Who has been buying AND ST HD Co.Ltd. stock?

7 distinct investors have filed 21 disclosed large-shareholding filings in AND ST HD Co.Ltd. (2685), most recently on 2026-02-18. 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 AND ST HD Co.Ltd. have?

AND ST HD Co.Ltd. has 21 buy-side and 10 sell-side disclosures on record, covering ¥37.5B ($242.1M) in total reported value, spanning 2021-12-07 to 2026-02-18.

Where does StockDrifts get AND ST HD 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.

AND ST HD Co.Ltd. 2685

Company

株式会社アンドエスティＨＤAND ST HD Co.Ltd.

Investors

Buys

Total Value

¥37.5B ($242.1M)

Avg Return

+21.34%

Last Filing

2026-02-18

AND ST HD Co.Ltd. (2685) has 21 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥37.5B ($242.1M) in reported transaction value. The earliest filing StockDrifts holds for AND ST HD Co.Ltd. is dated 2021-12-07; the most recent is 2026-02-18. 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 +21.34%, 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
2026-02-18	SELL	Market Buy	ウエリントン・マネージメント・ジャパン・ピーティーイー・リミテッド Wellington Management Japan Pte Ltd	other	1.8M	¥3,010	-6.0%	¥5.7B ($36.5M)
2026-02-18	BUY	Market Buy	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	1.7M	¥3,010	+6.0%	¥5.3B ($34.2M)
2026-02-05	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	2.4M	¥2,926	-9.0%	¥1.2B ($7.6M)
2026-01-06	BUY	unknown	ウエリントン・マネージメント・ジャパン・ピーティーイー・リミテッド Wellington Management Japan Pte Ltd	other	1.8M	¥2,896	+10.2%	¥5.8B ($37.2M)
2026-01-06	BUY	unknown	ウエリントン・マネージメント・カンパニー・エルエルピー Wellington Management Company LLP	other	1.1M	¥2,896	+10.2%	¥3.3B ($21.6M)
2025-09-19	SELL	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	2.1M	¥3,065	-4.1%	¥105M ($675K)
2025-09-19	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	770.2K	¥3,065	-4.1%	¥15M ($96K)
2025-04-04	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.1M	¥2,934	+8.7%	¥14M ($92K)
2025-04-04	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	777.5K	¥2,934	-8.7%	¥14M ($92K)
2025-03-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.1M	¥2,945	-8.3%	¥316M ($2.0M)
2025-03-21	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	782.0K	¥2,945	+8.3%	¥14M ($93K)
2025-03-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.2M	¥2,917	-9.4%	¥1.6B ($10.0M)
2025-03-06	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	776.6K	¥2,917	+9.4%	¥14M ($92K)
2025-02-06	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.7M	¥3,185	+0.2%	¥668M ($4.3M)
2025-02-06	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 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	772.8K	¥3,185	+0.2%	¥233M ($1.5M)
2024-10-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.5M	¥3,935	-18.9%	¥9.8B ($63.1M)
2024-10-21	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	695.4K	¥3,935	-18.9%	¥2.7B ($17.7M)
2024-08-21	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	3.3M	¥3,505	-9.0%	¥1.8B ($11.5M)
2024-08-21	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 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	696.2K	¥3,505	-9.0%	¥17M ($110K)
2024-07-19	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.7M	¥3,160	+0.9%	¥2.8B ($18.2M)
2024-07-19	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	694.4K	¥3,160	-0.9%	¥93M ($597K)
2024-05-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.9M	¥3,650	-12.6%	¥6.8B ($43.7M)
2024-05-21	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	723.3K	¥3,650	-12.6%	¥2.6B ($17.0M)
2022-12-07	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	352.7K	¥1,980	+61.1%	¥698M ($4.5M)
2022-12-07	BUY	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	¥1,980	+61.1%	¥2.8B ($18.1M)
2022-10-07	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	352.3K	¥2,208	+44.5%	¥778M ($5.0M)
2022-10-07	BUY	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	2.2M	¥2,208	+44.5%	¥4.8B ($30.7M)
2022-06-30	BUY	Market Buy	前澤友作 Yusaku Maezawa	activist	2.1M	¥2,239	+42.5%	¥1.1B ($7.2M)
2022-06-30	SELL	Market Buy	前澤友作 Yusaku Maezawa	activist	2.1M	¥2,239	-42.5%	¥1.1B ($7.2M)
2022-06-10	SELL	Market Buy	前澤友作 Yusaku Maezawa	activist	2.6M	¥2,162	-47.5%	¥1.1B ($6.8M)
2022-06-10	BUY	Market Buy	前澤友作 Yusaku Maezawa	activist	2.6M	¥2,162	+47.5%	¥1.1B ($6.8M)
2022-05-24	BUY	Market Buy	前澤友作 Yusaku Maezawa	activist	3.1M	¥2,023	+57.7%	¥6.3B ($40.7M)
2022-03-17	BUY	Market Buy	前澤友作 Yusaku Maezawa	activist	3.1M	¥1,791	+78.1%	¥690M ($4.5M)
2022-01-11	BUY	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	845.4K	¥1,624	+96.4%	¥1.3B ($8.7M)
2022-01-11	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	794.4K	¥1,624	+96.4%	¥1.3B ($8.3M)
2021-12-07	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	796.3K	¥1,924	+65.8%	¥1.5B ($9.9M)
2021-12-07	BUY	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	1.7M	¥1,924	+65.8%	¥3.3B ($21.3M)

Frequently asked questions

Who has been buying AND ST HD Co.Ltd. stock?: 7 distinct investors have filed 21 disclosed large-shareholding filings in AND ST HD Co.Ltd. (2685), most recently on 2026-02-18. 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 AND ST HD Co.Ltd. have?: AND ST HD Co.Ltd. has 21 buy-side and 10 sell-side disclosures on record, covering ¥37.5B ($242.1M) in total reported value, spanning 2021-12-07 to 2026-02-18.
Where does StockDrifts get AND ST HD 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 AND ST HD Co.Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.