Who has been buying Maxell, Ltd. stock?

13 distinct investors have filed 25 disclosed large-shareholding filings in Maxell, Ltd. (6810), most recently on 2026-04-08. 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 Maxell, Ltd. have?

Maxell, Ltd. has 25 buy-side and 14 sell-side disclosures on record, covering ¥24.3B ($156.7M) in total reported value, spanning 2021-03-22 to 2026-04-08.

Where does StockDrifts get Maxell, Ltd. 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.

Maxell, Ltd. 6810

Company

マクセル株式会社Maxell, Ltd.

Investors

Buys

Total Value

¥24.3B ($156.7M)

Avg Return

+43.59%

Last Filing

2026-04-08

Maxell, Ltd. (6810) has 25 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥24.3B ($156.7M) in reported transaction value. The earliest filing StockDrifts holds for Maxell, Ltd. is dated 2021-03-22; the most recent is 2026-04-08. 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 +43.59%, 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
2026-06-17	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	4.7M	¥2,272	-10.9%	¥1.0B ($6.5M)
2026-06-05	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	4.3M	¥2,062	+4.4%	¥1.1B ($7.4M)
2026-04-08	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	4.3M	¥2,208	-12.3%	¥1.1B ($7.0M)
2025-11-27	SELL	Market Buy	タイヨウ・パシフィック・パートナーズ・エルピー (Taiyo Pacific Partners L.P.) Taiyo Pacific Partners L.P.	activist	0	¥2,206	+0.0%	¥13.6B ($87.6M)
2025-09-19	SELL	unknown	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	1.8M	¥2,130	-3.6%	¥200M ($1.3M)
2025-09-19	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.3M	¥2,130	+3.6%	¥180M ($1.2M)
2025-04-23	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	3.8M	¥1,709	+29.1%	¥827M ($5.3M)
2025-04-04	BUY	Market Buy	タイヨウ・パシフィック・パートナーズ・エルピー (Taiyo Pacific Partners L.P.) Taiyo Pacific Partners L.P.	activist	6.2M	¥1,635	+34.9%	¥775M ($5.0M)
2025-03-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.9M	¥1,908	+15.6%	¥3.6B ($23.3M)
2025-03-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	2.2K	¥1,908	-15.6%	¥45.7B ($294.8M)
2025-01-17	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	3.3M	¥1,930	+14.3%	¥915M ($5.9M)
2024-12-23	BUY	Market Buy	タイヨウ・パシフィック・パートナーズ・エルピー (Taiyo Pacific Partners L.P.) Taiyo Pacific Partners L.P.	activist	5.7M	¥1,757	+25.6%	¥932M ($6.0M)
2024-12-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.2M	¥1,741	+26.7%	¥3.8B ($24.2M)
2024-12-20	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	240.4K	¥1,741	+26.7%	¥419M ($2.7M)
2024-11-18	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	3.0M	¥1,717	+28.5%	¥887M ($5.7M)
2024-11-05	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	2.5M	¥1,802	+22.4%	¥4.5B ($29.0M)
2024-05-08	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.0M	¥1,528	+44.4%	¥15M ($98K)
2024-05-08	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.3M	¥1,528	-44.4%	¥775M ($5.0M)
2023-06-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.0M	¥1,474	-49.7%	¥242M ($1.6M)
2023-06-06	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.8M	¥1,474	-49.7%	¥95M ($614K)
2023-04-06	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.2M	¥1,478	+49.3%	¥176M ($1.1M)
2023-04-06	BUY	Market Buy	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.9M	¥1,478	+49.3%	¥66M ($426K)
2022-12-21	BUY	Market Buy	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	2.0M	¥1,343	+64.3%	¥287M ($1.8M)
2022-12-21	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.2M	¥1,343	+64.3%	¥645M ($4.2M)
2022-07-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	144.7K	¥1,295	+70.3%	¥187M ($1.2M)
2022-07-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.1M	¥1,295	+70.3%	¥2.7B ($17.6M)
2022-07-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.7M	¥1,296	+70.2%	¥698M ($4.5M)
2022-07-06	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.7M	¥1,296	-70.2%	¥173M ($1.1M)
2022-05-19	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.2M	¥1,227	+79.8%	¥661M ($4.3M)
2022-05-19	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.9M	¥1,227	-79.8%	¥190M ($1.2M)
2022-01-05	BUY	Market Buy	タイヨウ・ファンド・エルピー(Taiyo Fund Taiyo Fund LP	activist	2.6M	¥1,466	+50.5%	¥3.8B ($24.3M)
2022-01-05	SELL	unknown	タイヨウ繁栄ジーピー・エルティディー(Taiyo Hanei GP Taiyo Hanei GP	other	0	¥1,466	-50.5%	¥2.5B ($15.8M)
2022-01-05	SELL	unknown	タイヨウ・ヒナタ・ジーピー・エルエルシー Taiyo Hinata GP LLC	other	0	¥1,466	-50.5%	¥18.8B ($121.1M)
2022-01-05	SELL	unknown	タイヨウ・パシフィック・シージー・エルエルシー Taiyo Pacific CG LLC	other	0	¥1,466	-50.5%	¥2.4B ($15.2M)
2022-01-05	SELL	unknown	タイヨウ・ファンド・マネッジメント・エルエルシー Taiyo Fund Management LLC	other	0	¥1,466	-50.5%	¥3.8B ($24.3M)
2022-01-05	BUY	Market Buy	タイヨウ・パシフィック・パートナーズ・エルピー Taiyo Pacific Partners L.P.	activist	3.3M	¥1,466	+50.5%	¥4.8B ($31.1M)
2022-01-05	BUY	Market Buy	タイヨウ・パシフィック・パートナーズ・エルピー Taiyo Pacific Partners L.P.	activist	5.9M	¥1,466	+50.5%	¥8.6B ($55.4M)
2021-12-22	SELL	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	2.1M	¥1,405	-57.0%	¥854M ($5.5M)
2021-10-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.7M	¥1,305	+69.0%	¥3.5B ($22.5M)
2021-09-24	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.1M	¥1,357	-62.6%	¥775M ($5.0M)
2021-07-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	657.9K	¥1,286	+71.5%	¥846M ($5.5M)
2021-07-06	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	2.0M	¥1,286	+71.5%	¥2.6B ($16.9M)
2021-03-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.7M	¥1,299.221	+69.8%	¥3.5B ($22.8M)

Frequently asked questions

Who has been buying Maxell, Ltd. stock?: 13 distinct investors have filed 25 disclosed large-shareholding filings in Maxell, Ltd. (6810), most recently on 2026-04-08. 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 Maxell, Ltd. have?: Maxell, Ltd. has 25 buy-side and 14 sell-side disclosures on record, covering ¥24.3B ($156.7M) in total reported value, spanning 2021-03-22 to 2026-04-08.
Where does StockDrifts get Maxell, Ltd. 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 Maxell, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.