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

6 distinct investors have filed 6 disclosed large-shareholding filings in Seki Co., Ltd. (7857), most recently on 2023-08-22. 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 Seki Co., Ltd. have?

Seki Co., Ltd. has 6 buy-side and 3 sell-side disclosures on record, covering ¥2.2B ($14.2M) in total reported value, spanning 2022-12-19 to 2023-08-22.

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.

Seki Co., Ltd. 7857

Company

セキ株式会社Seki Co., Ltd.

Investors

Buys

Total Value

¥2.2B ($14.2M)

Avg Return

+2.61%

Last Filing

2023-08-22

Seki Co., Ltd. (7857) has 6 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥2.2B ($14.2M) in reported transaction value. The earliest filing StockDrifts holds for Seki Co., Ltd. is dated 2022-12-19; the most recent is 2023-08-22. Across these filings the average return since disclosure is +2.61%, 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
2023-08-22	BUY	unknown	公益財団法人関奉仕財団 SEKI VOLUNTEER FOUNDATION	other	268.6K	¥1,320	-2.3%	¥355M ($2.3M)
2023-07-03	SELL	unknown	關宏成(相続人代表關啓三) Hiroshige Seki	other	0	¥1,335	+3.4%	¥630M ($4.1M)
2023-07-03	BUY	unknown	關宏成(相続人代表關啓三) Hiroshige Seki	other	472.0K	¥1,335	-3.4%	¥622M ($4.0M)
2023-07-03	BUY	unknown	關啓三 Keizo Seki	activist	862.8K	¥1,335	-3.4%	¥1.1B ($7.3M)
2023-07-03	BUY	unknown	公益財団法人関奉仕財団 SEKI VOLUNTEER FOUNDATION	other	268.6K	¥1,335	-3.4%	¥359M ($2.3M)
2023-07-03	BUY	unknown	公益財団法人関奉仕財団 SEKI VOLUNTEER FOUNDATION	other	268.6K	¥1,335	-	¥359M ($2.3M)
2023-07-03	BUY	unknown	關啓三 Keizo Seki	activist	965.2K	¥1,335	-	¥1.3B ($8.3M)
2023-07-03	SELL	unknown	關千種子 Chitane Seki	other	0	¥1,335	+3.4%	¥78M ($505K)
2023-07-03	BUY	unknown	關淑子 Yoshiko Seki	strategic	61.9K	¥1,335	-	¥83M ($533K)
2023-07-03	SELL	unknown	關淑子 Yoshiko Seki	other	60.7K	¥1,335	+3.4%	¥1M ($8K)
2022-12-19	BUY	negotiated	株式会社伊予銀行 The Iyo Bank, Ltd.	strategic	208.0K	¥1,436	-10.2%	¥299M ($1.9M)
2022-12-19	BUY	negotiated	いよぎんリース株式会社 Iyogin Lease Co., Ltd.	strategic	57.0K	¥1,436	-10.2%	¥82M ($528K)

Frequently asked questions

Who has been buying Seki Co., Ltd. stock?: 6 distinct investors have filed 6 disclosed large-shareholding filings in Seki Co., Ltd. (7857), most recently on 2023-08-22. 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 Seki Co., Ltd. have?: Seki Co., Ltd. has 6 buy-side and 3 sell-side disclosures on record, covering ¥2.2B ($14.2M) in total reported value, spanning 2022-12-19 to 2023-08-22.
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.