Who has been buying Toho Zinc Co., Ltd. stock?

19 distinct investors have filed 87 disclosed large-shareholding filings in Toho Zinc Co., Ltd. (5707), most recently on 2026-05-14. 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 Toho Zinc Co., Ltd. have?

Toho Zinc Co., Ltd. has 87 buy-side and 103 sell-side disclosures on record, covering ¥39.6B ($255.5M) in total reported value, spanning 2021-03-29 to 2026-05-14.

Where does StockDrifts get Toho Zinc 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.

Toho Zinc Co., Ltd. 5707

Company

東邦亜鉛株式会社Toho Zinc Co., Ltd.

Investors

Buys

Total Value

¥39.6B ($255.5M)

Avg Return

-25.28%

Last Filing

2026-05-14

Toho Zinc Co., Ltd. (5707) has 87 disclosed large-shareholding filings and 103 disclosed disposals on record, filed by 19 distinct investors. Together those filings cover ¥39.6B ($255.5M) in reported transaction value. The earliest filing StockDrifts holds for Toho Zinc Co., Ltd. is dated 2021-03-29; the most recent is 2026-05-14. 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 -25.28%, 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
2026-08-14	SELL	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	2.5M	¥1,081	+0.0%	¥184M ($1.2M)
2026-06-05	BUY	subscription	エーピー・インターナショナル・セブン・ジーピー・インク(AP International VII GP, Inc.) AP International VII GP, Inc.	activist	13.6M	¥918	-6.5%	¥352M ($2.3M)
2026-05-19	BUY	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	2.7M	¥1,038	-17.2%	¥8M ($49K)
2026-05-19	BUY	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	2.7M	¥1,038	-17.2%	¥8M ($49K)
2026-05-19	BUY	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	2.7M	¥1,038	-17.2%	¥164M ($1.1M)
2026-05-14	BUY	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	2.7M	¥1,184	-22.5%	¥3.2B ($20.5M)
2026-05-14	BUY	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	2.7M	¥1,184	-22.5%	¥3.2B ($20.5M)
2026-05-14	SELL	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	2.7M	¥1,184	+22.5%	¥196M ($1.3M)
2026-05-13	BUY	subscription	エーピー・インターナショナル・セブン・ジーピー・インク(AP International VII GP, Inc.) AP International VII GP, Inc.	activist	13.5M	¥1,236	-25.7%	¥4.5B ($28.9M)
2026-05-13	BUY	subscription	シーシーエム・セブン・インク(CCM VII , Inc.) CCM VII, Inc.	activist	6.2M	¥1,236	-25.7%	¥2.6B ($16.8M)
2026-05-13	BUY	subscription	シージェーアイピー(エーピー)セブン・インク(CJIP (AP) VII , Inc.) CJIP (AP) VII, Inc.	activist	4.2M	¥1,236	-25.7%	¥1.9B ($12.0M)
2026-05-13	BUY	subscription	ジェービーオー(エーピー)セブン・インク(JBO (AP) VII , Inc.) JBO (AP) VII, Inc.	activist	6.3M	¥1,236	-25.7%	¥2.6B ($17.0M)
2026-04-30	SELL	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	2.9M	¥1,140	+13.8%	¥203M ($1.3M)
2026-04-17	SELL	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	3.1M	¥1,399	+20.2%	¥200M ($1.3M)
2026-04-08	SELL	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	3.3M	¥1,368	+15.2%	¥231M ($1.5M)
2026-03-26	SELL	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	3.5M	¥1,200	-13.8%	¥168M ($1.1M)
2026-03-17	BUY	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	3.6M	¥1,337	+2.1%	¥4.9B ($31.4M)
2026-03-17	BUY	Market Buy	Apricus Partners合同会社 Apricus Partners LLC	passive	3.6M	¥1,337	+2.1%	¥4.9B ($31.4M)
2025-03-21	BUY	negotiated	ジェービーオー(エーピー)セブン・インク(JBO (AP) VII , Inc.) JBO (AP) VII, Inc.	activist	3.6M	¥652	+109.4%	¥2.4B ($15.3M)
2025-03-21	BUY	negotiated	シージェーアイピー(エーピー)セブン・インク(CJIP (AP) VII , Inc.) CJIP (AP) VII, Inc.	activist	2.4M	¥652	+109.4%	¥1.6B ($10.1M)
2025-03-21	BUY	negotiated	シーシーエム・セブン・インク(CCM VII , Inc.) CCM VII, Inc.	activist	3.6M	¥652	+109.4%	¥2.3B ($15.1M)
