Who has been buying Shibaura Electronics Co.,Ltd. stock?

28 distinct investors have filed 71 disclosed large-shareholding filings in Shibaura Electronics Co.,Ltd. (6957), most recently on 2025-11-10. 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 Shibaura Electronics Co.,Ltd. have?

Shibaura Electronics Co.,Ltd. has 71 buy-side and 43 sell-side disclosures on record, covering ¥183.4B ($1.2B) in total reported value, spanning 2021-04-21 to 2025-11-10.

Where does StockDrifts get Shibaura Electronics 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.

Shibaura Electronics Co.,Ltd. 6957

Company

株式会社芝浦電子Shibaura Electronics Co.,Ltd.

Investors

Buys

Total Value

¥183.4B ($1.2B)

Avg Return

+82.27%

Last Filing

2025-11-10

Shibaura Electronics Co.,Ltd. (6957) has 71 disclosed large-shareholding filings and 43 disclosed disposals on record, filed by 28 distinct investors. Together those filings cover ¥183.4B ($1.2B) in reported transaction value. The earliest filing StockDrifts holds for Shibaura Electronics Co.,Ltd. is dated 2021-04-21; the most recent is 2025-11-10. 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 +82.27%, 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
2025-11-10	BUY	unknown	ゴールドマン・サックス・インターナショナル(Goldman Sachs International) Goldman Sachs International	other	51.0K	¥7,096.91	+0.2%	¥29.3B ($188.8M)
2025-11-05	SELL	unknown	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	10.8K	¥7,086.91	-0.3%	¥4.7B ($30.1M)
2025-11-05	SELL	unknown	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	12.0K	¥7,086.91	-0.3%	¥2.7B ($17.3M)
2025-11-04	SELL	unknown	トリウム・キャピタル・エルエルピー(Trium Capital LLP) Trium Capital LLP	unknown	0	¥7,076.92	-0.5%	¥6.9B ($44.8M)
2025-10-27	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	100.6K	¥7,086.91	+0.3%	¥713M ($4.6M)
2025-10-27	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	5.2K	¥7,086.91	-0.3%	¥8.7B ($56.4M)
2025-10-27	BUY	acquisition	YAGEO Electronics Japan合同会社 YAGEO Electronics Japan LLC	activist	13.3M	¥7,086.91	+0.3%	¥94.4B ($608.7M)
2025-10-27	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	602.0K	¥7,086.91	+0.3%	¥4.3B ($27.5M)
2025-10-07	BUY	unknown	UBS Asset ManagementLLC Americas	other	58.6K	¥7,116.9	-0.1%	¥417M ($2.7M)
2025-10-07	SELL	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	629.4K	¥7,116.9	+0.1%	¥2.6B ($16.9M)
2025-10-03	BUY	unknown	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	391.0K	¥7,096.91	+0.2%	¥2.8B ($17.9M)
2025-10-03	BUY	unknown	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	669.7K	¥7,096.91	+0.2%	¥4.8B ($30.7M)
2025-10-02	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	602.0K	¥7,086.91	+0.3%	¥4.3B ($27.5M)
2025-10-02	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	100.6K	¥7,086.91	+0.3%	¥713M ($4.6M)
2025-10-02	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.2M	¥7,086.91	-0.3%	¥4.3B ($28.0M)
2025-09-24	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	1.9M	¥7,106.9	+0.0%	¥3.8B ($24.4M)
2025-09-24	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	100.6K	¥7,106.9	+0.0%	¥715M ($4.6M)
2025-09-22	SELL	Market Buy	UBS Asset ManagementLLC Americas	other	58.6K	¥7,116.9	+0.1%	¥55M ($357K)
2025-09-22	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	100.6K	¥7,116.9	+0.1%	¥44M ($286K)
2025-09-22	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	1.3M	¥7,116.9	-0.1%	¥3.9B ($25.4M)
2025-09-22	BUY	Market Buy	ユービーエス・エイ・ジー(銀行) UBS AG	other	998.5K	¥7,116.9	-0.1%	¥1.5B ($9.9M)
2025-09-19	BUY	unknown	ゴールドマン・サックス・アンド・カンパニー・エルエルシー Goldman Sachs & Co. LLC	other	79.7K	¥7,116.9	-0.1%	¥567M ($3.7M)
2025-09-19	BUY	unknown	ゴールドマン・サックス・インターナショナル Goldman Sachs International	other	976.6K	¥7,116.9	-0.1%	¥6.9B ($44.3M)
2025-09-19	BUY	unknown	ゴールドマン・サックス証券株式会社 Goldman Sachs Japan Co.,Ltd.	other	0	¥7,116.9	-0.1%	-
