Who has been buying Nippon Yakin Kogyo Co., Ltd. stock?

12 distinct investors have filed 12 disclosed large-shareholding filings in Nippon Yakin Kogyo Co., Ltd. (5480), most recently on 2024-07-29. 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 Yakin Kogyo Co., Ltd. have?

Nippon Yakin Kogyo Co., Ltd. has 12 buy-side and 7 sell-side disclosures on record, covering ¥3.5B ($22.4M) in total reported value, spanning 2021-07-26 to 2024-07-29.

Where does StockDrifts get Nippon Yakin Kogyo 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.

Nippon Yakin Kogyo Co., Ltd. 5480

Company

日本冶金工業株式会社Nippon Yakin Kogyo Co., Ltd.

Investors

Buys

Total Value

¥3.5B ($22.4M)

Avg Return

+36.79%

Last Filing

2024-07-29

Nippon Yakin Kogyo Co., Ltd. (5480) has 12 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 12 distinct investors. Together those filings cover ¥3.5B ($22.4M) in reported transaction value. The earliest filing StockDrifts holds for Nippon Yakin Kogyo Co., Ltd. is dated 2021-07-26; the most recent is 2024-07-29. 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 +36.79%, 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
2026-06-04	BUY	unknown	大和証券株式会社	other	81.3K	¥4,420	+9.9%	¥359M ($2.3M)
2026-06-04	BUY	unknown	大和アセットマネジメント株式会社	other	699.2K	¥4,420	+9.9%	¥3.1B ($19.9M)
2024-07-29	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	121.7K	¥4,955	-4.4%	¥31M ($198K)
2024-07-29	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	519.9K	¥4,955	-4.4%	¥146M ($941K)
2024-07-29	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	165.6K	¥4,955	+4.4%	¥69M ($446K)
2023-09-19	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	489.4K	¥5,080	-6.8%	¥2.5B ($16.0M)
2023-09-19	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	116.9K	¥5,080	-6.8%	¥594M ($3.8M)
2023-09-19	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	180.0K	¥5,080	-6.8%	¥915M ($5.9M)
2023-06-05	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	16.3K	¥4,040	-17.2%	¥44M ($283K)
2023-06-05	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	94.4K	¥4,040	+17.2%	¥182M ($1.2M)
2023-06-05	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	425.6K	¥4,040	-17.2%	¥632M ($4.1M)
2023-06-05	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	180.0K	¥4,040	+17.2%	¥727M ($4.7M)
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	242.1K	¥2,111	+124.3%	¥3M ($21K)
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	516.3K	¥2,111	-124.3%	¥43M ($274K)
2022-03-23	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	549.0K	¥2,873	+64.8%	¥4M ($29K)
2022-03-23	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	53.5K	¥2,873	-64.8%	¥508M ($3.3M)
2022-03-23	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	65.5K	¥2,873	+64.8%	¥31M ($201K)
2022-02-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	546.5K	¥2,843	+66.5%	¥1.6B ($10.0M)
2022-02-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	230.9K	¥2,843	+66.5%	¥656M ($4.2M)
2022-02-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	55.0K	¥2,843	+66.5%	¥156M ($1.0M)
2021-07-26	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	355.0K	¥2,331	-103.1%	¥336M ($2.2M)
2021-07-26	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	25.0K	¥2,331	-103.1%	¥29M ($186K)
2021-07-26	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	311.6K	¥2,331	+103.1%	¥726M ($4.7M)

Frequently asked questions

Who has been buying Nippon Yakin Kogyo Co., Ltd. stock?: 12 distinct investors have filed 12 disclosed large-shareholding filings in Nippon Yakin Kogyo Co., Ltd. (5480), most recently on 2024-07-29. 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 Yakin Kogyo Co., Ltd. have?: Nippon Yakin Kogyo Co., Ltd. has 12 buy-side and 7 sell-side disclosures on record, covering ¥3.5B ($22.4M) in total reported value, spanning 2021-07-26 to 2024-07-29.
Where does StockDrifts get Nippon Yakin Kogyo 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 Nippon Yakin Kogyo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.