Who has been buying Nippon Carbide Industries Co., Inc. stock?

11 distinct investors have filed 13 disclosed large-shareholding filings in Nippon Carbide Industries Co., Inc. (4064), most recently on 2025-11-07. 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 Nippon Carbide Industries Co., Inc. have?

Nippon Carbide Industries Co., Inc. has 13 buy-side and 11 sell-side disclosures on record, covering ¥1.5B ($10.0M) in total reported value, spanning 2021-03-19 to 2025-11-07.

Where does StockDrifts get Nippon Carbide Industries Co., Inc. 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.

Nippon Carbide Industries Co., Inc. 4064

Company

日本カーバイド工業株式会社Nippon Carbide Industries Co., Inc.

Investors

Buys

Total Value

¥1.5B ($10.0M)

Avg Return

+104.34%

Last Filing

2025-11-07

Nippon Carbide Industries Co., Inc. (4064) has 13 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥1.5B ($10.0M) in reported transaction value. The earliest filing StockDrifts holds for Nippon Carbide Industries Co., Inc. is dated 2021-03-19; the most recent is 2025-11-07. 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 +104.34%, 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
2026-07-06	SELL	unknown	野村アセットマネジメント株式会社	other	353.9K	¥3,470	-2.3%	¥118M ($759K)
2026-07-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	16.3K	¥3,470	-2.3%	¥235M ($1.5M)
2025-11-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	388.4K	¥2,140	+31.3%	¥831M ($5.4M)
2025-11-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	83.5K	¥2,140	+31.3%	¥179M ($1.2M)
2023-12-13	SELL	unknown	デンカ株式会社 Denka Company Limited	other	374.0K	¥1,425	-97.1%	¥137M ($882K)
2022-09-20	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	12.8K	¥1,289	+117.9%	¥16M ($106K)
2022-09-20	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	46.2K	¥1,289	+117.9%	¥4M ($23K)
2022-09-20	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	329.9K	¥1,289	-117.9%	¥36M ($235K)
2022-09-20	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	6.7K	¥1,289	-117.9%	¥432M ($2.8M)
2022-09-08	SELL	unknown	AGC株式会社 AGC Inc.	strategic	22	¥1,228	-128.8%	¥1.1B ($7.1M)
2021-11-01	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	42.0K	¥1,396	-101.2%	¥1M ($8K)
2021-11-01	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	349.6K	¥1,396	-101.2%	¥13M ($83K)
2021-11-01	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	600	¥1,396	-101.2%	¥10M ($66K)
2021-11-01	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	332.9K	¥1,396	-101.2%	¥9M ($58K)
2021-10-18	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	97.2K	¥1,381	+103.4%	¥134M ($866K)
2021-10-18	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	42.1K	¥1,381	+103.4%	¥2M ($16K)
2021-10-18	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	351.6K	¥1,381	-103.4%	¥75M ($481K)
2021-10-18	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	332.9K	¥1,381	-103.4%	¥43M ($280K)
2021-09-22	SELL	unknown	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	7.6K	¥1,450	-93.7%	¥44M ($283K)
2021-09-22	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	11.6K	¥1,450	+93.7%	¥12M ($77K)
2021-09-22	BUY	unknown	モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	249.9K	¥1,450	+93.7%	¥346M ($2.2M)
2021-06-04	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	36.6K	¥1,309	+114.6%	¥6M ($37K)
2021-06-04	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	3.2K	¥1,309	+114.6%	¥463M ($3.0M)
2021-06-04	BUY	unknown	モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	482.0K	¥1,309	+114.6%	¥592M ($3.8M)
2021-04-22	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	31.7K	¥1,276	+120.1%	¥2M ($14K)
2021-04-22	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	200	¥1,276	+120.1%	¥255K ($2K)
2021-04-22	BUY	unknown	モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	581.8K	¥1,276	+120.1%	¥689M ($4.4M)
2021-03-19	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	29.6K	¥1,121.099	+150.6%	¥4M ($25K)
2021-03-19	BUY	unknown	モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	679.0K	¥1,121.099	+150.6%	¥699M ($4.5M)

Frequently asked questions

Who has been buying Nippon Carbide Industries Co., Inc. stock?: 11 distinct investors have filed 13 disclosed large-shareholding filings in Nippon Carbide Industries Co., Inc. (4064), most recently on 2025-11-07. 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 Nippon Carbide Industries Co., Inc. have?: Nippon Carbide Industries Co., Inc. has 13 buy-side and 11 sell-side disclosures on record, covering ¥1.5B ($10.0M) in total reported value, spanning 2021-03-19 to 2025-11-07.
Where does StockDrifts get Nippon Carbide Industries Co., Inc. 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 Nippon Carbide Industries Co., Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.