Who has been buying Valqua, Ltd. stock?

9 distinct investors have filed 18 disclosed large-shareholding filings in Valqua, Ltd. (7995), most recently on 2026-04-06. 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 Valqua, Ltd. have?

Valqua, Ltd. has 18 buy-side and 9 sell-side disclosures on record, covering ¥10.2B ($65.8M) in total reported value, spanning 2021-04-07 to 2026-04-06.

Where does StockDrifts get Valqua, 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.

Valqua, Ltd. 7995

Company

株式会社バルカーValqua, Ltd.

Investors

Buys

Total Value

¥10.2B ($65.8M)

Avg Return

+67.48%

Last Filing

2026-04-06

Valqua, Ltd. (7995) has 18 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥10.2B ($65.8M) in reported transaction value. The earliest filing StockDrifts holds for Valqua, Ltd. is dated 2021-04-07; the most recent is 2026-04-06. 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 +67.48%, 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
2026-07-22	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	246.7K	¥6,500	-6.2%	¥522M ($3.4M)
2026-07-22	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社	other	462.9K	¥6,500	-6.2%	¥814M ($5.3M)
2026-07-22	BUY	negotiated	三井住友信託銀行株式会社	strategic	400.0K	¥6,500	+6.2%	¥2.6B ($16.8M)
2026-06-04	BUY	negotiated	三井住友信託銀行株式会社	strategic	400.0K	¥8,050	-11.9%	¥3.2B ($20.8M)
2026-06-04	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	327.5K	¥8,050	-11.9%	¥15M ($97K)
2026-06-04	BUY	Market Buy	三井住友トラスト・アセットマネジメント株式会社	other	588.0K	¥8,050	-11.9%	¥60M ($388K)
2026-04-06	BUY	negotiated	アモーヴァ・アセットマネジメント株式会社	other	325.7K	¥4,975	+14.6%	¥28M ($180K)
2026-04-06	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社	other	580.9K	¥4,975	+14.6%	¥1.1B ($6.8M)
2026-04-06	BUY	negotiated	三井住友信託銀行株式会社	strategic	400.0K	¥4,975	+14.6%	¥2.0B ($12.8M)
2026-04-01	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	1.6M	¥4,855	+19.7%	¥1.0B ($6.5M)
2025-12-19	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	319.9K	¥3,930	+41.2%	¥1.8B ($11.5M)
2025-12-19	SELL	Market Buy	三井住友トラスト・アセットマネジメント株式会社	other	369.5K	¥3,930	-41.2%	¥2.1B ($13.2M)
2025-12-19	BUY	Market Buy	三井住友信託銀行株式会社	strategic	400.0K	¥3,930	-41.2%	¥2.2B ($14.3M)
2025-11-27	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	1.4M	¥3,975	+39.6%	¥810M ($5.2M)
2025-11-12	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	1.2M	¥3,960	+40.1%	¥799M ($5.2M)
2025-11-04	BUY	Market Buy	グランサム、マヨ、ヴァンオッテルローアンドカンパニーエルエルシー(Grantham, Mayo, Van Otterloo & Co. LLC) Grantham, Mayo, Van Otterloo & Co. LLC	activist	952.2K	¥4,000	+38.8%	¥3.8B ($24.6M)
2025-09-19	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	272.1K	¥3,795	+46.3%	¥142M ($915K)
2025-09-19	SELL	Market Buy	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	402.2K	¥3,795	-46.3%	¥28M ($183K)
2025-09-19	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	400.0K	¥3,795	+46.3%	¥1.5B ($9.8M)
2025-07-04	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	236.2K	¥3,040	+82.6%	¥11M ($73K)
2025-07-04	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	409.0K	¥3,040	-82.6%	¥619M ($4.0M)
2025-07-04	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	400.0K	¥3,040	+82.6%	¥1.2B ($7.8M)
2025-02-21	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	537.9K	¥3,300	+68.2%	¥1.8B ($11.5M)
2025-02-21	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	642.8K	¥3,300	+68.2%	¥660M ($4.3M)
2024-02-22	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	443.3K	¥4,495	+23.5%	¥2.0B ($12.9M)
2024-02-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	537.9K	¥4,495	+23.5%	¥2.4B ($15.6M)
2023-07-21	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	231.9K	¥3,795	-46.3%	¥177M ($1.1M)
2023-07-21	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	613.6K	¥3,795	-46.3%	¥539M ($3.5M)
2023-07-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	400.0K	¥3,795	+46.3%	¥1.5B ($9.8M)
2022-10-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	660.7K	¥2,623	+111.6%	¥1.7B ($11.1M)
2022-10-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	20.6K	¥2,623	-111.6%	¥196M ($1.3M)
2022-09-26	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	537.9K	¥2,557	+117.0%	¥1.4B ($8.9M)
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	332.8K	¥2,557	-117.0%	¥511M ($3.3M)
2022-07-06	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	278.3K	¥2,512	+120.9%	¥160M ($1.0M)
2022-07-06	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	754.1K	¥2,512	+120.9%	¥343M ($2.2M)
2022-07-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	400.0K	¥2,512	+120.9%	¥1.0B ($6.5M)
2021-11-04	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	839.6K	¥2,485	+123.3%	¥2.1B ($13.5M)
2021-11-04	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	95.1K	¥2,485	+123.3%	¥236M ($1.5M)
2021-10-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	537.9K	¥2,119	+161.9%	¥1.1B ($7.4M)
2021-10-22	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	6.7K	¥2,119	+161.9%	¥1.4B ($9.4M)
2021-10-22	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	533.2K	¥2,119	-161.9%	¥261M ($1.7M)
2021-04-07	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	64.1K	¥2,190	+153.4%	¥140M ($906K)
2021-04-07	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	537.9K	¥2,190	+153.4%	¥1.2B ($7.6M)
2021-04-07	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	656.0K	¥2,190	-153.4%	¥532M ($3.4M)

Frequently asked questions

Who has been buying Valqua, Ltd. stock?: 9 distinct investors have filed 18 disclosed large-shareholding filings in Valqua, Ltd. (7995), most recently on 2026-04-06. 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 Valqua, Ltd. have?: Valqua, Ltd. has 18 buy-side and 9 sell-side disclosures on record, covering ¥10.2B ($65.8M) in total reported value, spanning 2021-04-07 to 2026-04-06.
Where does StockDrifts get Valqua, 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 Valqua, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.