Who has been buying Sanyo Shokai Ltd. stock?

10 distinct investors have filed 41 disclosed large-shareholding filings in Sanyo Shokai Ltd. (8011), most recently on 2026-04-30. 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 Sanyo Shokai Ltd. have?

Sanyo Shokai Ltd. has 41 buy-side and 21 sell-side disclosures on record, covering ¥10.3B ($66.7M) in total reported value, spanning 2021-03-17 to 2026-04-30.

Where does StockDrifts get Sanyo Shokai 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.

Sanyo Shokai Ltd. 8011

Company

株式会社三陽商会Sanyo Shokai Ltd.

Investors

Buys

Total Value

¥10.3B ($66.7M)

Avg Return

+126.55%

Last Filing

2026-04-30

Sanyo Shokai Ltd. (8011) has 41 disclosed large-shareholding filings and 21 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥10.3B ($66.7M) in reported transaction value. The earliest filing StockDrifts holds for Sanyo Shokai Ltd. is dated 2021-03-17; the most recent is 2026-04-30. 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 +126.55%, 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
2026-06-29	BUY	Market Buy	Sapphireterra Capital, LLC	activist	827.7K	¥3,990	+20.4%	¥439M ($2.8M)
2026-06-22	SELL	unknown	野村アセットマネジメント株式会社	other	371.7K	¥3,995	-4.9%	¥134M ($867K)
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	14.5K	¥3,995	+4.9%	¥58M ($373K)
2026-06-22	SELL	unknown	野村證券株式会社	other	200	¥3,995	-4.9%	¥603M ($3.9M)
2026-04-30	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.3M	¥3,860	-3.9%	¥401M ($2.6M)
2026-03-17	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.2M	¥3,870	+2.7%	¥505M ($3.3M)
2026-03-04	BUY	unknown	野村アセットマネジメント株式会社	other	405.6K	¥3,865	+2.8%	¥1.6B ($10.4M)
2026-03-04	BUY	unknown	野村證券株式会社	other	151.4K	¥3,865	+2.8%	¥602M ($3.9M)
2026-02-20	SELL	unknown	野村アセットマネジメント株式会社	other	406.6K	¥4,400	+9.7%	¥1.6B ($10.4M)
2026-02-20	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	22.3K	¥4,400	+9.7%	¥89M ($573K)
2026-02-20	SELL	unknown	野村證券株式会社	other	2.6K	¥4,400	+9.7%	¥10M ($67K)
2026-02-06	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	1.1M	¥4,270	-6.9%	¥514M ($3.3M)
2026-02-05	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	539.1K	¥4,300	-7.6%	¥35M ($228K)
2026-01-23	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	986.6K	¥4,175	-4.8%	¥498M ($3.2M)
2026-01-20	BUY	Market Buy	八木通商株式会社 YAGI TSUSHO LTD.	strategic	1.2M	¥4,085	-2.7%	¥857M ($5.5M)
2026-01-13	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	867.7K	¥4,125	-3.6%	¥437M ($2.8M)
2025-12-25	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	762.3K	¥3,735	+6.4%	¥396M ($2.6M)
2025-12-16	BUY	Market Buy	Sapphireterra Capital, LLC	passive	728.3K	¥3,650	+8.9%	¥762M ($4.9M)
2025-12-16	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	655.6K	¥3,650	+8.9%	¥383M ($2.5M)
2025-12-05	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	551.3K	¥3,605	+10.3%	¥2.0B ($12.8M)
2025-12-04	BUY	unknown	野村アセットマネジメント株式会社	other	469.5K	¥3,640	+9.2%	¥1.9B ($12.0M)
2025-12-04	BUY	unknown	野村證券株式会社	other	60.6K	¥3,640	+9.2%	¥241M ($1.6M)
2025-10-21	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	465.2K	¥3,390	-17.3%	¥231M ($1.5M)
2025-10-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	20.6K	¥3,390	-17.3%	¥278M ($1.8M)
2025-10-21	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	400	¥3,390	+17.3%	¥1M ($9K)
