Who has been buying Sugimura Warehouse Co., Ltd. stock?

8 distinct investors have filed 39 disclosed large-shareholding filings in Sugimura Warehouse Co., Ltd. (9307), most recently on 2026-04-08. 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 Sugimura Warehouse Co., Ltd. have?

Sugimura Warehouse Co., Ltd. has 39 buy-side and 47 sell-side disclosures on record, covering ¥12.9B ($83.0M) in total reported value, spanning 2021-04-02 to 2026-04-08.

Where does StockDrifts get Sugimura Warehouse 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.

Sugimura Warehouse Co., Ltd. 9307

Company

株式会社杉村倉庫Sugimura Warehouse Co., Ltd.

Investors

Buys

Total Value

¥12.9B ($83.0M)

Avg Return

+56.44%

Last Filing

2026-04-08

Sugimura Warehouse Co., Ltd. (9307) has 39 disclosed large-shareholding filings and 47 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥12.9B ($83.0M) in reported transaction value. The earliest filing StockDrifts holds for Sugimura Warehouse Co., Ltd. is dated 2021-04-02; the most recent is 2026-04-08. 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 +56.44%, 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
2026-06-16	BUY	unknown	オールド・ピーク・リミテッド Old Peak Limited	activist	0	¥926	+7.3%	-
2026-06-16	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	activist	1.7M	¥926	+7.3%	¥154M ($991K)
2026-04-08	BUY	negotiated	野村プロパティーズ株式会社	strategic	7.5M	¥1,066	-4.3%	¥8.0B ($51.9M)
2026-04-08	SELL	negotiated	野村ホールディングス株式会社	strategic	100	¥1,066	+4.3%	¥761M ($4.9M)
2026-04-08	BUY	negotiated	野村證券株式会社	other	726.9K	¥1,066	-4.3%	¥775M ($5.0M)
2026-04-03	BUY	Market Buy	野村プロパティーズ株式会社	strategic	7.5M	¥1,037	-1.5%	¥7.8B ($50.5M)
2026-04-03	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	2.6K	¥1,037	+1.5%	¥2M ($11K)
2026-04-03	BUY	Market Buy	野村ホールディングス株式会社	strategic	715.0K	¥1,037	-1.5%	¥741M ($4.8M)
2026-04-03	SELL	Market Buy	野村證券株式会社	other	13.1K	¥1,037	+1.5%	¥814M ($5.3M)
2025-12-22	BUY	Market Buy	リム・アドバイザーズ・リミテッド(LIM Advisors Limited) LIM Advisors Limited	passive	985.7K	¥986	+9.7%	¥972M ($6.3M)
2025-11-04	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	passive	1.5M	¥961	+12.6%	¥167M ($1.1M)
2025-11-04	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	passive	0	¥961	+12.6%	-
2025-10-08	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	5.7K	¥955	+13.3%	¥6M ($40K)
2025-10-08	SELL	Market Buy	野村ホールディングス株式会社 Nomura Holdings, Inc.	strategic	100	¥955	-13.3%	¥682M ($4.4M)
2025-10-08	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	798.2K	¥955	+13.3%	¥682M ($4.4M)
2025-10-08	BUY	Market Buy	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	strategic	7.5M	¥955	+13.3%	¥7.2B ($46.5M)
2025-10-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-1.2K	¥972	-11.3%	¥70M ($453K)
2025-10-06	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	83.3K	¥972	-11.3%	¥640M ($4.1M)
2025-10-06	BUY	unknown	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	strategic	7.5M	¥972	+11.3%	¥7.3B ($47.3M)
2025-10-06	BUY	unknown	野村ホールディングス株式会社 Nomura Holdings, Inc.	strategic	715.0K	¥972	+11.3%	¥694M ($4.5M)
2025-08-07	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	passive	1.3M	¥841	+28.7%	¥141M ($909K)
2025-08-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	741.9K	¥841	-28.7%	¥131M ($846K)
2025-08-07	BUY	unknown	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	strategic	7.5M	¥841	+28.7%	¥6.3B ($40.9M)
2025-08-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	70.5K	¥841	-28.7%	¥829M ($5.3M)
