Who has been buying IDOM Inc. stock?

11 distinct investors have filed 14 disclosed large-shareholding filings in IDOM Inc. (7599), most recently on 2026-05-13. 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 IDOM Inc. have?

IDOM Inc. has 14 buy-side and 7 sell-side disclosures on record, covering ¥13.0B ($83.6M) in total reported value, spanning 2021-10-20 to 2026-05-13.

Where does StockDrifts get IDOM 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.

IDOM Inc. 7599

Company

株式会社IDOMIDOM Inc.

Investors

Buys

Total Value

¥13.0B ($83.6M)

Avg Return

+77.07%

Last Filing

2026-05-13

IDOM Inc. (7599) has 14 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥13.0B ($83.6M) in reported transaction value. The earliest filing StockDrifts holds for IDOM Inc. is dated 2021-10-20; the most recent is 2026-05-13. 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 +77.07%, 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
2026-05-13	BUY	unknown	株式会社フォワード	activist	28.0M	¥1,324	-1.1%	¥37.1B ($239.2M)
2026-05-13	BUY	unknown	羽鳥貴夫	activist	3.9M	¥1,324	-1.1%	¥5.1B ($33.1M)
2026-05-13	BUY	unknown	株式会社フォワードT	activist	3.0M	¥1,324	-1.1%	¥4.0B ($25.6M)
2024-04-05	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.1M	¥1,060	+33.6%	¥940M ($6.1M)
2024-04-05	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	1.4M	¥1,060	-33.6%	¥1.8B ($11.4M)
2024-04-05	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.0M	¥1,060	+33.6%	¥11M ($73K)
2024-03-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.0M	¥939	+50.8%	¥1.9B ($12.2M)
2024-03-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	230.5K	¥939	+50.8%	¥216M ($1.4M)
2024-03-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	3.1M	¥939	+50.8%	¥2.9B ($18.9M)
2023-09-27	SELL	Market Buy	株式会社ビッグモーター BIG MOTOR.CO.,LTD.	passive	4.4M	¥726	-95.0%	¥916M ($5.9M)
2022-10-18	SELL	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	5.0M	¥782	-81.1%	¥1.0B ($6.5M)
2022-08-30	SELL	unknown	羽鳥裕介 Yusuke Hatori	activist	5.9M	¥830	-70.6%	¥967M ($6.2M)
2022-08-30	BUY	unknown	株式会社フォワードY Forward Y Co., Ltd.	activist	3.0M	¥830	+70.6%	¥1.8B ($11.7M)
2022-08-30	SELL	Market Buy	羽鳥貴夫 Takao Hatori	activist	3.9M	¥830	-70.6%	¥967M ($6.2M)
2022-08-30	BUY	Market Buy	株式会社フォワードT ForwardT inc.	activist	3.0M	¥830	+70.6%	¥1.3B ($8.6M)
2022-07-20	BUY	Market Buy	羽鳥貴夫 Takao Hatori	activist	5.0M	¥748	+89.3%	¥3.8B ($24.3M)
2022-07-20	BUY	Market Buy	株式会社フォワードT ForwardT inc.	activist	1.4M	¥748	+89.3%	¥808M ($5.2M)
2022-06-23	BUY	Market Buy	株式会社フォワードY Forward Y Co., Ltd.	activist	811.9K	¥726	+95.0%	¥589M ($3.8M)
2022-06-23	BUY	Market Buy	羽鳥裕介 Yusuke Hatori	activist	7.0M	¥726	+95.0%	¥202M ($1.3M)
2022-05-20	BUY	unknown	羽鳥貴夫 Takao Hatori	activist	5.0M	¥660	+114.5%	¥3.3B ($21.5M)
2022-05-20	BUY	unknown	羽鳥貴夫 Takao Hatori	activist	5.0M	¥660	+114.5%	¥3.3B ($21.5M)
2022-05-20	BUY	unknown	株式会社フォワードT ForwardT inc.	activist	318.0K	¥660	+114.5%	¥210M ($1.4M)
2022-05-20	BUY	unknown	株式会社フォワードT ForwardT inc.	activist	318.0K	¥660	+114.5%	¥210M ($1.4M)
2022-05-06	SELL	unknown	羽鳥貴夫 Takao Hatori	activist	5.0M	¥673	-110.4%	¥1.4B ($8.7M)
2021-10-20	SELL	Market Buy	フランクリン・テンプルトン・インベストメンツ・コープ Franklin Templeton Investments Corp.	other	0	¥806	-75.7%	¥215M ($1.4M)
2021-10-20	BUY	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel Templeton Investment Counsel, LLC	passive	6.3M	¥806	+75.7%	¥5.0B ($32.5M)

Frequently asked questions

Who has been buying IDOM Inc. stock?: 11 distinct investors have filed 14 disclosed large-shareholding filings in IDOM Inc. (7599), most recently on 2026-05-13. 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 IDOM Inc. have?: IDOM Inc. has 14 buy-side and 7 sell-side disclosures on record, covering ¥13.0B ($83.6M) in total reported value, spanning 2021-10-20 to 2026-05-13.
Where does StockDrifts get IDOM 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 IDOM Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.