Who has been buying Sekisui House, Ltd. stock?

29 distinct investors have filed 87 disclosed large-shareholding filings in Sekisui House, Ltd. (1928), most recently on 2026-04-06. 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 Sekisui House, Ltd. have?

Sekisui House, Ltd. has 87 buy-side and 103 sell-side disclosures on record, covering ¥463.3B ($3.0B) in total reported value, spanning 2021-04-22 to 2026-04-06.

Where does StockDrifts get Sekisui House, 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.

Sekisui House, Ltd. 1928

Company

積水ハウス株式会社Sekisui House, Ltd.

Investors

Buys

Total Value

¥463.3B ($3.0B)

Avg Return

+28.09%

Last Filing

2026-04-06

Sekisui House, Ltd. (1928) has 87 disclosed large-shareholding filings and 103 disclosed disposals on record, filed by 29 distinct investors. Together those filings cover ¥463.3B ($3.0B) in reported transaction value. The earliest filing StockDrifts holds for Sekisui House, Ltd. is dated 2021-04-22; the most recent is 2026-04-06. 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 +28.09%, 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
2026-08-06	BUY	unknown	アモーヴァ・アセットマネジメント株式会社	other	18.7M	¥3,415	+0.8%	¥63.9B ($412.0M)
2026-08-06	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	16.1M	¥3,415	-0.8%	¥890M ($5.7M)
2026-08-05	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	2.0M	¥3,354	+2.7%	¥6.7B ($43.1M)
2026-08-05	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	1.5M	¥3,354	+2.7%	¥1.1B ($7.0M)
2026-08-05	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	1.2M	¥3,354	+2.7%	¥4.0B ($25.9M)
2026-08-05	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	8.4M	¥3,354	+2.7%	¥437M ($2.8M)
2026-08-05	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	14.6M	¥3,354	+2.7%	¥3.9B ($25.4M)
2026-08-05	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	6.2M	¥3,354	+2.7%	¥2.2B ($14.1M)
2026-08-05	BUY	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	1.8M	¥3,354	+2.7%	¥6.1B ($39.6M)
2026-08-05	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	1.0M	¥3,354	+2.7%	¥437M ($2.8M)
2026-08-05	SELL	Market Buy	アペリオ・グループ・エルエルシー Aperio Group, LLC	passive	1.3M	¥3,354	-2.7%	¥656M ($4.2M)
2026-08-05	BUY	Market Buy	ブラックロック・ジャパン株式会社	passive	12.4M	¥3,354	+2.7%	¥874M ($5.6M)
2026-07-06	BUY	Market Buy	アモーヴァ・アセットマネジメント株式会社	other	18.7M	¥3,525	-4.8%	¥2.3B ($14.8M)
2026-07-06	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	16.3M	¥3,525	+4.8%	¥4.4B ($28.2M)
2026-04-06	SELL	unknown	MUFGセキュリティーズ(カナダ) MUFG Securities(Canada	other	1.0M	¥3,564	+4.1%	¥236M ($1.5M)
2026-04-06	SELL	unknown	三菱UFJ信託銀行株式会社	passive	13.8M	¥3,564	+4.1%	¥9.0B ($57.9M)
2026-04-06	SELL	unknown	株式会社三菱UFJ銀行	unknown	0	¥3,564	+4.1%	¥15.6B ($100.6M)
2026-04-06	SELL	unknown	三菱UFJアセットマネジメント株式会社	passive	11.3M	¥3,564	+4.1%	¥473M ($3.0M)
2026-04-06	BUY	unknown	MUFGセキュリティーズEMEA MUFG Securities EMEA plc	other	3.1M	¥3,564	-4.1%	¥11.1B ($71.7M)
2026-03-04	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	13.6M	¥3,601	-2.3%	¥48.0B ($309.6M)
2026-03-04	SELL	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	5.7M	¥3,601	+2.3%	¥19.9B ($128.5M)
2026-03-04	BUY	Market Buy	アペリオ・グループ・エルエルシー(Aperio Group	passive	1.5M	¥3,601	+2.3%	¥5.4B ($35.0M)
2026-03-04	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	1.2M	¥3,601	-2.3%	¥4.3B ($27.6M)
