Who has been buying Fudo Tetra Corporation stock?

4 distinct investors have filed 26 disclosed large-shareholding filings in Fudo Tetra Corporation (1813), most recently on 2026-02-26. 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 Fudo Tetra Corporation have?

Fudo Tetra Corporation has 26 buy-side and 1 sell-side disclosures on record, covering ¥1.0B ($6.7M) in total reported value, spanning 2021-03-19 to 2026-02-26.

Where does StockDrifts get Fudo Tetra Corporation 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.

Fudo Tetra Corporation 1813

Company

株式会社不動テトラFudo Tetra Corporation

Investors

Buys

Total Value

¥1.0B ($6.7M)

Avg Return

+48.52%

Last Filing

2026-02-26

Fudo Tetra Corporation (1813) has 26 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥1.0B ($6.7M) in reported transaction value. The earliest filing StockDrifts holds for Fudo Tetra Corporation is dated 2021-03-19; the most recent is 2026-02-26. 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 +48.52%, 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
2026-02-26	BUY	unknown	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	activist	4.5M	¥3,830	-22.6%	¥17.2B ($111.1M)
2025-04-10	BUY	unknown	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	activist	4.5M	¥2,152	+37.8%	¥9.7B ($62.5M)
2025-02-20	BUY	unknown	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	activist	4.5M	¥2,182	+35.9%	¥9.8B ($63.3M)
2024-09-27	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	4.5M	¥2,328	+27.4%	¥35M ($223K)
2024-08-14	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	4.5M	¥2,219	+33.6%	¥392M ($2.5M)
2024-07-08	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	4.3M	¥2,524	+17.5%	¥491M ($3.2M)
2024-06-17	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	4.1M	¥2,541	+16.7%	¥473M ($3.1M)
2024-06-07	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	3.9M	¥2,437	+21.7%	¥490M ($3.2M)
2024-05-29	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	3.7M	¥2,539	+16.8%	¥507M ($3.3M)
2024-05-20	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	3.5M	¥2,363	+25.5%	¥464M ($3.0M)
2024-05-09	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	3.3M	¥2,319	+27.9%	¥405M ($2.6M)
2024-04-25	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	3.2M	¥2,187	+35.6%	¥393M ($2.5M)
2024-04-16	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	3.0M	¥2,058	+44.1%	¥377M ($2.4M)
2024-01-25	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	2.8M	¥2,363	+25.5%	¥390M ($2.5M)
2023-11-30	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	2.6M	¥2,189	+35.5%	¥47M ($303K)
2023-11-29	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	2.6M	¥2,135	+38.9%	¥127M ($818K)
2023-11-27	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	2.5M	¥2,098	+41.3%	¥381M ($2.5M)
2023-10-03	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	2.4M	¥1,913	+55.0%	¥155M ($997K)
2023-08-14	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	2.3M	¥1,796	+65.1%	¥296M ($1.9M)
2023-06-21	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	2.1M	¥1,820	+62.9%	¥306M ($2.0M)
2023-05-02	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	2.0M	¥1,780	+66.6%	¥9M ($57K)
2023-05-01	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,773	+67.2%	¥15M ($94K)
2023-04-10	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,622	+82.8%	¥3.1B ($20.3M)
2023-03-27	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,605	+84.7%	¥66M ($427K)
2023-03-20	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	15.3K	¥1,588	+86.7%	¥24M ($156K)
2023-03-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	643.8K	¥1,588	+86.7%	¥1.0B ($6.5M)
2023-03-20	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	30.3K	¥1,588	-86.7%	¥139M ($895K)
2023-01-30	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,541	+92.4%	¥2.9B ($18.8M)
2023-01-12	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,473	+101.3%	¥2.8B ($18.0M)
2023-01-11	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,478	+100.6%	¥2.8B ($18.1M)
2022-11-16	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,500	+97.7%	¥2.8B ($18.3M)
2022-11-09	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,479	+100.5%	¥2.8B ($18.1M)
2022-11-09	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,479	+100.5%	¥2.8B ($18.1M)
2022-11-08	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,477	+100.7%	¥2.8B ($18.1M)
2022-10-26	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,495	+98.3%	¥2.8B ($18.3M)
2022-10-25	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,477	+100.7%	¥2.8B ($18.1M)
2022-09-29	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,493	+98.6%	¥2.8B ($18.3M)
2022-09-26	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,489	+99.1%	¥2.8B ($18.2M)
2022-09-22	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,522	+94.8%	¥2.9B ($18.6M)
2022-09-21	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,529	+93.9%	¥2.9B ($18.7M)
2022-09-16	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,532	+93.5%	¥2.9B ($18.7M)
2022-09-14	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,534	+93.3%	¥2.9B ($18.8M)
2022-09-12	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,556	+90.5%	¥3.0B ($19.0M)
2022-09-08	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,546	+91.8%	¥2.9B ($18.9M)
2022-09-01	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,553	+90.9%	¥2.9B ($19.0M)
2022-08-31	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,571	+88.7%	¥3.0B ($19.2M)
2022-08-22	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,593	+86.1%	¥3.0B ($19.5M)
2022-08-01	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,649	+79.8%	¥3.1B ($20.2M)
2022-06-27	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,575	+88.3%	¥3.0B ($19.3M)
2022-06-23	BUY	Market Buy	エフィッシモキャピタルマネージメントピーティーイーエルティーディー(Effissimo Capital Management Pte. Ltd.) Effissimo Capital Management Pte. Ltd.	passive	1.9M	¥1,552	+91.0%	¥2.9B ($19.0M)

Showing the 50 most recent of 64 filings.

Frequently asked questions

Who has been buying Fudo Tetra Corporation stock?: 4 distinct investors have filed 26 disclosed large-shareholding filings in Fudo Tetra Corporation (1813), most recently on 2026-02-26. 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 Fudo Tetra Corporation have?: Fudo Tetra Corporation has 26 buy-side and 1 sell-side disclosures on record, covering ¥1.0B ($6.7M) in total reported value, spanning 2021-03-19 to 2026-02-26.
Where does StockDrifts get Fudo Tetra Corporation 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 Fudo Tetra Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.