Who has been buying MEISEI INDUSTRIAL Co.,Ltd. stock?

19 distinct investors have filed 35 disclosed large-shareholding filings in MEISEI INDUSTRIAL Co.,Ltd. (1976), most recently on 2026-04-08. 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 MEISEI INDUSTRIAL Co.,Ltd. have?

MEISEI INDUSTRIAL Co.,Ltd. has 35 buy-side and 17 sell-side disclosures on record, covering ¥12.7B ($81.7M) in total reported value, spanning 2021-03-22 to 2026-04-08.

Where does StockDrifts get MEISEI INDUSTRIAL 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.

MEISEI INDUSTRIAL Co.,Ltd. 1976

Company

明星工業株式会社MEISEI INDUSTRIAL Co.,Ltd.

Investors

Buys

Total Value

¥12.7B ($81.7M)

Avg Return

+75.34%

Last Filing

2026-04-08

MEISEI INDUSTRIAL Co.,Ltd. (1976) has 35 disclosed large-shareholding filings and 17 disclosed disposals on record, filed by 19 distinct investors. Together those filings cover ¥12.7B ($81.7M) in reported transaction value. The earliest filing StockDrifts holds for MEISEI INDUSTRIAL Co.,Ltd. is dated 2021-03-22; the most recent is 2026-04-08. 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 +75.34%, 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
2026-08-12	BUY	negotiated	ダルトン・インベストメンツ・インク Dalton Investments, Inc.	activist	85.9K	¥1,787	+4.9%	¥154M ($990K)
2026-08-12	BUY	Market Buy	エヌエーブイエフ・セレクト・マスター・ファンド・エルピーFund LP) NAVF Select (Master	activist	2.8M	¥1,787	+4.9%	¥571M ($3.7M)
2026-08-12	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	4.6M	¥1,787	+4.9%	¥433M ($2.8M)
2026-06-05	BUY	Market Buy	ダルトン・インベストメンツ・インク Dalton Investments, Inc.	activist	85.9K	¥1,687	+9.5%	¥149M ($960K)
2026-06-05	BUY	Market Buy	エヌエーブイエフ・セレクト・マスター・ファンド・エルピーFund LP) NAVF Select (Master	activist	2.5M	¥1,687	+9.5%	¥363M ($2.3M)
2026-06-05	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	4.4M	¥1,687	+9.5%	¥428M ($2.8M)
2026-04-08	BUY	Market Buy	エヌエーブイエフ・セレクト・マスター・ファンド・エルピーFund LP) NAVF Select (Master	activist	2.3M	¥1,913	-3.9%	¥865M ($5.6M)
2026-04-08	SELL	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments	activist	0	¥1,913	+3.9%	¥706M ($4.6M)
2026-04-08	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	4.1M	¥1,913	-3.9%	¥63M ($408K)
2025-11-20	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.0M	¥1,614	-13.1%	¥623M ($4.0M)
2025-11-20	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	97.3K	¥1,614	-13.1%	¥383M ($2.5M)
2025-11-18	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	371.0K	¥1,570	+16.2%	¥582M ($3.8M)
2025-11-18	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	1.8M	¥1,570	+16.2%	¥839M ($5.4M)
2025-11-18	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	4.1M	¥1,570	+16.2%	¥43M ($279K)
2025-09-02	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	371.0K	¥1,649	+10.7%	¥227M ($1.5M)
2025-09-02	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	1.3M	¥1,649	+10.7%	¥473M ($3.0M)
2025-09-02	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	4.1M	¥1,649	+10.7%	¥209M ($1.3M)
2025-06-04	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	333.7K	¥1,494	+22.2%	¥499M ($3.2M)
2025-06-04	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.4M	¥1,494	+22.2%	¥3.6B ($23.4M)
2025-05-09	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.0M	¥1,448	+26.0%	¥2.9B ($18.7M)
2025-05-09	BUY	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	396.4K	¥1,448	+26.0%	¥32M ($206K)
2025-05-09	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	9.4K	¥1,448	-26.0%	¥790M ($5.1M)
2025-04-15	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	229.7K	¥1,283	+42.2%	¥295M ($1.9M)
