Who has been buying ShinMaywa Industries, Ltd. stock?

5 distinct investors have filed 9 disclosed large-shareholding filings in ShinMaywa Industries, Ltd. (7224), most recently on 2026-05-12. 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 ShinMaywa Industries, Ltd. have?

ShinMaywa Industries, Ltd. has 9 buy-side and 4 sell-side disclosures on record, covering ¥15.2B ($98.1M) in total reported value, spanning 2021-12-15 to 2026-05-12.

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.

ShinMaywa Industries, Ltd. 7224

Company

新明和工業株式会社ShinMaywa Industries, Ltd.

Investors

Buys

Total Value

¥15.2B ($98.1M)

Avg Return

+59.81%

Last Filing

2026-05-12

ShinMaywa Industries, Ltd. (7224) has 9 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥15.2B ($98.1M) in reported transaction value. The earliest filing StockDrifts holds for ShinMaywa Industries, Ltd. is dated 2021-12-15; the most recent is 2026-05-12. Across these filings the average return since disclosure is +59.81%, 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
2026-05-12	BUY	Market Buy	野村證券株式会社	other	363.3K	¥2,526	-22.4%	¥265M ($1.7M)
2026-05-12	BUY	Market Buy	野村アセットマネジメント株式会社	other	4.2M	¥2,526	-22.4%	¥1.8B ($11.3M)
2026-04-07	BUY	unknown	野村證券株式会社	other	257.5K	¥2,445	-19.8%	¥630M ($4.1M)
2026-04-07	BUY	unknown	野村アセットマネジメント株式会社	other	3.5M	¥2,445	-19.8%	¥8.5B ($54.6M)
2024-03-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	3.0M	¥1,229	-59.5%	¥895M ($5.8M)
2023-12-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	3.8M	¥1,169	+67.7%	¥4.3B ($28.1M)
2023-12-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	15.6K	¥1,169	+67.7%	¥1.5B ($9.8M)
2023-08-07	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	4.5M	¥1,299	+50.9%	¥1.1B ($7.2M)
2023-08-07	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	98.2K	¥1,299	-	¥128M ($823K)
2023-06-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	3.7M	¥1,362	+43.9%	¥5.0B ($32.4M)
2023-06-08	SELL	negotiated	三信株式会社 Sanshin Co.,Ltd	strategic	7.1M	¥1,281	-53.0%	¥915M ($5.9M)
2022-10-20	SELL	negotiated	三信株式会社 Sanshin Co.,Ltd	strategic	7.8M	¥1,026	-91.0%	¥718M ($4.6M)
2021-12-15	SELL	negotiated	三信株式会社 Sanshin Co.,Ltd	strategic	8.5M	¥871	-125.0%	¥610M ($3.9M)
2021-12-15	BUY	Market Buy	三信株式会社 Sanshin Co.,Ltd	strategic	9.2M	¥871	+125.0%	¥2.4B ($15.2M)

Frequently asked questions

Who has been buying ShinMaywa Industries, Ltd. stock?: 5 distinct investors have filed 9 disclosed large-shareholding filings in ShinMaywa Industries, Ltd. (7224), most recently on 2026-05-12. 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 ShinMaywa Industries, Ltd. have?: ShinMaywa Industries, Ltd. has 9 buy-side and 4 sell-side disclosures on record, covering ¥15.2B ($98.1M) in total reported value, spanning 2021-12-15 to 2026-05-12.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.