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.

Where does StockDrifts get SHIMAMURA 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.

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. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan).

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-06-30	BUY	unknown	島村裕之	other	3.0M	¥3,340	+1.0%	¥10.0B ($64.8M)
2026-06-30	BUY	unknown	北村有美	other	2.2M	¥3,340	+1.0%	¥7.3B ($47.0M)
2026-06-30	BUY	unknown	株式会社クリエイティブライフ	other	14.2M	¥3,340	+1.0%	¥47.5B ($306.5M)
2026-06-30	BUY	unknown	株式会社島村興産	activist	20.2M	¥3,340	+1.0%	¥67.5B ($435.7M)
2026-06-30	BUY	unknown	株式会社島村企画	activist	34.6M	¥3,340	+1.0%	¥115.5B ($744.9M)
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	+3.9%	¥11.6B ($74.7M)
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	-106.7%	¥98M ($633K)
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	-106.7%	¥447M ($2.9M)
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	-106.7%	¥668M ($4.3M)
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	-106.7%	¥147M ($949K)
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	-106.7%	¥61M ($395K)
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	+106.7%	¥68M ($439K)
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	-106.7%	¥178M ($1.1M)
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	-106.7%	¥355M ($2.3M)

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.
Where does StockDrifts get SHIMAMURA 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 SHIMAMURA Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.