Who has been buying Honyaku Center Inc. stock?

6 distinct investors have filed 21 disclosed large-shareholding filings in Honyaku Center Inc. (2483), 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 Honyaku Center Inc. have?

Honyaku Center Inc. has 21 buy-side and 5 sell-side disclosures on record, covering ¥947M ($6.1M) in total reported value, spanning 2021-03-31 to 2025-09-26.

Where does StockDrifts get Honyaku Center 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.

Honyaku Center Inc. 2483

Company

株式会社翻訳センターHonyaku Center Inc.

Investors

Buys

Total Value

¥947M ($6.1M)

Avg Return

+7.04%

Last Filing

2025-09-26

Honyaku Center Inc. (2483) has 21 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥947M ($6.1M) in reported transaction value. The earliest filing StockDrifts holds for Honyaku Center Inc. is dated 2021-03-31; the most recent is 2025-09-26. 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 +7.04%, 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
2025-09-26	BUY	Market Buy	株式会社UH5 UH5 Co., Ltd.	passive	5.8K	¥2,021	-10.2%	¥1.2B ($7.5M)
2025-09-26	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	163.9K	¥2,021	-10.2%	¥14M ($88K)
2025-09-26	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	257.3K	¥2,021	-10.2%	¥520M ($3.4M)
2025-09-26	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥2,021	-10.2%	¥506M ($3.3M)
2025-09-26	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥2,021	-10.2%	¥503M ($3.2M)
2025-08-25	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥2,049	-11.5%	¥513M ($3.3M)
2025-08-25	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	156.9K	¥2,049	-11.5%	¥71M ($459K)
2025-08-25	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	257.3K	¥2,049	-11.5%	¥527M ($3.4M)
2025-08-25	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥2,049	-11.5%	¥510M ($3.3M)
2025-07-14	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	122.4K	¥1,915	-5.3%	¥122M ($787K)
2025-07-14	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	257.3K	¥1,915	-5.3%	¥493M ($3.2M)
2025-07-14	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥1,915	-5.3%	¥480M ($3.1M)
2025-07-14	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,915	-5.3%	¥477M ($3.1M)
2025-05-22	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,731	+4.8%	¥431M ($2.8M)
2025-05-22	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	58.7K	¥1,731	+4.8%	¥11M ($71K)
2025-05-22	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	257.3K	¥1,731	+4.8%	¥51M ($331K)
2025-05-22	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥1,731	+4.8%	¥434M ($2.8M)
2025-04-04	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	227.7K	¥1,794	+1.1%	¥70M ($452K)
2025-04-04	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	52.1K	¥1,794	+1.1%	¥93M ($603K)
2025-04-04	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥1,794	+1.1%	¥450M ($2.9M)
2025-04-04	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,794	+1.1%	¥447M ($2.9M)
2025-03-06	SELL	unknown	テンパード・インベストメント・マネジメント・リミテッド(Tempered Investment Management LTD.) Tempered Investment Management LTD.	other	141.3K	¥1,810	-0.2%	¥64M ($413K)
2025-03-05	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,809	+0.3%	¥450M ($2.9M)
2025-03-05	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	52.1K	¥1,809	+0.3%	¥94M ($608K)
2025-03-05	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	188.7K	¥1,809	+0.3%	¥66M ($429K)
2025-03-05	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥1,809	+0.3%	¥453M ($2.9M)
2025-02-18	SELL	unknown	テンパード・インベストメント・マネジメント・リミテッド(Tempered Investment Management LTD.) Tempered Investment Management LTD.	other	176.7K	¥1,823	+0.5%	¥65M ($420K)
2024-11-22	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	52.1K	¥1,890	-4.0%	¥98M ($635K)
2024-11-22	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥1,890	-4.0%	¥474M ($3.1M)
2024-11-22	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,890	-4.0%	¥471M ($3.0M)
2024-11-22	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	151.9K	¥1,890	-4.0%	¥66M ($427K)
2024-09-10	SELL	unknown	テンパード・インベストメント・マネジメント・リミテッド(Tempered Investment Management LTD.) Tempered Investment Management LTD.	other	212.4K	¥1,862	+2.6%	¥64M ($413K)
2024-08-13	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	52.1K	¥1,921	-5.6%	¥100M ($646K)
2024-08-13	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	116.9K	¥1,921	-5.6%	¥66M ($426K)
2024-08-13	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥1,921	-5.6%	¥481M ($3.1M)
2024-08-13	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,921	-5.6%	¥478M ($3.1M)
2024-03-05	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥1,892	-4.1%	¥474M ($3.1M)
2024-03-05	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	52.1K	¥1,892	-4.1%	¥99M ($636K)
2024-03-05	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	82.6K	¥1,892	-4.1%	¥66M ($424K)
2024-03-05	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,892	-4.1%	¥471M ($3.0M)
2024-01-12	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,810	+0.2%	¥451M ($2.9M)
2024-01-12	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	52.1K	¥1,810	+0.2%	¥94M ($608K)
2024-01-12	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	48.0K	¥1,810	+0.2%	¥87M ($561K)
2024-01-12	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	250.6K	¥1,810	+0.2%	¥9M ($59K)
2023-12-11	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,725	+5.2%	¥430M ($2.8M)
2023-12-11	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	52.1K	¥1,725	+5.2%	¥90M ($580K)
2023-12-11	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	245.5K	¥1,725	+5.2%	¥59M ($382K)
2023-08-18	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	52.1K	¥1,809	+0.3%	¥94M ($608K)
2023-08-18	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	211.2K	¥1,809	+0.3%	¥61M ($393K)
2023-08-18	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	249.0K	¥1,809	+0.3%	¥450M ($2.9M)

Showing the 50 most recent of 68 filings.

Frequently asked questions

Who has been buying Honyaku Center Inc. stock?: 6 distinct investors have filed 21 disclosed large-shareholding filings in Honyaku Center Inc. (2483), 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 Honyaku Center Inc. have?: Honyaku Center Inc. has 21 buy-side and 5 sell-side disclosures on record, covering ¥947M ($6.1M) in total reported value, spanning 2021-03-31 to 2025-09-26.
Where does StockDrifts get Honyaku Center 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 Honyaku Center Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.