. have?

Daiseki Co.,Ltd. has 31 buy-side and 37 sell-side disclosures on record, covering ¥71.7B ($462.9M) in total reported value, spanning 2021-05-20 to 2026-04-07.

Where does StockDrifts get Daiseki Co.,Ltd. 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.

Daiseki Co.,Ltd. 9793

Company

株式会社ダイセキDaiseki Co.,Ltd.

Investors

Buys

Total Value

¥71.7B ($462.9M)

Avg Return

+6.08%

Last Filing

2026-04-07

Daiseki Co.,Ltd. (9793) has 31 disclosed large-shareholding filings and 37 disclosed disposals on record, filed by 21 distinct investors. Together those filings cover ¥71.7B ($462.9M) in reported transaction value. The earliest filing StockDrifts holds for Daiseki Co.,Ltd. is dated 2021-05-20; the most recent is 2026-04-07. 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 +6.08%, 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
2026-07-23	SELL	unknown	野村アセットマネジメント株式会社	other	2.0M	¥3,795	-1.6%	¥2.5B ($16.1M)
2026-07-23	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	107.2K	¥3,795	-1.6%	¥146M ($940K)
2026-04-07	SELL	unknown	野村アセットマネジメント株式会社	other	2.7M	¥4,045	-3.3%	¥19M ($125K)
2026-04-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	146.0K	¥4,045	+3.3%	¥19M ($125K)
2026-03-23	SELL	unknown	野村アセットマネジメント株式会社	other	2.7M	¥3,805	-12.2%	¥11.5B ($74.3M)
2026-03-23	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	139.2K	¥3,805	+12.2%	¥594M ($3.8M)
2026-03-05	SELL	Market Buy	MFSインベストメント・マネジメント株式会社	passive	113.1K	¥3,905	-9.3%	¥483M ($3.1M)
2026-03-05	SELL	Market Buy	マサチューセッツ・ファイナンシャル・サービセズ・カンパニー Massachusetts Financial Services Company	passive	2.5M	¥3,905	-9.3%	¥10.7B ($69.1M)
2025-11-21	BUY	unknown	オービス・インベストメント・マネジメント・リミテッド(Orbis Investment Management Limited) Orbis Investment Management Limited	other	2.5M	¥3,430	+24.5%	¥8.7B ($55.9M)
2025-11-10	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	2.7M	¥3,280	+30.2%	¥409M ($2.6M)
2025-11-10	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	130.1K	¥3,280	+30.2%	¥427M ($2.8M)
2025-11-10	SELL	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	43.9K	¥3,280	-30.2%	¥205M ($1.3M)
2025-10-02	SELL	Market Buy	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	2.2M	¥3,370	-26.7%	¥1.8B ($11.3M)
2025-09-19	SELL	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	1.1M	¥3,600	-18.6%	¥588M ($3.8M)
2025-09-19	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	1.2M	¥3,600	-18.6%	¥1.0B ($6.5M)
2025-07-23	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	2.8M	¥3,535	+20.8%	¥703M ($4.5M)
2025-07-23	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	110.5K	¥3,535	+20.8%	¥391M ($2.5M)
2025-03-24	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.6M	¥3,850	+10.9%	¥10.0B ($64.3M)
2025-02-03	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	383.6K	¥3,720	+14.8%	¥1.4B ($9.2M)
2025-02-03	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.0M	¥3,720	+14.8%	¥3.9B ($25.1M)
2025-02-03	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.2M	¥3,720	+14.8%	¥4.4B ($28.5M)
2024-08-26	BUY	acquisition	グローバル・アルファ・キャピタル・マネージメント・エルティーディー(Global Alpha Capital Management Ltd.) Global Alpha Capital Management Ltd.	passive	2.7M	¥3,760	+13.6%	¥10.3B ($66.4M)
2024-07-29	SELL	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	326.5K	¥3,595	-18.8%	¥18M ($118K)
2024-07-29	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	822.6K	¥3,595	-18.8%	¥330M ($2.1M)
2024-07-29	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.2M	¥3,595	-18.8%	¥1.4B ($8.9M)
