Who has been buying IRRC Corporation stock?

7 distinct investors have filed 7 disclosed large-shareholding filings in IRRC Corporation (7325), most recently on 2026-04-03. 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 IRRC Corporation have?

IRRC Corporation has 7 buy-side and 10 sell-side disclosures on record, covering ¥1.9B ($12.1M) in total reported value, spanning 2021-04-13 to 2026-04-03.

Where does StockDrifts get IRRC Corporation 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.

IRRC Corporation 7325

Company

株式会社アイリックコーポレーションIRRC Corporation

Investors

Buys

Total Value

¥1.9B ($12.1M)

Avg Return

+4.24%

Last Filing

2026-04-03

IRRC Corporation (7325) has 7 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥1.9B ($12.1M) in reported transaction value. The earliest filing StockDrifts holds for IRRC Corporation is dated 2021-04-13; the most recent is 2026-04-03. 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 +4.24%, 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
2026-06-16	BUY	unknown	株式会社トラッドジャパン	strategic	350.0K	¥685	+0.4%	¥240M ($1.5M)
2026-06-16	BUY	Market Buy	勝本竜二	activist	1.2M	¥685	+0.4%	¥596K ($4K)
2026-06-16	BUY	Market Buy	株式会社トラッドジャパン	strategic	430.0K	¥685	+0.4%	¥55M ($354K)
2026-06-16	SELL	unknown	勝本竜二	strategic	1.2M	¥685	-0.4%	¥51M ($331K)
2026-04-03	BUY	negotiated	株式会社第一ライフグループ Daiichi Life Group, Inc.	strategic	566.8K	¥872	+0.7%	¥494M ($3.2M)
2026-04-03	BUY	negotiated	株式会社第一ライフグループ Daiichi Life Group, Inc.	strategic	566.8K	¥872	+0.7%	¥494M ($3.2M)
2025-02-14	SELL	unknown	ネオファースト生命保険株式会社 The Neo First Life Insurance Company,Limited	other	0	¥715	-22.9%	¥413M ($2.7M)
2025-02-13	BUY	negotiated	第一生命ホールディングス株式会社 Dai-ichi Life Holdings, Inc.	strategic	566.8K	¥695	+26.5%	¥394M ($2.5M)
2025-02-10	BUY	unknown	ネオファースト生命保険株式会社 The Neo First Life Insurance Company,Limited	other	0	¥686	+28.1%	¥397M ($2.6M)
2025-02-10	BUY	unknown	ネオファースト生命保険株式会社 The Neo First Life Insurance Company,Limited	other	0	¥686	+28.1%	¥397M ($2.6M)
2025-02-10	SELL	unknown	ネオファースト生命保険株式会社 The Neo First Life Insurance Company,Limited	other	0	¥686	-28.1%	¥397M ($2.6M)
2024-08-09	BUY	unknown	株式会社トラッドジャパン Trad Japan Co., Ltd.	strategic	350.0K	¥632	+39.1%	¥221M ($1.4M)
2024-08-09	BUY	unknown	勝本竜二 Ryuji Katsumoto	activist	1.2M	¥632	+39.1%	¥3M ($21K)
2024-08-09	BUY	Market Buy	勝本竜二 Ryuji Katsumoto	activist	1.2M	¥632	+39.1%	¥3M ($21K)
2024-04-22	BUY	Market Buy	FWD生命保険株式会社 FWD Life Insurance Company, Limited	strategic	220.0K	¥720	+22.1%	¥158M ($1.0M)
2024-04-22	BUY	Market Buy	ニホン・アイエフエイ・パートナーズ・リミテッド Nihon IFA Partners Ltd	passive	2.4M	¥720	+22.1%	¥1.7B ($11.3M)
2023-10-27	SELL	unknown	勝本竜二 Ryuji Katsumoto	activist	1.2M	¥702	-25.2%	¥245M ($1.6M)
