Who has been buying Namura Shipbuilding Co., Ltd. stock?

26 distinct investors have filed 112 disclosed large-shareholding filings in Namura Shipbuilding Co., Ltd. (7014), 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 Namura Shipbuilding Co., Ltd. have?

Namura Shipbuilding Co., Ltd. has 112 buy-side and 92 sell-side disclosures on record, covering ¥168.9B ($1.1B) in total reported value, spanning 2021-04-08 to 2026-05-12.

Where does StockDrifts get Namura Shipbuilding 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.

Namura Shipbuilding Co., Ltd. 7014

Company

株式会社名村造船所Namura Shipbuilding Co., Ltd.

Investors

Buys

112

Total Value

¥168.9B ($1.1B)

Avg Return

+136.51%

Last Filing

2026-05-12

Namura Shipbuilding Co., Ltd. (7014) has 112 disclosed large-shareholding filings and 92 disclosed disposals on record, filed by 26 distinct investors. Together those filings cover ¥168.9B ($1.1B) in reported transaction value. The earliest filing StockDrifts holds for Namura Shipbuilding Co., Ltd. is dated 2021-04-08; 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 +136.51%, 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	BUY	unknown	野村アセットマネジメント株式会社	other	2.9M	¥4,240	+5.1%	¥12.5B ($80.5M)
2026-07-23	BUY	unknown	野村證券株式会社	other	852.1K	¥4,240	+5.1%	¥3.6B ($23.3M)
2026-06-22	SELL	unknown	野村アセットマネジメント株式会社	other	2.9M	¥3,840	+1.4%	¥1.1B ($7.1M)
2026-06-22	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	369.2K	¥3,840	+1.4%	¥107M ($688K)
2026-06-22	BUY	unknown	野村證券株式会社	other	655	¥3,840	-1.4%	¥3M ($16K)
2026-06-18	BUY	Market Buy	JPモルガン証券株式会社	other	146.5K	¥3,840	-1.4%	¥213M ($1.4M)
2026-06-18	BUY	unknown	ジェー・ピー・モルガン・プライム・インク J.P. Morgan Prime Inc.	other	1.5K	¥3,840	-1.4%	¥6M ($37K)
2026-06-18	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	120.4K	¥3,840	+1.4%	¥133M ($861K)
2026-06-18	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	608.7K	¥3,840	+1.4%	¥267M ($1.7M)
2026-06-18	SELL	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	passive	513.2K	¥3,840	+1.4%	¥187M ($1.2M)
2026-06-18	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	1.3M	¥3,840	+1.4%	¥6.4B ($41.3M)
2026-06-03	BUY	Market Buy	JPモルガン証券株式会社	other	90.7K	¥3,555	+2.4%	¥198M ($1.3M)
2026-06-03	BUY	unknown	ジェー・ピー・モルガン・プライム・インク J.P. Morgan Prime Inc.	other	1.4K	¥3,555	+2.4%	¥5M ($32K)
2026-06-03	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	151.9K	¥3,555	+2.4%	¥272M ($1.8M)
2026-06-03	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	683.0K	¥3,555	+2.4%	¥173M ($1.1M)
2026-06-03	SELL	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	passive	560.3K	¥3,555	-2.4%	¥25M ($159K)
2026-06-03	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	2.9M	¥3,555	-2.4%	¥2.8B ($17.8M)
2026-05-20	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	74.9K	¥3,675	+3.5%	¥77M ($494K)
2026-05-20	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	634.0K	¥3,675	-3.5%	¥2.2B ($14.3M)
2026-05-20	SELL	unknown	JPモルガン証券株式会社	other	32.1K	¥3,675	+3.5%	¥562M ($3.6M)
2026-05-20	SELL	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	passive	569.2K	¥3,675	+3.5%	¥204M ($1.3M)
2026-05-20	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	3.7M	¥3,675	+3.5%	¥3.8B ($24.4M)
2026-05-12	BUY	unknown	野村アセットマネジメント株式会社	other	3.1M	¥4,020	-8.1%	¥12.6B ($81.4M)
