Who has been buying Kao Corporation stock?

39 distinct investors have filed 146 disclosed large-shareholding filings in Kao Corporation (4452), most recently on 2026-05-13. 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 Kao Corporation have?

Kao Corporation has 146 buy-side and 136 sell-side disclosures on record, covering ¥1.73T ($11.1B) in total reported value, spanning 2021-03-19 to 2026-05-13.

Where does StockDrifts get Kao Corporation 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.

Kao Corporation 4452

Company

花王株式会社Kao Corporation

Investors

Buys

146

Total Value

¥1.73T ($11.1B)

Avg Return

-0.40%

Last Filing

2026-05-13

Kao Corporation (4452) has 146 disclosed large-shareholding filings and 136 disclosed disposals on record, filed by 39 distinct investors. Together those filings cover ¥1.73T ($11.1B) in reported transaction value. The earliest filing StockDrifts holds for Kao Corporation is dated 2021-03-19; the most recent is 2026-05-13. 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 -0.40%, 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
2026-07-07	SELL	unknown	野村アセットマネジメント株式会社	other	52.6M	¥3,301	+3.4%	¥898M ($5.8M)
2026-07-07	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	10.7M	¥3,301	-3.4%	¥36.8B ($237.6M)
2026-07-07	SELL	unknown	野村證券株式会社	other	486.2K	¥3,301	+3.4%	¥1.8B ($11.6M)
2026-07-06	SELL	Market Buy	ブラックロック・インベストメント・マネジメント(ユーケー)リミテッドLimited) BlackRock Investment Management (UK	passive	4.6M	¥3,327	+4.2%	¥302M ($1.9M)
2026-07-06	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, N.A.	passive	14.1M	¥3,327	-4.2%	¥47.0B ($303.1M)
2026-07-06	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	21.3M	¥3,327	-4.2%	¥70.9B ($457.3M)
2026-07-06	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	7.4M	¥3,327	-4.2%	¥905M ($5.8M)
2026-07-06	BUY	Market Buy	ブラックロック・アセット・マネジメント・カナダ・リミテッド BlackRock Asset Management Canada Limited	passive	1.3M	¥3,327	-4.2%	¥4.2B ($27.2M)
2026-07-06	SELL	Market Buy	ブラックロック(ルクセンブルグ)エス・エーS.A.) BlackRock (Luxembourg	passive	1.3M	¥3,327	+4.2%	¥604M ($3.9M)
2026-07-06	SELL	Market Buy	ブラックロック・ファンド・マネジャーズ・リミテッド BlackRock Fund Managers Limited	passive	5.2M	¥3,327	+4.2%	¥302M ($1.9M)
2026-07-06	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	2.7M	¥3,327	-4.2%	¥604M ($3.9M)
2026-07-06	SELL	Market Buy	ブラックロック・インベストメント・マネジメント (オーストラリア)リミテッドLimited) BlackRock Investment Management (Australia	passive	1.1M	¥3,327	+4.2%	¥302M ($1.9M)
2026-07-06	BUY	Market Buy	ブラックロック・インベストメント・マネジメント・エルエルシー BlackRock Investment Management LLC	passive	994.6K	¥3,327	-4.2%	¥302M ($1.9M)
2026-07-06	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, Inc.	passive	1.3M	¥3,327	-4.2%	¥4.5B ($28.7M)
2026-07-06	SELL	Market Buy	ブラックロック・アドバイザーズ・エルエルシー BlackRock Advisers, LLC	passive	1.7M	¥3,327	+4.2%	¥302M ($1.9M)
2026-07-06	BUY	Market Buy	アペリオ・グループ・エルエルシー Aperio Group, LLC	passive	1.0M	¥3,327	-4.2%	¥3.4B ($22.2M)
2026-07-06	BUY	Market Buy	ブラックロック・ジャパン株式会社	passive	20.3M	¥3,327	-4.2%	¥3.6B ($23.4M)
2026-06-04	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	14.6M	¥2,923.5	+12.5%	¥133M ($856K)
2026-06-04	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	12.9M	¥2,923.5	-12.5%	¥1.1B ($6.8M)
2026-05-21	BUY	Market Buy	野村アセットマネジメント株式会社	other	26.4M	¥5,934	+1.9%	¥5.4B ($34.7M)
2026-05-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-225.7K	¥5,934	-1.9%	¥1.3B ($8.7M)
2026-05-21	BUY	Market Buy	野村證券株式会社	other	498.5K	¥5,934	+1.9%	¥3.2B ($20.8M)
2026-05-20	BUY	unknown	オアシスマネジメントカンパニーリミテッド(Oasis Management Company Ltd.) Oasis Management Company Ltd.	activist	57.3M	¥5,919	+2.1%	¥339.1B ($2.2B)
