Who has been buying Nichirin Co., Ltd. stock?

5 distinct investors have filed 9 disclosed large-shareholding filings in Nichirin Co., Ltd. (5184), most recently on 2025-07-23. 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 Nichirin Co., Ltd. have?

Nichirin Co., Ltd. has 9 buy-side and 3 sell-side disclosures on record, covering ¥47.3B ($305.2M) in total reported value, spanning 2021-06-21 to 2025-07-23.

Where does StockDrifts get Nichirin 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.

Nichirin Co., Ltd. 5184

Company

株式会社ニチリンNichirin Co., Ltd.

Investors

Buys

Total Value

¥47.3B ($305.2M)

Avg Return

+86.99%

Last Filing

2025-07-23

Nichirin Co., Ltd. (5184) has 9 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥47.3B ($305.2M) in reported transaction value. The earliest filing StockDrifts holds for Nichirin Co., Ltd. is dated 2021-06-21; the most recent is 2025-07-23. 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 +86.99%, 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
2026-06-22	BUY	unknown	株式会社三井住友銀行	other	143.0K	¥4,160	-2.9%	¥595M ($3.8M)
2026-06-22	SELL	Market Buy	三井住友DSアセットマネジメント株式会社	passive	430.6K	¥4,160	+2.9%	¥628M ($4.0M)
2025-07-23	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	143.0K	¥3,535	+15.7%	¥506M ($3.3M)
2025-07-23	SELL	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	581.7K	¥3,535	-15.7%	¥508M ($3.3M)
2024-08-30	BUY	unknown	東邦金属株式会社 Toho Metal Co., Ltd.	strategic	94.4K	¥3,505	+16.7%	¥331M ($2.1M)
2024-08-30	BUY	unknown	太陽ビルディング株式会社 Taiyo Building Co., Ltd.	strategic	81.5K	¥3,505	+16.7%	¥286M ($1.8M)
2024-08-30	BUY	unknown	太陽鉱工株式会社 Taiyo Koko Co., Ltd.	strategic	2.9M	¥3,505	+16.7%	¥10.1B ($65.2M)
2024-04-30	BUY	unknown	東邦金属株式会社 Toho Metal Co., Ltd.	strategic	94.4K	¥3,945	+3.7%	¥372M ($2.4M)
2024-04-30	SELL	unknown	太陽ビルディング株式会社 Taiyo Building Co., Ltd.	strategic	81.5K	¥3,945	-3.7%	¥34M ($219K)
2024-04-30	BUY	unknown	東邦金属株式会社 Toho Metal Co., Ltd.	strategic	94.4K	¥3,945	+3.7%	¥372M ($2.4M)
2024-04-30	BUY	unknown	太陽鉱工株式会社 Taiyo Koko Co., Ltd.	strategic	3.2M	¥3,945	+3.7%	¥12.6B ($81.0M)
2024-04-30	BUY	unknown	太陽鉱工株式会社 Taiyo Koko Co., Ltd.	strategic	3.2M	¥3,945	+3.7%	¥12.6B ($81.0M)
2024-04-30	SELL	unknown	太陽ビルディング株式会社 Taiyo Building Co., Ltd.	strategic	81.5K	¥3,945	-3.7%	¥34M ($219K)
2023-10-06	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	143.0K	¥2,922	+40.0%	¥418M ($2.7M)
2023-10-06	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	726.2K	¥2,922	+40.0%	¥2.1B ($13.5M)
2022-02-07	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	143.0K	¥1,561	+162.0%	¥223M ($1.4M)
2022-02-07	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	875.3K	¥1,561	+162.0%	¥1.3B ($8.7M)
2022-01-11	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	1.0M	¥1,629	+151.1%	¥1.7B ($10.9M)
2022-01-11	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	143.0K	¥1,629	+151.1%	¥233M ($1.5M)
2021-10-25	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	143.0K	¥1,811	+125.8%	¥259M ($1.7M)
2021-10-25	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	1.2M	¥1,811	+125.8%	¥2.2B ($13.9M)
2021-09-27	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	143.0K	¥1,767	+131.5%	¥253M ($1.6M)
2021-09-27	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	1.4M	¥1,767	+131.5%	¥2.4B ($15.2M)
2021-06-21	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	143.0K	¥1,646	+148.5%	¥235M ($1.5M)
2021-06-21	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	1.5M	¥1,646	+148.5%	¥2.4B ($15.7M)

Frequently asked questions

Who has been buying Nichirin Co., Ltd. stock?: 5 distinct investors have filed 9 disclosed large-shareholding filings in Nichirin Co., Ltd. (5184), most recently on 2025-07-23. 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 Nichirin Co., Ltd. have?: Nichirin Co., Ltd. has 9 buy-side and 3 sell-side disclosures on record, covering ¥47.3B ($305.2M) in total reported value, spanning 2021-06-21 to 2025-07-23.
Where does StockDrifts get Nichirin 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 Nichirin Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.