Who has been buying Innovation Inc. stock?

6 distinct investors have filed 3 disclosed large-shareholding filings in Innovation Inc. (3970), most recently on 2026-03-16. 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 Innovation Inc. have?

Innovation Inc. has 3 buy-side and 15 sell-side disclosures on record, covering ¥1.5B ($9.9M) in total reported value, spanning 2021-11-16 to 2026-03-16.

Where does StockDrifts get Innovation 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.

Innovation Inc. 3970

Company

株式会社イノベーションInnovation Inc.

Investors

Buys

Total Value

¥1.5B ($9.9M)

Avg Return

-28.79%

Last Filing

2026-03-16

Innovation Inc. (3970) has 3 disclosed large-shareholding filings and 15 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥1.5B ($9.9M) in reported transaction value. The earliest filing StockDrifts holds for Innovation Inc. is dated 2021-11-16; the most recent is 2026-03-16. 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 -28.79%, 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
2026-03-16	SELL	unknown	株式会社日経ビーピー Nikkei BP Inc.	strategic	140.0K	¥931	+1.7%	¥81M ($521K)
2026-03-16	BUY	unknown	株式会社日経ビーピー Nikkei BP Inc.	strategic	140.0K	¥931	-1.7%	¥17M ($109K)
2026-03-16	BUY	unknown	株式会社日経ビーピー Nikkei BP Inc.	strategic	140.0K	¥931	-1.7%	¥17M ($109K)
2026-03-13	BUY	Market Buy	株式会社ファインドスターグループ FindstarGroup Corp.	passive	140.0K	¥926	-1.2%	¥130M ($836K)
2026-03-13	SELL	unknown	株式会社日経ビーピー NIKKEI BP Inc.	unknown	0	¥926	+1.2%	¥210M ($1.4M)
2026-03-13	BUY	unknown	株式会社日経ビーピー NIKKEI BP Inc.	unknown	0	¥926	-1.2%	¥186M ($1.2M)
2024-08-02	SELL	private	富田直人 Tomida Naoto	passive	860.9K	¥1,217	+24.8%	¥65M ($420K)
2024-07-04	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	103.3K	¥1,316	+30.5%	¥46M ($295K)
2024-04-12	SELL	Market Buy	ハヤテマネジメント株式会社 Hayate Management	activist	311.6K	¥1,237	+26.0%	¥11M ($71K)
2024-03-06	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	133.2K	¥1,259	-27.3%	¥168M ($1.1M)
2024-03-04	SELL	Market Buy	ハヤテマネジメント株式会社 Hayate Management	activist	321.3K	¥1,236	+26.0%	¥33M ($213K)
2024-02-20	SELL	Market Buy	ハヤテマネジメント株式会社 Hayate Management	activist	351.4K	¥1,260	+27.4%	¥36M ($234K)
2023-05-22	SELL	Market Buy	ハヤテマネジメント株式会社 Hayate Management	activist	382.3K	¥1,421	+35.6%	¥48M ($307K)
2023-05-12	SELL	Market Buy	ハヤテマネジメント株式会社 Hayate Management	activist	420.8K	¥1,492	+38.7%	¥42M ($273K)
2022-10-06	BUY	Market Buy	株式会社NTI NTI Inc.	passive	200.0K	¥2,442	-62.5%	¥488M ($3.2M)
2022-08-29	SELL	Market Buy	株式会社NTI NTI Inc.	passive	200.0K	¥2,479	+63.1%	¥120M ($777K)
2022-08-29	SELL	Market Buy	株式会社NTI NTI Inc.	passive	200.0K	¥2,479	+63.1%	¥28M ($178K)
2022-08-09	SELL	private	富田直人 Tomida Naoto	passive	846.6K	¥2,167	+57.8%	¥85M ($547K)
2022-05-23	SELL	Market Buy	ハヤテマネジメント株式会社 Hayate Management	activist	452.3K	¥2,360	+61.2%	¥232M ($1.5M)
2022-04-14	BUY	Market Buy	ハヤテマネジメント株式会社 Hayate Management	activist	568.4K	¥2,171	-57.9%	¥1.2B ($8.0M)
2021-11-30	SELL	Market Buy	富田直人 Tomida Naoto	passive	838.1K	¥3,435	+73.4%	¥625M ($4.0M)
2021-11-30	BUY	Market Buy	富田直人 Tomida Naoto	passive	838.1K	¥3,435	-73.4%	¥625M ($4.0M)
2021-11-16	SELL	Market Buy	富田直人 Tomida Naoto	passive	841.6K	¥3,575	+74.4%	¥581M ($3.7M)
2021-11-16	BUY	Market Buy	富田直人 Tomida Naoto	passive	841.6K	¥3,575	-74.4%	¥3M ($22K)

Frequently asked questions

Who has been buying Innovation Inc. stock?: 6 distinct investors have filed 3 disclosed large-shareholding filings in Innovation Inc. (3970), most recently on 2026-03-16. 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 Innovation Inc. have?: Innovation Inc. has 3 buy-side and 15 sell-side disclosures on record, covering ¥1.5B ($9.9M) in total reported value, spanning 2021-11-16 to 2026-03-16.
Where does StockDrifts get Innovation 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 Innovation Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.