Who has been buying Saikaya Department Store Co.,Ltd. stock?

6 distinct investors have filed 6 disclosed large-shareholding filings in Saikaya Department Store Co.,Ltd. (8254), 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 Saikaya Department Store Co.,Ltd. have?

Saikaya Department Store Co.,Ltd. has 6 buy-side and 9 sell-side disclosures on record, covering ¥1.0B ($6.6M) in total reported value, spanning 2021-05-26 to 2026-05-13.

Where does StockDrifts get Saikaya Department Store 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.

Saikaya Department Store Co.,Ltd. 8254

Company

株式会社さいか屋Saikaya Department Store Co.,Ltd.

Investors

Buys

Total Value

¥1.0B ($6.6M)

Avg Return

-36.15%

Last Filing

2026-05-13

Saikaya Department Store Co.,Ltd. (8254) has 6 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥1.0B ($6.6M) in reported transaction value. The earliest filing StockDrifts holds for Saikaya Department Store Co.,Ltd. is dated 2021-05-26; 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 -36.15%, 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
2026-06-10	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥253	+10.7%	-
2026-06-10	SELL	private	エボファンド Evo Fund	activist	273.0K	¥253	-10.7%	¥98M ($631K)
2026-06-09	SELL	Market Buy	浅山忠彦 Tadahiko Asayama	passive	703.2K	¥279	-0.4%	¥133M ($860K)
2026-06-09	BUY	Market Buy	浅山忠彦 Tadahiko Asayama	passive	703.2K	¥279	+0.4%	¥133M ($860K)
2026-06-08	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥299	-7.7%	-
2026-06-08	SELL	private	エボファンド Evo Fund	activist	661.8K	¥299	+7.7%	¥26M ($165K)
2026-05-29	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥212	+22.2%	-
2026-05-29	SELL	private	エボファンド Evo Fund	activist	752.8K	¥212	-22.2%	¥17M ($110K)
2026-05-13	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥238	+43.3%	-
2026-05-13	SELL	private	エボファンド Evo Fund	activist	839.6K	¥238	-43.3%	¥16M ($106K)
2026-05-11	SELL	unknown	株式会社AFC-HDアムスライフサイエンス AFC-HD AMS Life Science Co.,Ltd.	corporate	4.5M	¥242	-40.9%	¥24M ($154K)
2026-04-20	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥256	-14.8%	-
2026-04-20	SELL	private	エボファンド Evo Fund	activist	914.7K	¥256	+14.8%	¥21M ($135K)
2026-04-10	SELL	private	エボファンド Evo Fund	activist	1.0M	¥275	+12.7%	¥22M ($141K)
2026-04-10	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥275	-12.7%	-
2026-03-26	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥297	+13.8%	-
2026-03-26	SELL	private	エボファンド Evo Fund	activist	1.1M	¥297	+13.8%	¥280M ($1.8M)
2026-03-09	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥349	+26.6%	-
2026-03-09	BUY	private	エボファンド Evo Fund	activist	1.2M	¥349	-26.6%	¥304M ($2.0M)
2026-03-05	BUY	unknown	株式会社AFC-HDアムスライフサイエンス AFC-HD AMS Life Science Co.,Ltd.	corporate	4.3M	¥372	-31.2%	¥180M ($1.2M)
2026-03-05	BUY	Market Buy	株式会社AFC-HDアムスライフサイエンス AFC-HD AMS Life Science Co.,Ltd.	corporate	4.3M	¥372	-31.2%	¥180M ($1.2M)
2026-03-05	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥372	+31.2%	-
2026-03-05	SELL	private	エボファンド Evo Fund	activist	986.0K	¥372	+31.2%	¥252M ($1.6M)
2026-03-03	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥374	-31.6%	-
2026-03-03	BUY	private	エボファンド Evo Fund	activist	1.2M	¥374	-31.6%	¥304M ($2.0M)
2026-02-19	BUY	unknown	株式会社AFC-HDアムスライフサイエンス AFC-HD AMS Life Science Co.,Ltd.	corporate	3.3M	¥382	-33.0%	¥1.3B ($8.2M)
2026-02-19	BUY	unknown	株式会社AFC-HDアムスライフサイエンス AFC-HD AMS Life Science Co.,Ltd.	corporate	3.3M	¥382	-33.0%	¥1.3B ($8.2M)
2025-10-06	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	287.1K	¥438	+41.5%	¥53M ($343K)
2025-09-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	408.5K	¥583	-56.1%	¥238M ($1.5M)
2025-09-08	SELL	negotiated	京浜急行電鉄株式会社 Keikyu Corporation	strategic	0	¥540	+52.6%	¥497M ($3.2M)
2022-03-28	SELL	negotiated	株式会社横浜銀行 The Bank of Yokohama. Ltd	strategic	133.7K	¥248	-3.2%	¥101M ($648K)
2022-03-28	BUY	negotiated	株式会社横浜銀行 The Bank of Yokohama. Ltd	strategic	133.7K	¥248	+3.2%	¥101M ($648K)
2022-03-25	BUY	acquisition	株式会社AFC-HDアムスライフサイエンス AFC-HD AMS Life Science Co.,Ltd.	corporate	3.3M	¥243	+5.3%	¥807M ($5.2M)
2022-03-25	BUY	acquisition	株式会社AFC-HDアムスライフサイエンス AFC-HD AMS Life Science Co.,Ltd.	corporate	3.3M	¥243	+5.3%	¥360M ($2.3M)
2021-05-26	BUY	acquisition	株式会社AFC-HDアムスライフサイエンス AFC-HD AMS Life Science Co.,Ltd.	corporate	1.8M	¥426	-39.9%	¥783M ($5.0M)

Frequently asked questions

Who has been buying Saikaya Department Store Co.,Ltd. stock?: 6 distinct investors have filed 6 disclosed large-shareholding filings in Saikaya Department Store Co.,Ltd. (8254), 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 Saikaya Department Store Co.,Ltd. have?: Saikaya Department Store Co.,Ltd. has 6 buy-side and 9 sell-side disclosures on record, covering ¥1.0B ($6.6M) in total reported value, spanning 2021-05-26 to 2026-05-13.
Where does StockDrifts get Saikaya Department Store 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 Saikaya Department Store Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.