Who has been buying Gakken Holdings Co., Ltd. stock?

4 distinct investors have filed 9 disclosed large-shareholding filings in Gakken Holdings Co., Ltd. (9470), most recently on 2023-12-19. 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 Gakken Holdings Co., Ltd. have?

Gakken Holdings Co., Ltd. has 9 buy-side and 14 sell-side disclosures on record, covering ¥2.3B ($15.0M) in total reported value, spanning 2021-03-22 to 2023-12-19.

Where does StockDrifts get Gakken Holdings 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.

Gakken Holdings Co., Ltd. 9470

Company

株式会社学研ホールディングスGakken Holdings Co., Ltd.

Investors

Buys

Total Value

¥2.3B ($15.0M)

Avg Return

-14.64%

Last Filing

2023-12-19

Gakken Holdings Co., Ltd. (9470) has 9 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥2.3B ($15.0M) in reported transaction value. The earliest filing StockDrifts holds for Gakken Holdings Co., Ltd. is dated 2021-03-22; the most recent is 2023-12-19. 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 -14.64%, 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
2023-12-19	SELL	unknown	公益財団法人古岡奨学会代表理事宮原博昭 FURUOKA SCHOLARSHIP FOUNDATION	other	5.6M	¥968	-3.3%	¥285M ($1.8M)
2023-11-08	SELL	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	920.7K	¥857	-16.7%	¥168M ($1.1M)
2023-11-08	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥857	+16.7%	¥1.0B ($6.6M)
2023-11-08	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	79.2K	¥857	-16.7%	¥279M ($1.8M)
2023-09-25	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	404.2K	¥880	+13.6%	¥8M ($51K)
2023-09-25	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥880	+13.6%	¥1.1B ($6.8M)
2023-09-25	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.1M	¥880	-13.6%	¥416M ($2.7M)
2023-06-22	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	398.8K	¥870	-14.9%	¥225M ($1.5M)
2023-06-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥870	+14.9%	¥1.0B ($6.7M)
2023-06-22	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.6M	¥870	-14.9%	¥264M ($1.7M)
2022-09-26	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.9M	¥935	-7.0%	¥125M ($808K)
2022-09-26	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥935	+7.0%	¥1.1B ($7.2M)
2022-09-26	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	655.1K	¥935	+7.0%	¥530M ($3.4M)
2022-05-11	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	88.2K	¥882	-13.4%	¥47M ($305K)
2022-05-11	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥882	+13.4%	¥1.1B ($6.8M)
2022-05-11	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.0M	¥882	-13.4%	¥429M ($2.8M)
2021-10-08	SELL	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.5M	¥1,138	+12.1%	¥51M ($328K)
2021-10-08	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥1,138	-12.1%	¥1.4B ($8.8M)
2021-10-08	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	143.9K	¥1,138	+12.1%	¥1.3B ($8.7M)
2021-10-01	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.6M	¥1,206	+17.1%	¥264M ($1.7M)
2021-10-01	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥1,206	-17.1%	¥1.4B ($9.3M)
2021-10-01	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	1.3M	¥1,206	-17.1%	¥775M ($5.0M)
2021-09-21	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.8M	¥1,211	-17.4%	¥238M ($1.5M)
2021-09-21	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥1,211	-17.4%	¥1.5B ($9.4M)
2021-09-21	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	684.7K	¥1,211	-17.4%	¥330M ($2.1M)
2021-07-26	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	409.7K	¥1,303	-23.3%	¥233M ($1.5M)
2021-07-26	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥1,303	-23.3%	¥1.6B ($10.1M)
2021-07-26	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.6M	¥1,303	-23.3%	¥465M ($3.0M)
2021-04-07	BUY	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.2M	¥1,438	-30.5%	¥167M ($1.1M)
2021-04-07	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	234.1K	¥1,438	+30.5%	¥6M ($41K)
2021-04-07	SELL	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥1,438	+30.5%	¥90M ($580K)
2021-03-22	BUY	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.0M	¥1,307.024	-23.5%	¥144M ($929K)
2021-03-22	BUY	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	226.2K	¥1,307.024	-23.5%	¥296M ($1.9M)
2021-03-22	BUY	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.2M	¥1,307.024	-23.5%	¥1.6B ($10.1M)

Frequently asked questions

Who has been buying Gakken Holdings Co., Ltd. stock?: 4 distinct investors have filed 9 disclosed large-shareholding filings in Gakken Holdings Co., Ltd. (9470), most recently on 2023-12-19. 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 Gakken Holdings Co., Ltd. have?: Gakken Holdings Co., Ltd. has 9 buy-side and 14 sell-side disclosures on record, covering ¥2.3B ($15.0M) in total reported value, spanning 2021-03-22 to 2023-12-19.
Where does StockDrifts get Gakken Holdings 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 Gakken Holdings Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.