Who has been buying Tetsujin Holdings, Inc. stock?

4 distinct investors have filed 1 disclosed large-shareholding filings in Tetsujin Holdings, Inc. (2404), most recently on 2025-09-01. 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 Tetsujin Holdings, Inc. have?

Tetsujin Holdings, Inc. has 1 buy-side and 6 sell-side disclosures on record, covering ¥591M ($3.8M) in total reported value, spanning 2022-09-05 to 2025-09-01.

Where does StockDrifts get Tetsujin Holdings, Inc. 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.

Tetsujin Holdings, Inc. 2404

Company

株式会社鉄人化計画Tetsujin Holdings, Inc.

Investors

Buys

Total Value

¥591M ($3.8M)

Avg Return

+31.52%

Last Filing

2025-09-01

Tetsujin Holdings, Inc. (2404) has 1 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥591M ($3.8M) in reported transaction value. The earliest filing StockDrifts holds for Tetsujin Holdings, Inc. is dated 2022-09-05; the most recent is 2025-09-01. 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 +31.52%, 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
2025-09-01	BUY	unknown	日野真理 Mari Hino	strategic	8.0K	¥536	+3.5%	¥4M ($28K)
2025-09-01	SELL	unknown	日野洋一 Yoichi Hino	strategic	200.1K	¥536	-3.5%	¥1M ($10K)
2025-09-01	BUY	unknown	日野真理 Mari Hino	strategic	8.0K	¥536	+3.5%	¥4M ($28K)
2025-09-01	SELL	unknown	日野洋一 Yoichi Hino	strategic	200.1K	¥536	-3.5%	¥1M ($10K)
2025-09-01	SELL	unknown	ファースト・パシフィック・キャピタル有限会社 FirstPacificCapital	other	8.5M	¥536	-3.5%	¥56M ($363K)
2025-09-01	SELL	unknown	ファースト・パシフィック・キャピタル有限会社 FirstPacificCapital	other	8.5M	¥536	-3.5%	¥56M ($363K)
2025-08-14	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	1.3M	¥603	+8.0%	¥38M ($247K)
2024-12-10	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	1.4M	¥422	+31.5%	¥591M ($3.8M)
2024-09-03	BUY	unknown	日野真理 Mari Hino	strategic	8.0K	¥435	+27.6%	¥3M ($22K)
2024-09-03	BUY	unknown	日野洋一 Yoichi Hino	strategic	200.1K	¥435	+27.6%	¥87M ($562K)
2024-09-03	BUY	unknown	ファースト・パシフィック・キャピタル有限会社 FirstPacificCapital	other	8.5M	¥435	+27.6%	¥3.7B ($23.9M)
2023-09-01	BUY	unknown	日野真理 Mari Hino	strategic	8.0K	¥388	+43.0%	¥3M ($20K)
2023-09-01	BUY	unknown	日野洋一 Yoichi Hino	strategic	200.1K	¥388	+43.0%	¥78M ($501K)
2023-09-01	BUY	unknown	日野真理 Mari Hino	strategic	8.0K	¥388	+43.0%	¥3M ($20K)
2023-09-01	BUY	unknown	日野洋一 Yoichi Hino	strategic	200.1K	¥388	+43.0%	¥78M ($501K)
2023-09-01	BUY	unknown	ファースト・パシフィック・キャピタル有限会社 FirstPacificCapital	other	8.5M	¥388	+43.0%	¥3.3B ($21.3M)
2023-09-01	BUY	unknown	ファースト・パシフィック・キャピタル有限会社 FirstPacificCapital	other	8.5M	¥388	+43.0%	¥3.3B ($21.3M)
2022-09-05	BUY	unknown	日野真理 Mari Hino	strategic	8.0K	¥308	+80.2%	¥2M ($16K)
2022-09-05	SELL	unknown	日野洋一 Yoichi Hino	strategic	200.1K	¥308	-80.2%	¥8M ($54K)
2022-09-05	BUY	unknown	ファースト・パシフィック・キャピタル有限会社 FirstPacificCapital	other	8.5M	¥308	+80.2%	¥2.6B ($16.9M)

Frequently asked questions

Who has been buying Tetsujin Holdings, Inc. stock?: 4 distinct investors have filed 1 disclosed large-shareholding filings in Tetsujin Holdings, Inc. (2404), most recently on 2025-09-01. 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 Tetsujin Holdings, Inc. have?: Tetsujin Holdings, Inc. has 1 buy-side and 6 sell-side disclosures on record, covering ¥591M ($3.8M) in total reported value, spanning 2022-09-05 to 2025-09-01.
Where does StockDrifts get Tetsujin Holdings, Inc. 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 Tetsujin Holdings, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.