Who has been buying Yushiro Chemical Industry Co., Ltd. stock?

11 distinct investors have filed 10 disclosed large-shareholding filings in Yushiro Chemical Industry Co., Ltd. (5013), most recently on 2026-05-12. 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 Yushiro Chemical Industry Co., Ltd. have?

Yushiro Chemical Industry Co., Ltd. has 10 buy-side and 4 sell-side disclosures on record, covering ¥4.2B ($27.3M) in total reported value, spanning 2022-10-06 to 2026-05-12.

Where does StockDrifts get Yushiro Chemical Industry 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.

Yushiro Chemical Industry Co., Ltd. 5013

Company

株式会社ユシロYushiro Chemical Industry Co., Ltd.

Investors

Buys

Total Value

¥4.2B ($27.3M)

Avg Return

+124.41%

Last Filing

2026-05-12

Yushiro Chemical Industry Co., Ltd. (5013) has 10 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥4.2B ($27.3M) in reported transaction value. The earliest filing StockDrifts holds for Yushiro Chemical Industry Co., Ltd. is dated 2022-10-06; the most recent is 2026-05-12. 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 +124.41%, 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	fundnote株式会社 fundnote	activist	1.0M	¥2,959	-3.1%	¥613M ($4.0M)
2026-07-07	BUY	Market Buy	fundnote株式会社 fundnote	activist	1.2M	¥2,904	+5.0%	¥549M ($3.5M)
2026-06-05	BUY	unknown	株式会社三井住友銀行	other	519.0K	¥3,295	-10.5%	¥1.7B ($11.0M)
2026-06-05	SELL	Market Buy	三井住友DSアセットマネジメント株式会社	passive	164.6K	¥3,295	+10.5%	¥476M ($3.1M)
2026-06-05	BUY	Market Buy	fundnote株式会社 fundnote	activist	1.1M	¥3,295	-10.5%	¥939M ($6.1M)
2026-05-12	BUY	unknown	fundnote株式会社 fundnote	activist	773.1K	¥3,430	-3.9%	¥2.7B ($17.1M)
2026-02-17	SELL	negotiated	三菱UFJモルガン・スタンレー証券株式会社	other	5.5K	¥3,065	-8.6%	¥18M ($119K)
2026-02-17	BUY	negotiated	三菱UFJアセットマネジメント株式会社	passive	69.6K	¥3,065	+8.6%	¥232M ($1.5M)
2026-02-17	SELL	negotiated	三菱UFJ信託銀行株式会社	passive	170.2K	¥3,065	-8.6%	¥567M ($3.7M)
2026-02-17	BUY	negotiated	株式会社三菱UFJ銀行	strategic	316.1K	¥3,065	-8.6%	¥1.1B ($6.8M)
2024-07-29	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	27.8K	¥1,792	+85.8%	¥50M ($322K)
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	64.6K	¥1,792	-85.8%	¥110M ($707K)
2024-07-29	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	288.5K	¥1,792	+85.8%	¥57M ($370K)
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	316.1K	¥1,792	+85.8%	¥566M ($3.7M)
2024-05-08	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	316.1K	¥1,979	+68.3%	¥626M ($4.0M)
2024-05-08	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	257.7K	¥1,979	+68.3%	¥510M ($3.3M)
2024-05-08	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	124.7K	¥1,979	+68.3%	¥247M ($1.6M)
2023-07-24	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	5.1K	¥1,118	+197.8%	¥606M ($3.9M)
2023-07-24	SELL	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	519.0K	¥1,118	-197.8%	¥117M ($752K)
2023-07-24	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	308.3K	¥1,118	+197.8%	¥188M ($1.2M)
2023-05-09	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	519.9K	¥894	+272.5%	¥458M ($3.0M)
2023-05-09	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	17.5K	¥894	+272.5%	¥16M ($101K)
2022-10-06	BUY	Market Buy	石川吉之助 Yoshinosuke Ishikawa	strategic	983.9K	¥877	+279.7%	¥132M ($849K)

Frequently asked questions

Who has been buying Yushiro Chemical Industry Co., Ltd. stock?: 11 distinct investors have filed 10 disclosed large-shareholding filings in Yushiro Chemical Industry Co., Ltd. (5013), most recently on 2026-05-12. 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 Yushiro Chemical Industry Co., Ltd. have?: Yushiro Chemical Industry Co., Ltd. has 10 buy-side and 4 sell-side disclosures on record, covering ¥4.2B ($27.3M) in total reported value, spanning 2022-10-06 to 2026-05-12.
Where does StockDrifts get Yushiro Chemical Industry 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 Yushiro Chemical Industry Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.