2023-10-27	BUY	unknown	株式会社トラッドジャパン Trad Japan Co., Ltd.	strategic	350.0K	¥702	+25.2%	¥246M ($1.6M)
2023-10-27	SELL	unknown	勝本竜二 Ryuji Katsumoto	activist	1.2M	¥702	-25.2%	¥245M ($1.6M)
2023-10-27	SELL	unknown	勝本竜二 Ryuji Katsumoto	activist	1.7M	¥702	-25.2%	¥2M ($16K)
2022-11-30	BUY	unknown	勝本竜二 Ryuji Katsumoto	activist	1.6M	¥716	+22.8%	¥1.1B ($7.3M)
2022-11-30	SELL	unknown	勝本竜二 Ryuji Katsumoto	activist	1.2M	¥716	-22.8%	¥250M ($1.6M)
2022-10-13	BUY	unknown	勝本竜二 Ryuji Katsumoto	activist	1.6M	¥709	+24.0%	¥1.1B ($7.2M)
2022-10-13	BUY	unknown	勝本竜二 Ryuji Katsumoto	activist	1.6M	¥709	+24.0%	¥64M ($410K)
2022-08-30	BUY	unknown	勝本竜二 Ryuji Katsumoto	activist	1.7M	¥778	+13.0%	¥677K ($4K)
2022-08-30	SELL	unknown	勝本竜二 Ryuji Katsumoto	activist	1.6M	¥778	-13.0%	¥70M ($450K)
2022-08-15	BUY	Market Buy	勝本竜二 Ryuji Katsumoto	activist	1.7M	¥784	+12.1%	¥683K ($4K)
2022-08-15	BUY	unknown	勝本竜二 Ryuji Katsumoto	activist	1.7M	¥784	+12.1%	¥1.3B ($8.5M)
2022-06-30	BUY	unknown	勝本竜二 Ryuji Katsumoto	activist	1.7M	¥832	+5.7%	¥1.4B ($9.0M)
2022-06-30	BUY	unknown	勝本竜二 Ryuji Katsumoto	activist	1.7M	¥832	+5.7%	¥3M ($18K)
2022-06-07	SELL	unknown	勝本竜二 Ryuji Katsumoto	activist	1.7M	¥884	+0.6%	¥3M ($20K)
2021-05-25	BUY	Market Buy	勝本竜二 Ryuji Katsumoto	activist	1.7M	¥1,209	-27.3%	¥3M ($20K)
2021-05-25	BUY	unknown	勝本竜二 Ryuji Katsumoto	activist	1.7M	¥1,209	-27.3%	¥3M ($20K)
2021-05-10	BUY	unknown	ネオファースト生命保険株式会社 The Neo First Life Insurance Company, Limited	other	566.8K	¥1,226	-28.3%	¥695M ($4.5M)
2021-05-10	SELL	Market Buy	ファラロン・キャピタル・マネジメント・エルエルシー (Farallon Capital Management, L.L.C.) Farallon Capital Management, L.L.C.	passive	99.0K	¥1,226	+28.3%	¥621M ($4.0M)
2021-04-16	BUY	Market Buy	ファラロン・キャピタル・マネジメント・エルエルシー (Farallon Capital Management, L.L.C.) Farallon Capital Management, L.L.C.	passive	605.8K	¥1,283	-31.5%	¥777M ($5.0M)
2021-04-13	BUY	Market Buy	FWD富士生命保険株式会社 FWD Fuji Life Insurance Co., Ltd.	strategic	220.0K	¥1,146	-23.3%	¥252M ($1.6M)
2021-04-13	SELL	Market Buy	ニホン・アイエフエイ・パートナーズ・リミテッド Nihon IFA Partners Ltd	passive	2.4M	¥1,146	+23.3%	¥208M ($1.3M)

Frequently asked questions

Who has been buying IRRC Corporation stock?: 7 distinct investors have filed 7 disclosed large-shareholding filings in IRRC Corporation (7325), most recently on 2026-04-03. 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 IRRC Corporation have?: IRRC Corporation has 7 buy-side and 10 sell-side disclosures on record, covering ¥1.9B ($12.1M) in total reported value, spanning 2021-04-13 to 2026-04-03.
Where does StockDrifts get IRRC Corporation 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 IRRC Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.