Who has been buying Nippon Dry-Chemical Co., Ltd. stock?

4 distinct investors have filed 7 disclosed large-shareholding filings in Nippon Dry-Chemical Co., Ltd. (1909), 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 Nippon Dry-Chemical Co., Ltd. have?

Nippon Dry-Chemical Co., Ltd. has 7 buy-side and 3 sell-side disclosures on record, covering ¥1.4B ($8.8M) in total reported value, spanning 2021-08-06 to 2026-05-11.

Where does StockDrifts get Nippon Dry-Chemical 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.

Nippon Dry-Chemical Co., Ltd. 1909

Company

日本ドライケミカル株式会社Nippon Dry-Chemical Co., Ltd.

Investors

Buys

Total Value

¥1.4B ($8.8M)

Avg Return

+197.70%

Last Filing

2026-05-11

Nippon Dry-Chemical Co., Ltd. (1909) has 7 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥1.4B ($8.8M) in reported transaction value. The earliest filing StockDrifts holds for Nippon Dry-Chemical Co., Ltd. is dated 2021-08-06; 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 +197.70%, 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
2026-07-29	BUY	Market Buy	クレディアンドスリエルエコメルシアル(CREDIT INDUSTRIEL ET COMMERCIAL) CREDIT INDUSTRIEL ET COMMERCIAL	passive	1.8M	¥3,695	+0.3%	¥1.2B ($7.6M)
2026-07-17	BUY	Market Buy	クレディアンドスリエルエコメルシアル(CREDIT INDUSTRIEL ET COMMERCIAL) CREDIT INDUSTRIEL ET COMMERCIAL	passive	1.5M	¥3,690	+0.4%	¥5.4B ($35.1M)
2026-07-16	SELL	unknown	NEUBERGER BERMAN TAIWANLIMITED SITE	activist	55.0K	¥3,690	-0.4%	¥530M ($3.4M)
2026-07-16	SELL	unknown	ニューバーガー・バーマン株式会社	activist	485.8K	¥3,690	-0.4%	¥7.2B ($46.4M)
2026-07-07	SELL	unknown	野村アセットマネジメント株式会社	unknown	0	¥3,695	+0.0%	¥510M ($3.3M)
2026-07-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	437.3K	¥3,695	+0.0%	¥2.0B ($12.9M)
2026-07-07	SELL	unknown	野村證券株式会社	other	70.1K	¥3,695	+0.0%	¥1.6B ($10.4M)
2026-07-06	BUY	acquisition	ALSOK株式会社	activist	4.4M	¥3,695	+0.0%	¥16.3B ($104.9M)
2026-07-06	BUY	acquisition	TCG2511株式会社	activist	14.2M	¥3,695	+0.0%	¥52.3B ($337.6M)
2026-07-01	BUY	unknown	NEUBERGER BERMAN TAIWANLIMITED SITE	activist	199.0K	¥3,695	-0.1%	¥735M ($4.7M)
2026-07-01	BUY	Market Buy	ニューバーガー・バーマン株式会社	activist	2.4M	¥3,695	-0.1%	¥2.1B ($13.8M)
2026-06-26	BUY	unknown	NEUBERGER BERMAN TAIWANLIMITED SITE	activist	199.0K	¥3,720	-0.8%	¥740M ($4.8M)
2026-06-26	BUY	Market Buy	ニューバーガー・バーマン株式会社	activist	2.4M	¥3,720	-0.8%	¥2.2B ($13.9M)
2026-06-04	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	1.0M	¥3,730	+0.9%	¥1.7B ($10.8M)
2026-06-04	BUY	unknown	野村アセットマネジメント株式会社	other	136.6K	¥3,730	-0.9%	¥510M ($3.3M)
2026-06-04	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	979.4K	¥3,730	-0.9%	¥3.7B ($23.6M)
2026-06-04	BUY	unknown	野村證券株式会社	other	506.2K	¥3,730	-0.9%	¥1.9B ($12.2M)
2026-06-01	BUY	Market Buy	NEUBERGER BERMAN TAIWANLIMITED SITE	other	199.0K	¥3,750	-0.8%	¥506M ($3.3M)
2026-06-01	BUY	Market Buy	ニューバーガー・バーマン株式会社	activist	1.9M	¥3,750	-0.8%	¥959M ($6.2M)
2026-06-01	BUY	Market Buy	NEUBERGER BERMAN TAIWANLIMITED SITE	activist	199.0K	¥3,750	-0.8%	¥506M ($3.3M)
2026-06-01	BUY	Market Buy	ニューバーガー・バーマン株式会社	activist	1.9M	¥3,750	-0.8%	¥959M ($6.2M)
2026-05-18	BUY	private	ALSOK株式会社 ALSOK CO.,LTD.	activist	4.4M	¥3,730	+0.8%	¥16.4B ($105.9M)
2026-05-11	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	1.5M	¥3,245	-14.9%	¥1.1B ($7.1M)
2025-12-22	SELL	Market Buy	SMBC日興証券株式会社	other	1.7K	¥2,267.5	-14.3%	¥4M ($29K)
2025-12-22	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	451.7K	¥2,267.5	+14.3%	¥1.2B ($7.6M)
2025-12-16	BUY	unknown	NEUBERGER BERMAN TAIWANLIMITED SITE	other	15.6K	¥2,340	+10.7%	¥40M ($261K)
2025-12-16	BUY	unknown	ニューバーガー・バーマン株式会社	other	399.8K	¥2,340	+10.7%	¥1.0B ($6.7M)
2024-10-22	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	14.1K	¥810	+219.9%	¥11M ($74K)
2024-10-22	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	355.5K	¥810	+219.9%	¥288M ($1.9M)
2022-04-07	BUY	unknown	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	296.8K	¥429.75	+502.9%	¥128M ($823K)
2022-04-07	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	60.3K	¥429.75	-502.9%	¥52M ($337K)
2021-08-06	BUY	unknown	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	296.7K	¥467.5	+454.2%	¥139M ($895K)
2021-08-06	BUY	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	181.8K	¥467.5	+454.2%	¥85M ($548K)

Frequently asked questions

Who has been buying Nippon Dry-Chemical Co., Ltd. stock?: 4 distinct investors have filed 7 disclosed large-shareholding filings in Nippon Dry-Chemical Co., Ltd. (1909), 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 Nippon Dry-Chemical Co., Ltd. have?: Nippon Dry-Chemical Co., Ltd. has 7 buy-side and 3 sell-side disclosures on record, covering ¥1.4B ($8.8M) in total reported value, spanning 2021-08-06 to 2026-05-11.
Where does StockDrifts get Nippon Dry-Chemical 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 Nippon Dry-Chemical Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.