Who has been buying Tabio Corporation stock?

8 distinct investors have filed 8 disclosed large-shareholding filings in Tabio Corporation (2668), most recently on 2026-03-30. 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 Tabio Corporation have?

Tabio Corporation has 8 buy-side and 9 sell-side disclosures on record, covering ¥2.1B ($13.7M) in total reported value, spanning 2022-05-13 to 2026-03-30.

Where does StockDrifts get Tabio 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.

Tabio Corporation 2668

Company

タビオ株式会社Tabio Corporation

Investors

Buys

Total Value

¥2.1B ($13.7M)

Avg Return

+3.54%

Last Filing

2026-03-30

Tabio Corporation (2668) has 8 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥2.1B ($13.7M) in reported transaction value. The earliest filing StockDrifts holds for Tabio Corporation is dated 2022-05-13; the most recent is 2026-03-30. 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 +3.54%, 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
2026-03-30	BUY	unknown	真砂純子	other	66.7K	¥1,252	-0.5%	¥83M ($538K)
2026-03-30	BUY	unknown	越智ホールディングス株式会社	other	626.0K	¥1,252	-0.5%	¥784M ($5.1M)
2026-01-21	BUY	negotiated	越智勝寛	activist	18.2K	¥1,300	-4.3%	¥23M ($146K)
2026-01-21	SELL	negotiated	エム・エス・エヌ株式会社	activist	995.9K	¥1,300	+4.3%	¥1.2B ($8.0M)
2026-01-21	SELL	negotiated	越智　勝寛 Ochi Katsuhiro	activist	1.0M	¥1,300	+4.3%	¥88M ($566K)
2025-01-27	BUY	unknown	真砂純子 Junko Masago	other	66.7K	¥1,269	-2.0%	¥85M ($546K)
2025-01-27	BUY	unknown	真砂純子 Junko Masago	other	66.7K	¥1,269	-2.0%	¥85M ($546K)
2025-01-27	BUY	negotiated	越智恵子 Keiko Ochi	other	66.7K	¥1,269	-2.0%	¥85M ($546K)
2025-01-27	BUY	negotiated	越智康彦 Yasuhiko Ochi	other	75.7K	¥1,269	-2.0%	¥96M ($620K)
2025-01-27	BUY	negotiated	越智恵子 Keiko Ochi	other	66.7K	¥1,269	-2.0%	¥85M ($546K)
2025-01-27	BUY	negotiated	越智康彦 Yasuhiko Ochi	other	75.7K	¥1,269	-2.0%	¥96M ($620K)
2025-01-27	SELL	negotiated	有限会社越智産業 Ochisangyo	activist	1.9M	¥1,269	+2.0%	¥795M ($5.1M)
2025-01-27	SELL	negotiated	有限会社越智産業 Ochisangyo	activist	1.9M	¥1,269	+2.0%	¥795M ($5.1M)
2025-01-27	SELL	negotiated	有限会社越智産業 Ochisangyo	activist	1.9M	¥1,269	+2.0%	¥795M ($5.1M)
2025-01-27	BUY	unknown	越智ホールディングス株式会社 OCHIHLD	other	626.0K	¥1,269	-2.0%	¥794M ($5.1M)
2025-01-27	BUY	unknown	越智ホールディングス株式会社 OCHIHLD	other	626.0K	¥1,269	-2.0%	¥794M ($5.1M)
2025-01-27	BUY	negotiated	越智恵子 Keiko Ochi	other	66.7K	¥1,269	-2.0%	¥85M ($546K)
2025-01-27	BUY	negotiated	越智康彦 Yasuhiko Ochi	other	75.7K	¥1,269	-2.0%	¥96M ($620K)
2023-11-08	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,138	+9.3%	¥1.2B ($7.9M)
2023-11-08	BUY	negotiated	越智勝寛 Ochi Katsuhiro	activist	5.6K	¥1,138	+9.3%	¥503M ($3.2M)
2023-04-25	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,081	+15.1%	¥1.2B ($7.5M)
2023-04-25	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,081	+15.1%	¥1.2B ($7.5M)
2023-04-25	SELL	negotiated	越智勝寛 Ochi Katsuhiro	activist	100.0K	¥1,081	-15.1%	¥108M ($699K)
2023-04-25	SELL	negotiated	越智勝寛 Ochi Katsuhiro	activist	100.0K	¥1,081	-15.1%	¥108M ($699K)
2023-03-22	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,076	+15.6%	¥1.2B ($7.5M)
2023-03-22	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,076	+15.6%	¥1.2B ($7.5M)
2023-03-22	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,076	+15.6%	¥1.2B ($7.5M)
2023-03-22	SELL	negotiated	越智勝寛 Ochi Katsuhiro	activist	102.8K	¥1,076	-15.6%	¥105M ($676K)
2023-03-22	BUY	negotiated	越智勝寛 Ochi Katsuhiro	activist	102.8K	¥1,076	+15.6%	¥3M ($19K)
2023-03-22	BUY	negotiated	越智勝寛 Ochi Katsuhiro	activist	102.8K	¥1,076	+15.6%	¥3M ($19K)
2022-10-07	SELL	negotiated	越智直正(相続人代表越智康彦) Naomasa Ochi (Heir Representative Yasuhiko Ochi)	activist	0	¥1,075	-15.7%	¥215M ($1.4M)
2022-10-07	BUY	negotiated	有限会社越智産業 Ochisangyo	activist	2.5M	¥1,075	+15.7%	¥2.7B ($17.2M)
2022-05-13	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,040	+19.6%	¥1.1B ($7.2M)
2022-05-13	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,040	+19.6%	¥1.1B ($7.2M)
2022-05-13	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,040	+19.6%	¥1.1B ($7.2M)
2022-05-13	BUY	negotiated	エム・エス・エヌ株式会社 MSSN Co., Ltd.	activist	1.1M	¥1,040	+19.6%	¥1.1B ($7.2M)
2022-05-13	BUY	negotiated	越智勝寛 Ochi Katsuhiro	activist	200.0K	¥1,040	+19.6%	¥208M ($1.3M)
2022-05-13	BUY	negotiated	越智勝寛 Ochi Katsuhiro	activist	200.0K	¥1,040	+19.6%	¥208M ($1.3M)
2022-05-13	BUY	negotiated	越智勝寛 Ochi Katsuhiro	activist	100.0K	¥1,040	+19.6%	¥104M ($671K)
2022-05-13	BUY	negotiated	越智勝寛 Ochi Katsuhiro	activist	100.0K	¥1,040	+19.6%	¥104M ($671K)

Frequently asked questions

Who has been buying Tabio Corporation stock?: 8 distinct investors have filed 8 disclosed large-shareholding filings in Tabio Corporation (2668), most recently on 2026-03-30. 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 Tabio Corporation have?: Tabio Corporation has 8 buy-side and 9 sell-side disclosures on record, covering ¥2.1B ($13.7M) in total reported value, spanning 2022-05-13 to 2026-03-30.
Where does StockDrifts get Tabio 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 Tabio Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.