Who has been buying INEST, Inc. stock?

5 distinct investors have filed 16 disclosed large-shareholding filings in INEST, Inc. (7111), most recently on 2025-10-21. 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 INEST, Inc. have?

INEST, Inc. has 16 buy-side and 16 sell-side disclosures on record, covering ¥157.5B ($1.0B) in total reported value, spanning 2022-10-11 to 2025-10-21.

Where does StockDrifts get INEST, 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.

INEST, Inc. 7111

Company

INEST株式会社INEST, Inc.

Investors

Buys

Total Value

¥157.5B ($1.0B)

Avg Return

-58.40%

Last Filing

2025-10-21

INEST, Inc. (7111) has 16 disclosed large-shareholding filings and 16 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥157.5B ($1.0B) in reported transaction value. The earliest filing StockDrifts holds for INEST, Inc. is dated 2022-10-11; the most recent is 2025-10-21. 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 -58.40%, 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
2025-10-21	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	76.1K	¥632	-31.3%	¥48M ($310K)
2025-10-21	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	450.4K	¥632	-31.3%	¥285M ($1.8M)
2025-10-01	SELL	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	0	¥730	+40.5%	¥1.4B ($9.0M)
2025-10-01	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	6.8M	¥730	-40.5%	¥4.9B ($31.8M)
2025-07-18	SELL	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	1.9M	¥870	+50.1%	¥877M ($5.7M)
2025-07-18	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	6.8M	¥870	-50.1%	¥5.9B ($37.9M)
2025-07-04	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.9M	¥825	-47.4%	¥1.7B ($11.3M)
2025-07-04	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	6.8M	¥825	-47.4%	¥5.6B ($36.0M)
2024-11-28	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	6.6M	¥825	+47.4%	¥2.2B ($14.5M)
2024-11-28	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥825	-47.4%	¥34.1B ($220.2M)
2024-09-13	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	9.4M	¥840	+48.3%	¥957M ($6.2M)
2024-09-13	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥840	-48.3%	¥34.8B ($224.2M)
2024-07-22	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥990	-56.2%	¥41.0B ($264.3M)
2024-07-22	SELL	subscription	株式会社エフティグループ FTGroup Co., Ltd.	unknown	0	¥990	+56.2%	¥49.9B ($322.0M)
2024-07-22	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	10.5M	¥990	+56.2%	¥684M ($4.4M)
2024-06-19	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,110	-60.9%	¥45.9B ($296.3M)
2024-06-19	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,110	-60.9%	¥554M ($3.6M)
2024-06-19	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	11.3M	¥1,110	+60.9%	¥1.4B ($9.1M)
2024-06-14	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,140	-61.9%	¥47.2B ($304.3M)
2024-06-14	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,140	-61.9%	¥569M ($3.7M)
2024-06-14	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	12.6M	¥1,140	+61.9%	¥1.1B ($7.3M)
2024-06-07	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,155	-62.4%	¥47.8B ($308.3M)
2024-06-07	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,155	-62.4%	¥576M ($3.7M)
2024-06-07	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	13.6M	¥1,155	+62.4%	¥1.1B ($7.1M)
2024-05-31	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,185	-63.4%	¥49.0B ($316.4M)
2024-05-31	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,185	-63.4%	¥591M ($3.8M)
2024-05-31	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	14.6M	¥1,185	+63.4%	¥1.7B ($11.1M)
2024-04-11	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	16.1M	¥1,170	+62.9%	¥1.7B ($11.0M)
2024-04-11	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,170	-62.9%	¥48.4B ($312.3M)
2024-04-11	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,170	-62.9%	¥583M ($3.8M)
2024-03-07	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,005	-56.8%	¥41.6B ($268.3M)
2024-03-07	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,005	-56.8%	¥501M ($3.2M)
2024-03-07	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	17.6M	¥1,005	+56.8%	¥1.4B ($9.1M)
2024-03-06	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,035	-58.1%	¥516M ($3.3M)
2024-03-06	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,035	-58.1%	¥42.8B ($276.3M)
2024-03-06	BUY	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	19.0M	¥1,035	-58.1%	¥19.7B ($127.0M)
2024-02-28	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,110	-60.9%	¥554M ($3.6M)
2024-02-28	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	19.0M	¥1,110	+60.9%	¥1.2B ($7.7M)
2024-02-28	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,110	-60.9%	¥45.9B ($296.3M)
2024-02-26	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,095	-60.4%	¥45.3B ($292.3M)
2024-02-26	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,095	-60.4%	¥546M ($3.5M)
2024-02-26	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	20.1M	¥1,095	+60.4%	¥1.6B ($10.2M)
2024-02-08	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,200	-63.8%	¥49.7B ($320.4M)
2024-02-08	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,200	-63.8%	¥598M ($3.9M)
2024-02-08	SELL	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	21.6M	¥1,200	+63.8%	¥1.7B ($11.3M)
2024-02-07	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	6.8M	¥1,215	-64.3%	¥1.4B ($9.1M)
2024-02-07	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	795.8K	¥1,215	-64.3%	¥186M ($1.2M)
2024-02-07	BUY	subscription	株式会社プレミアムウォーターホールディングス Premium Water Holdings,Inc.	strategic	41.4M	¥1,215	-64.3%	¥8.6B ($55.7M)
2024-02-07	BUY	subscription	株式会社エフティグループ FTGroup Co., Ltd.	passive	498.7K	¥1,215	-64.3%	¥10.7B ($68.7M)
2024-02-07	BUY	subscription	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	23.1M	¥1,215	-64.3%	¥4.6B ($29.5M)

Showing the 50 most recent of 68 filings.

Frequently asked questions

Who has been buying INEST, Inc. stock?: 5 distinct investors have filed 16 disclosed large-shareholding filings in INEST, Inc. (7111), most recently on 2025-10-21. 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 INEST, Inc. have?: INEST, Inc. has 16 buy-side and 16 sell-side disclosures on record, covering ¥157.5B ($1.0B) in total reported value, spanning 2022-10-11 to 2025-10-21.
Where does StockDrifts get INEST, 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 INEST, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.