2025-03-21	BUY	negotiated	エーピー・インターナショナル・セブン・ジーピー・インク(AP International VII GP, Inc.) AP International VII GP, Inc.	activist	7.8M	¥652	+109.4%	¥5.1B ($32.9M)
2025-03-19	BUY	unknown	株式会社辰巳商会 TATSUMI SHOKAI CO.,LTD.	strategic	2.0M	¥650	+110.0%	¥1.3B ($8.2M)
2024-12-05	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	340.6K	¥790	+72.8%	¥58M ($374K)
2024-12-05	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	315.2K	¥790	-72.8%	¥88M ($568K)
2024-12-05	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	-587	¥790	+72.8%	-
2024-11-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	268.0K	¥1,020	+33.8%	¥273M ($1.8M)
2024-11-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	263	¥1,020	+33.8%	¥268K ($2K)
2024-11-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	426.3K	¥1,020	+33.8%	¥435M ($2.8M)
2023-06-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	363.1K	¥1,698	-19.6%	¥2M ($15K)
2023-06-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	22.8K	¥1,698	-19.6%	¥28M ($179K)
2023-06-22	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	166.3K	¥1,698	+19.6%	¥298M ($1.9M)
2023-05-10	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	361.8K	¥1,876	-27.2%	¥227M ($1.5M)
2023-05-10	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	7.3K	¥1,876	-27.2%	¥726M ($4.7M)
2023-05-10	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	340.5K	¥1,876	+27.2%	¥291M ($1.9M)
2023-04-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	240.0K	¥1,863	-26.7%	¥447M ($2.9M)
2023-04-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	292.4K	¥1,863	+26.7%	¥301M ($1.9M)
2023-04-21	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	495.5K	¥1,863	+26.7%	¥30M ($196K)
2023-04-17	BUY	Market Buy	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	124.1K	¥1,892	-27.9%	¥172M ($1.1M)
2023-04-17	SELL	Market Buy	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	12.2K	¥1,892	+27.9%	¥23M ($149K)
2023-04-17	SELL	Market Buy	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	61.4K	¥1,892	+27.9%	¥465M ($3.0M)
2023-04-17	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	371.8K	¥1,892	+27.9%	¥75M ($481K)
2023-04-06	SELL	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	239.8K	¥1,914	+28.7%	¥1.8B ($11.5M)
2023-04-06	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	453.8K	¥1,914	-28.7%	¥783M ($5.0M)
2023-04-06	SELL	unknown	ダイワ・アセット・マネジメント(シンガポール)リミテッドLtd.) Daiwa Asset Management (Singapore	other	0	¥1,914	+28.7%	¥179M ($1.2M)
2023-04-06	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	168.8K	¥1,914	-28.7%	¥310M ($2.0M)
2023-04-06	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	353.5K	¥1,914	+28.7%	¥23M ($151K)
2023-04-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	15.0K	¥1,914	-28.7%	¥29M ($185K)
2023-04-06	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	511.6K	¥1,914	-28.7%	¥432M ($2.8M)
2023-04-06	BUY	unknown	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	184.9K	¥1,914	-28.7%	¥342M ($2.2M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Toho Zinc Co., Ltd. stock?: 19 distinct investors have filed 87 disclosed large-shareholding filings in Toho Zinc Co., Ltd. (5707), most recently on 2026-05-14. 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 Toho Zinc Co., Ltd. have?: Toho Zinc Co., Ltd. has 87 buy-side and 103 sell-side disclosures on record, covering ¥39.6B ($255.5M) in total reported value, spanning 2021-03-29 to 2026-05-14.
Where does StockDrifts get Toho Zinc 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 Toho Zinc Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.