Who has been buying ACSL Ltd. stock?

11 distinct investors have filed 18 disclosed large-shareholding filings in ACSL Ltd. (6232), most recently on 2026-04-27. 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 ACSL Ltd. have?

ACSL Ltd. has 18 buy-side and 22 sell-side disclosures on record, covering ¥7.6B ($49.0M) in total reported value, spanning 2021-03-22 to 2026-04-27.

Where does StockDrifts get ACSL 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.

ACSL Ltd. 6232

Company

株式会社ASCLACSL Ltd.

Investors

Buys

Total Value

¥7.6B ($49.0M)

Avg Return

+26.86%

Last Filing

2026-04-27

ACSL Ltd. (6232) has 18 disclosed large-shareholding filings and 22 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥7.6B ($49.0M) in reported transaction value. The earliest filing StockDrifts holds for ACSL Ltd. is dated 2021-03-22; the most recent is 2026-04-27. 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 +26.86%, 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
2026-06-10	SELL	unknown	野波健藏 KENZO NONAMI	strategic	1.2M	¥1,902	+8.9%	¥25M ($164K)
2026-06-10	SELL	unknown	野波健藏 KENZO NONAMI	strategic	1.2M	¥1,902	+8.9%	¥2.0B ($12.9M)
2026-05-19	SELL	subscription	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	927.9K	¥3,360	+47.4%	¥994M ($6.4M)
2026-04-27	SELL	subscription	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	1.2M	¥2,350	-17.4%	¥450M ($2.9M)
2026-04-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	201.5K	¥1,462	-71.1%	¥707M ($4.6M)
2026-04-06	SELL	unknown	野村證券株式会社	other	254.2K	¥1,462	-71.1%	¥114M ($737K)
2026-03-17	SELL	unknown	野村證券株式会社	other	327.3K	¥1,645	-6.1%	¥571M ($3.7M)
2026-03-17	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	674.3K	¥1,645	-6.1%	¥1.2B ($7.6M)
2026-03-16	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	1.8M	¥1,703	+2.5%	¥3.1B ($20.1M)
2026-03-16	BUY	Market Buy	野村證券株式会社	other	334.4K	¥1,703	+2.5%	¥583M ($3.8M)
2026-03-03	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.4M	¥1,415	+23.3%	¥2.4B ($15.2M)
2026-03-03	BUY	unknown	野村證券株式会社	other	298.5K	¥1,415	+23.3%	¥521M ($3.4M)
2026-01-16	SELL	Market Buy	キャンターフィッツジェラルドヨーロッパ(Cantor Fitzgerald Europe) Cantor Fitzgerald Europe	passive	824.9K	¥1,149	-51.9%	¥309M ($2.0M)
2025-11-25	SELL	Market Buy	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	1.3M	¥946	-84.5%	¥245M ($1.6M)
2025-11-18	SELL	Market Buy	キャンターフィッツジェラルドヨーロッパ(Cantor Fitzgerald Europe) Cantor Fitzgerald Europe	passive	1.1M	¥1,012	-72.4%	¥214M ($1.4M)
2025-10-29	BUY	Market Buy	キャンターフィッツジェラルドヨーロッパ(Cantor Fitzgerald Europe) Cantor Fitzgerald Europe	passive	1.3M	¥1,050	+66.2%	¥202M ($1.3M)
2025-10-29	SELL	Market Buy	キャンターフィッツジェラルドヨーロッパ(Cantor Fitzgerald Europe) Cantor Fitzgerald Europe	passive	1.3M	¥1,050	-66.2%	¥202M ($1.3M)
2025-10-20	BUY	Market Buy	キャンターフィッツジェラルドヨーロッパ(Cantor Fitzgerald Europe) Cantor Fitzgerald Europe	passive	1.5M	¥1,180	+47.9%	¥523M ($3.4M)
2025-10-20	BUY	Market Buy	キャンターフィッツジェラルドヨーロッパ(Cantor Fitzgerald Europe) Cantor Fitzgerald Europe	passive	1.5M	¥1,180	+47.9%	¥523M ($3.4M)
2025-10-20	BUY	Market Buy	キャンターフィッツジェラルドヨーロッパ(Cantor Fitzgerald Europe) Cantor Fitzgerald Europe	passive	1.5M	¥1,180	+47.9%	¥523M ($3.4M)
2025-09-25	BUY	Market Buy	キャンターフィッツジェラルドヨーロッパ(Cantor Fitzgerald Europe) Cantor Fitzgerald Europe	passive	995.0K	¥1,025	+70.2%	¥1.0B ($6.6M)
