Who has been buying MatsukiyoCocokara & Co. stock?

14 distinct investors have filed 19 disclosed large-shareholding filings in MatsukiyoCocokara & Co. (3088), most recently on 2026-01-20. 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 MatsukiyoCocokara & Co. have?

MatsukiyoCocokara & Co. has 19 buy-side and 6 sell-side disclosures on record, covering ¥23.4B ($150.7M) in total reported value, spanning 2021-03-18 to 2026-01-20.

Where does StockDrifts get MatsukiyoCocokara & Co. 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.

MatsukiyoCocokara & Co. 3088

Company

株式会社マツモトキヨシホールディングスMatsukiyoCocokara & Co.

Investors

Buys

Total Value

¥23.4B ($150.7M)

Avg Return

+6.43%

Last Filing

2026-01-20

MatsukiyoCocokara & Co. (3088) has 19 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 14 distinct investors. Together those filings cover ¥23.4B ($150.7M) in reported transaction value. The earliest filing StockDrifts holds for MatsukiyoCocokara & Co. is dated 2021-03-18; the most recent is 2026-01-20. 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 +6.43%, 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
2026-06-05	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	2.4M	¥2,293	-4.9%	¥651M ($4.2M)
2026-06-05	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, N.A.	passive	3.2M	¥2,293	-4.9%	¥2.2B ($14.4M)
2026-06-05	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	4.6M	¥2,293	-4.9%	¥5.1B ($33.0M)
2026-06-05	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	717.1K	¥2,293	-4.9%	¥4.8B ($31.2M)
2026-06-05	SELL	Market Buy	ブラックロック・アセット・マネジメント・カナダ・リミテッド BlackRock Asset Management Canada Limited	passive	214.5K	¥2,293	-4.9%	¥1.1B ($7.2M)
2026-06-05	SELL	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	691.5K	¥2,293	-4.9%	¥279M ($1.8M)
2026-06-05	SELL	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	550.6K	¥2,293	-4.9%	¥1.2B ($7.8M)
2026-06-05	SELL	Market Buy	ブラックロック・ジャパン株式会社	passive	6.1M	¥2,293	-4.9%	¥651M ($4.2M)
2026-01-20	BUY	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	2.7M	¥2,588.5	-8.8%	¥6.3B ($40.9M)
2026-01-20	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	passive	4.2M	¥2,588.5	+8.8%	¥9.8B ($63.4M)
2026-01-20	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	6.9M	¥2,588.5	-8.8%	¥16.2B ($104.8M)
2026-01-20	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	2.9M	¥2,588.5	+8.8%	¥6.8B ($43.7M)
2026-01-20	BUY	Market Buy	ブラックロック・アセット・マネジメント・カナダ・リミテッド BlackRock Asset Management Canada Limited	passive	698.5K	¥2,588.5	+8.8%	¥1.6B ($10.6M)
2026-01-20	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	802.2K	¥2,588.5	-8.8%	¥1.9B ($12.2M)
2026-01-20	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	1.1M	¥2,588.5	-8.8%	¥2.6B ($16.8M)
2026-01-20	SELL	Market Buy	ブラックロック・ジャパン株式会社	passive	6.5M	¥2,588.5	+8.8%	¥15.3B ($98.4M)
2024-10-04	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	6.0M	¥2,342.5	-0.8%	¥974M ($6.3M)
2024-10-04	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	13.2M	¥2,342.5	-0.8%	¥4.8B ($30.8M)
2023-06-06	BUY	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	162.0K	¥2,623.33	-10.0%	¥425M ($2.7M)
2023-06-06	BUY	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	1.5M	¥2,623.33	-10.0%	¥3.9B ($25.4M)
2023-06-06	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	2.0M	¥2,623.33	-10.0%	¥5.2B ($33.9M)
2023-06-06	BUY	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	1.0M	¥2,623.33	-10.0%	¥2.7B ($17.5M)
2023-06-06	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	250.7K	¥2,623.33	-10.0%	¥658M ($4.2M)
2023-06-06	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	249.2K	¥2,623.33	-10.0%	¥654M ($4.2M)
2023-06-06	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	2.3M	¥2,623.33	-10.0%	¥6.1B ($39.1M)
2023-04-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.2M	¥2,296.66	+2.8%	¥5.1B ($32.8M)
2023-04-06	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	5.2M	¥2,296.66	+2.8%	¥12.0B ($77.5M)
2021-10-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	506.5K	¥1,663.33	-41.9%	¥1.5B ($9.7M)
2021-10-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	4.7M	¥1,663.33	+41.9%	¥7.7B ($49.5M)
2021-10-21	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	48.8K	¥1,663.33	+41.9%	¥6.6B ($42.8M)
2021-10-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	4.6M	¥1,823.33	+29.4%	¥8.4B ($54.1M)
2021-10-06	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.1M	¥1,823.33	+29.4%	¥1.9B ($12.6M)
2021-10-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	233.9K	¥1,823.33	+29.4%	¥426M ($2.8M)
2021-03-18	BUY	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	2.1M	¥1,571.151	+50.2%	¥3.3B ($21.0M)

Frequently asked questions

Who has been buying MatsukiyoCocokara & Co. stock?: 14 distinct investors have filed 19 disclosed large-shareholding filings in MatsukiyoCocokara & Co. (3088), most recently on 2026-01-20. 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 MatsukiyoCocokara & Co. have?: MatsukiyoCocokara & Co. has 19 buy-side and 6 sell-side disclosures on record, covering ¥23.4B ($150.7M) in total reported value, spanning 2021-03-18 to 2026-01-20.
Where does StockDrifts get MatsukiyoCocokara & Co. 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 MatsukiyoCocokara & Co.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.