Who has been buying AOKI Holdings Inc. stock?

8 distinct investors have filed 9 disclosed large-shareholding filings in AOKI Holdings Inc. (8214), most recently on 2026-05-13. 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 AOKI Holdings Inc. have?

AOKI Holdings Inc. has 9 buy-side and 3 sell-side disclosures on record, covering ¥1.2B ($7.6M) in total reported value, spanning 2022-03-24 to 2026-05-13.

Where does StockDrifts get AOKI 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.

AOKI Holdings Inc. 8214

Company

株式会社AOKIホールディングスAOKI Holdings Inc.

Investors

Buys

Total Value

¥1.2B ($7.6M)

Avg Return

+122.70%

Last Filing

2026-05-13

AOKI Holdings Inc. (8214) has 9 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥1.2B ($7.6M) in reported transaction value. The earliest filing StockDrifts holds for AOKI Holdings Inc. is dated 2022-03-24; the most recent is 2026-05-13. 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 +122.70%, 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
2026-05-13	BUY	unknown	青木寶久	strategic	1.8M	¥1,712	-7.8%	¥3.2B ($20.4M)
2026-05-13	BUY	unknown	青木柾允	strategic	2.6M	¥1,712	-7.8%	¥4.4B ($28.4M)
2026-05-13	BUY	unknown	青木彰宏	strategic	2.6M	¥1,712	-7.8%	¥4.4B ($28.7M)
2026-05-13	BUY	unknown	株式会社トレイデアーリ	strategic	4.3M	¥1,712	-7.8%	¥7.4B ($47.5M)
2026-05-13	BUY	unknown	青木情報開発株式会社	strategic	1.2M	¥1,712	-7.8%	¥2.1B ($13.7M)
2026-05-13	BUY	unknown	青木光子	strategic	858.3K	¥1,712	-7.8%	¥1.5B ($9.5M)
2026-05-13	BUY	unknown	青木擴憲	strategic	1.8M	¥1,712	-7.8%	¥3.2B ($20.4M)
2026-05-13	BUY	unknown	株式会社アニヴェルセルHOLDINGS	strategic	32.4M	¥1,712	-7.8%	¥55.5B ($358.0M)
2026-05-13	BUY	unknown	青木擴憲	strategic	1.8M	¥1,712	-7.8%	¥3.2B ($20.4M)
2026-05-13	BUY	unknown	株式会社アニヴェルセルHOLDINGS	strategic	32.4M	¥1,712	-7.8%	¥55.5B ($358.0M)
2026-05-13	BUY	unknown	青木寶久	strategic	1.8M	¥1,712	-7.8%	¥3.2B ($20.4M)
2026-05-13	BUY	unknown	青木柾允	strategic	2.6M	¥1,712	-7.8%	¥4.4B ($28.4M)
2026-05-13	BUY	unknown	株式会社トレイデアーリ	strategic	4.3M	¥1,712	-7.8%	¥7.4B ($47.5M)
2026-05-13	BUY	unknown	青木情報開発株式会社	strategic	1.2M	¥1,712	-7.8%	¥2.1B ($13.7M)
2026-05-13	BUY	unknown	青木彰宏	strategic	2.6M	¥1,712	-7.8%	¥4.4B ($28.7M)
2026-05-13	BUY	unknown	青木光子	strategic	858.3K	¥1,712	-7.8%	¥1.5B ($9.5M)
2026-01-28	BUY	unknown	青木情報開発株式会社	strategic	1.2M	¥1,824	+11.7%	¥2.0B ($12.9M)
2026-01-28	BUY	unknown	青木光子	strategic	858.3K	¥1,824	+11.7%	¥1.4B ($8.9M)
2026-01-28	BUY	unknown	青木擴憲	strategic	1.8M	¥1,824	+11.7%	¥3.0B ($19.2M)
2026-01-28	BUY	unknown	株式会社アニヴェルセルHOLDINGS	strategic	32.4M	¥1,824	+11.7%	¥52.2B ($336.9M)
2024-02-27	BUY	unknown	青木擴憲 Hironori Aoki	strategic	1.8M	¥1,126	+43.1%	¥2.1B ($13.4M)
2024-02-27	BUY	unknown	青木情報開発株式会社 Aoki Information Development Co., Ltd.	strategic	1.2M	¥1,126	+43.1%	¥1.4B ($9.0M)
2024-02-27	BUY	unknown	青木光子 Mitsuko Aoki	strategic	858.3K	¥1,126	+43.1%	¥966M ($6.2M)
2024-02-27	BUY	unknown	株式会社アニヴェルセルHOLDINGS ANNIVERSAIRE HOLDINGS INC.	strategic	32.4M	¥1,126	+43.1%	¥36.5B ($235.5M)
2023-10-12	BUY	negotiated	株式会社アニヴェルセルHOLDINGS ANNIVERSAIRE HOLDINGS INC.	activist	32.4M	¥1,000	+61.1%	¥32.4B ($209.1M)
2023-10-12	BUY	negotiated	青木情報開発株式会社 Aoki Information Development Co., Ltd.	engagement	1.2M	¥1,000	+61.1%	¥1.2B ($8.0M)
