Who has been buying USS Co., Ltd. stock?

23 distinct investors have filed 55 disclosed large-shareholding filings in USS Co., Ltd. (4732), most recently on 2026-04-20. 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 USS Co., Ltd. have?

USS Co., Ltd. has 55 buy-side and 24 sell-side disclosures on record, covering ¥133.6B ($862.1M) in total reported value, spanning 2021-03-22 to 2026-04-20.

Where does StockDrifts get USS 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.

USS Co., Ltd. 4732

Company

株式会社ユー・エス・エスUSS Co., Ltd.

Investors

Buys

Total Value

¥133.6B ($862.1M)

Avg Return

+44.63%

Last Filing

2026-04-20

USS Co., Ltd. (4732) has 55 disclosed large-shareholding filings and 24 disclosed disposals on record, filed by 23 distinct investors. Together those filings cover ¥133.6B ($862.1M) in reported transaction value. The earliest filing StockDrifts holds for USS Co., Ltd. is dated 2021-03-22; the most recent is 2026-04-20. 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 +44.63%, 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
2026-07-23	BUY	Market Buy	エフアイエーエムエルエルシー FIAM LLC	other	637.4K	¥1,951.5	+2.7%	¥93M ($597K)
2026-07-23	BUY	Market Buy	エフエムアールインベストメントマネジメントユーケーリミテッドLimited) FMR Investment Management (UK	other	5.6M	¥1,951.5	+2.7%	¥7.5B ($48.3M)
2026-07-23	BUY	Market Buy	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	3.5M	¥1,951.5	+2.7%	¥463M ($3.0M)
2026-07-23	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	12.5M	¥1,951.5	-2.7%	¥10.1B ($65.0M)
2026-06-09	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	572.4K	¥1,872	+7.2%	¥1.1B ($6.9M)
2026-06-09	BUY	unknown	フィデリティ・マネジメント・アンド・リサーチ・ジャパン株式会社	other	542.1K	¥1,872	+7.2%	¥1.0B ($6.5M)
2026-06-09	BUY	unknown	エフエムアールインベストメントマネジメントユーケーリミテッドLimited) FMR Investment Management (UK	other	1.8M	¥1,872	+7.2%	¥3.4B ($21.6M)
2026-06-09	BUY	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	3.3M	¥1,872	+7.2%	¥6.1B ($39.4M)
2026-06-09	BUY	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー Fidelity Management & Research Company LLC	corporate	17.6M	¥1,872	+7.2%	¥33.0B ($213.0M)
2026-04-20	SELL	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	20.2M	¥1,726.5	-1.6%	¥8.3B ($53.3M)
2025-07-23	BUY	unknown	エフエムアールエルエルシー FMR LLC	other	23.8M	¥1,650.5	+4.6%	¥39.3B ($253.5M)
2025-07-23	BUY	unknown	ナショナルファイナンシャルサービスエルエルシー National Financial Services LLC	other	160	¥1,650.5	+4.6%	¥264K ($2K)
2025-07-22	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	25.0M	¥1,671	+3.3%	¥41.8B ($269.9M)
2025-03-14	BUY	Market Buy	株式会社服部モータース HATTORI MOTORS CO.,LTD.	passive	14.6M	¥1,417	+21.8%	¥20.6B ($133.1M)
2025-03-14	BUY	Market Buy	株式会社服部モータース HATTORI MOTORS CO.,LTD.	passive	14.6M	¥1,417	+21.8%	¥20.6B ($133.1M)
2025-03-14	BUY	Market Buy	瀬田衛 MAMORU SETA	passive	18.4M	¥1,417	+21.8%	¥26.1B ($168.2M)
2025-03-14	BUY	Market Buy	瀬田衛 MAMORU SETA	passive	18.4M	¥1,417	+21.8%	¥26.1B ($168.2M)
2024-11-05	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	4.1M	¥1,303.5	+32.5%	¥134M ($865K)
2024-11-05	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	11.2M	¥1,303.5	+32.5%	¥14.6B ($94.1M)
2024-11-05	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.2M	¥1,303.5	-32.5%	¥19.0B ($122.8M)
2024-11-05	BUY	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	2.6M	¥1,303.5	+32.5%	¥134M ($865K)
2024-10-21	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	2.5M	¥1,252	+37.9%	¥2.3B ($14.9M)
2024-10-21	BUY	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	4.0M	¥1,252	+37.9%	¥5.0B ($32.0M)
