Who has been buying HORIBA, Ltd. stock?

12 distinct investors have filed 27 disclosed large-shareholding filings in HORIBA, Ltd. (6856), most recently on 2026-05-13. 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 HORIBA, Ltd. have?

HORIBA, Ltd. has 27 buy-side and 27 sell-side disclosures on record, covering ¥106.9B ($689.6M) in total reported value, spanning 2021-06-04 to 2026-05-13.

Where does StockDrifts get HORIBA, 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.

HORIBA, Ltd. 6856

Company

株式会社堀場製作所HORIBA, Ltd.

Investors

Buys

Total Value

¥106.9B ($689.6M)

Avg Return

+113.28%

Last Filing

2026-05-13

HORIBA, Ltd. (6856) has 27 disclosed large-shareholding filings and 27 disclosed disposals on record, filed by 12 distinct investors. Together those filings cover ¥106.9B ($689.6M) in reported transaction value. The earliest filing StockDrifts holds for HORIBA, Ltd. is dated 2021-06-04; the most recent is 2026-05-13. 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 +113.28%, 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
2026-07-06	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	48.2K	¥27,650	+0.5%	¥1.3B ($8.6M)
2026-07-06	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	208.0K	¥27,650	+0.5%	¥5.8B ($37.1M)
2026-07-06	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	52.9K	¥27,650	+0.5%	¥1.5B ($9.4M)
2026-07-06	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	52.5K	¥27,650	+0.5%	¥1.5B ($9.4M)
2026-07-06	BUY	Market Buy	ブラックロック・フィナンシャル・マネジメント・インク BlackRock Financial Management, Inc.	passive	45.4K	¥27,650	+0.5%	¥1.3B ($8.1M)
2026-07-06	BUY	Market Buy	ブラックロック・アドバイザーズ・エルエルシー BlackRock Advisers, LLC	passive	113.3K	¥27,650	+0.5%	¥3.1B ($20.2M)
2026-07-06	BUY	Market Buy	ブラックロック・ジャパン株式会社	passive	671.6K	¥27,650	+0.5%	¥18.6B ($119.8M)
2026-07-06	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, N.A.	passive	573.5K	¥27,650	+0.5%	¥15.9B ($102.3M)
2026-07-06	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	464.1K	¥27,650	+0.5%	¥12.8B ($82.8M)
2026-05-13	BUY	unknown	オアシスマネジメントカンパニーリミテッド(Oasis Management Company Ltd.) Oasis Management Company Ltd.	activist	4.2M	¥24,310	+6.6%	¥101.6B ($655.6M)
2026-01-22	SELL	unknown	野村アセットマネジメント株式会社	other	1.3M	¥18,310	-14.6%	¥27.8B ($179.5M)
2026-01-22	SELL	unknown	野村證券株式会社	other	356.9K	¥18,310	-14.6%	¥7.5B ($48.3M)
2026-01-08	BUY	unknown	野村アセットマネジメント株式会社	other	1.3M	¥16,425	+27.8%	¥27.9B ($180.0M)
2026-01-08	BUY	unknown	野村證券株式会社	other	825.1K	¥16,425	+27.8%	¥17.3B ($111.7M)
2025-12-05	BUY	acquisition	オアシスマネジメントカンパニーリミテッド(Oasis Management Company Ltd.) Oasis Management Company Ltd.	activist	4.2M	¥15,265	+37.5%	¥63.8B ($411.7M)
2025-12-04	SELL	unknown	野村アセットマネジメント株式会社	other	1.3M	¥15,350	-36.7%	¥27.7B ($178.7M)
2025-12-04	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥15,350	-36.7%	-
2025-12-04	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-349.3K	¥15,350	-36.7%	¥7.3B ($47.3M)
2025-12-04	SELL	unknown	野村證券株式会社	other	302.3K	¥15,350	-36.7%	¥6.3B ($40.9M)
2025-10-20	SELL	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.3M	¥13,010	-61.3%	¥1.4B ($8.9M)
2025-10-20	BUY	Market Buy	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥13,010	+61.3%	-
2025-10-20	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	390.9K	¥13,010	-61.3%	¥4.6B ($29.8M)
2025-10-20	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	466.1K	¥13,010	+61.3%	¥6.1B ($39.1M)
2025-10-06	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.4M	¥13,265	+58.2%	¥56M ($361K)
2025-10-06	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	748.0K	¥13,265	+58.2%	¥5.4B ($34.7M)
2025-10-06	BUY	negotiated	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	700.1K	¥13,265	+58.2%	¥9.3B ($59.9M)
2025-10-06	BUY	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	1.2M	¥13,265	+58.2%	¥15.3B ($98.8M)
2025-10-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	308.0K	¥13,265	+58.2%	¥4.1B ($26.4M)
2025-10-06	SELL	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	24.6K	¥13,265	-58.2%	¥493.0B ($3.2B)
2025-09-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	308.0K	¥12,705	+65.2%	¥3.9B ($25.2M)
2025-09-19	BUY	negotiated	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	686.0K	¥12,705	+65.2%	¥859M ($5.5M)
2025-09-19	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	1.1M	¥12,705	-65.2%	¥3.5B ($22.5M)
2025-08-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.4M	¥11,285	+86.0%	¥16.2B ($104.5M)
2025-08-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	342.9K	¥11,285	+86.0%	¥3.9B ($25.0M)
2025-08-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	395.7K	¥11,285	+86.0%	¥4.5B ($28.8M)
2024-08-21	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	614.6K	¥10,190	+105.9%	¥387M ($2.5M)
2024-08-21	BUY	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	1.3M	¥10,190	+105.9%	¥473M ($3.1M)
2024-08-21	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	308.0K	¥10,190	+105.9%	¥43M ($278K)
2024-05-08	SELL	negotiated	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	27.3K	¥15,510	-35.3%	¥3.6B ($23.0M)
2024-05-08	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	302.1K	¥15,510	+35.3%	¥132M ($851K)
2024-05-08	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.2M	¥15,510	-35.3%	¥660M ($4.3M)
2024-05-08	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	465.8K	¥15,510	+35.3%	¥7.2B ($46.6M)
2024-04-01	BUY	negotiated	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	256.4K	¥15,300	+37.2%	¥2.5B ($16.4M)
2024-04-01	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	292.5K	¥15,300	+37.2%	¥716M ($4.6M)
2024-04-01	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.3M	¥15,300	-37.2%	¥3.9B ($25.2M)
2024-04-01	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	465.8K	¥15,300	+37.2%	¥7.1B ($46.0M)
2024-02-06	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	583.1K	¥12,355	-69.8%	¥105M ($678K)
2024-02-06	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	1.3M	¥12,355	-69.8%	¥1.3B ($8.1M)
2024-02-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	308.0K	¥12,355	+69.8%	¥3.8B ($24.6M)
2023-09-22	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	589.8K	¥8,053	-160.6%	¥788M ($5.1M)

Showing the 50 most recent of 82 filings.

Frequently asked questions

Who has been buying HORIBA, Ltd. stock?: 12 distinct investors have filed 27 disclosed large-shareholding filings in HORIBA, Ltd. (6856), most recently on 2026-05-13. 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 HORIBA, Ltd. have?: HORIBA, Ltd. has 27 buy-side and 27 sell-side disclosures on record, covering ¥106.9B ($689.6M) in total reported value, spanning 2021-06-04 to 2026-05-13.
Where does StockDrifts get HORIBA, 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 HORIBA, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.