2025-08-07	BUY	unknown	野村ホールディングス株式会社 Nomura Holdings, Inc.	strategic	100	¥841	+28.7%	¥84K ($543)
2025-08-07	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	passive	0	¥841	+28.7%	-
2025-05-27	BUY	Market Buy	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	strategic	7.5M	¥774	+39.8%	¥5.8B ($37.7M)
2025-05-27	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	79.9K	¥774	+39.8%	¥6.0B ($38.9M)
2025-05-27	BUY	Market Buy	野村ホールディングス株式会社 Nomura Holdings, Inc.	strategic	100	¥774	+39.8%	¥77K ($499)
2025-05-27	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	898.6K	¥774	+39.8%	¥142M ($918K)
2025-05-26	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	260.1K	¥762	+42.0%	¥198M ($1.3M)
2025-05-26	BUY	Market Buy	野村ホールディングス株式会社 Nomura Holdings, Inc.	strategic	100	¥762	+42.0%	¥76K ($492)
2025-05-26	BUY	Market Buy	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	strategic	7.5M	¥762	+42.0%	¥5.7B ($37.1M)
2025-05-26	SELL	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	715.0K	¥762	-42.0%	¥9M ($57K)
2025-04-10	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	passive	1.2M	¥709	+52.6%	¥120M ($774K)
2025-04-10	BUY	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	1.2M	¥709	+52.6%	¥120M ($774K)
2025-04-10	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	passive	0	¥709	+52.6%	-
2025-04-08	BUY	Market Buy	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	strategic	7.5M	¥679	+59.4%	¥5.1B ($33.0M)
2025-04-08	SELL	Market Buy	野村ホールディングス株式会社 Nomura Holdings, Inc.	strategic	100	¥679	-59.4%	¥485M ($3.1M)
2025-04-08	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	726.2K	¥679	+59.4%	¥493M ($3.2M)
2025-04-04	BUY	unknown	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	strategic	7.5M	¥709	+52.6%	¥5.3B ($34.5M)
2025-04-04	BUY	unknown	野村ホールディングス株式会社 Nomura Holdings, Inc.	strategic	715.0K	¥709	+52.6%	¥506M ($3.3M)
2025-04-04	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.2K	¥709	-52.6%	¥404M ($2.6M)
2025-02-05	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	passive	0	¥719	+50.5%	-
2025-02-05	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	passive	1.0M	¥719	+50.5%	¥129M ($830K)
2025-02-05	BUY	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.) Old Peak Group Ltd.	passive	1.0M	¥719	+50.5%	¥129M ($830K)
2024-12-10	BUY	Market Buy	オールド・ピーク・リミテッド Old Peak Limited	passive	0	¥629	+72.0%	-
2024-12-10	BUY	Market Buy	オールド・ピーク・グループ・リミテッド(Old Peak Group Ltd.). Old Peak Group Ltd.	passive	822.1K	¥629	+72.0%	¥517M ($3.3M)
2024-12-10	BUY	Market Buy	オールド・ピーク・グループ・リミテッド Old Peak Group Ltd.	passive	822.1K	¥629	+72.0%	¥517M ($3.3M)
2024-10-08	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	733.3K	¥608	+78.0%	¥433M ($2.8M)

Showing the 50 most recent of 144 filings.

Frequently asked questions

Who has been buying Sugimura Warehouse Co., Ltd. stock?: 8 distinct investors have filed 39 disclosed large-shareholding filings in Sugimura Warehouse Co., Ltd. (9307), most recently on 2026-04-08. 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 Sugimura Warehouse Co., Ltd. have?: Sugimura Warehouse Co., Ltd. has 39 buy-side and 47 sell-side disclosures on record, covering ¥12.9B ($83.0M) in total reported value, spanning 2021-04-02 to 2026-04-08.
Where does StockDrifts get Sugimura Warehouse 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 Sugimura Warehouse Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.