Who has been buying Nippon Felt Co., Ltd. stock?

4 distinct investors have filed 3 disclosed large-shareholding filings in Nippon Felt Co., Ltd. (3512), most recently on 2026-03-31. 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 Felt Co., Ltd. have?

Nippon Felt Co., Ltd. has 3 buy-side and 1 sell-side disclosures on record, covering ¥185M ($1.2M) in total reported value, spanning 2025-12-25 to 2026-03-31.

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 Felt Co., Ltd. 3512

Company

日本フエルト株式会社Nippon Felt Co., Ltd.

Investors

Buys

Total Value

¥185M ($1.2M)

Avg Return

+5.41%

Last Filing

2026-03-31

Nippon Felt Co., Ltd. (3512) has 3 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥185M ($1.2M) in reported transaction value. The earliest filing StockDrifts holds for Nippon Felt Co., Ltd. is dated 2025-12-25; the most recent is 2026-03-31. Across these filings the average return since disclosure is +5.41%, 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
2026-08-28	BUY	Market Buy	株式会社ドリームキャリア	activist	6.2K	¥1,030	+1.6%	¥6M ($37K)
2026-08-28	BUY	Market Buy	株式会社UESHIMA	activist	32.6K	¥1,030	+1.6%	¥28M ($183K)
2026-08-28	BUY	Market Buy	株式会社ドリームキャリアホールディングス	activist	9.2K	¥1,030	+1.6%	¥9M ($61K)
2026-08-28	BUY	Market Buy	株式会社ナチュラリ	activist	469.0K	¥1,030	+1.6%	¥83M ($536K)
2026-08-28	BUY	Market Buy	植島幹九郎	activist	472.5K	¥1,030	+1.6%	¥43M ($280K)
2026-08-28	BUY	Market Buy	株式会社DOE5パーセント	activist	550.5K	¥1,030	+1.6%	¥21M ($134K)
2026-06-26	BUY	Market Buy	株式会社DOE5パーセント	activist	529.2K	¥790	+32.4%	¥125M ($804K)
2026-06-26	BUY	unknown	植島幹九郎	activist	430.2K	¥790	-	-
2026-06-26	BUY	Market Buy	株式会社ナチュラリ	activist	388.8K	¥790	+32.4%	¥30M ($196K)
2026-06-26	BUY	Market Buy	株式会社UESHIMA	activist	4.8K	¥790	+32.4%	¥4M ($28K)
2026-06-26	BUY	Market Buy	株式会社DOE5パーセント	activist	529.2K	¥790	+32.4%	¥125M ($804K)
2026-06-26	BUY	unknown	植島幹九郎	activist	430.2K	¥790	-	-
2026-06-26	BUY	Market Buy	株式会社ナチュラリ	activist	388.8K	¥790	+32.4%	¥30M ($196K)
2026-06-26	BUY	unknown	株式会社UESHIMA	activist	4.8K	¥790	-	-
2026-06-12	BUY	unknown	植島幹九郎	activist	430.2K	¥771	-	-
2026-06-12	BUY	Market Buy	株式会社DOE5パーセント	activist	373.2K	¥771	+35.7%	¥11M ($73K)
2026-06-12	BUY	unknown	株式会社ナチュラリ	activist	351.2K	¥771	-	-
2026-06-12	BUY	Market Buy	株式会社UESHIMA	activist	4.8K	¥771	+35.7%	¥4M ($27K)
2026-05-26	BUY	Market Buy	株式会社DOE5パーセント	activist	357.1K	¥847	+23.5%	¥255M ($1.6M)
2026-05-26	SELL	unknown	植島幹九郎	activist	430.2K	¥847	-23.5%	¥255M ($1.6M)
2026-05-26	BUY	Market Buy	株式会社ナチュラリ	activist	351.2K	¥847	+23.5%	¥26M ($170K)
2026-05-15	BUY	Market Buy	植島幹九郎	activist	731.2K	¥777	+34.6%	¥64M ($414K)
2026-05-15	BUY	unknown	株式会社DOE5パーセント	activist	56.1K	¥777	-	-
2026-05-15	BUY	Market Buy	株式会社ナチュラリ	activist	319.2K	¥777	+34.6%	¥83M ($533K)
2026-03-31	BUY	unknown	株式会社ナチュラリ	activist	212.1K	¥868	+20.5%	¥185M ($1.2M)
2026-03-31	BUY	unknown	株式会社DOE5パーセント	activist	56.1K	¥868	+20.5%	¥49M ($318K)
2026-03-31	BUY	unknown	植島幹九郎	activist	649.9K	¥868	+20.5%	¥564M ($3.6M)
2025-12-25	SELL	negotiated	日本製紙株式会社 Nippon Paper Industries Co., Ltd.	strategic	762.7K	¥782	-33.8%	¥439M ($2.8M)

Frequently asked questions

Who has been buying Nippon Felt Co., Ltd. stock?: 4 distinct investors have filed 3 disclosed large-shareholding filings in Nippon Felt Co., Ltd. (3512), most recently on 2026-03-31. 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 Felt Co., Ltd. have?: Nippon Felt Co., Ltd. has 3 buy-side and 1 sell-side disclosures on record, covering ¥185M ($1.2M) in total reported value, spanning 2025-12-25 to 2026-03-31.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.