Who has been buying UNIRITA Inc. stock?

4 distinct investors have filed 8 disclosed large-shareholding filings in UNIRITA Inc. (3800), most recently on 2025-09-26. 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 UNIRITA Inc. have?

UNIRITA Inc. has 8 buy-side and 0 sell-side disclosures on record, covering ¥483M ($3.1M) in total reported value, spanning 2021-12-07 to 2025-09-26.

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.

UNIRITA Inc. 3800

Company

株式会社ユニリタUNIRITA Inc.

Investors

Buys

Total Value

¥483M ($3.1M)

Avg Return

-1.34%

Last Filing

2025-09-26

UNIRITA Inc. (3800) has 8 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥483M ($3.1M) in reported transaction value. The earliest filing StockDrifts holds for UNIRITA Inc. is dated 2021-12-07; the most recent is 2025-09-26. Across these filings the average return since disclosure is -1.34%, 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
2026-09-15	BUY	Market Buy	株式会社UH6	passive	8.5K	¥1,972	-	¥17M ($108K)
2026-09-15	BUY	Market Buy	株式会社UH Partners 2	passive	271.7K	¥1,972	+0.4%	¥96M ($621K)
2026-09-15	BUY	Market Buy	光通信株式会社	passive	568.3K	¥1,972	-	-
2026-08-19	SELL	unknown	日本情報産業株式会社	unknown	0	¥1,970	-0.5%	¥493M ($3.2M)
2026-08-19	SELL	unknown	株式会社アイネット	unknown	0	¥1,970	-0.5%	¥493M ($3.2M)
2026-05-27	BUY	unknown	株式会社アイネット	other	250.0K	¥1,955	+1.3%	¥489M ($3.2M)
2026-05-27	BUY	unknown	日本情報産業株式会社	other	250.0K	¥1,955	+1.3%	¥489M ($3.2M)
2025-09-26	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	568.3K	¥1,938	-	-
2025-09-26	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	223.0K	¥1,938	+2.2%	¥132M ($850K)
2025-04-07	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	568.3K	¥1,865	-	-
2025-04-07	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	154.9K	¥1,865	+6.2%	¥151M ($972K)
2024-09-04	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	568.3K	¥1,942	+2.0%	¥11M ($70K)
2024-09-04	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	74.5K	¥1,942	-	¥145M ($933K)
2024-07-29	BUY	Market Buy	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	374.8K	¥1,988	-0.4%	¥45M ($287K)
2024-07-29	BUY	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	strategic	255.0K	¥1,988	-0.4%	¥30M ($195K)
2024-03-22	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	562.7K	¥1,993	-0.7%	¥159M ($1.0M)
2023-08-07	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	482.4K	¥1,864	+6.2%	¥149M ($962K)
2021-12-07	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	402.3K	¥1,880	+5.3%	¥756M ($4.9M)

Frequently asked questions

Who has been buying UNIRITA Inc. stock?: 4 distinct investors have filed 8 disclosed large-shareholding filings in UNIRITA Inc. (3800), most recently on 2025-09-26. 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 UNIRITA Inc. have?: UNIRITA Inc. has 8 buy-side and 0 sell-side disclosures on record, covering ¥483M ($3.1M) in total reported value, spanning 2021-12-07 to 2025-09-26.
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.