Who has been buying Nissei ASB Machine Co., Ltd. stock?

8 distinct investors have filed 11 disclosed large-shareholding filings in Nissei ASB Machine Co., Ltd. (6284), most recently on 2025-09-19. 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 Nissei ASB Machine Co., Ltd. have?

Nissei ASB Machine Co., Ltd. has 11 buy-side and 5 sell-side disclosures on record, covering ¥16.2B ($104.2M) in total reported value, spanning 2021-06-21 to 2025-09-19.

Where does StockDrifts get Nissei ASB Machine 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.

Nissei ASB Machine Co., Ltd. 6284

Company

日精エー・エス・ビー機械株式会社Nissei ASB Machine Co., Ltd.

Investors

Buys

Total Value

¥16.2B ($104.2M)

Avg Return

+89.80%

Last Filing

2025-09-19

Nissei ASB Machine Co., Ltd. (6284) has 11 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥16.2B ($104.2M) in reported transaction value. The earliest filing StockDrifts holds for Nissei ASB Machine Co., Ltd. is dated 2021-06-21; the most recent is 2025-09-19. 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 +89.80%, 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
2025-09-19	SELL	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	592.5K	¥7,210	-14.3%	¥1.3B ($8.2M)
2025-04-14	SELL	Market Buy	ノルウェー銀行(Norges Bank) Norges Bank	passive	606.9K	¥4,385	-87.9%	¥707M ($4.6M)
2024-05-17	BUY	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	785.1K	¥5,190	+58.8%	¥4.1B ($26.3M)
2024-04-19	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	142.6K	¥4,775	+72.6%	¥147M ($946K)
2024-04-19	BUY	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	497.1K	¥4,775	+72.6%	¥2.3B ($15.1M)
2024-03-07	BUY	Market Buy	ノルウェー銀行(Norges Bank) Norges Bank	passive	768.1K	¥4,550	+81.1%	¥3.5B ($22.5M)
2024-03-04	BUY	unknown	エー・エス・ビーインコーポレーテッド株式会社 ASB Incorporated Co., Ltd.	strategic	6.5M	¥4,595	+79.3%	¥30.0B ($193.7M)
2024-03-04	BUY	unknown	青木大一 daiichi aoki	strategic	28.5K	¥4,595	+79.3%	¥131M ($845K)
2023-08-04	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	112.6K	¥4,080	+102.0%	¥63M ($404K)
2023-08-04	BUY	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	700.5K	¥4,080	+102.0%	¥2.8B ($18.2M)
2023-04-04	SELL	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	529.8K	¥3,990	-106.5%	¥1.1B ($7.1M)
2023-02-02	BUY	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	789.0K	¥4,465	+84.5%	¥3.5B ($22.7M)
2022-10-04	SELL	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	804.0K	¥3,775	-118.3%	¥684M ($4.4M)
2022-03-04	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	97.2K	¥2,974	+177.1%	¥289M ($1.9M)
2022-03-04	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	861.0K	¥2,974	+177.1%	¥534M ($3.4M)
2021-09-21	SELL	Market Buy	フランクリン・テンプルトン・インベストメンツ・コープ Franklin Templeton Investments Corp.	other	0	¥4,150	-98.5%	¥121M ($781K)
2021-09-21	BUY	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel Templeton Investment Counsel, LLC	passive	985.0K	¥4,150	+98.5%	¥1.0B ($6.5M)
2021-06-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	96.4K	¥4,865	+69.4%	¥469M ($3.0M)
2021-06-21	BUY	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	681.6K	¥4,865	+69.4%	¥3.3B ($21.4M)

Frequently asked questions

Who has been buying Nissei ASB Machine Co., Ltd. stock?: 8 distinct investors have filed 11 disclosed large-shareholding filings in Nissei ASB Machine Co., Ltd. (6284), most recently on 2025-09-19. 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 Nissei ASB Machine Co., Ltd. have?: Nissei ASB Machine Co., Ltd. has 11 buy-side and 5 sell-side disclosures on record, covering ¥16.2B ($104.2M) in total reported value, spanning 2021-06-21 to 2025-09-19.
Where does StockDrifts get Nissei ASB Machine 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 Nissei ASB Machine Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.