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.

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. 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	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)
2025-11-05	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)
2025-11-04	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	-	-
2025-10-27	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	602.0K	¥7,086.91	-	-
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	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)
2025-10-07	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)
2025-10-07	BUY	unknown	UBS Asset ManagementLLC Americas	other	58.6K	¥7,116.9	-	-
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	-	¥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	-	-
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	-	-
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	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	SELL	Market Buy	UBS Asset ManagementLLC Americas	other	58.6K	¥7,116.9	+0.1%	¥55M ($357K)
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・サックス証券株式会社 Goldman Sachs Japan Co.,Ltd.	other	0	¥7,116.9	-	-
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・アンド・カンパニー・エルエルシー Goldman Sachs & Co. LLC	other	79.7K	¥7,116.9	-	¥567M ($3.7M)
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	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)
2025-09-03	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	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	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)
2025-08-29	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	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	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	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)
2025-08-20	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)
2025-08-14	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	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)
2025-08-05	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	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)
2025-07-18	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)
2025-07-18	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	-	-
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	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	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	-	¥113M ($730K)
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)
2025-07-07	BUY	unknown	UBS Asset ManagementLLC Americas	other	66.9K	¥6,027.37	+18.0%	¥403M ($2.6M)
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	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)
2025-06-18	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)
2025-06-16	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.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.