2026-05-13	BUY	block_purchase	オアシスマネジメントカンパニーリミテッド(Oasis Management Company Ltd.) Oasis Management Company Ltd.	activist	57.3M	¥5,825	+1.6%	¥3.7B ($23.9M)
2026-05-07	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	10.7M	¥5,991	-1.2%	¥3.8B ($24.5M)
2026-05-07	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	3.5M	¥5,991	-1.2%	¥1.1B ($7.0M)
2026-05-07	BUY	Market Buy	ブラックロック・アセット・マネジメント・カナダ・リミテッド BlackRock Asset Management Canada Limited	passive	630.1K	¥5,991	-1.2%	¥272M ($1.8M)
2026-05-07	BUY	Market Buy	ブラックロック(ルクセンブルグ)エス・エーS.A.) BlackRock (Luxembourg	passive	709.8K	¥5,991	-1.2%	¥272M ($1.8M)
2026-05-07	SELL	Market Buy	ブラックロック・ファンド・マネジャーズ・リミテッド BlackRock Fund Managers Limited	passive	2.7M	¥5,991	+1.2%	¥272M ($1.8M)
2026-05-07	BUY	Market Buy	アペリオ・グループ・エルエルシー Aperio Group, LLC	passive	492.8K	¥5,991	-1.2%	¥3.0B ($19.0M)
2026-05-07	SELL	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	1.3M	¥5,991	+1.2%	¥2.2B ($14.0M)
2026-05-07	BUY	Market Buy	ブラックロック・インベストメント・マネジメント (オーストラリア)リミテッドLimited) BlackRock Investment Management (Australia	passive	606.5K	¥5,991	-1.2%	¥3.6B ($23.4M)
2026-05-07	BUY	Market Buy	ブラックロック・インベストメント・マネジメント・エルエルシー BlackRock Investment Management LLC	passive	472.9K	¥5,991	-1.2%	¥2.8B ($18.3M)
2026-05-07	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, Inc.	passive	687.8K	¥5,991	-1.2%	¥4.1B ($26.6M)
2026-05-07	BUY	Market Buy	ブラックロック・アドバイザーズ・エルエルシー BlackRock Advisers, LLC	passive	855.0K	¥5,991	-1.2%	¥5.1B ($33.0M)
2026-05-07	SELL	Market Buy	ブラックロック・ジャパン株式会社	passive	9.6M	¥5,991	+1.2%	¥4.3B ($28.1M)
2026-05-07	BUY	Market Buy	ブラックロック・インベストメント・マネジメント(ユーケー)リミテッドLimited) BlackRock Investment Management (UK	passive	2.3M	¥5,991	-1.2%	¥9.2B ($59.6M)
2026-05-07	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, N.A.	passive	7.1M	¥5,991	-1.2%	¥7.1B ($45.6M)
2026-04-21	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	14.5M	¥6,010	+2.0%	¥1.1B ($7.0M)
2026-04-21	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	13.3M	¥6,010	-2.0%	¥273M ($1.8M)
2026-04-21	SELL	unknown	野村アセットマネジメント株式会社	other	25.6M	¥6,010	+2.0%	¥3.3B ($21.1M)
2026-04-21	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-18.3K	¥6,010	-2.0%	-
2026-04-21	SELL	unknown	野村證券株式会社	other	-24.0K	¥6,010	+2.0%	¥39.5B ($255.0M)
2026-04-06	BUY	Market Buy	野村アセットマネジメント株式会社	other	26.1M	¥6,056	-3.2%	¥10.7B ($69.1M)
2026-04-06	BUY	Market Buy	野村證券株式会社	other	6.5M	¥6,056	-3.2%	¥25.8B ($166.6M)
2026-04-06	BUY	unknown	アモーヴァ・アセットマネジメント株式会社	other	14.7M	¥6,056	-3.2%	¥89.2B ($575.6M)
2026-04-06	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	13.2M	¥6,056	+3.2%	¥12.4B ($79.8M)
2026-03-30	SELL	Market Buy	三菱UFJモルガン・スタンレー証券株式会社	unknown	0	¥6,031	+0.6%	¥32.3B ($208.3M)
2026-03-30	BUY	Market Buy	三菱UFJアセットマネジメント株式会社	passive	7.1M	¥6,031	-0.6%	¥274M ($1.8M)
2026-03-30	BUY	Market Buy	MUFGセキュリティーズEMEA MUFG Securities EMEA plc	other	1.6M	¥6,031	-0.6%	¥9.7B ($62.3M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Kao Corporation stock?: 39 distinct investors have filed 146 disclosed large-shareholding filings in Kao Corporation (4452), most recently on 2026-05-13. 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 Kao Corporation have?: Kao Corporation has 146 buy-side and 136 sell-side disclosures on record, covering ¥1.73T ($11.1B) in total reported value, spanning 2021-03-19 to 2026-05-13.
Where does StockDrifts get Kao Corporation 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 Kao Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.