Who has been buying LEC, Inc. stock?

7 distinct investors have filed 6 disclosed large-shareholding filings in LEC, Inc. (7874), most recently on 2026-03-18. 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 LEC, Inc. have?

LEC, Inc. has 6 buy-side and 6 sell-side disclosures on record, covering ¥1.7B ($11.0M) in total reported value, spanning 2021-03-26 to 2026-03-18.

Where does StockDrifts get LEC, 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.

LEC, Inc. 7874

Company

レック株式会社LEC, Inc.

Investors

Buys

Total Value

¥1.7B ($11.0M)

Avg Return

-2.86%

Last Filing

2026-03-18

LEC, Inc. (7874) has 6 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥1.7B ($11.0M) in reported transaction value. The earliest filing StockDrifts holds for LEC, Inc. is dated 2021-03-26; the most recent is 2026-03-18. 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 -2.86%, 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
2026-06-19	SELL	unknown	株式会社SBI証券	other	154.6K	¥949	-0.6%	¥105M ($678K)
2026-06-19	SELL	Market Buy	SBIアセットマネジメント株式会社	passive	1.1M	¥949	-0.6%	¥511M ($3.3M)
2026-03-18	BUY	unknown	株式会社SBI証券	other	263.8K	¥1,144	-1.3%	¥298M ($1.9M)
2026-03-18	BUY	unknown	SBIアセットマネジメント株式会社	passive	1.6M	¥1,144	-1.3%	¥1.9B ($12.0M)
2024-09-06	SELL	unknown	ダルトン・インベストメンツ・インク(Dalton Investments, Inc.) Dalton Investments, Inc.	unknown	0	¥1,228	+8.1%	¥4.5B ($29.1M)
2024-07-03	BUY	unknown	永守貴樹 NAGAMORI TAKAKI	strategic	2.0M	¥1,189	-5.0%	¥2.4B ($15.3M)
2024-07-03	BUY	unknown	永守貴樹 NAGAMORI TAKAKI	strategic	2.0M	¥1,189	-5.0%	¥2.4B ($15.3M)
2024-06-21	BUY	Market Buy	株式会社エスエヌ興産 SN KOSAN CO.,LTD.	strategic	3.2M	¥1,365	-17.3%	¥547M ($3.5M)
2024-05-08	BUY	Market Buy	株式会社エスエヌ興産 SN KOSAN CO.,LTD.	strategic	2.8M	¥1,100	+2.6%	¥428M ($2.8M)
2024-05-07	BUY	Market Buy	ダルトン・インベストメンツ・インク(Dalton Investments, Inc.) Dalton Investments, Inc.	activist	3.7M	¥1,100	+2.6%	¥428M ($2.8M)
2024-03-26	BUY	Market Buy	株式会社エスエヌ興産 SN KOSAN CO.,LTD.	strategic	2.4M	¥1,158	-2.5%	¥460M ($3.0M)
2024-02-08	BUY	negotiated	ダルトン・インベストメンツ・インク(Dalton Investments, Inc.) Dalton Investments, Inc.	activist	3.3M	¥1,050	+7.5%	¥3.4B ($22.2M)
2024-01-11	BUY	negotiated	ダルトン・インベストメンツ・インク(Dalton Investments Dalton Investments, Inc.	activist	3.3M	¥1,046	+7.9%	¥3.4B ($22.1M)
2024-01-11	SELL	negotiated	ダルトン・インベストメンツ・エルエルシー Dalton Investments LLC	activist	0	¥1,046	-7.9%	¥3.1B ($19.9M)
2022-07-01	SELL	negotiated	ダルトン・インベストメンツ・エルエルシー(Dalton Investments LLC) Dalton Investments LLC	activist	3.0M	¥635	-77.8%	¥254M ($1.6M)
2021-12-27	SELL	negotiated	ダルトン・インベストメンツ・エルエルシー(Dalton Investments LLC) Dalton Investments LLC	activist	3.4M	¥837	-34.9%	¥323M ($2.1M)
2021-11-25	SELL	negotiated	ダルトン・インベストメンツ・エルエルシー(Dalton Investments LLC) Dalton Investments LLC	activist	3.7M	¥858	-31.6%	¥337M ($2.2M)
2021-03-26	SELL	negotiated	ダルトン・インベストメンツ・エルエルシー(Dalton Investments LLC) Dalton Investments LLC	activist	4.1M	¥1,334	+15.4%	¥550M ($3.5M)

Frequently asked questions

Who has been buying LEC, Inc. stock?: 7 distinct investors have filed 6 disclosed large-shareholding filings in LEC, Inc. (7874), most recently on 2026-03-18. 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 LEC, Inc. have?: LEC, Inc. has 6 buy-side and 6 sell-side disclosures on record, covering ¥1.7B ($11.0M) in total reported value, spanning 2021-03-26 to 2026-03-18.
Where does StockDrifts get LEC, 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 LEC, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.