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

5 distinct investors have filed 8 disclosed large-shareholding filings in WDB Holdings Co., Ltd. (2475), most recently on 2025-05-22. 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 WDB Holdings Co., Ltd. have?

WDB Holdings Co., Ltd. has 8 buy-side and 3 sell-side disclosures on record, covering ¥1.3B ($8.4M) in total reported value, spanning 2021-05-21 to 2025-05-22.

Where does StockDrifts get WDB 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.

WDB Holdings Co., Ltd. 2475

Company

WDBホールディングス株式会社WDB Holdings Co., Ltd.

Investors

Buys

Total Value

¥1.3B ($8.4M)

Avg Return

-31.60%

Last Filing

2025-05-22

WDB Holdings Co., Ltd. (2475) has 8 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥1.3B ($8.4M) in reported transaction value. The earliest filing StockDrifts holds for WDB Holdings Co., Ltd. is dated 2021-05-21; the most recent is 2025-05-22. 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 -31.60%, 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
2026-06-19	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	658.6K	¥1,769	+2.6%	¥355M ($2.3M)
2026-06-19	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	96.2K	¥1,769	+2.6%	¥170M ($1.1M)
2026-06-19	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	242.8K	¥1,769	+2.6%	¥231M ($1.5M)
2026-06-19	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	918.5K	¥1,769	+2.6%	¥156M ($1.0M)
2026-06-19	BUY	Market Buy	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	100.7K	¥1,769	+2.6%	¥7M ($46K)
2026-06-19	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	456.6K	¥1,769	+2.6%	¥380M ($2.4M)
2026-06-19	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	938.7K	¥1,769	+2.6%	¥35M ($229K)
2026-06-19	BUY	Market Buy	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	109.7K	¥1,769	+2.6%	¥18M ($114K)
2026-06-19	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	931.7K	¥1,769	-2.6%	¥14M ($92K)
2026-06-19	BUY	Market Buy	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	125.5K	¥1,769	+2.6%	¥28M ($183K)
2026-06-19	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	813.5K	¥1,769	+2.6%	¥277M ($1.8M)
2026-06-19	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	967.2K	¥1,769	+2.6%	¥64M ($412K)
2026-06-09	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	112.7K	¥1,718	+3.8%	¥194M ($1.2M)
2026-06-09	BUY	unknown	フィデリティマネジメントトラストカンパニー Fidelity Management Trust Company	other	96.2K	¥1,718	+3.8%	¥165M ($1.1M)
2026-06-09	BUY	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	829.8K	¥1,718	+3.8%	¥1.4B ($9.2M)
2026-06-01	BUY	unknown	中野商店株式会社	other	9.7M	¥1,818	-4.8%	¥17.6B ($113.3M)
2026-06-01	BUY	unknown	中野敏光	other	600.0K	¥1,818	-4.8%	¥1.1B ($7.0M)
2026-06-01	BUY	unknown	中野商店株式会社	other	9.7M	¥1,818	-4.8%	¥17.6B ($113.3M)
2026-06-01	BUY	unknown	中野敏光	other	600.0K	¥1,818	-4.8%	¥1.1B ($7.0M)
2026-06-01	BUY	unknown	中野まゆみ	other	111.2K	¥1,818	-4.8%	¥202M ($1.3M)
2026-06-01	BUY	unknown	中野まゆみ	other	111.2K	¥1,818	-4.8%	¥202M ($1.3M)
2025-05-22	BUY	Market Buy	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.9M	¥1,862	-17.3%	¥385M ($2.5M)
2025-03-07	BUY	Market Buy	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.7M	¥1,863	-17.3%	¥377M ($2.4M)