2025-04-15	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	985.2K	¥1,283	+42.2%	¥149M ($958K)
2025-04-15	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	3.9M	¥1,283	+42.2%	¥580M ($3.7M)
2025-04-07	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	373.6K	¥1,123	+62.5%	¥62M ($399K)
2025-04-07	SELL	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.0M	¥1,123	-62.5%	¥495M ($3.2M)
2025-04-07	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	558.7K	¥1,123	+62.5%	¥627M ($4.0M)
2025-03-17	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	229.7K	¥1,260	+44.8%	¥229M ($1.5M)
2025-03-17	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	872.8K	¥1,260	+44.8%	¥521M ($3.4M)
2025-03-17	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	3.5M	¥1,260	+44.8%	¥618M ($4.0M)
2025-03-06	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	480.9K	¥1,218	-49.8%	¥121M ($780K)
2025-03-06	SELL	negotiated	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	830.2K	¥1,218	-49.8%	¥470M ($3.0M)
2025-03-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.0M	¥1,218	+49.8%	¥27M ($173K)
2025-01-10	BUY	unknown	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	3.0M	¥1,400	+30.4%	¥4.2B ($27.1M)
2025-01-10	BUY	unknown	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	51.6K	¥1,400	+30.4%	¥72M ($466K)
2025-01-10	BUY	unknown	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	457.5K	¥1,400	+30.4%	¥641M ($4.1M)
2025-01-09	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	51.6K	¥1,373	+32.9%	¥71M ($457K)
2025-01-09	BUY	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	457.5K	¥1,373	+32.9%	¥628M ($4.1M)
2025-01-09	BUY	Market Buy	ニッポン・アクティブ・バリュー・ファンド NIPPON ACTIVE VALUE FUND PLC	activist	3.0M	¥1,373	+32.9%	¥91M ($586K)
2024-07-29	BUY	Market Buy	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	10.1K	¥1,338	+36.4%	¥1.0B ($6.8M)
2024-07-29	BUY	Market Buy	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	237.0K	¥1,338	+36.4%	¥83M ($535K)
2024-07-29	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	952.6K	¥1,338	-36.4%	¥189M ($1.2M)
2024-07-29	BUY	Market Buy	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.4M	¥1,338	+36.4%	¥91M ($584K)
2024-02-13	BUY	unknown	ニッポン・アクティブ・バリュー・ファンド (NIPPON ACTIVE VALUE FUND PLC) NIPPON ACTIVE VALUE FUND PLC	activist	3.0M	¥1,153	+58.3%	¥3.5B ($22.3M)
2024-02-13	BUY	unknown	ニッポン・アクティブ・バリュー・ファンド (NIPPON ACTIVE VALUE FUND PLC) NIPPON ACTIVE VALUE FUND PLC	activist	3.0M	¥1,153	+58.3%	¥3.5B ($22.3M)
2024-02-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.8M	¥1,136	-60.6%	¥1.1B ($7.3M)
2023-08-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.5M	¥922	+97.9%	¥2.3B ($14.9M)
2023-08-22	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	329.2K	¥922	+97.9%	¥304M ($2.0M)
2023-04-21	BUY	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	123.4K	¥839	+117.5%	¥104M ($668K)

Showing the 50 most recent of 71 filings.

Frequently asked questions

Who has been buying MEISEI INDUSTRIAL Co.,Ltd. stock?: 19 distinct investors have filed 35 disclosed large-shareholding filings in MEISEI INDUSTRIAL Co.,Ltd. (1976), most recently on 2026-04-08. 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 MEISEI INDUSTRIAL Co.,Ltd. have?: MEISEI INDUSTRIAL Co.,Ltd. has 35 buy-side and 17 sell-side disclosures on record, covering ¥12.7B ($81.7M) in total reported value, spanning 2021-03-22 to 2026-04-08.
Where does StockDrifts get MEISEI INDUSTRIAL 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 MEISEI INDUSTRIAL Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.