2026-05-12	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	397.9K	¥4,020	-8.1%	¥1.6B ($10.3M)
2026-05-08	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	95.0K	¥3,980	+7.2%	¥83M ($535K)
2026-05-08	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	27.9K	¥3,980	-7.2%	¥28M ($178K)
2026-05-08	BUY	Market Buy	JPモルガン証券株式会社	other	188.2K	¥3,980	-7.2%	¥664M ($4.3M)
2026-05-08	SELL	unknown	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	623.3K	¥3,980	+7.2%	¥55M ($357K)
2026-05-08	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	4.7M	¥3,980	+7.2%	¥2.3B ($15.0M)
2026-04-22	SELL	negotiated	日本製鉄株式会社 NIPPON STEEL CORPORATION	strategic	2.8M	¥4,390	+11.8%	¥3.2B ($20.7M)
2026-04-20	SELL	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	116.6K	¥4,075	-7.4%	¥28M ($183K)
2026-04-20	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	24.2K	¥4,075	-7.4%	¥595M ($3.8M)
2026-04-20	SELL	Market Buy	JPモルガン証券株式会社	other	20.7K	¥4,075	-7.4%	¥2.2B ($14.2M)
2026-04-20	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	636.5K	¥4,075	+7.4%	¥2.6B ($16.7M)
2026-04-20	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	5.3M	¥4,075	-7.4%	¥170M ($1.1M)
2026-04-09	SELL	negotiated	日本製鉄株式会社 NIPPON STEEL CORPORATION	strategic	3.5M	¥4,315	+6.4%	¥3.3B ($21.1M)
2026-04-07	BUY	unknown	野村アセットマネジメント株式会社	other	2.4M	¥4,320	-6.8%	¥10.5B ($68.0M)
2026-04-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	813.7K	¥4,320	+6.8%	¥840M ($5.4M)
2026-04-07	SELL	unknown	野村證券株式会社	other	94.1K	¥4,320	+6.8%	¥210M ($1.4M)
2026-04-03	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	127.2K	¥4,365	-7.8%	¥182M ($1.2M)
2026-04-03	BUY	Market Buy	JPモルガン証券株式会社	other	564.6K	¥4,365	-7.8%	¥334M ($2.2M)
2026-04-03	SELL	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	642.1K	¥4,365	+7.8%	¥121M ($783K)
2026-04-03	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	5.4M	¥4,365	-7.8%	¥23.4B ($151.0M)
2026-04-03	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	167.0K	¥4,365	-7.8%	¥455M ($2.9M)
2026-03-18	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	80.8K	¥5,130	-20.6%	¥329M ($2.1M)
2026-03-18	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	65.7K	¥5,130	-20.6%	¥268M ($1.7M)
2026-03-18	SELL	Market Buy	JPモルガン証券株式会社	other	489.0K	¥5,130	+20.6%	¥2.0B ($12.9M)
2026-03-18	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	664.5K	¥5,130	+20.6%	¥2.7B ($17.5M)
2026-03-18	SELL	Market Buy	ジェー・ピー・モルガン・インベストメント・マネージメント・インク J.P. Morgan Investment Management Inc.	passive	18.0K	¥5,130	+20.6%	¥73M ($473K)
2026-03-18	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	5.4M	¥5,130	+20.6%	¥21.9B ($141.0M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Namura Shipbuilding Co., Ltd. stock?: 26 distinct investors have filed 112 disclosed large-shareholding filings in Namura Shipbuilding Co., Ltd. (7014), 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 Namura Shipbuilding Co., Ltd. have?: Namura Shipbuilding Co., Ltd. has 112 buy-side and 92 sell-side disclosures on record, covering ¥168.9B ($1.1B) in total reported value, spanning 2021-04-08 to 2026-05-12.
Where does StockDrifts get Namura Shipbuilding 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 Namura Shipbuilding Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.