2025-10-17	SELL	unknown	八木通商株式会社 YAGI TSUSHO LTD.	strategic	1.2M	¥3,320	-19.7%	¥1.6B ($10.0M)
2025-07-23	BUY	Market Buy	Sapphireterra Capital, LLC	passive	637.6K	¥2,979	+33.4%	¥1.9B ($12.3M)
2025-06-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	533.7K	¥2,888	+37.6%	¥1.5B ($9.9M)
2025-06-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	101.9K	¥2,888	+37.6%	¥294M ($1.9M)
2025-04-10	BUY	Market Buy	八木通商株式会社 YAGI TSUSHO LTD.	strategic	1.7M	¥2,817	+41.1%	¥434M ($2.8M)
2025-02-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	561.7K	¥2,891	+37.5%	¥1.6B ($10.4M)
2025-02-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	62.8K	¥2,891	-37.5%	¥12.8B ($82.4M)
2024-08-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	106.9K	¥2,353	+68.9%	¥172M ($1.1M)
2024-08-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	646.1K	¥2,353	+68.9%	¥193M ($1.2M)
2024-08-22	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	10.6K	¥2,353	-68.9%	¥306M ($2.0M)
2024-03-25	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	564.0K	¥2,656	+49.7%	¥60M ($389K)
2024-03-25	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	34.2K	¥2,656	+49.7%	¥60M ($389K)
2024-03-25	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	140.1K	¥2,656	-49.7%	¥7M ($43K)
2024-03-07	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	11.1K	¥2,611	-52.2%	¥36M ($234K)
2024-03-07	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	540.9K	¥2,611	+52.2%	¥69M ($447K)
2024-03-07	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	142.2K	¥2,611	+52.2%	¥79M ($510K)
2024-02-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	514.7K	¥2,833	+40.3%	¥1.5B ($9.4M)
2024-02-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	25.7K	¥2,833	+40.3%	¥73M ($470K)
2024-02-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	111.7K	¥2,833	+40.3%	¥317M ($2.0M)
2023-10-26	SELL	Market Buy	ウィル・フィールド・キャピタル・ピーティーイー・エルティーディー(WILL FIELD CAPITAL PTE.LTD.) WILL FIELD CAPITAL PTE.LTD.	passive	628.7K	¥2,596	-53.1%	¥413M ($2.7M)
2023-10-18	SELL	Market Buy	ウィル・フィールド・キャピタル・ピーティーイー・エルティーディー(WILL FIELD CAPITAL PTE.LTD.) WILL FIELD CAPITAL PTE.LTD.	passive	787.1K	¥2,654	-49.8%	¥811M ($5.2M)
2023-08-14	SELL	Market Buy	アールエムビー・キャピタル・マネジメント,エル・エル・シー(RMB Capital Management, LLC) RMB Capital Management, LLC	passive	507.7K	¥1,880	-111.4%	¥259M ($1.7M)
2023-07-19	SELL	Market Buy	ウィル・フィールド・キャピタル・ピーティーイー・エルティーディー(WILL FIELD CAPITAL PTE.LTD.) WILL FIELD CAPITAL PTE.LTD.	passive	1.1M	¥2,060	-93.0%	¥338M ($2.2M)
2023-07-10	SELL	unknown	八木通商株式会社 YAGI TSUSHO LTD.	strategic	1.5M	¥1,956	-103.2%	¥257M ($1.7M)
2023-04-06	SELL	negotiated	三井物産株式会社 Mitsui & Co., LTD.	activist	1.1M	¥1,497	-165.5%	¥641M ($4.1M)

Showing the 50 most recent of 70 filings.

Frequently asked questions

Who has been buying Sanyo Shokai Ltd. stock?: 10 distinct investors have filed 41 disclosed large-shareholding filings in Sanyo Shokai Ltd. (8011), most recently on 2026-04-30. 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 Sanyo Shokai Ltd. have?: Sanyo Shokai Ltd. has 41 buy-side and 21 sell-side disclosures on record, covering ¥10.3B ($66.7M) in total reported value, spanning 2021-03-17 to 2026-04-30.
Where does StockDrifts get Sanyo Shokai 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 Sanyo Shokai Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.