2026-03-04	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	passive	8.4M	¥3,601	+2.3%	¥29.7B ($191.6M)
2026-03-04	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	1.2M	¥3,601	+2.3%	¥4.3B ($27.9M)
2026-03-04	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	1.9M	¥3,601	+2.3%	¥6.6B ($42.8M)
2026-03-04	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	2.1M	¥3,601	-2.3%	¥7.2B ($46.7M)
2026-03-04	SELL	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	passive	926.6K	¥3,601	+2.3%	¥3.3B ($21.0M)
2026-03-04	SELL	Market Buy	ブラックロック・ジャパン株式会社	passive	12.3M	¥3,601	+2.3%	¥43.4B ($280.0M)
2026-02-05	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	36.3M	¥3,583	-1.8%	¥130.1B ($839.5M)
2026-02-03	SELL	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	49.3M	¥3,490	-0.8%	¥13.7B ($88.1M)
2026-01-08	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	18.2M	¥3,480	-1.1%	¥63.9B ($412.2M)
2026-01-08	SELL	unknown	アモーヴァ・アセットマネジメント株式会社	other	18.2M	¥3,480	-1.1%	¥63.9B ($412.3M)
2025-12-01	BUY	negotiated	MUFGセキュリティーズ(カナダ) MUFG Securities(Canada	other	1.1M	¥3,409	+3.2%	¥4.0B ($25.7M)
2025-12-01	BUY	negotiated	三菱UFJアセットマネジメント株式会社	passive	11.5M	¥3,409	+3.2%	¥40.4B ($260.6M)
2025-12-01	BUY	negotiated	三菱UFJ信託銀行株式会社	passive	16.3M	¥3,409	+3.2%	¥57.3B ($369.8M)
2025-12-01	BUY	negotiated	株式会社三菱UFJ銀行	strategic	4.4M	¥3,409	+3.2%	¥15.3B ($99.0M)
2025-11-17	BUY	negotiated	MUFGセキュリティーズ(カナダ) MUFG Securities(Canada	other	890.2K	¥3,340	+5.4%	¥3.0B ($19.2M)
2025-11-17	SELL	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	601.9K	¥3,340	-5.4%	¥20.6B ($132.9M)
2025-11-17	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	11.6M	¥3,340	+5.4%	¥12.4B ($80.0M)
2025-11-17	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	16.3M	¥3,340	-5.4%	¥1.6B ($10.0M)
2025-11-17	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	4.4M	¥3,340	-5.4%	¥3.5B ($22.9M)
2025-10-21	BUY	unknown	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	18.4M	¥3,332	+5.6%	¥61.3B ($395.4M)
2025-10-21	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	19.1M	¥3,332	-5.6%	¥221M ($1.4M)
2025-10-20	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	16.8M	¥3,302	-6.6%	¥219M ($1.4M)
2025-10-20	BUY	Market Buy	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	6.8M	¥3,302	+6.6%	¥22.3B ($143.8M)
2025-10-20	SELL	Market Buy	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	7.8M	¥3,302	-6.6%	¥2.0B ($12.7M)
2025-10-20	SELL	Market Buy	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	5.4M	¥3,302	-6.6%	¥9.0B ($57.9M)
2025-10-06	BUY	unknown	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	18.3M	¥3,354	+4.9%	¥1.1B ($7.2M)
2025-10-06	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	19.3M	¥3,354	-4.9%	¥1.1B ($7.2M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Sekisui House, Ltd. stock?: 29 distinct investors have filed 87 disclosed large-shareholding filings in Sekisui House, Ltd. (1928), most recently on 2026-04-06. 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 Sekisui House, Ltd. have?: Sekisui House, Ltd. has 87 buy-side and 103 sell-side disclosures on record, covering ¥463.3B ($3.0B) in total reported value, spanning 2021-04-22 to 2026-04-06.
Where does StockDrifts get Sekisui House, 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 Sekisui House, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.