2025-08-04	SELL	Market Buy	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	1.5M	¥1,233	-41.5%	¥101M ($651K)
2025-06-17	SELL	Market Buy	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	1.6M	¥1,513	-15.3%	¥346M ($2.2M)
2025-05-22	SELL	Market Buy	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	1.9M	¥1,130	-54.4%	¥75M ($484K)
2025-04-28	SELL	Market Buy	株式会社菊池製作所 KIKUCHI SEISAKUSHO CO.,LTD.	passive	500.0K	¥981	-77.9%	¥520M ($3.4M)
2025-04-02	SELL	Market Buy	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	1.9M	¥1,084	-61.0%	¥240M ($1.5M)
2025-03-28	SELL	Market Buy	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	2.2M	¥1,189	-46.8%	¥179M ($1.2M)
2025-03-24	BUY	Market Buy	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	2.4M	¥1,133	+54.0%	¥29M ($186K)
2025-01-20	BUY	Market Buy	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	2.4M	¥810	+115.4%	¥294M ($1.9M)
2024-12-24	BUY	unknown	株式会社村田製作所 Murata Manufacturing Co., Ltd.	strategic	951.5K	¥857	+103.6%	¥815M ($5.3M)
2024-08-14	SELL	subscription	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	1.9M	¥798	-118.7%	¥158M ($1.0M)
2024-04-24	SELL	subscription	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	2.1M	¥1,012	-72.4%	¥260M ($1.7M)
2024-04-22	SELL	subscription	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	2.4M	¥1,052	-65.9%	¥143M ($921K)
2024-03-26	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.	other	20.0K	¥1,190	+46.6%	¥6M ($40K)
2024-01-26	SELL	subscription	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	2.3M	¥880	-98.3%	¥191M ($1.2M)
2023-12-26	SELL	subscription	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	2.6M	¥829	-110.5%	¥114M ($733K)
2023-12-08	BUY	subscription	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	2.7M	¥971	+79.7%	¥637M ($4.1M)
2023-12-04	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.	other	1.5M	¥999	+74.7%	¥1.5B ($9.7M)
2023-02-13	BUY	subscription	ハイツ・キャピタル・マネジメント・インク(Heights Capital Management, Inc.) Heights Capital Management, Inc.	passive	1.8M	¥1,589	+9.8%	¥2.9B ($18.9M)
2021-07-08	BUY	negotiated	日本郵政キャピタル株式会社 Japan Post Capital	strategic	1.3M	¥2,650	-34.1%	¥3.3B ($21.5M)
2021-06-07	BUY	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	102.9K	¥2,341	-25.5%	¥8M ($49K)
2021-06-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	305.4K	¥2,341	+25.5%	¥281M ($1.8M)
2021-06-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	30.0K	¥2,341	+25.5%	¥82M ($527K)
2021-03-22	BUY	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	98.9K	¥2,763	-36.8%	¥273M ($1.8M)
2021-03-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	424.7K	¥2,763	-36.8%	¥1.2B ($7.6M)
2021-03-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	65.2K	¥2,763	-36.8%	¥180M ($1.2M)

Frequently asked questions

Who has been buying ACSL Ltd. stock?: 11 distinct investors have filed 18 disclosed large-shareholding filings in ACSL Ltd. (6232), most recently on 2026-04-27. 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 ACSL Ltd. have?: ACSL Ltd. has 18 buy-side and 22 sell-side disclosures on record, covering ¥7.6B ($49.0M) in total reported value, spanning 2021-03-22 to 2026-04-27.
Where does StockDrifts get ACSL 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 ACSL Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.