Who has been buying OSAKA Titanium technologies Co.,Ltd. stock?

29 distinct investors have filed 115 disclosed large-shareholding filings in OSAKA Titanium technologies Co.,Ltd. (5726), 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 OSAKA Titanium technologies Co.,Ltd. have?

OSAKA Titanium technologies Co.,Ltd. has 115 buy-side and 69 sell-side disclosures on record, covering ¥113.1B ($729.8M) in total reported value, spanning 2021-03-22 to 2026-05-11.

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.

OSAKA Titanium technologies Co.,Ltd. 5726

Company

株式会社大阪チタニウムテクノロジーズOSAKA Titanium technologies Co.,Ltd.

Investors

Buys

115

Total Value

¥113.1B ($729.8M)

Avg Return

+9.41%

Last Filing

2026-05-11

OSAKA Titanium technologies Co.,Ltd. (5726) has 115 disclosed large-shareholding filings and 69 disclosed disposals on record, filed by 29 distinct investors. Together those filings cover ¥113.1B ($729.8M) in reported transaction value. The earliest filing StockDrifts holds for OSAKA Titanium technologies Co.,Ltd. is dated 2021-03-22; the most recent is 2026-05-11. Across these filings the average return since disclosure is +9.41%, 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
2026-09-25	SELL	unknown	野村アセットマネジメント株式会社	other	2.6M	¥2,422	+0.0%	¥265M ($1.7M)
2026-09-25	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	44.8K	¥2,422	+0.0%	¥912M ($5.9M)
2026-09-25	SELL	unknown	野村證券株式会社	other	633.0K	¥2,422	+0.0%	¥244M ($1.6M)
2026-09-15	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	4.7M	¥2,404	-0.8%	¥2.0B ($13.0M)
2026-09-15	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	750.1K	¥2,404	-0.8%	¥284M ($1.8M)
2026-09-02	SELL	negotiated	株式会社神戸製鋼所 Kobe Steel, Ltd.	strategic	3.0M	¥2,720	+11.0%	¥130M ($840K)
2026-09-01	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	4.6M	¥2,700	-10.3%	¥1.1B ($7.0M)
2026-09-01	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	729.2K	¥2,700	+10.3%	¥238M ($1.5M)
2026-08-06	BUY	Market Buy	野村證券株式会社	other	619.3K	¥3,180	-23.8%	¥480M ($3.1M)
2026-08-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	353.3K	¥3,180	+23.8%	¥1.1B ($6.9M)
2026-08-06	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.2M	¥3,180	-23.8%	¥176M ($1.1M)
2026-06-04	SELL	unknown	野村證券株式会社	other	466.8K	¥2,915	+16.9%	¥569M ($3.7M)
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	687.5K	¥2,915	-	¥2.0B ($12.9M)
2026-06-04	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.2M	¥2,915	-16.9%	¥483M ($3.1M)
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	-55.0K	¥2,648	-7.6%	¥458M ($3.0M)
2026-05-11	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.0M	¥2,648	-8.5%	¥68M ($440K)
2026-05-11	BUY	Market Buy	野村證券株式会社	other	662.3K	¥2,648	-8.5%	¥848M ($5.5M)
2026-04-20	SELL	unknown	野村證券株式会社	other	343.2K	¥2,718	+10.9%	¥2.1B ($13.4M)
2026-04-20	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	117.4K	¥2,718	-10.9%	¥370M ($2.4M)
2026-04-20	SELL	unknown	野村アセットマネジメント株式会社	other	2.0M	¥2,718	+10.9%	¥20M ($129K)
2026-04-06	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	-18.3K	¥2,668	+4.4%	¥1.2B ($7.9M)
2026-04-06	BUY	Market Buy	野村證券株式会社	other	1.1M	¥2,668	-9.2%	¥1.0B ($6.7M)
2026-04-06	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.0M	¥2,668	-9.2%	¥20M ($127K)
