Who has been buying SHIMAMURA Co., Ltd. stock?

9 distinct investors have filed 0 disclosed large-shareholding filings in SHIMAMURA Co., Ltd. (8227), most recently on 2026-02-06. 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 SHIMAMURA Co., Ltd. have?

SHIMAMURA Co., Ltd. has 0 buy-side and 8 sell-side disclosures on record, spanning 2021-06-04 to 2026-02-06.

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.

SHIMAMURA Co., Ltd. 8227

Company

株式会社しまむらSHIMAMURA Co., Ltd.

Investors

Buys

Total Value

—

Avg Return

—

Last Filing

2026-02-06

SHIMAMURA Co., Ltd. (8227) has 0 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 9 distinct investors. The earliest filing StockDrifts holds for SHIMAMURA Co., Ltd. is dated 2021-06-04; the most recent is 2026-02-06.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-06-30	BUY	unknown	株式会社島村企画	activist	34.6M	¥3,340	-	-
2026-06-30	BUY	unknown	株式会社島村興産	activist	20.2M	¥3,340	-	-
2026-06-30	BUY	unknown	株式会社クリエイティブライフ	other	14.2M	¥3,340	-	-
2026-06-30	BUY	unknown	北村有美	other	2.2M	¥3,340	-	¥7.3B ($47.0M)
2026-06-30	BUY	unknown	島村裕之	other	3.0M	¥3,340	-	¥10.0B ($64.8M)
2026-02-06	SELL	unknown	りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd.	other	1.2M	¥3,571.67	+10.8%	¥11.6B ($74.7M)
2021-06-04	SELL	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	252.8K	¥1,660	-91.9%	¥355M ($2.3M)
2021-06-04	SELL	Market Buy	ブラックロック・アドバイザーズ・エルエルシー(BlackRock Advisers BlackRock Advisers, LLC	passive	200	¥1,660	-91.9%	¥178M ($1.1M)
2021-06-04	BUY	Market Buy	ブラックロック・ファンド・マネジャーズ・リミテッド BlackRock Fund Managers Limited	passive	41.0K	¥1,660	-	¥68M ($439K)
2021-06-04	SELL	Market Buy	ブラックロック(ルクセンブルグ)エス・エーS.A.) BlackRock (Luxembourg	passive	0	¥1,660	-91.9%	¥61M ($395K)
2021-06-04	SELL	Market Buy	ブラックロック・アセット・マネジメント・アイルランド・リミテッド BlackRock Asset Management Ireland Limited	passive	29.9K	¥1,660	-91.9%	¥147M ($949K)
2021-06-04	SELL	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	241.5K	¥1,660	-91.9%	¥668M ($4.3M)
2021-06-04	SELL	Market Buy	ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ.(BlackRock Institutional Trust Company BlackRock Institutional Trust Company, N.A.	passive	149.5K	¥1,660	-91.9%	¥447M ($2.9M)
2021-06-04	SELL	Market Buy	ブラックロック・インベストメント・マネジメント(ユーケー)リミテッドLimited) BlackRock Investment Management (UK	passive	21.9K	¥1,660	-91.9%	¥98M ($633K)

Frequently asked questions

Who has been buying SHIMAMURA Co., Ltd. stock?: 9 distinct investors have filed 0 disclosed large-shareholding filings in SHIMAMURA Co., Ltd. (8227), most recently on 2026-02-06. 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 SHIMAMURA Co., Ltd. have?: SHIMAMURA Co., Ltd. has 0 buy-side and 8 sell-side disclosures on record, spanning 2021-06-04 to 2026-02-06.
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.