Who has been buying Nakano Refrigerators Co.,Ltd. stock?

9 distinct investors have filed 10 disclosed large-shareholding filings in Nakano Refrigerators Co.,Ltd. (6411), most recently on 2025-08-07. 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 Nakano Refrigerators Co.,Ltd. have?

Nakano Refrigerators Co.,Ltd. has 10 buy-side and 8 sell-side disclosures on record, covering ¥41.6B ($268.4M) in total reported value, spanning 2021-06-07 to 2025-08-07.

Where does StockDrifts get Nakano Refrigerators 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.

Nakano Refrigerators Co.,Ltd. 6411

Company

中野冷機株式会社Nakano Refrigerators Co.,Ltd.

Investors

Buys

Total Value

¥41.6B ($268.4M)

Avg Return

+20.65%

Last Filing

2025-08-07

Nakano Refrigerators Co.,Ltd. (6411) has 10 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥41.6B ($268.4M) in reported transaction value. The earliest filing StockDrifts holds for Nakano Refrigerators Co.,Ltd. is dated 2021-06-07; the most recent is 2025-08-07. 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 +20.65%, 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
2025-08-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	2.8K	¥7,870	+0.1%	¥2.0B ($13.2M)
2025-08-07	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	unknown	0	¥7,870	+0.1%	¥1.9B ($12.1M)
2025-08-04	BUY	unknown	エムキャップ十五号株式会社 M Cap No. 15, Co., Ltd.	activist	4.8M	¥7,870	-0.1%	¥37.8B ($243.9M)
2025-08-04	BUY	unknown	エムキャップ十五号株式会社 M Cap No. 15, Co., Ltd.	activist	4.8M	¥7,870	-0.1%	¥37.8B ($243.9M)
2025-07-30	BUY	unknown	アイング株式会社 Iing Co., Ltd.	other	1.7M	¥7,860	+0.0%	¥13.1B ($84.3M)
2025-07-30	BUY	acquisition	エムキャップ十五号株式会社 M Cap No. 15, Co., Ltd.	activist	3.1M	¥7,860	+0.0%	¥24.7B ($159.2M)
2025-07-23	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	239.0K	¥7,880	-0.3%	¥1.9B ($12.2M)
2025-07-23	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	262.5K	¥7,880	-0.3%	¥651M ($4.2M)
2025-07-07	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	180.1K	¥7,880	-0.3%	¥1.3B ($8.4M)
2025-07-07	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	239.0K	¥7,880	-0.3%	¥1.9B ($12.2M)
2025-06-19	BUY	unknown	アイング株式会社 Iing Co., Ltd.	other	1.7M	¥7,900	-0.5%	¥13.1B ($84.7M)
2025-06-19	BUY	unknown	アイング株式会社 Iing Co., Ltd.	other	1.7M	¥7,900	-0.5%	¥13.1B ($84.7M)
2024-01-04	BUY	unknown	株式会社UH Partners 2 UH Partners 2, Inc.	passive	16.7K	¥6,390	+23.0%	¥107M ($688K)
2024-01-04	BUY	unknown	光通信株式会社 Hikari Tsushin K.K.	passive	118.8K	¥6,390	+23.0%	¥740M ($4.8M)
2024-01-04	SELL	unknown	株式会社光通信 HIKARI TSUSHIN, Inc.	unknown	0	¥6,390	-23.0%	¥95M ($614K)
2023-12-22	BUY	acquisition	アイング株式会社 Iing Co., Ltd.	passive	1.7M	¥7,200	+9.2%	¥12.0B ($77.2M)
2023-11-24	SELL	unknown	中野順造 Junzo Nakano	strategic	88.0K	¥6,890	-14.1%	¥7M ($45K)
2023-11-24	SELL	unknown	中野誠子 nakano seiko	strategic	150.0K	¥6,890	-14.1%	¥346M ($2.2M)
2022-09-16	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	279.2K	¥6,140	+28.0%	¥311M ($2.0M)
2022-09-16	BUY	Market Buy	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	1.5M	¥6,140	+28.0%	¥9.1B ($59.0M)
2022-06-27	SELL	unknown	中野誠子 nakano seiko	strategic	200.0K	¥5,510	-42.6%	¥279M ($1.8M)
2022-06-27	BUY	unknown	中野順造 Junzo Nakano	strategic	89.0K	¥5,510	+42.6%	¥490M ($3.2M)
2022-02-28	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	228.4K	¥5,670	+38.6%	¥293M ($1.9M)
2022-02-28	BUY	Market Buy	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	1.5M	¥5,670	+38.6%	¥8.4B ($54.5M)
2022-01-07	SELL	unknown	中野誠子 nakano seiko	strategic	251.0K	¥5,650	-39.1%	¥289M ($1.9M)
2022-01-07	BUY	unknown	中野順造 Junzo Nakano	strategic	89.0K	¥5,650	+39.1%	¥503M ($3.2M)
2022-01-07	BUY	unknown	中野順造 Junzo Nakano	strategic	89.0K	¥5,650	+39.1%	¥503M ($3.2M)
2022-01-07	SELL	unknown	中野誠子 nakano seiko	strategic	251.0K	¥5,650	-39.1%	¥289M ($1.9M)
2021-12-21	BUY	Market Buy	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	1.5M	¥6,290	+25.0%	¥9.4B ($60.4M)
2021-12-21	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	176.9K	¥6,290	+25.0%	¥322M ($2.1M)
2021-06-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	14.9K	¥5,550	+41.6%	¥83M ($534K)
2021-06-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	239.0K	¥5,550	+41.6%	¥1.3B ($8.6M)

Frequently asked questions

Who has been buying Nakano Refrigerators Co.,Ltd. stock?: 9 distinct investors have filed 10 disclosed large-shareholding filings in Nakano Refrigerators Co.,Ltd. (6411), most recently on 2025-08-07. 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 Nakano Refrigerators Co.,Ltd. have?: Nakano Refrigerators Co.,Ltd. has 10 buy-side and 8 sell-side disclosures on record, covering ¥41.6B ($268.4M) in total reported value, spanning 2021-06-07 to 2025-08-07.
Where does StockDrifts get Nakano Refrigerators 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 Nakano Refrigerators Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.