Who has been buying Toukei Computer Co., Ltd. stock?

5 distinct investors have filed 8 disclosed large-shareholding filings in Toukei Computer Co., Ltd. (4746), most recently on 2026-01-23. 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 Toukei Computer Co., Ltd. have?

Toukei Computer Co., Ltd. has 8 buy-side and 2 sell-side disclosures on record, covering ¥14.2B ($91.5M) in total reported value, spanning 2021-05-21 to 2026-01-23.

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.

Toukei Computer Co., Ltd. 4746

Company

株式会社東計電算Toukei Computer Co., Ltd.

Investors

Buys

Total Value

¥14.2B ($91.5M)

Avg Return

+21.96%

Last Filing

2026-01-23

Toukei Computer Co., Ltd. (4746) has 8 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥14.2B ($91.5M) in reported transaction value. The earliest filing StockDrifts holds for Toukei Computer Co., Ltd. is dated 2021-05-21; the most recent is 2026-01-23. Across these filings the average return since disclosure is +21.96%, 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
2026-07-16	BUY	Market Buy	光通信株式会社	passive	1.2M	¥4,800	+57.1%	¥583M ($3.8M)
2026-07-16	BUY	Market Buy	株式会社UH Partners 2	passive	64.9K	¥4,800	-	¥312M ($2.0M)
2026-07-16	BUY	Market Buy	株式会社UH7	passive	45.2K	¥4,800	-	-
2026-07-16	BUY	Market Buy	さくら損害保険株式会社	passive	40.1K	¥4,800	-	-
2026-05-18	SELL	negotiated	東京濾器株式会社 TOKYO ROKI CO., LTD	strategic	805.6K	¥4,070	-85.3%	¥2.4B ($15.8M)
2026-01-23	BUY	Market Buy	光通信株式会社	passive	1.1M	¥4,440	+69.8%	¥780M ($5.0M)
2026-01-23	BUY	Market Buy	さくら損害保険株式会社	passive	40.1K	¥4,440	+69.8%	¥50M ($321K)
2026-01-23	BUY	Market Buy	株式会社ザッパラス	passive	45.2K	¥4,440	-	-
2025-12-24	BUY	negotiated	東京濾器株式会社 TOKYO ROKI CO.,LTD.	strategic	1.4M	¥3,990	-	¥2.4B ($15.5M)
2025-12-23	SELL	negotiated	東京濾器株式会社 TOKYO ROKI CO.,LTD.	strategic	1.4M	¥3,970	-89.9%	¥2.4B ($15.3M)
2025-12-23	SELL	negotiated	東京濾器株式会社 TOKYO ROKI CO.,LTD.	strategic	1.4M	¥3,970	-89.9%	¥2.4B ($15.4M)
2025-09-26	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	28.0K	¥4,095	-	-
2025-09-26	BUY	Market Buy	株式会社ザッパラス Zappalas Co., Ltd.	passive	45.2K	¥4,095	-	-
2025-09-26	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	903.7K	¥4,095	+84.1%	¥168M ($1.1M)
2025-07-23	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	862.2K	¥3,875	+94.6%	¥3.3B ($21.6M)
2025-07-23	BUY	Market Buy	さくら損害保険株式会社 Sakura General Insurance Co., Ltd.	passive	28.0K	¥3,875	+94.6%	¥109M ($700K)
2025-07-23	BUY	Market Buy	株式会社ザッパラス Zappalas Co., Ltd.	passive	45.2K	¥3,875	+94.6%	¥175M ($1.1M)
2025-05-19	BUY	negotiated	東京濾器株式会社 TOKYO ROKI CO.,LTD.	strategic	2.0M	¥3,815	-	¥1.1B ($7.4M)
2025-05-16	BUY	negotiated	東京濾器株式会社 TOKYO ROKI CO.,LTD.	strategic	2.3M	¥3,800	+98.4%	-
2021-05-21	BUY	Market Buy	株式会社アップワード upward	activist	4.7M	¥2,305	+227.1%	¥216M ($1.4M)

Frequently asked questions

Who has been buying Toukei Computer Co., Ltd. stock?: 5 distinct investors have filed 8 disclosed large-shareholding filings in Toukei Computer Co., Ltd. (4746), most recently on 2026-01-23. 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 Toukei Computer Co., Ltd. have?: Toukei Computer Co., Ltd. has 8 buy-side and 2 sell-side disclosures on record, covering ¥14.2B ($91.5M) in total reported value, spanning 2021-05-21 to 2026-01-23.
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.