Who has been buying BlueMeme Inc. stock?

8 distinct investors have filed 16 disclosed large-shareholding filings in BlueMeme Inc. (4069), most recently on 2026-02-17. 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 BlueMeme Inc. have?

BlueMeme Inc. has 16 buy-side and 13 sell-side disclosures on record, covering ¥7.9B ($51.1M) in total reported value, spanning 2021-07-01 to 2026-02-17.

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.

BlueMeme Inc. 4069

Company

株式会社BlueMemeBlueMeme Inc.

Investors

Buys

Total Value

¥7.9B ($51.1M)

Avg Return

-42.41%

Last Filing

2026-02-17

BlueMeme Inc. (4069) has 16 disclosed large-shareholding filings and 13 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥7.9B ($51.1M) in reported transaction value. The earliest filing StockDrifts holds for BlueMeme Inc. is dated 2021-07-01; the most recent is 2026-02-17. Across these filings the average return since disclosure is -42.41%, 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
2026-02-17	BUY	unknown	三井情報株式会社 MITSUI KNOWLEDGE INDUSTRY CO., LTD.	strategic	733.0K	¥1,020	-	¥44M ($281K)
2026-02-17	BUY	unknown	三井情報株式会社 MITSUI KNOWLEDGE INDUSTRY CO., LTD.	strategic	733.0K	¥1,020	-37.8%	¥748M ($4.8M)
2025-09-29	SELL	unknown	松岡真功 Masanori Matsuoka	activist	310.0K	¥2,164	+70.7%	¥21M ($136K)
2025-09-29	SELL	unknown	BMトラスト株式会社 BM Trust Co., Ltd.	strategic	365.0K	¥2,164	+70.7%	¥24M ($156K)
2025-09-29	SELL	unknown	松岡真功 Masanori Matsuoka	activist	0	¥2,164	+70.7%	¥671M ($4.3M)
2025-09-29	SELL	unknown	BMトラスト株式会社 BM Trust Co., Ltd.	strategic	165.0K	¥2,164	+70.7%	¥433M ($2.8M)
2025-09-26	BUY	unknown	情報技術開発株式会社 T.D.I.CO.,LTD.	strategic	788.1K	¥2,307	-72.5%	¥1.8B ($11.7M)
2025-09-26	BUY	unknown	情報技術開発株式会社 T.D.I.CO.,LTD.	strategic	788.1K	¥2,307	-	¥1.8B ($11.7M)
2023-03-06	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	141.9K	¥1,400	-54.6%	¥197M ($1.3M)
2023-03-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	unknown	0	¥1,400	+54.6%	¥35M ($228K)
2022-11-07	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	150.7K	¥1,936	-67.2%	¥292M ($1.9M)
2022-11-07	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	25.0K	¥1,936	-67.2%	¥48M ($312K)
2022-07-22	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	140.9K	¥1,830	-	-
2022-07-22	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	19.0K	¥1,830	+65.3%	¥81M ($520K)
2022-06-06	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	140.9K	¥1,828	+65.3%	¥6M ($37K)
2022-06-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	63.0K	¥1,828	+65.3%	¥98M ($631K)
2022-06-03	BUY	unknown	松岡真功 Masanori Matsuoka	activist	310.0K	¥1,817	-	-
2022-06-03	BUY	unknown	BMトラスト株式会社 BM Trust Co., Ltd.	strategic	365.0K	¥1,817	-	-
2022-05-19	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	140.9K	¥1,926	+67.0%	¥22M ($144K)
2022-05-19	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	114.0K	¥1,926	-67.0%	¥76M ($493K)
2022-04-28	SELL	unknown	BMトラスト株式会社 BM Trust Co., Ltd.	strategic	365.0K	¥2,400	+73.5%	¥20M ($130K)
2022-04-28	BUY	unknown	松岡真功 Masanori Matsuoka	activist	310.0K	¥2,400	-	-
2022-04-21	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	152.4K	¥2,241	-71.7%	¥342M ($2.2M)
2022-04-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	74.0K	¥2,241	-71.7%	¥166M ($1.1M)
2022-04-15	BUY	unknown	三井情報株式会社 MITSUI KNOWLEDGE INDUSTRY CO., LTD.	strategic	733.0K	¥2,372	-73.2%	¥1.7B ($11.2M)
2022-04-14	SELL	Market Buy	モバイル・インターネットキャピタル株式会社 Mobile Internet Capital,Inc.	passive	40.4K	¥2,302	+72.4%	¥457M ($3.0M)
2022-04-13	BUY	Market Buy	株式会社SXキャピタル SX Capital, Inc.	passive	126.0K	¥2,420	-	¥1.3B ($8.5M)
2022-04-13	SELL	unknown	松岡真功 Masanori Matsuoka	activist	310.0K	¥2,420	+73.8%	¥219M ($1.4M)
2022-04-13	SELL	Market Buy	株式会社SXキャピタル SX Capital, Inc.	passive	126.0K	¥2,420	+73.8%	¥1.3B ($8.5M)
2022-04-13	BUY	unknown	BMトラスト株式会社 BM Trust Co., Ltd.	strategic	365.0K	¥2,420	-73.8%	¥60M ($390K)
2022-04-13	SELL	unknown	BMトラスト株式会社 BM Trust Co., Ltd.	strategic	365.0K	¥2,420	+73.8%	¥60M ($390K)
2022-04-13	BUY	unknown	松岡真功 Masanori Matsuoka	activist	310.0K	¥2,420	-73.8%	¥219M ($1.4M)
2021-07-05	BUY	Market Buy	モバイル・インターネットキャピタル株式会社 Mobile Internet Capital,Inc.	passive	223.6K	¥3,085	-79.4%	¥690M ($4.5M)
2021-07-02	BUY	unknown	松岡真功 Masanori Matsuoka	activist	377.5K	¥3,055	-79.2%	¥1.2B ($7.4M)
2021-07-02	BUY	unknown	BMトラスト株式会社 BM Trust Co., Ltd.	strategic	365.0K	¥3,055	-79.2%	¥1.1B ($7.2M)
2021-07-01	BUY	Market Buy	株式会社SXキャピタル SX Capital, Inc.	passive	630.0K	¥3,225	-80.3%	¥2.0B ($13.1M)

Frequently asked questions

Who has been buying BlueMeme Inc. stock?: 8 distinct investors have filed 16 disclosed large-shareholding filings in BlueMeme Inc. (4069), most recently on 2026-02-17. 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 BlueMeme Inc. have?: BlueMeme Inc. has 16 buy-side and 13 sell-side disclosures on record, covering ¥7.9B ($51.1M) in total reported value, spanning 2021-07-01 to 2026-02-17.
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.