Who has been buying Raito Kogyo Co., Ltd. stock?

15 distinct investors have filed 21 disclosed large-shareholding filings in Raito Kogyo Co., Ltd. (1926), most recently on 2025-07-03. 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 Raito Kogyo Co., Ltd. have?

Raito Kogyo Co., Ltd. has 21 buy-side and 14 sell-side disclosures on record, covering ¥7.5B ($48.3M) in total reported value, spanning 2021-04-05 to 2025-07-03.

Where does StockDrifts get Raito Kogyo 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.

Raito Kogyo Co., Ltd. 1926

Company

ライト工業株式会社Raito Kogyo Co., Ltd.

Investors

Buys

Total Value

¥7.5B ($48.3M)

Avg Return

+78.81%

Last Filing

2025-07-03

Raito Kogyo Co., Ltd. (1926) has 21 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 15 distinct investors. Together those filings cover ¥7.5B ($48.3M) in reported transaction value. The earliest filing StockDrifts holds for Raito Kogyo Co., Ltd. is dated 2021-04-05; the most recent is 2025-07-03. 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 +78.81%, 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
2025-07-03	BUY	Market Buy	ブラックロック・フランス・エスエーエス BlackRock France SAS	passive	12.3K	¥2,904	+34.5%	¥38M ($243K)
2025-07-03	BUY	Market Buy	ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ.(BlackRock Institutional Trust Company BlackRock Institutional Trust Company, N.A.	passive	329.6K	¥2,904	+34.5%	¥924K ($6K)
2025-07-03	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	512.8K	¥2,904	+34.5%	¥2M ($11K)
2025-07-03	BUY	Market Buy	ブラックロック・アセット・マネジメント・アイルランド・リミテッド BlackRock Asset Management Ireland Limited	passive	93.9K	¥2,904	+34.5%	¥660K ($4K)
2025-07-03	SELL	Market Buy	ブラックロック・ライフ・リミテッド BlackRock Life Limited	passive	0	¥2,904	-34.5%	¥2M ($12K)
2025-07-03	BUY	Market Buy	ブラックロック・フィナンシャル・マネジメント・インク(BlackRock Financial Management BlackRock Financial Management, Inc.	passive	14.8K	¥2,904	+34.5%	¥32M ($204K)
2025-07-03	SELL	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	789.3K	¥2,904	-34.5%	¥766M ($4.9M)
2025-03-19	BUY	Market Buy	太陽生命保険株式会社 TAIYO LIFE INSURANCE COMPANY	passive	2.7M	¥2,512	+55.5%	¥1.5B ($9.4M)
2025-03-19	SELL	Market Buy	T&Dアセットマネジメント株式会社 T&D Asset Management Co.,Ltd.	passive	95.8K	¥2,512	-55.5%	¥10.3B ($66.3M)
2024-05-08	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	1.2M	¥2,085	+87.3%	¥2.5B ($16.2M)
2024-05-08	BUY	Market Buy	ブラックロック・フランス・エスエーエス BlackRock France SAS	passive	75.9K	¥2,085	+87.3%	¥158M ($1.0M)
2024-05-08	BUY	Market Buy	ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ.(BlackRock Institutional Trust Company BlackRock Institutional Trust Company, N.A.	passive	339.9K	¥2,085	+87.3%	¥709M ($4.6M)
2024-05-08	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	523.3K	¥2,085	+87.3%	¥1.1B ($7.0M)
2024-05-08	BUY	Market Buy	ブラックロック・アセット・マネジメント・アイルランド・リミテッド BlackRock Asset Management Ireland Limited	passive	85.3K	¥2,085	+87.3%	¥178M ($1.1M)
2024-05-08	BUY	Market Buy	ブラックロック・ライフ・リミテッド BlackRock Life Limited	passive	74.2K	¥2,085	+87.3%	¥155M ($998K)
2024-05-08	BUY	Market Buy	ブラックロック・フィナンシャル・マネジメント・インク(BlackRock Financial Management BlackRock Financial Management, Inc.	passive	311.1K	¥2,085	+87.3%	¥649M ($4.2M)
2024-04-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.4M	¥2,045	+91.0%	¥160M ($1.0M)
2024-04-22	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	799.2K	¥2,045	-91.0%	¥1.1B ($7.2M)
2024-04-22	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	52.5K	¥2,045	+91.0%	¥107M ($693K)
2024-02-20	SELL	unknown	グッドハートパートナーズエルエルピー(Goodhart Partners LLP) Goodhart Partners LLP	other	2.1M	¥1,883	-107.4%	¥1.0B ($6.7M)
2024-01-22	SELL	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.4M	¥2,148	-81.8%	¥81M ($523K)
2024-01-22	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	1.4M	¥2,148	-81.8%	¥1.2B ($7.7M)
2024-01-16	SELL	unknown	グッドハートパートナーズエルエルピー(Goodhart Partners LLP) Goodhart Partners LLP	other	2.7M	¥2,189	-78.4%	¥1.3B ($8.2M)
2023-12-25	SELL	unknown	グッドハートパートナーズエルエルピー(Goodhart Partners LLP) Goodhart Partners LLP	other	3.3M	¥1,885	-107.2%	¥1.0B ($6.6M)
2023-10-20	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.5M	¥1,923	+103.1%	¥135M ($870K)
2023-10-20	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	1.9M	¥1,923	-103.1%	¥1.4B ($9.0M)
2023-02-09	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.5M	¥1,863	+109.6%	¥41M ($267K)
2023-02-09	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	2.7M	¥1,863	-109.6%	¥1.0B ($6.7M)
2022-11-07	BUY	Market Buy	グッドハートパートナーズエルエルピー(Goodhart Partners LLP) Goodhart Partners LLP	other	3.9M	¥1,989	+96.3%	¥1.1B ($7.4M)
2022-09-29	BUY	Market Buy	グッドハートパートナーズエルエルピー(Goodhart Partners LLP) Goodhart Partners LLP	other	3.4M	¥1,959	+99.3%	¥1.1B ($7.2M)
2022-03-24	BUY	unknown	グッドハートパートナーズエルエルピー(Goodhart Partners LLP) Goodhart Partners LLP	other	2.8M	¥2,010	+94.3%	¥5.6B ($36.1M)
2022-01-06	SELL	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.6M	¥1,933	-102.0%	¥78M ($505K)
2022-01-06	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	3.4M	¥1,933	-102.0%	¥1.0B ($6.7M)
2021-07-05	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	22.3K	¥1,848	+111.3%	¥3.8B ($24.5M)
2021-07-05	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社 JPMorgan Asset Management (Japan) Limited	passive	2.4M	¥1,848	+111.3%	¥4.5B ($28.8M)
2021-04-05	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	2.6M	¥1,611.716	+142.3%	¥4.2B ($27.0M)
2021-04-05	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	4.0M	¥1,611.716	-142.3%	¥941M ($6.1M)

Frequently asked questions

Who has been buying Raito Kogyo Co., Ltd. stock?: 15 distinct investors have filed 21 disclosed large-shareholding filings in Raito Kogyo Co., Ltd. (1926), most recently on 2025-07-03. 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 Raito Kogyo Co., Ltd. have?: Raito Kogyo Co., Ltd. has 21 buy-side and 14 sell-side disclosures on record, covering ¥7.5B ($48.3M) in total reported value, spanning 2021-04-05 to 2025-07-03.
Where does StockDrifts get Raito Kogyo 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 Raito Kogyo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.