2024-05-22	BUY	Market Buy	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.5M	¥1,649	-6.6%	¥394M ($2.5M)
2024-03-25	BUY	Market Buy	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.3M	¥2,319	-33.6%	¥507M ($3.3M)
2024-02-22	BUY	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.0M	¥2,275	-32.3%	¥2.4B ($15.2M)
2023-05-22	BUY	unknown	中野商店株式会社 Nakano Shoten Co., Ltd.	other	9.7M	¥2,130	-27.7%	¥20.6B ($132.7M)
2023-05-22	BUY	unknown	中野まゆみ Mayumi Nakano	other	111.2K	¥2,130	-27.7%	¥237M ($1.5M)
2023-05-22	BUY	unknown	中野商店株式会社 Nakano Shoten Co., Ltd.	other	9.7M	¥2,130	-27.7%	¥20.6B ($132.7M)
2023-05-22	BUY	unknown	中野まゆみ Mayumi Nakano	other	111.2K	¥2,130	-27.7%	¥237M ($1.5M)
2023-05-22	BUY	unknown	中野敏光 Toshimitsu Nakano	other	600.0K	¥2,130	-27.7%	¥1.3B ($8.2M)
2023-05-22	BUY	unknown	中野敏光 Toshimitsu Nakano	other	600.0K	¥2,130	-27.7%	¥1.3B ($8.2M)
2023-05-19	SELL	Market Buy	メイワー・インベストメント・マネジメント・リミテッド(Mawer Investment Management Ltd.) Mawer Investment Management Ltd.	passive	887.6K	¥2,122	+27.4%	¥494M ($3.2M)
2023-04-04	BUY	unknown	中野敏光 Toshimitsu Nakano	other	600.0K	¥1,998	-22.9%	¥1.2B ($7.7M)
2023-04-04	BUY	unknown	中野商店株式会社 Nakano Shoten Co., Ltd.	other	9.7M	¥1,998	-22.9%	¥19.3B ($124.5M)
2023-04-04	BUY	unknown	中野まゆみ Mayumi Nakano	other	111.2K	¥1,998	-22.9%	¥222M ($1.4M)
2023-04-04	BUY	unknown	株式会社中野商店 Nakano Shoten Co., Ltd.	other	9.7M	¥1,998	-22.9%	¥19.3B ($124.5M)
2023-04-04	BUY	unknown	中野まゆみ Mayumi Nakano	other	111.2K	¥1,998	-22.9%	¥222M ($1.4M)
2023-04-04	BUY	unknown	株式会社中野商店 Nakano Shoten Co., Ltd.	other	9.7M	¥1,998	-22.9%	¥19.3B ($124.5M)
2023-04-04	BUY	unknown	中野まゆみ Mayumi Nakano	other	111.2K	¥1,998	-22.9%	¥222M ($1.4M)
2023-04-04	BUY	unknown	中野敏光 Toshimitsu Nakano	other	600.0K	¥1,998	-22.9%	¥1.2B ($7.7M)
2023-04-04	BUY	unknown	中野敏光 Toshimitsu Nakano	other	600.0K	¥1,998	-22.9%	¥1.2B ($7.7M)
2022-11-21	SELL	Market Buy	メイワー・インベストメント・マネジメント・リミテッド(Mawer Investment Management Ltd.) Mawer Investment Management Ltd.	passive	1.1M	¥2,521	+38.9%	¥541M ($3.5M)
2022-07-07	SELL	Market Buy	メイワー・インベストメント・マネジメント・リミテッド(Mawer Investment Management Ltd.) Mawer Investment Management Ltd.	passive	1.3M	¥2,397	+35.8%	¥490M ($3.2M)
2021-09-07	BUY	Market Buy	メイワー・インベストメント・マネジメント・リミテッド(Mawer Investment Management Ltd.) Mawer Investment Management Ltd.	passive	1.5M	¥3,580	-57.0%	¥912M ($5.9M)
2021-07-07	BUY	Market Buy	メイワー・インベストメント・マネジメント・リミテッド(Mawer Investment Management Ltd.) Mawer Investment Management Ltd.	passive	1.3M	¥3,100	-50.3%	¥796M ($5.1M)
2021-05-21	BUY	Market Buy	メイワー・インベストメント・マネジメント・リミテッド(Mawer Investment Management Ltd.) Mawer Investment Management Ltd.	passive	1.0M	¥2,499	-38.4%	¥2.6B ($16.6M)

Frequently asked questions

Who has been buying WDB Holdings Co., Ltd. stock?: 5 distinct investors have filed 8 disclosed large-shareholding filings in WDB Holdings Co., Ltd. (2475), most recently on 2025-05-22. 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 WDB Holdings Co., Ltd. have?: WDB Holdings Co., Ltd. has 8 buy-side and 3 sell-side disclosures on record, covering ¥1.3B ($8.4M) in total reported value, spanning 2021-05-21 to 2025-05-22.
Where does StockDrifts get WDB 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 WDB Holdings Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.