Who has been buying Gamecard-Joyco Holdings,Inc. stock?

7 distinct investors have filed 10 disclosed large-shareholding filings in Gamecard-Joyco Holdings,Inc. (6249), most recently on 2025-11-12. 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 Gamecard-Joyco Holdings,Inc. have?

Gamecard-Joyco Holdings,Inc. has 10 buy-side and 8 sell-side disclosures on record, covering ¥12.2B ($78.7M) in total reported value, spanning 2021-04-21 to 2025-11-12.

Where does StockDrifts get Gamecard-Joyco 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.

Gamecard-Joyco Holdings,Inc. 6249

Company

株式会社ゲームカードホールディングスGamecard-Joyco Holdings,Inc.

Investors

Buys

Total Value

¥12.2B ($78.7M)

Avg Return

+39.71%

Last Filing

2025-11-12

Gamecard-Joyco Holdings,Inc. (6249) has 10 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥12.2B ($78.7M) in reported transaction value. The earliest filing StockDrifts holds for Gamecard-Joyco Holdings,Inc. is dated 2021-04-21; the most recent is 2025-11-12. 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 +39.71%, 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
2026-06-08	BUY	Market Buy	レンジリー・キャピタル・エルエルシー(Rangeley Capital, LLC) Rangeley Capital, LLC	activist	1.0M	¥2,420	+1.7%	¥355M ($2.3M)
2026-05-21	BUY	Market Buy	株式会社三共 SANKYO CO., LTD.	strategic	1.6M	¥2,279	+9.5%	¥422M ($2.7M)
2025-11-12	BUY	Market Buy	レンジリー・キャピタル・エルエルシー(Rangeley Capital, LLC) Rangeley Capital, LLC	activist	887.8K	¥2,763	+0.6%	¥418M ($2.7M)
2025-08-27	BUY	unknown	レンジリー・キャピタル・エルエルシー(Rangeley Capital, LLC) Rangeley Capital, LLC	activist	736.4K	¥2,767	+0.4%	¥2.0B ($13.1M)
2024-04-10	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	75.5K	¥2,326	+19.5%	¥119M ($770K)
2024-04-10	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	1.8K	¥2,326	-19.5%	¥42M ($272K)
2024-02-20	SELL	subscription	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	23.8K	¥2,274	-22.2%	¥26M ($167K)
2024-02-20	BUY	subscription	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	2.2M	¥2,274	+22.2%	¥4.3B ($27.7M)
2024-02-06	SELL	subscription	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	35.8K	¥2,364	-17.6%	¥78M ($500K)
2024-02-06	BUY	subscription	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	2.4M	¥2,364	+17.6%	¥4.8B ($30.8M)
2023-12-15	SELL	subscription	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	68.3K	¥1,954	-42.2%	¥245M ($1.6M)
2023-12-15	SELL	subscription	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	2.6M	¥1,954	-42.2%	¥92M ($593K)
2023-12-07	BUY	subscription	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	193.7K	¥2,011	+38.2%	¥390M ($2.5M)
2023-12-07	BUY	subscription	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	2.6M	¥2,011	+38.2%	¥5.3B ($34.0M)
2023-07-10	BUY	Market Buy	マミヤ・オーピー株式会社 MAMIYA-OP CO., LTD.	strategic	1.2M	¥4,445	-37.5%	¥1.0B ($6.7M)
2022-07-12	BUY	unknown	マミヤ・オーピー株式会社 MAMIYA-OP CO., LTD.	strategic	944.5K	¥1,011	+174.9%	¥955M ($6.2M)
2022-07-12	SELL	unknown	株式会社三共 SANKYO CO., LTD.	strategic	1.4M	¥1,011	-174.9%	¥548M ($3.5M)
2022-07-12	BUY	unknown	マミヤ・オーピー株式会社 MAMIYA-OP CO., LTD.	strategic	944.5K	¥1,011	+174.9%	¥955M ($6.2M)
2021-12-06	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	713.3K	¥1,035	-168.5%	¥225M ($1.5M)
2021-11-05	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	940.5K	¥1,246	+123.0%	¥1.2B ($7.6M)
2021-04-21	SELL	Market Buy	タワー投資顧問株式会社 Tower Investment Management Co., Ltd.	activist	626.5K	¥1,224	-127.0%	¥124M ($800K)

Frequently asked questions

Who has been buying Gamecard-Joyco Holdings,Inc. stock?: 7 distinct investors have filed 10 disclosed large-shareholding filings in Gamecard-Joyco Holdings,Inc. (6249), most recently on 2025-11-12. 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 Gamecard-Joyco Holdings,Inc. have?: Gamecard-Joyco Holdings,Inc. has 10 buy-side and 8 sell-side disclosures on record, covering ¥12.2B ($78.7M) in total reported value, spanning 2021-04-21 to 2025-11-12.
Where does StockDrifts get Gamecard-Joyco 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 Gamecard-Joyco Holdings,Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.