2025-09-10	BUY	Market Buy	トリウム・キャピタル・エルエルピー(Trium Capital LLP) Trium Capital LLP	passive	982.6K	¥7,106.9	+0.0%	¥1.4B ($9.3M)
2025-09-03	BUY	unknown	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	17.9K	¥7,096.91	+0.2%	¥105M ($678K)
2025-09-03	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	106.7K	¥7,096.91	+0.2%	¥757M ($4.9M)
2025-09-03	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	764.8K	¥7,096.91	+0.2%	¥5.4B ($35.0M)
2025-09-03	SELL	unknown	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	350.9K	¥7,096.91	-0.2%	¥409M ($2.6M)
2025-08-29	BUY	Market Buy	トリウム・キャピタル・エルエルピー(Trium Capital LLP) Trium Capital LLP	passive	779.4K	¥7,066.92	+0.6%	¥5.5B ($35.5M)
2025-08-22	SELL	Market Buy	サムソン・ロック・キャピタル・エルエルピー(Samson Rock Capital LLP) Samson Rock Capital LLP	passive	757.7K	¥6,257.27	-13.6%	¥1.1B ($6.9M)
2025-08-20	SELL	unknown	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	300	¥6,437.2	-10.4%	¥250M ($1.6M)
2025-08-20	SELL	Market Buy	サムソン・ロック・キャピタル・エルエルピー(Samson Rock Capital LLP) Samson Rock Capital LLP	passive	928.3K	¥6,437.2	-10.4%	¥1.6B ($10.4M)
2025-08-20	SELL	unknown	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	408.1K	¥6,437.2	-10.4%	¥1.1B ($7.0M)
2025-08-20	BUY	unknown	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	386.6K	¥6,437.2	+10.4%	¥982M ($6.3M)
2025-08-14	BUY	Market Buy	サムソン・ロック・キャピタル・エルエルピー(Samson Rock Capital LLP) Samson Rock Capital LLP	passive	1.2M	¥5,907.43	+20.4%	¥1.0B ($6.5M)
2025-08-05	BUY	unknown	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	38.3K	¥5,997.39	+18.6%	¥121M ($783K)
2025-08-05	SELL	unknown	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	233.3K	¥5,997.39	-18.6%	¥3.4B ($21.8M)
2025-08-05	BUY	unknown	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	577.9K	¥5,997.39	+18.6%	¥672M ($4.3M)
2025-07-18	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	18.8K	¥6,027.37	+18.0%	¥113M ($730K)
2025-07-18	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	797.4K	¥6,027.37	+18.0%	¥1.8B ($11.7M)
2025-07-18	BUY	Market Buy	ゴールドマン・サックス・インターナショナル Goldman Sachs International	other	1.2M	¥6,027.37	+18.0%	¥1.9B ($12.0M)
2025-07-18	BUY	Market Buy	ゴールドマン・サックス証券株式会社 Goldman Sachs Japan Co.,Ltd.	other	0	¥6,027.37	+18.0%	-
2025-07-18	SELL	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	465.4K	¥6,027.37	-18.0%	¥234M ($1.5M)
2025-07-07	BUY	unknown	UBS Asset ManagementLLC Americas	other	66.9K	¥6,027.37	+18.0%	¥403M ($2.6M)
2025-07-07	BUY	unknown	ユービーエス・エイ・ジー(銀行) UBS AG	other	784.9K	¥6,027.37	+18.0%	¥4.7B ($30.5M)
2025-06-20	BUY	Market Buy	サムソン・ロック・キャピタル・エルエルピー(Samson Rock Capital LLP) Samson Rock Capital LLP	passive	1.0M	¥6,037.37	+17.8%	¥1.1B ($6.9M)
2025-06-18	SELL	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	496.3K	¥6,067.36	-17.2%	¥963M ($6.2M)
2025-06-18	BUY	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	504.1K	¥6,067.36	+17.2%	¥1.5B ($9.7M)
2025-06-16	BUY	Market Buy	サムソン・ロック・キャピタル・エルエルピー(Samson Rock Capital LLP) Samson Rock Capital LLP	passive	832.5K	¥5,917.42	+20.1%	¥4.9B ($31.8M)

Showing the 50 most recent of 131 filings.

Frequently asked questions

Who has been buying Shibaura Electronics Co.,Ltd. stock?: 28 distinct investors have filed 71 disclosed large-shareholding filings in Shibaura Electronics Co.,Ltd. (6957), most recently on 2025-11-10. 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 Shibaura Electronics Co.,Ltd. have?: Shibaura Electronics Co.,Ltd. has 71 buy-side and 43 sell-side disclosures on record, covering ¥183.4B ($1.2B) in total reported value, spanning 2021-04-21 to 2025-11-10.
Where does StockDrifts get Shibaura Electronics 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 Shibaura Electronics Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.