Who has been buying Akatsuki Inc. stock?

10 distinct investors have filed 12 disclosed large-shareholding filings in Akatsuki Inc. (3932), most recently on 2026-02-17. 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 Akatsuki Inc. have?

Akatsuki Inc. has 12 buy-side and 10 sell-side disclosures on record, covering ¥12.2B ($78.5M) in total reported value, spanning 2021-05-07 to 2026-02-17.

Where does StockDrifts get Akatsuki 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.

Akatsuki Inc. 3932

Company

株式会社アカツキAkatsuki Inc.

Investors

Buys

Total Value

¥12.2B ($78.5M)

Avg Return

+12.95%

Last Filing

2026-02-17

Akatsuki Inc. (3932) has 12 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥12.2B ($78.5M) in reported transaction value. The earliest filing StockDrifts holds for Akatsuki Inc. is dated 2021-05-07; the most recent is 2026-02-17. 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 +12.95%, 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
2026-06-26	BUY	unknown	香田哲朗	activist	2.0M	¥2,874	+1.1%	¥5.8B ($37.4M)
2026-06-26	BUY	unknown	株式会社Owl Age	activist	1.1M	¥2,874	+1.1%	¥3.2B ($20.4M)
2026-05-19	SELL	private	ソニーグループ株式会社 Sony Group Corporation	strategic	140.0K	¥3,005	+3.0%	¥3.9B ($25.1M)
2026-05-19	SELL	unknown	株式会社コーエーテクモホールディングス KOEI TECMO HOLDINGS CO., LTD.	strategic	0	¥3,005	+3.0%	¥3.5B ($22.4M)
2026-02-17	BUY	unknown	ブランデス・インベストメント・パートナーズ・エル・ピー(Brandes Investment Partners, L.P.) Brandes Investment Partners, L.P.	other	758.0K	¥2,873	+0.3%	¥2.2B ($14.0M)
2024-10-28	SELL	Market Buy	株式会社Owl Age Owl Age Co., Ltd.	activist	1.1M	¥2,025	-42.3%	¥59M ($379K)
2024-10-28	SELL	unknown	株式会社Owl Age Owl Age Co., Ltd.	activist	1.1M	¥2,025	-42.3%	¥59M ($379K)
2024-10-28	BUY	unknown	香田哲朗 KODA TETSURO	activist	2.0M	¥2,025	+42.3%	¥676M ($4.4M)
2024-10-28	BUY	Market Buy	香田哲朗 KODA TETSURO	activist	2.0M	¥2,025	+42.3%	¥676M ($4.4M)
2024-03-07	BUY	Market Buy	塩田元規 Genki Shiota	strategic	439.0K	¥2,410	+19.6%	¥21M ($132K)
2024-03-07	SELL	unknown	株式会社サンクピア Thankpia Co., Ltd.	strategic	972.1K	¥2,410	-19.6%	¥7M ($44K)
2024-03-07	SELL	Market Buy	株式会社サンクピア Thankpia Co., Ltd.	strategic	972.1K	¥2,410	-19.6%	¥7M ($44K)
2024-03-07	BUY	unknown	塩田元規 Genki Shiota	strategic	439.0K	¥2,410	+19.6%	¥21M ($132K)
2024-01-15	BUY	unknown	株式会社コーエーテクモホールディングス KOEI TECMO HOLDINGS CO., LTD.	strategic	1.1M	¥2,413	+19.4%	¥2.7B ($17.6M)
2024-01-15	BUY	private	ソニーグループ株式会社 Sony Group Corporation	strategic	1.4M	¥2,413	+19.4%	¥3.4B ($21.8M)
2023-05-17	BUY	unknown	株式会社サンクピア Thankpia Co., Ltd.	strategic	972.1K	¥2,299	+25.4%	¥2.2B ($14.1M)
2023-05-17	BUY	unknown	塩田元規 Genki Shiota	strategic	439.0K	¥2,299	+25.4%	¥942M ($6.1M)
2022-11-25	SELL	unknown	株式会社Owl Age Owl Age Co., Ltd.	activist	1.1M	¥2,274	-26.7%	¥42M ($270K)
2022-11-25	SELL	unknown	株式会社Owl Age Owl Age Co., Ltd.	activist	1.1M	¥2,274	-26.7%	¥42M ($270K)
2022-11-25	SELL	unknown	香田哲朗 KODA TETSURO	activist	1.6M	¥2,274	-26.7%	¥299M ($1.9M)
2022-11-25	SELL	unknown	香田哲朗 KODA TETSURO	activist	1.6M	¥2,274	-26.7%	¥299M ($1.9M)
2022-02-07	SELL	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	11.6K	¥2,943	+2.1%	¥21M ($134K)
2022-02-07	BUY	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	509.3K	¥2,943	-2.1%	¥1.5B ($9.5M)
2021-05-10	SELL	unknown	アライアンス・バーンスタイン・エル・ピー(AllianceBernstein L.P.) AllianceBernstein L.P.	other	447.6K	¥4,035	+28.6%	¥1.1B ($6.9M)
2021-05-07	BUY	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	18.6K	¥4,010	-28.1%	¥75M ($481K)
2021-05-07	BUY	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	695.0K	¥4,010	-28.1%	¥2.8B ($18.0M)

Frequently asked questions

Who has been buying Akatsuki Inc. stock?: 10 distinct investors have filed 12 disclosed large-shareholding filings in Akatsuki Inc. (3932), most recently on 2026-02-17. 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 Akatsuki Inc. have?: Akatsuki Inc. has 12 buy-side and 10 sell-side disclosures on record, covering ¥12.2B ($78.5M) in total reported value, spanning 2021-05-07 to 2026-02-17.
Where does StockDrifts get Akatsuki 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 Akatsuki Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.