2024-04-22	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	1.8M	¥2,977	-43.4%	¥4.8B ($30.9M)
2024-04-04	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.3M	¥3,680	+16.0%	¥56M ($363K)
2024-04-04	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	1.5M	¥3,680	-16.0%	¥1.9B ($12.5M)
2024-02-06	SELL	Market Buy	コロンビア・スレッドニードル・マネジメント・リミテッド Columbia Threadneedle Management Limited	passive	199.8K	¥4,085	-4.5%	¥2.1B ($13.8M)
2024-02-06	BUY	Market Buy	スレッドニードル・アセット・マネジメント・リミテッド Threadneedle Asset Management Limited	passive	1.1M	¥4,085	+4.5%	¥63M ($403K)
2024-02-06	BUY	Market Buy	コロンビア・ワンガー・アセット・マネジメント・エルエルシー(Columbia Wanger Asset Management Columbia Wanger Asset Management, LLC	passive	1.1M	¥4,085	+4.5%	¥4.5B ($28.7M)
2023-12-22	SELL	Market Buy	コロンビア・スレッドニードル・マネジメント・リミテッド Columbia Threadneedle Management Limited	passive	723.4K	¥3,830	-11.5%	¥449M ($2.9M)
2023-12-22	BUY	Market Buy	スレッドニードル・アセット・マネジメント・リミテッド Threadneedle Asset Management Limited	passive	1.1M	¥3,830	+11.5%	¥371M ($2.4M)
2023-12-22	SELL	Market Buy	コロンビア・ワンガー・アセット・マネジメント・エルエルシー(Columbia Wanger Asset Management Columbia Wanger Asset Management, LLC	passive	1.1M	¥3,830	-11.5%	¥1.0B ($6.7M)
2023-11-21	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	2.0M	¥4,000	-6.8%	¥82M ($526K)
2023-11-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.2M	¥4,000	-6.8%	¥122M ($790K)
2023-09-25	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	3.4M	¥4,170	+2.4%	¥319M ($2.1M)
2023-09-22	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.3M	¥4,135	-3.3%	¥295M ($1.9M)
2023-09-22	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	2.0M	¥4,135	-3.3%	¥359M ($2.3M)
2023-09-07	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	3.3M	¥4,380	-2.5%	¥112M ($721K)
2023-07-24	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	3.3M	¥4,385	-2.6%	¥2.5B ($16.0M)
2023-05-19	BUY	Market Buy	コロンビア・スレッドニードル・マネジメント・リミテッド Columbia Threadneedle Management Limited	passive	843.9K	¥4,080	+4.7%	¥291M ($1.9M)
2023-05-19	BUY	Market Buy	スレッドニードル・アセット・マネジメント・リミテッド Threadneedle Asset Management Limited	passive	974.3K	¥4,080	+4.7%	¥1.7B ($11.3M)
2023-05-19	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.3M	¥4,080	-4.7%	¥791M ($5.1M)
2023-05-19	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	2.1M	¥4,080	-4.7%	¥62M ($403K)
2023-05-19	BUY	Market Buy	コロンビア・ワンガー・アセット・マネジメント・エルエルシー(Columbia Wanger Asset Management Columbia Wanger Asset Management, LLC	passive	1.4M	¥4,080	+4.7%	¥499M ($3.2M)
2023-04-21	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	2.7M	¥3,680	+16.0%	¥10.0B ($64.8M)
2023-04-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.5M	¥3,775	+13.1%	¥5.8B ($37.4M)
2023-04-06	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	2.1M	¥3,775	-13.1%	¥58M ($373K)
2023-02-21	SELL	Market Buy	MFSインベストメント・マネジメント株式会社 MFS Investment Management K.K.	passive	207.7K	¥4,000	-6.8%	¥571M ($3.7M)

Showing the 50 most recent of 74 filings.

Frequently asked questions

Who has been buying Daiseki Co.,Ltd. stock?: 21 distinct investors have filed 31 disclosed large-shareholding filings in Daiseki Co.,Ltd. (9793), most recently on 2026-04-07. 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 Daiseki Co.,Ltd. have?: Daiseki Co.,Ltd. has 31 buy-side and 37 sell-side disclosures on record, covering ¥71.7B ($462.9M) in total reported value, spanning 2021-05-20 to 2026-04-07.
Where does StockDrifts get Daiseki Co.,Ltd. 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 Daiseki Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.