Who has been buying MT Genex Corporation stock?

4 distinct investors have filed 11 disclosed large-shareholding filings in MT Genex Corporation (9820), most recently on 2026-03-24. 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 MT Genex Corporation have?

MT Genex Corporation has 11 buy-side and 0 sell-side disclosures on record, covering ¥509M ($3.3M) in total reported value, spanning 2021-10-29 to 2026-03-24.

Where does StockDrifts get MT Genex 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.

MT Genex Corporation 9820

Company

エムティジェネックス株式会社MT Genex Corporation

Investors

Buys

Total Value

¥509M ($3.3M)

Avg Return

+38.56%

Last Filing

2026-03-24

MT Genex Corporation (9820) has 11 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥509M ($3.3M) in reported transaction value. The earliest filing StockDrifts holds for MT Genex Corporation is dated 2021-10-29; the most recent is 2026-03-24. 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 +38.56%, 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
2026-06-26	BUY	Market Buy	株式会社UH6	passive	1.1K	¥3,500	+5.3%	¥4M ($25K)
2026-06-26	BUY	Market Buy	株式会社UH Partners 3	passive	11.2K	¥3,500	+5.3%	¥39M ($253K)
2026-06-26	BUY	Market Buy	株式会社UH Partners 2	passive	82.7K	¥3,500	+5.3%	¥289M ($1.9M)
2026-06-26	BUY	Market Buy	光通信株式会社	passive	80.8K	¥3,500	+5.3%	¥283M ($1.8M)
2026-03-24	BUY	Market Buy	株式会社UH6	passive	1.1K	¥3,495	-4.1%	¥4M ($26K)
2026-03-24	BUY	Market Buy	株式会社UH Partners 2	passive	82.7K	¥3,495	+4.1%	¥301M ($1.9M)
2026-03-24	BUY	Market Buy	光通信株式会社	passive	80.8K	¥3,495	-4.1%	¥294M ($1.9M)
2025-09-29	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	70.6K	¥3,460	+5.2%	¥31M ($198K)
2025-09-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	80.8K	¥3,460	+5.2%	¥280M ($1.8M)
2025-06-02	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	61.8K	¥3,000	+21.3%	¥33M ($211K)
2025-06-02	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	80.8K	¥3,000	+21.3%	¥242M ($1.6M)
2025-02-27	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	50.9K	¥2,508	+45.1%	¥28M ($178K)
2025-02-27	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	80.8K	¥2,508	+45.1%	¥203M ($1.3M)
2024-11-06	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	39.8K	¥2,435	+49.5%	¥26M ($170K)
2024-11-06	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	80.8K	¥2,435	+49.5%	¥197M ($1.3M)
2024-07-10	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	29.0K	¥2,640	+37.9%	¥29M ($184K)
2024-07-10	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	80.8K	¥2,640	+37.9%	¥213M ($1.4M)
2023-10-23	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	18.2K	¥2,395	+52.0%	¥27M ($172K)
2023-10-23	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	80.8K	¥2,395	+52.0%	¥194M ($1.2M)
2023-05-10	BUY	unknown	森トラスト株式会社 MORI TRUST CO., LTD.	other	574.6K	¥2,365	+53.9%	¥1.4B ($8.8M)
2022-04-25	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	7.1K	¥2,319	+57.0%	¥16M ($106K)
2022-04-25	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	80.8K	¥2,319	+57.0%	¥9M ($58K)
2022-03-09	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	76.9K	¥2,315	+57.2%	¥26M ($169K)
2021-12-10	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	65.5K	¥2,478	+46.9%	¥27M ($174K)
2021-10-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	54.6K	¥2,462	+47.9%	¥134M ($867K)

Frequently asked questions

Who has been buying MT Genex Corporation stock?: 4 distinct investors have filed 11 disclosed large-shareholding filings in MT Genex Corporation (9820), most recently on 2026-03-24. 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 MT Genex Corporation have?: MT Genex Corporation has 11 buy-side and 0 sell-side disclosures on record, covering ¥509M ($3.3M) in total reported value, spanning 2021-10-29 to 2026-03-24.
Where does StockDrifts get MT Genex 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 MT Genex Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.