Who has been buying IKK Holdings Inc . stock?

3 distinct investors have filed 0 disclosed large-shareholding filings in IKK Holdings Inc . (2198), most recently on 2025-03-05. 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 IKK Holdings Inc . have?

IKK Holdings Inc . has 0 buy-side and 3 sell-side disclosures on record, spanning 2023-12-15 to 2025-03-05.

Where does StockDrifts get IKK Holdings 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.

IKK Holdings Inc . 2198

Company

アイ・ケイ・ケイホールディングス株式会社IKK Holdings Inc .

Investors

Buys

Total Value

—

Avg Return

—

Last Filing

2025-03-05

IKK Holdings Inc . (2198) has 0 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 3 distinct investors. The earliest filing StockDrifts holds for IKK Holdings Inc . is dated 2023-12-15; the most recent is 2025-03-05. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan).

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-06-22	BUY	unknown	株式会社エム・ケイ・パートナーズ	activist	10.0M	¥665	+14.6%	¥6.6B ($42.8M)
2026-06-22	SELL	negotiated	金子和斗志	activist	1.7M	¥665	-14.6%	¥932M ($6.0M)
2025-03-05	BUY	negotiated	株式会社エム・ケイ・パートナーズ MK Partners Co., Ltd.	activist	10.0M	¥843	-3.3%	¥8.4B ($54.3M)
2025-03-05	BUY	negotiated	金子晴美 Harumi Kaneko	activist	491.2K	¥843	-3.3%	¥414M ($2.7M)
2025-03-05	BUY	negotiated	金子和斗志 KANEKO KATSUSHI	activist	3.1M	¥843	-3.3%	¥2.6B ($16.9M)
2024-05-08	BUY	negotiated	株式会社エム・ケイ・パートナーズ MK Partners Co., Ltd.	activist	10.0M	¥764	+6.7%	¥7.6B ($49.2M)
2024-05-08	BUY	negotiated	金子晴美 Harumi Kaneko	activist	491.2K	¥764	+6.7%	¥375M ($2.4M)
2024-05-08	BUY	negotiated	金子和斗志 KANEKO KATSUSHI	activist	3.1M	¥764	+6.7%	¥2.4B ($15.3M)
2023-12-25	BUY	negotiated	株式会社エム・ケイ・パートナーズ MK Partners Co., Ltd.	activist	10.0M	¥647	+26.0%	¥6.5B ($41.7M)
2023-12-25	BUY	negotiated	金子晴美 Harumi Kaneko	activist	491.2K	¥647	+26.0%	¥318M ($2.1M)
2023-12-25	SELL	negotiated	金子和斗志 KANEKO KATSUSHI	activist	3.1M	¥647	-26.0%	¥965M ($6.2M)
2023-12-21	BUY	negotiated	株式会社エム・ケイ・パートナーズ MK Partners Co., Ltd.	activist	10.0M	¥638	+27.7%	¥6.4B ($41.1M)
2023-12-21	SELL	negotiated	金子晴美 Harumi Kaneko	activist	491.2K	¥638	-27.7%	¥250M ($1.6M)
2023-12-21	SELL	negotiated	金子和斗志 KANEKO KATSUSHI	activist	4.6M	¥638	-27.7%	¥96M ($617K)
2023-12-15	BUY	negotiated	株式会社エム・ケイ・パートナーズ MK Partners Co., Ltd.	activist	10.0M	¥638	+27.7%	¥6.4B ($41.1M)
2023-12-15	BUY	negotiated	金子晴美 Harumi Kaneko	activist	884.0K	¥638	+27.7%	¥564M ($3.6M)
2023-12-15	BUY	negotiated	金子和斗志 KANEKO KATSUSHI	activist	4.8M	¥638	+27.7%	¥3.0B ($19.6M)

Frequently asked questions

Who has been buying IKK Holdings Inc . stock?: 3 distinct investors have filed 0 disclosed large-shareholding filings in IKK Holdings Inc . (2198), most recently on 2025-03-05. 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 IKK Holdings Inc . have?: IKK Holdings Inc . has 0 buy-side and 3 sell-side disclosures on record, spanning 2023-12-15 to 2025-03-05.
Where does StockDrifts get IKK Holdings 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 IKK Holdings Inc .. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.