2024-10-21	BUY	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	11.2M	¥1,252	+37.9%	¥772M ($5.0M)
2024-10-21	BUY	Market Buy	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	16.8M	¥1,252	+37.9%	¥21.0B ($135.7M)
2024-07-29	SELL	unknown	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	654.6K	¥1,354	-27.5%	¥2.1B ($13.5M)
2024-07-29	BUY	unknown	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	4.0M	¥1,354	+27.5%	¥278M ($1.8M)
2024-07-29	SELL	unknown	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	10.6M	¥1,354	-27.5%	¥1.6B ($10.3M)
2024-07-29	BUY	unknown	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	other	16.8M	¥1,354	+27.5%	¥22.7B ($146.8M)
2024-06-06	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	356.7K	¥1,245	-38.7%	¥512M ($3.3M)
2024-06-06	SELL	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	3.2M	¥1,245	-38.7%	¥6.0B ($38.8M)
2024-06-06	SELL	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	5.1M	¥1,245	-38.7%	¥7.9B ($50.8M)
2024-06-06	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	1.2M	¥1,245	+38.7%	¥64M ($413K)
2024-06-06	SELL	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	745.9K	¥1,245	-38.7%	¥320M ($2.1M)
2024-06-06	SELL	negotiated	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	14.6M	¥1,245	-38.7%	¥4.1B ($26.4M)
2024-06-06	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	600.0K	¥1,245	-38.7%	¥384M ($2.5M)
2024-06-06	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	8.9M	¥1,245	+38.7%	¥2.4B ($15.7M)
2024-06-06	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	766.3K	¥1,245	-38.7%	¥3.3B ($21.1M)
2024-06-06	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	7.6M	¥1,245	+38.7%	¥704M ($4.5M)
2024-05-21	SELL	unknown	インベスコキャピタルマネジメントエルエルシー Invesco Capital Management LLC	other	573.0K	¥1,285.5	-34.3%	¥66M ($426K)
2024-05-21	BUY	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	754.2K	¥1,285.5	+34.3%	¥969M ($6.3M)
2024-05-21	BUY	unknown	インベスコアドバイザーズインク(Invesco Advisers Invesco Advisers, Inc.	other	4.5M	¥1,285.5	+34.3%	¥5.7B ($37.1M)
2024-05-21	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	18.6M	¥1,285.5	+34.3%	¥23.6B ($152.5M)
2024-03-22	SELL	unknown	インベスコキャピタルマネジメントエルエルシー Invesco Capital Management LLC	other	311.1K	¥1,314.25	-31.4%	¥68M ($436K)
2024-03-22	BUY	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	377.5K	¥1,314.25	+31.4%	¥496M ($3.2M)
2024-03-22	SELL	unknown	インベスコアドバイザーズインク(Invesco Advisers Invesco Advisers, Inc.	other	2.2M	¥1,314.25	-31.4%	¥169M ($1.1M)
2024-03-22	SELL	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	13.5M	¥1,314.25	-31.4%	¥3.6B ($23.1M)
2023-12-21	BUY	unknown	インベスコキャピタルマネジメントエルエルシー Invesco Capital Management LLC	other	354.1K	¥1,394	+23.9%	¥494M ($3.2M)
2023-12-21	BUY	unknown	インベスコホンコンリミテッド Invesco Hong Kong Limited	other	385.5K	¥1,394	+23.9%	¥537M ($3.5M)
2023-12-21	BUY	unknown	インベスコアドバイザーズインク(Invesco Advisers Invesco Advisers, Inc.	other	2.4M	¥1,394	+23.9%	¥1.6B ($10.6M)

Showing the 50 most recent of 116 filings.

Frequently asked questions

Who has been buying USS Co., Ltd. stock?: 23 distinct investors have filed 55 disclosed large-shareholding filings in USS Co., Ltd. (4732), most recently on 2026-04-20. 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 USS Co., Ltd. have?: USS Co., Ltd. has 55 buy-side and 24 sell-side disclosures on record, covering ¥133.6B ($862.1M) in total reported value, spanning 2021-03-22 to 2026-04-20.
Where does StockDrifts get USS 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 USS Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.