Who has been buying monoAI technology Co.,Ltd. stock?

7 distinct investors have filed 9 disclosed large-shareholding filings in monoAI technology Co.,Ltd. (5240), most recently on 2025-08-07. 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 monoAI technology Co.,Ltd. have?

monoAI technology Co.,Ltd. has 9 buy-side and 35 sell-side disclosures on record, covering ¥5.2B ($33.3M) in total reported value, spanning 2022-12-23 to 2025-08-07.

Where does StockDrifts get monoAI technology Co.,Ltd. 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.

monoAI technology Co.,Ltd. 5240

Company

monoAI technology株式会社monoAI technology Co.,Ltd.

Investors

Buys

Total Value

¥5.2B ($33.3M)

Avg Return

-79.35%

Last Filing

2025-08-07

monoAI technology Co.,Ltd. (5240) has 9 disclosed large-shareholding filings and 35 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥5.2B ($33.3M) in reported transaction value. The earliest filing StockDrifts holds for monoAI technology Co.,Ltd. is dated 2022-12-23; the most recent is 2025-08-07. 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 -79.35%, 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
2026-07-21	BUY	unknown	本城嘉太郎	activist	2.0M	¥163	+26.4%	¥329M ($2.1M)
2026-07-21	BUY	unknown	株式会社ロータス	activist	1.2M	¥163	+26.4%	¥200M ($1.3M)
2026-05-22	BUY	unknown	株式会社ロータス	activist	1.2M	¥133	-8.3%	¥164M ($1.1M)
2026-05-22	BUY	unknown	株式会社ロータス	activist	1.2M	¥133	-8.3%	¥164M ($1.1M)
2026-05-22	SELL	unknown	本城嘉太郎	activist	2.0M	¥133	+8.3%	¥25M ($163K)
2026-05-22	BUY	unknown	本城嘉太郎	activist	2.0M	¥133	-8.3%	¥268M ($1.7M)
2025-08-07	BUY	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.2M	¥320	-36.6%	¥706M ($4.6M)
2025-08-07	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.2M	¥320	+36.6%	¥28M ($182K)
2025-08-07	BUY	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.2M	¥320	-36.6%	¥394M ($2.5M)
2025-08-07	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.2M	¥320	+36.6%	¥7M ($48K)
2025-08-07	BUY	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.2M	¥320	-36.6%	¥394M ($2.5M)
2025-08-07	BUY	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.2M	¥320	-36.6%	¥706M ($4.6M)
2024-07-05	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥600	+66.2%	¥129M ($833K)
2024-07-05	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥600	+66.2%	¥129M ($833K)
2024-07-05	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥600	+66.2%	¥129M ($833K)
2024-07-05	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥600	+66.2%	¥235M ($1.5M)
2024-07-05	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥600	+66.2%	¥235M ($1.5M)
2024-07-05	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥600	+66.2%	¥235M ($1.5M)
2024-06-28	BUY	unknown	大日本印刷株式会社 Dai Nippon Printing Co.,Ltd.	strategic	1.8M	¥606	-66.5%	¥1.1B ($7.0M)
2024-06-25	BUY	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥622	-67.4%	¥778M ($5.0M)
2024-06-25	BUY	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥622	-67.4%	¥1.4B ($9.2M)
2024-06-24	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥609	+66.7%	¥3M ($16K)
2024-06-24	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥609	+66.7%	¥6M ($37K)
2024-06-24	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥609	+66.7%	¥10M ($61K)
2024-06-24	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥609	+66.7%	¥5M ($33K)
2024-05-13	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥607	+66.6%	¥3M ($20K)
2024-05-13	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥607	+66.6%	¥3M ($20K)
2024-05-13	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥607	+66.6%	¥4M ($28K)
2024-05-13	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥607	+66.6%	¥4M ($28K)
2024-03-22	SELL	unknown	株式会社ベリサーブ VeriServe Corporation	other	510.0K	¥623	+67.4%	¥100M ($645K)
2024-03-19	BUY	unknown	株式会社ベリサーブ VeriServe Corporation	other	670.0K	¥599	-66.1%	¥80M ($516K)
2024-03-19	SELL	unknown	株式会社ベリサーブ VeriServe Corporation	other	670.0K	¥599	+66.1%	¥80M ($516K)
2024-01-29	BUY	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥448	-54.7%	¥560M ($3.6M)
2024-01-29	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥448	+54.7%	¥464K ($3K)
2023-08-30	BUY	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥774	-73.8%	¥968M ($6.2M)
2023-08-30	BUY	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥774	-73.8%	¥968M ($6.2M)
2023-08-30	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥774	+73.8%	¥801K ($5K)
2023-08-30	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥774	+73.8%	¥801K ($5K)
2023-06-29	BUY	Market Buy	ジーエムシーエムベンチャーズプライベートリミテッド(GMCM VENTURES PTE.LTD.) GMCM VENTURES PTE. LTD.	passive	511.5K	¥1,198	-83.1%	¥197M ($1.3M)
2023-06-29	SELL	Market Buy	ジーエムシーエムベンチャーズプライベートリミテッド(GMCM VENTURES PTE.LTD.) GMCM VENTURES PTE. LTD.	passive	403.9K	¥1,198	+83.1%	¥129M ($834K)
2023-06-29	BUY	Market Buy	ジーエムシーエムベンチャーズプライベートリミテッド(GMCM VENTURES PTE.LTD.) GMCM VENTURES PTE. LTD.	passive	511.5K	¥1,198	-83.1%	¥197M ($1.3M)
2023-06-26	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥1,198	+83.1%	¥66M ($424K)
2023-06-26	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥1,198	+83.1%	¥66M ($424K)
2023-06-26	SELL	unknown	株式会社ロータス Lotus Co., Ltd.	activist	1.3M	¥1,198	+83.1%	¥63M ($406K)
2023-06-26	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥1,198	+83.1%	¥113M ($729K)
2023-06-26	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥1,198	+83.1%	¥118M ($760K)
2023-06-26	SELL	unknown	本城嘉太郎 Honjyo, Yoshitaro	activist	2.3M	¥1,198	+83.1%	¥118M ($760K)
2023-03-07	BUY	Market Buy	株式会社イグニス IGNIS LTD.	strategic	160.0K	¥2,187	-90.7%	¥350M ($2.3M)
2023-03-07	SELL	Market Buy	銭コン Qian Kun	passive	298.8K	¥2,187	+90.7%	¥245M ($1.6M)
2023-02-02	BUY	Market Buy	銭コン Qian Kun	passive	673.3K	¥1,418	-85.7%	¥955M ($6.2M)

Showing the 50 most recent of 69 filings.

Frequently asked questions

Who has been buying monoAI technology Co.,Ltd. stock?: 7 distinct investors have filed 9 disclosed large-shareholding filings in monoAI technology Co.,Ltd. (5240), most recently on 2025-08-07. 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 monoAI technology Co.,Ltd. have?: monoAI technology Co.,Ltd. has 9 buy-side and 35 sell-side disclosures on record, covering ¥5.2B ($33.3M) in total reported value, spanning 2022-12-23 to 2025-08-07.
Where does StockDrifts get monoAI technology Co.,Ltd. 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 monoAI technology Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.