Who has been buying Adways Inc. stock?

3 distinct investors have filed 2 disclosed large-shareholding filings in Adways Inc. (2489), most recently on 2025-12-16. 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 Adways Inc. have?

Adways Inc. has 2 buy-side and 4 sell-side disclosures on record, covering ¥3.1B ($20.1M) in total reported value, spanning 2021-12-06 to 2025-12-16.

Where does StockDrifts get Adways 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.

Adways Inc. 2489

Company

株式会社アドウェイズAdways Inc.

Investors

Buys

Total Value

¥3.1B ($20.1M)

Avg Return

-31.63%

Last Filing

2025-12-16

Adways Inc. (2489) has 2 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥3.1B ($20.1M) in reported transaction value. The earliest filing StockDrifts holds for Adways Inc. is dated 2021-12-06; the most recent is 2025-12-16. 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 -31.63%, 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
2025-12-16	BUY	unknown	株式会社博報堂 HAKUHODO INCORPORATED	strategic	2.8M	¥278	+2.2%	¥789M ($5.1M)
2025-12-16	BUY	unknown	株式会社博報堂 HAKUHODO INCORPORATED	strategic	2.8M	¥278	+2.2%	¥789M ($5.1M)
2025-12-16	SELL	unknown	株式会社博報堂DYメディアパートナーズ HAKUHODO DY MEDIA PARTNERS INCORPORATED	strategic	0	¥278	-2.2%	¥789M ($5.1M)
2025-12-16	BUY	unknown	株式会社博報堂DYメディアパートナーズ HAKUHODO DY MEDIA PARTNERS INCORPORATED	strategic	0	¥278	+2.2%	¥789M ($5.1M)
2025-12-16	SELL	unknown	株式会社博報堂DYメディアパートナーズ	strategic	0	¥278	-2.2%	-
2025-12-16	BUY	unknown	株式会社博報堂	strategic	2.8M	¥278	-2.2%	¥806M ($5.2M)
2025-12-16	BUY	unknown	株式会社博報堂DYホールディングス	strategic	3.6M	¥278	-2.2%	¥1.0B ($6.7M)
2025-12-16	BUY	unknown	株式会社博報堂	strategic	2.8M	¥278	-2.2%	¥806M ($5.2M)
2025-12-16	BUY	unknown	株式会社博報堂DYホールディングス	strategic	3.6M	¥278	-2.2%	¥1.0B ($6.7M)
2021-12-06	BUY	unknown	株式会社博報堂DYホールディングス HAKUHODO DY HOLDINGS INCORPORATED	strategic	3.6M	¥821	-65.4%	¥3.0B ($19.3M)
2021-12-06	SELL	unknown	株式会社博報堂DYメディアパートナーズ HAKUHODO DY MEDIA PARTNERS INCORPORATED	strategic	2.8M	¥821	+65.4%	¥21M ($133K)
2021-12-06	SELL	Market Buy	株式会社博報堂DYメディアパートナーズ HAKUHODO DY MEDIA PARTNERS INCORPORATED	unknown	2.8M	¥821	+65.4%	¥21M ($133K)
2021-12-06	BUY	unknown	株式会社博報堂DYメディアパートナーズ HAKUHODO DY MEDIA PARTNERS INCORPORATED	strategic	2.8M	¥821	-65.4%	¥2.3B ($15.0M)
2021-12-06	BUY	Market Buy	株式会社博報堂DYホールディングス HAKUHODO DY HOLDINGS INCORPORATED	strategic	3.6M	¥821	-65.4%	¥3.0B ($19.3M)

Frequently asked questions

Who has been buying Adways Inc. stock?: 3 distinct investors have filed 2 disclosed large-shareholding filings in Adways Inc. (2489), most recently on 2025-12-16. 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 Adways Inc. have?: Adways Inc. has 2 buy-side and 4 sell-side disclosures on record, covering ¥3.1B ($20.1M) in total reported value, spanning 2021-12-06 to 2025-12-16.
Where does StockDrifts get Adways 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 Adways Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.