Who has been buying Wacom Co., Ltd. stock?

8 distinct investors have filed 30 disclosed large-shareholding filings in Wacom Co., Ltd. (6727), 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 Wacom Co., Ltd. have?

Wacom Co., Ltd. has 30 buy-side and 24 sell-side disclosures on record, covering ¥43.0B ($277.6M) in total reported value, spanning 2021-10-06 to 2026-05-13.

Where does StockDrifts get Wacom Co., 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.

Wacom Co., Ltd. 6727

Company

株式会社ワコムWacom Co., Ltd.

Investors

Buys

Total Value

¥43.0B ($277.6M)

Avg Return

+11.27%

Last Filing

2026-05-13

Wacom Co., Ltd. (6727) has 30 disclosed large-shareholding filings and 24 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥43.0B ($277.6M) in reported transaction value. The earliest filing StockDrifts holds for Wacom Co., Ltd. is dated 2021-10-06; 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 +11.27%, 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
2026-08-07	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	23.0M	¥786	+5.3%	¥1.2B ($7.8M)
2026-08-06	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	2.4M	¥790	-4.8%	¥1.3B ($8.1M)
2026-08-06	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社	other	3.0M	¥790	-4.8%	¥117M ($757K)
2026-07-28	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	21.5M	¥777	+6.6%	¥1.1B ($7.3M)
2026-07-22	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	4.0M	¥756	-9.5%	¥847M ($5.5M)
2026-07-22	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社	other	3.1M	¥756	-9.5%	¥439M ($2.8M)
2026-06-26	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	20.0M	¥758	+1.6%	¥1.1B ($7.2M)
2026-05-13	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	18.5M	¥764	+19.0%	¥588M ($3.8M)
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	5.1M	¥787	-0.4%	¥297M ($1.9M)
2025-09-19	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	3.7M	¥787	-0.4%	¥202M ($1.3M)
2025-09-16	BUY	Market Buy	カナメ・キャピタル・エルピー(Kaname Capital,L.P.) Kaname Capital, L.P.	activist	6.8M	¥780	+1.3%	¥5.3B ($34.3M)
2025-08-21	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	17.8M	¥720	+9.7%	¥1.1B ($7.1M)
2025-06-26	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	16.3M	¥675	+17.0%	¥911M ($5.9M)
2025-06-05	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	5.5M	¥614	-28.7%	¥1.4B ($8.8M)
2025-06-05	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	4.0M	¥614	+28.7%	¥240M ($1.6M)
2025-06-05	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	14.9M	¥614	+28.7%	¥1.5B ($9.9M)
2025-05-02	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	13.4M	¥552	+43.1%	¥1.2B ($7.5M)
2025-04-07	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	1.6M	¥463	-70.6%	¥196M ($1.3M)
2025-04-07	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	4.9M	¥463	-70.6%	¥493M ($3.2M)
2024-10-21	SELL	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	161.7K	¥684	-15.5%	¥80M ($515K)
2024-10-21	SELL	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	5.7M	¥684	-15.5%	¥1.2B ($8.1M)
2024-08-06	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	2.0M	¥592	-33.5%	¥432M ($2.8M)
2024-08-06	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	6.0M	¥592	-33.5%	¥553M ($3.6M)
2024-05-21	SELL	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	292.4K	¥729	-8.4%	¥11M ($71K)
2024-05-21	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	7.8M	¥729	+8.4%	¥5.6B ($36.1M)
2024-03-21	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	2.8M	¥673	-17.4%	¥522M ($3.4M)
2024-03-21	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	7.2M	¥673	-17.4%	¥614M ($4.0M)
2024-03-13	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	12.2M	¥681	-16.0%	¥1.5B ($9.4M)
2024-03-06	BUY	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	300.3K	¥643	+22.9%	¥10M ($63K)
2024-03-06	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	11.0M	¥643	+22.9%	¥7.0B ($44.9M)
2024-02-14	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	14.4M	¥651	-21.4%	¥1.1B ($7.0M)
2023-12-13	SELL	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	296.3K	¥664	-19.0%	¥21M ($135K)
2023-12-13	SELL	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	296.3K	¥664	-19.0%	¥21M ($135K)
2023-12-13	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	13.3M	¥664	+19.0%	¥8.8B ($56.5M)
2023-12-13	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	13.3M	¥664	+19.0%	¥8.8B ($56.5M)
2023-11-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	9.0M	¥702	-12.5%	¥22M ($143K)
2023-11-21	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	3.8M	¥702	-12.5%	¥133M ($859K)
2023-11-21	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	4.2M	¥702	-12.5%	¥133M ($859K)
2023-11-21	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	8.5M	¥702	-12.5%	¥1.2B ($7.4M)
2023-08-03	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	16.0M	¥622	+27.0%	¥953M ($6.2M)
2023-07-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	9.0M	¥597	+32.3%	¥132M ($852K)
2023-07-06	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	4.4M	¥597	-32.3%	¥340M ($2.2M)
2023-06-20	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	4.0M	¥614	-28.7%	¥19M ($125K)
2023-06-20	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	10.1M	¥614	-28.7%	¥990M ($6.4M)
2023-03-22	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	8.8M	¥688	+14.8%	¥272M ($1.8M)
2023-03-22	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	4.9M	¥688	+14.8%	¥11M ($70K)
2022-12-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	8.8M	¥580	+36.2%	¥344M ($2.2M)
2022-12-21	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	5.1M	¥580	-36.2%	¥172M ($1.1M)
2022-10-06	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	8.2M	¥721	+9.6%	¥486M ($3.1M)
2022-10-06	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	5.4M	¥721	+9.6%	¥131M ($842K)

Showing the 50 most recent of 61 filings.

Frequently asked questions

Who has been buying Wacom Co., Ltd. stock?: 8 distinct investors have filed 30 disclosed large-shareholding filings in Wacom Co., Ltd. (6727), 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 Wacom Co., Ltd. have?: Wacom Co., Ltd. has 30 buy-side and 24 sell-side disclosures on record, covering ¥43.0B ($277.6M) in total reported value, spanning 2021-10-06 to 2026-05-13.
Where does StockDrifts get Wacom Co., 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 Wacom Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.