Who has been buying Solasto Corporation stock?

13 distinct investors have filed 15 disclosed large-shareholding filings in Solasto Corporation (6197), most recently on 2026-05-11. 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 Solasto Corporation have?

Solasto Corporation has 15 buy-side and 19 sell-side disclosures on record, covering ¥15.1B ($97.3M) in total reported value, spanning 2021-10-06 to 2026-05-11.

Where does StockDrifts get Solasto Corporation 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.

Solasto Corporation 6197

Company

株式会社ソラストSolasto Corporation

Investors

Buys

Total Value

¥15.1B ($97.3M)

Avg Return

+8.24%

Last Filing

2026-05-11

Solasto Corporation (6197) has 15 disclosed large-shareholding filings and 19 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥15.1B ($97.3M) in reported transaction value. The earliest filing StockDrifts holds for Solasto Corporation is dated 2021-10-06; the most recent is 2026-05-11. 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 +8.24%, 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
2026-06-05	SELL	unknown	ユービーエス・エイ・ジー(銀行)	other	506.4K	¥1,111	+0.1%	¥3.7B ($23.9M)
2026-06-05	SELL	unknown	UBS Securities LLC	other	0	¥1,111	+0.1%	¥1.8B ($11.3M)
2026-05-22	SELL	unknown	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	86.1K	¥1,111	+0.2%	¥905M ($5.8M)
2026-05-22	SELL	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	94.8K	¥1,111	+0.2%	¥147M ($951K)
2026-05-22	SELL	unknown	モルガン・スタンレーMUFG証券株式会社	other	318.5K	¥1,111	+0.2%	¥4.7B ($30.5M)
2026-05-21	BUY	Market Buy	野村アセットマネジメント株式会社	other	1.3M	¥1,111	+0.0%	¥116M ($747K)
2026-05-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	485.4K	¥1,111	+0.0%	¥3.6B ($23.1M)
2026-05-21	SELL	unknown	野村證券株式会社	other	4.8K	¥1,111	+0.0%	¥221M ($1.4M)
2026-05-19	BUY	unknown	ソラスト従業員持株会理事長竹中豪	other	2.3M	¥1,113	-0.2%	¥2.6B ($16.7M)
2026-05-19	BUY	negotiated	野田亨	activist	92.5K	¥1,113	-0.2%	¥103M ($664K)
2026-05-19	BUY	private	MP-2605株式会社	activist	48.4M	¥1,113	-0.2%	¥53.8B ($347.4M)
2026-05-18	BUY	private	大東建託株式会社 DAITO TRUST CONSTRUCTION CO.,LTD.	activist	31.8M	¥1,111	+0.0%	¥35.3B ($228.0M)
2026-05-18	BUY	unknown	ソラスト従業員持株会理事長竹中豪	other	2.3M	¥1,111	+0.0%	¥2.6B ($16.6M)
2026-05-18	BUY	negotiated	野田亨	activist	92.5K	¥1,111	+0.0%	¥103M ($663K)
2026-05-18	BUY	private	MP-2605株式会社	activist	48.4M	¥1,111	+0.0%	¥53.7B ($346.7M)
2026-05-11	SELL	unknown	野村アセットマネジメント株式会社	other	1.2M	¥1,114	+0.3%	¥63M ($409K)
2026-05-11	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	3.7M	¥1,114	+0.3%	¥3.9B ($25.3M)
2026-05-11	SELL	unknown	野村證券株式会社	other	206.1K	¥1,114	+0.3%	¥106M ($681K)
2026-05-08	BUY	Market Buy	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	899.9K	¥1,111	+0.0%	¥74M ($475K)
2026-05-08	BUY	Market Buy	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	231.5K	¥1,111	+0.0%	¥42M ($272K)
2026-05-08	BUY	Market Buy	モルガン・スタンレーMUFG証券株式会社	other	4.6M	¥1,111	+0.0%	¥53M ($340K)
2026-04-22	BUY	unknown	UBS Securities LLC	other	1.6M	¥1,116	+0.0%	¥1.8B ($11.4M)
2026-04-22	BUY	Market Buy	ユービーエス・エイ・ジー(銀行)	other	3.8M	¥1,116	+0.0%	¥476M ($3.1M)
2026-04-21	BUY	Market Buy	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	831.8K	¥1,116	-0.3%	¥708M ($4.6M)