2023-10-12	BUY	negotiated	青木光子 Mitsuko Aoki	engagement	858.3K	¥1,000	+61.1%	¥858M ($5.5M)
2023-10-12	BUY	negotiated	青木擴憲 Hironori Aoki	activist	1.8M	¥1,000	+61.1%	¥1.8B ($11.9M)
2023-10-03	BUY	negotiated	青木情報開発株式会社 Aoki Information Development Co., Ltd.	engagement	1.2M	¥988	+63.1%	¥1.2B ($7.9M)
2023-10-03	BUY	negotiated	青木光子 Mitsuko Aoki	engagement	858.3K	¥988	+63.1%	¥848M ($5.5M)
2023-10-03	BUY	negotiated	青木擴憲 Hironori Aoki	activist	1.8M	¥988	+63.1%	¥1.8B ($11.7M)
2023-10-03	BUY	negotiated	株式会社アニヴェルセルHOLDINGS ANNIVERSAIRE HOLDINGS INC.	activist	32.4M	¥988	+63.1%	¥32.0B ($206.6M)
2023-09-21	BUY	Market Buy	青木情報開発株式会社 Aoki Information Development Co., Ltd.	engagement	1.2M	¥1,035	+55.6%	¥18M ($116K)
2023-09-21	BUY	Market Buy	青木光子 Mitsuko Aoki	engagement	858.3K	¥1,035	+55.6%	¥9M ($58K)
2023-09-21	BUY	Market Buy	青木擴憲 Hironori Aoki	activist	1.8M	¥1,035	+55.6%	¥27M ($174K)
2023-09-21	BUY	Market Buy	株式会社アニヴェルセルHOLDINGS ANNIVERSAIRE HOLDINGS INC.	activist	32.4M	¥1,035	+55.6%	¥386M ($2.5M)
2023-05-22	BUY	negotiated	青木光子 Mitsuko Aoki	engagement	858.3K	¥855	+88.4%	¥734M ($4.7M)
2023-05-22	BUY	negotiated	青木拡憲 HIRONORI AOKI	activist	1.8M	¥855	+88.4%	¥1.6B ($10.2M)
2023-05-22	BUY	negotiated	青木情報開発株式会社 Aoki Information Development Co., Ltd.	engagement	1.2M	¥855	+88.4%	¥1.1B ($6.9M)
2023-05-22	SELL	negotiated	株式会社アニヴェルセルHOLDINGS ANNIVERSAIRE HOLDINGS INC.	activist	32.4M	¥855	-88.4%	¥854M ($5.5M)
2023-05-22	BUY	negotiated	青木情報開発株式会社 Aoki Information Development Co., Ltd.	engagement	1.2M	¥855	+88.4%	¥1.1B ($6.9M)
2023-05-22	SELL	negotiated	株式会社アニヴェルセルHOLDINGS ANNIVERSAIRE HOLDINGS INC.	activist	32.4M	¥855	-88.4%	¥854M ($5.5M)
2023-05-22	BUY	negotiated	青木光子 Mitsuko Aoki	engagement	858.3K	¥855	+88.4%	¥734M ($4.7M)
2023-05-22	BUY	negotiated	青木拡憲 HIRONORI AOKI	activist	1.8M	¥855	+88.4%	¥1.6B ($10.2M)
2022-08-04	BUY	negotiated	青木情報開発株式会社 Aoki Information Development Co., Ltd.	engagement	1.2M	¥680	+136.9%	¥846M ($5.5M)
2022-08-04	BUY	negotiated	株式会社アニヴェルセルHOLDINGS ANNIVERSAIRE HOLDINGS INC.	activist	33.4M	¥680	+136.9%	¥22.7B ($146.6M)
2022-08-04	BUY	negotiated	青木光子 Mitsuko Aoki	engagement	858.3K	¥680	+136.9%	¥584M ($3.8M)
2022-08-04	BUY	negotiated	青木情報開発株式会社 Aoki Information Development Co., Ltd.	engagement	1.2M	¥680	+136.9%	¥846M ($5.5M)
2022-08-04	BUY	negotiated	株式会社アニヴェルセルHOLDINGS ANNIVERSAIRE HOLDINGS INC.	activist	33.4M	¥680	+136.9%	¥22.7B ($146.6M)
2022-08-04	BUY	negotiated	青木光子 Mitsuko Aoki	engagement	858.3K	¥680	+136.9%	¥584M ($3.8M)

Showing the 50 most recent of 68 filings.

Frequently asked questions

Who has been buying AOKI Holdings Inc. stock?: 8 distinct investors have filed 9 disclosed large-shareholding filings in AOKI Holdings Inc. (8214), most recently on 2026-05-13. 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 AOKI Holdings Inc. have?: AOKI Holdings Inc. has 9 buy-side and 3 sell-side disclosures on record, covering ¥1.2B ($7.6M) in total reported value, spanning 2022-03-24 to 2026-05-13.
Where does StockDrifts get AOKI 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 AOKI Holdings Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.