Who has been buying Ebara Jitsugyo Co.,Ltd. stock?

11 distinct investors have filed 16 disclosed large-shareholding filings in Ebara Jitsugyo Co.,Ltd. (6328), most recently on 2025-10-22. 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 Ebara Jitsugyo Co.,Ltd. have?

Ebara Jitsugyo Co.,Ltd. has 16 buy-side and 4 sell-side disclosures on record, covering ¥1.4B ($9.3M) in total reported value, spanning 2021-08-25 to 2025-10-22.

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.

Ebara Jitsugyo Co.,Ltd. 6328

Company

荏原実業株式会社Ebara Jitsugyo Co.,Ltd.

Investors

Buys

Total Value

¥1.4B ($9.3M)

Avg Return

+46.58%

Last Filing

2025-10-22

Ebara Jitsugyo Co.,Ltd. (6328) has 16 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥1.4B ($9.3M) in reported transaction value. The earliest filing StockDrifts holds for Ebara Jitsugyo Co.,Ltd. is dated 2021-08-25; the most recent is 2025-10-22. Across these filings the average return since disclosure is +46.58%, 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
2026-08-20	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	590.0K	¥2,414	-2.6%	¥643M ($4.1M)
2026-08-20	BUY	negotiated	ダルトン・インベストメンツ・インク Dalton Investments, Inc.	activist	605.9K	¥2,414	-	-
2026-08-20	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	1.8M	¥2,414	-	-
2026-06-23	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	1.8M	¥2,397	-	-
2026-06-23	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	322.0K	¥2,397	-1.9%	¥533M ($3.4M)
2026-06-23	BUY	Market Buy	ダルトン・インベストメンツ・インク Dalton Investments, Inc.	activist	605.9K	¥2,397	-1.9%	¥93M ($600K)
2026-06-23	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	322.0K	¥2,397	-1.9%	¥533M ($3.4M)
2026-06-23	BUY	Market Buy	ダルトン・インベストメンツ・インク Dalton Investments, Inc.	activist	605.9K	¥2,397	-1.9%	¥93M ($600K)
2026-06-23	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	1.8M	¥2,397	-	-
2025-10-22	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	300.0K	¥2,212.5	-	-
2025-10-22	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	8.9K	¥2,212.5	-6.3%	¥515M ($3.3M)
2025-10-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	207.6K	¥2,212.5	-	-
2025-10-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	300.0K	¥2,225	+5.7%	¥668M ($4.3M)
2025-10-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	241.2K	¥2,225	+5.7%	¥537M ($3.5M)
2025-10-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	207.7K	¥2,225	+5.7%	¥462M ($3.0M)
2025-09-19	SELL	Market Buy	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	242.7K	¥2,222.5	-5.8%	¥3M ($19K)
2025-09-19	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	300.0K	¥2,222.5	+5.8%	¥26M ($167K)
2025-09-19	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	160.2K	¥2,222.5	+5.8%	¥75M ($482K)
2025-01-10	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	913.1K	¥1,872.5	-	-
2025-01-10	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	50.0K	¥1,872.5	-	-
2025-01-10	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	282.6K	¥1,872.5	+25.6%	¥184M ($1.2M)
2024-11-01	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	913.1K	¥2,065	+13.9%	¥11M ($69K)
2024-11-01	SELL	Market Buy	エヌエーブイエフ・セレクト・エルエルシー NAVF Select LLC	activist	50.0K	¥2,065	-13.9%	¥40M ($258K)
2024-11-01	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	184.5K	¥2,065	+13.9%	¥270M ($1.7M)
2024-06-28	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	907.8K	¥2,062.5	+14.0%	¥131M ($843K)
2024-06-28	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	70.3K	¥2,062.5	+14.0%	¥27M ($172K)
2024-06-28	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	54.9K	¥2,062.5	-	¥113M ($731K)
2023-01-20	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	877.4K	¥1,186	+98.3%	¥83M ($534K)
2023-01-20	BUY	Market Buy	マイケル・ワン・サウザンド・ナイン・ハンドレッド・トゥエンティ・ファイブ・エルエルシー Michael 1925 LLC	activist	59.1K	¥1,186	+98.3%	¥11M ($72K)
2022-03-31	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	806.5K	¥1,228.5	+91.5%	¥30M ($192K)
2022-03-31	BUY	Market Buy	マイケル・ワン・サウザンド・ナイン・ハンドレッド・トゥエンティ・ファイブ・エルエルシー Michael 1925 LLC	passive	50.0K	¥1,228.5	+91.5%	¥20M ($128K)
2022-01-18	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	950.9K	¥1,137	-106.9%	¥296M ($1.9M)
2022-01-18	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	260.3K	¥1,137	-	¥296M ($1.9M)
2021-11-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥1,272.5	+84.8%	¥39M ($254K)
2021-08-25	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	783.6K	¥1,263.5	+86.2%	¥136M ($876K)
2021-08-25	BUY	Market Buy	マイケル・ワン・サウザンド・ナイン・ハンドレッド・トゥエンティ・ファイブ・エルエルシー Michael 1925 LLC	passive	33.8K	¥1,263.5	-	¥43M ($276K)

Frequently asked questions

Who has been buying Ebara Jitsugyo Co.,Ltd. stock?: 11 distinct investors have filed 16 disclosed large-shareholding filings in Ebara Jitsugyo Co.,Ltd. (6328), most recently on 2025-10-22. 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 Ebara Jitsugyo Co.,Ltd. have?: Ebara Jitsugyo Co.,Ltd. has 16 buy-side and 4 sell-side disclosures on record, covering ¥1.4B ($9.3M) in total reported value, spanning 2021-08-25 to 2025-10-22.
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.