2026-04-21	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	193.8K	¥1,116	-0.3%	¥216M ($1.4M)
2026-04-21	SELL	unknown	モルガン・スタンレーMUFG証券株式会社	other	4.5M	¥1,116	+0.3%	¥592M ($3.8M)
2026-04-07	BUY	unknown	UBS Securities LLC	other	1.6M	¥1,116	+0.3%	¥1.8B ($11.4M)
2026-04-07	BUY	unknown	ユービーエス・エイ・ジー(銀行)	other	3.4M	¥1,116	+0.3%	¥3.8B ($24.5M)
2026-04-06	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	200.5K	¥1,116	+0.3%	¥224M ($1.4M)
2026-04-06	BUY	unknown	モルガン・スタンレーMUFG証券株式会社	other	5.1M	¥1,116	+0.3%	¥5.6B ($36.4M)
2026-04-03	BUY	Market Buy	野村證券株式会社	other	302.4K	¥1,116	+0.3%	¥180M ($1.2M)
2026-04-03	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	7.2M	¥1,116	+0.3%	¥2.5B ($16.1M)
2026-04-03	SELL	Market Buy	野村アセットマネジメント株式会社	other	1.2M	¥1,116	-0.3%	¥328M ($2.1M)
2026-03-31	SELL	private	大東建託株式会社 DAITO TRUST CONSTRUCTION CO.,LTD.	activist	31.8M	¥1,115	-0.2%	¥4.2B ($26.8M)
2026-03-25	BUY	unknown	大東建託株式会社 DAITO TRUST CONSTRUCTION CO.,LTD.	strategic	31.8M	¥1,104	+1.1%	¥3.6B ($22.9M)
2026-03-25	SELL	unknown	大東建託株式会社 DAITO TRUST CONSTRUCTION CO.,LTD.	strategic	31.8M	¥1,104	-1.1%	¥3.6B ($22.9M)
2026-03-03	BUY	unknown	野村アセットマネジメント株式会社	other	1.5M	¥995	+12.2%	¥1.7B ($11.0M)
2026-03-03	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	5.0M	¥995	+12.2%	¥5.6B ($35.9M)
2026-03-03	SELL	unknown	野村證券株式会社	other	137.9K	¥995	-12.2%	¥154M ($993K)
2026-02-05	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	5.4M	¥958	+16.5%	¥5.2B ($33.4M)
2024-02-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	813.3K	¥527	-111.8%	¥325M ($2.1M)
2024-02-21	SELL	unknown	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	3.2M	¥527	-111.8%	¥210M ($1.4M)
2023-09-22	SELL	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.4M	¥616	-81.2%	¥630M ($4.1M)
2023-09-22	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 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	3.6M	¥616	+81.2%	¥403M ($2.6M)
2023-02-22	SELL	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	4.7M	¥670	-66.6%	¥837M ($5.4M)
2023-02-07	SELL	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	5.9M	¥675	-65.3%	¥722M ($4.7M)
2023-01-11	SELL	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	7.0M	¥684	-63.2%	¥1.2B ($7.6M)
2022-06-21	SELL	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	8.7M	¥641	-74.1%	¥703M ($4.5M)
2022-06-03	SELL	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	9.8M	¥711	-57.0%	¥679M ($4.4M)
2022-03-23	SELL	unknown	東邦ホールディングス株式会社 TOHO HOLDINGS CO.,LTD.	strategic	4.7M	¥949	-17.6%	¥1.4B ($9.0M)

Showing the 50 most recent of 52 filings.

Frequently asked questions

Who has been buying Solasto Corporation stock?: 13 distinct investors have filed 15 disclosed large-shareholding filings in Solasto Corporation (6197), most recently on 2026-05-11. 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 Solasto Corporation have?: Solasto Corporation has 15 buy-side and 19 sell-side disclosures on record, covering ¥15.1B ($97.3M) in total reported value, spanning 2021-10-06 to 2026-05-11.
Where does StockDrifts get Solasto Corporation 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 Solasto Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.