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

4 distinct investors have filed 6 disclosed large-shareholding filings in Tripleone Co., Ltd. (6695), most recently on 2026-05-12. 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 Tripleone Co., Ltd. have?

Tripleone Co., Ltd. has 6 buy-side and 5 sell-side disclosures on record, covering ¥21M ($134K) in total reported value, spanning 2021-03-23 to 2026-05-12.

Where does StockDrifts get Tripleone 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.

Tripleone Co., Ltd. 6695

Company

株式会社トリプルワンTripleone Co., Ltd.

Investors

Buys

Total Value

¥21M ($134K)

Avg Return

+5.52%

Last Filing

2026-05-12

Tripleone Co., Ltd. (6695) has 6 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥21M ($134K) in reported transaction value. The earliest filing StockDrifts holds for Tripleone Co., Ltd. is dated 2021-03-23; the most recent is 2026-05-12. 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 +5.52%, 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
2026-05-12	BUY	block_purchase	株式会社NFKホールディングス代表取締役豊田悦章 NFK HOLDINGS CO.,LTD.	corporate	1.2M	¥150	+0.0%	¥15M ($94K)
2025-08-05	BUY	acquisition	株式会社NFKホールディングス代表取締役豊田悦章 NFK HOLDINGS CO.,LTD.	corporate	1.1M	¥147.5	+1.7%	¥74M ($478K)
2022-07-27	SELL	unknown	Z株式会社 Z Inc.	unknown	0	¥140.247	-7.0%	¥8M ($49K)
2022-07-27	BUY	Market Buy	株式会社NFKホールディングス代表取締役豊田悦章 NFK HOLDINGS CO., LTD	other	64.5K	¥140.247	+7.0%	¥6M ($40K)
2022-07-25	BUY	Market Buy	株式会社NFKホールディングス代表取締役豊田悦章 NFK HOLDINGS CO., LTD	passive	20.0K	¥140.247	+7.0%	¥3M ($18K)
2022-03-23	BUY	acquisition	株式会社NFKホールディングス NFK HOLDINGS CO., LTD	passive	20.0K	¥140.247	+7.0%	¥3M ($18K)
2022-03-23	BUY	Market Buy	株式会社NFKホールディングス NFK HOLDINGS CO., LTD	passive	20.0K	¥140.247	+7.0%	¥3M ($18K)
2021-04-12	BUY	Market Buy	Z株式会社 Z Inc.	passive	44.5K	¥137.91	+8.8%	¥6M ($40K)
2021-04-12	BUY	Market Buy	Z株式会社 Z Inc.	passive	44.5K	¥137.91	+8.8%	¥6M ($40K)
2021-03-29	BUY	Market Buy	Z株式会社 Z Inc.	passive	44.5K	¥137.91	+8.8%	¥6M ($40K)
2021-03-29	BUY	Market Buy	Z株式会社 Z Inc.	passive	44.5K	¥137.91	+8.8%	¥6M ($40K)
2021-03-26	SELL	unknown	福島慶多 Keita Fukushima	strategic	10.0K	¥137.91	-8.8%	¥5M ($31K)
2021-03-26	SELL	unknown	福島トシ Toshi Fukushima	unknown	0	¥137.91	-8.8%	¥1M ($9K)
2021-03-23	SELL	negotiated	福島慶多 Keita Fukushima	activist	10.0K	¥137.91	-8.8%	¥5M ($31K)
2021-03-23	SELL	unknown	福島トシ Toshi Fukushima	unknown	0	¥137.91	-8.8%	¥1M ($9K)
2021-03-23	BUY	unknown	福島トシ Toshi Fukushima	unknown	0	¥137.91	+8.8%	¥1M ($9K)
2021-03-23	BUY	negotiated	福島慶多 Keita Fukushima	activist	10.0K	¥137.91	+8.8%	¥5M ($31K)

Frequently asked questions

Who has been buying Tripleone Co., Ltd. stock?: 4 distinct investors have filed 6 disclosed large-shareholding filings in Tripleone Co., Ltd. (6695), most recently on 2026-05-12. 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 Tripleone Co., Ltd. have?: Tripleone Co., Ltd. has 6 buy-side and 5 sell-side disclosures on record, covering ¥21M ($134K) in total reported value, spanning 2021-03-23 to 2026-05-12.
Where does StockDrifts get Tripleone 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 Tripleone Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.