2026-03-27	SELL	negotiated	株式会社神戸製鋼所 Kobe Steel, Ltd.	strategic	3.0M	¥2,760	+12.3%	¥1.3B ($8.6M)
2026-03-17	BUY	Market Buy	野村證券株式会社	other	716.5K	¥2,398	+1.0%	¥221M ($1.4M)
2026-03-17	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	441.1K	¥2,398	+1.0%	¥485M ($3.1M)
2026-03-17	BUY	Market Buy	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	unknown	0	¥2,398	-	-
2026-03-17	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.0M	¥2,398	+1.0%	¥88M ($569K)
2026-03-04	BUY	Market Buy	マラソン・アセット・マネジメント・リミテッド(Marathon Asset Management Limited) Marathon Asset Management Limited	other	3.2M	¥2,875	-15.8%	¥1.6B ($10.1M)
2026-02-24	SELL	negotiated	株式会社神戸製鋼所 Kobe Steel, Ltd.	strategic	3.5M	¥2,805	+13.7%	¥1.1B ($6.9M)
2026-02-19	BUY	Market Buy	野村證券株式会社	other	624.2K	¥2,751	-12.0%	¥830M ($5.4M)
2026-02-19	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	239.2K	¥2,751	-12.0%	¥10M ($65K)
2026-02-19	BUY	Market Buy	野村アセットマネジメント株式会社	other	2.0M	¥2,751	-12.0%	¥20M ($131K)
2026-02-19	BUY	Market Buy	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,751	-	-
2026-02-18	BUY	unknown	マラソン・アセット・マネジメント・リミテッド(Marathon Asset Management Limited) Marathon Asset Management Limited	other	2.7M	¥2,728	-11.2%	¥7.2B ($46.7M)
2026-02-05	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.5M	¥2,669	+9.3%	¥393M ($2.5M)
2026-02-05	SELL	unknown	モルガン・スタンレーＭＵＦＧ証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	1.3M	¥2,669	+9.3%	¥1.7B ($11.3M)
2026-01-21	BUY	unknown	モルガン・スタンレーMUFG証券株式会社	other	415.8K	¥2,312	+4.8%	¥961M ($6.2M)
2026-01-21	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	1.3M	¥2,312	+4.8%	¥3.0B ($19.3M)
2026-01-21	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	229.0K	¥2,312	+4.8%	¥530M ($3.4M)
2026-01-08	BUY	Market Buy	野村證券株式会社	other	356.6K	¥2,273	+6.6%	¥577M ($3.7M)
2026-01-08	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	451.2K	¥2,273	+6.6%	¥393M ($2.5M)
2026-01-08	BUY	Market Buy	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥2,273	-	-
2026-01-08	BUY	Market Buy	野村アセットマネジメント株式会社	other	1.9M	¥2,273	+6.6%	¥243M ($1.6M)
2026-01-07	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	815.6K	¥2,095	-15.6%	¥15M ($99K)
2026-01-07	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	4.2M	¥2,095	+15.6%	¥1.1B ($6.9M)
2025-12-12	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	823.0K	¥1,927	+25.7%	¥7M ($46K)
2025-12-12	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	3.7M	¥1,927	+25.7%	¥872M ($5.6M)
2025-12-08	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	822.1K	¥1,947	-24.4%	¥21M ($139K)
2025-12-08	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	3.3M	¥1,947	+24.4%	¥967M ($6.2M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying OSAKA Titanium technologies Co.,Ltd. stock?: 29 distinct investors have filed 115 disclosed large-shareholding filings in OSAKA Titanium technologies Co.,Ltd. (5726), 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 OSAKA Titanium technologies Co.,Ltd. have?: OSAKA Titanium technologies Co.,Ltd. has 115 buy-side and 69 sell-side disclosures on record, covering ¥113.1B ($729.8M) in total reported value, spanning 2021-03-22 to 2026-05-11.
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.