Who has been buying Chiyoda Co., Ltd. stock?

4 distinct investors have filed 5 disclosed large-shareholding filings in Chiyoda Co., Ltd. (8185), most recently on 2025-12-18. 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 Chiyoda Co., Ltd. have?

Chiyoda Co., Ltd. has 5 buy-side and 1 sell-side disclosures on record, covering ¥667M ($4.3M) in total reported value, spanning 2022-01-11 to 2025-12-18.

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.

Chiyoda Co., Ltd. 8185

Company

株式会社チヨダChiyoda Co., Ltd.

Investors

Buys

Total Value

¥667M ($4.3M)

Avg Return

+14.24%

Last Filing

2025-12-18

Chiyoda Co., Ltd. (8185) has 5 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥667M ($4.3M) in reported transaction value. The earliest filing StockDrifts holds for Chiyoda Co., Ltd. is dated 2022-01-11; the most recent is 2025-12-18. Across these filings the average return since disclosure is +14.24%, 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
2026-05-19	BUY	Market Buy	いちごアセットマネジメント・インターナショナル・ピーティーイー・リミテッド Ichigo Asset Management International, Pte. Ltd.	passive	6.6M	¥944	+5.0%	¥6.2B ($40.1M)
2026-05-19	SELL	Market Buy	いちごトラスト・ピーティーイー・リミテッド Ichigo Trust Pte. Ltd.	passive	0	¥944	-5.0%	¥6.2B ($40.1M)
2026-05-19	BUY	Market Buy	いちごアセットマネジメント株式会社	engagement	100	¥944	-	-
2025-12-18	BUY	Market Buy	株式会社中央商事 CHUOSHOJI Co,. LTD.	passive	3.0M	¥1,060	-6.5%	¥249M ($1.6M)
2023-07-27	BUY	Market Buy	株式会社中央商事 CHUOSHOJI CO.,LTD.	passive	3.0M	¥1,007	-1.6%	¥509M ($3.3M)
2022-01-21	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	860.5K	¥750	-	-
2022-01-21	BUY	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	527.8K	¥750	-	-
2022-01-21	SELL	unknown	株式会社SMBC信託銀行 SMBC Trust Bank Co., Ltd.	other	0	¥750	-32.1%	¥449M ($2.9M)
2022-01-11	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	860.5K	¥791	+25.3%	¥681M ($4.4M)
2022-01-11	BUY	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	528.0K	¥791	+25.3%	¥418M ($2.7M)
2022-01-11	BUY	unknown	株式会社SMBC信託銀行 SMBC Trust Bank Co., Ltd.	other	600.0K	¥791	+25.3%	¥475M ($3.1M)

Frequently asked questions

Who has been buying Chiyoda Co., Ltd. stock?: 4 distinct investors have filed 5 disclosed large-shareholding filings in Chiyoda Co., Ltd. (8185), most recently on 2025-12-18. 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 Chiyoda Co., Ltd. have?: Chiyoda Co., Ltd. has 5 buy-side and 1 sell-side disclosures on record, covering ¥667M ($4.3M) in total reported value, spanning 2022-01-11 to 2025-12-18.
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.