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

4 distinct investors have filed 11 disclosed large-shareholding filings in Access Co., Ltd. (4813), 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 Access Co., Ltd. have?

Access Co., Ltd. has 11 buy-side and 14 sell-side disclosures on record, covering ¥14.2B ($91.3M) in total reported value, spanning 2021-04-21 to 2026-05-13.

Where does StockDrifts get Access 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.

Access Co., Ltd. 4813

Company

株式会社ＡＣＣＥＳＳAccess Co., Ltd.

Investors

Buys

Total Value

¥14.2B ($91.3M)

Avg Return

-27.13%

Last Filing

2026-05-13

Access Co., Ltd. (4813) has 11 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥14.2B ($91.3M) in reported transaction value. The earliest filing StockDrifts holds for Access Co., Ltd. is dated 2021-04-21; 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 -27.13%, 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
2026-08-07	BUY	Market Buy	古川良太 Ryota Furukawa	passive	3.7M	¥381	+13.4%	¥289M ($1.9M)
2026-08-07	BUY	Market Buy	古川良太 Ryota Furukawa	passive	3.0M	¥381	+13.4%	¥158M ($1.0M)
2026-08-06	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	0	¥425	-1.6%	¥866M ($5.6M)
2026-08-05	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	2.0M	¥370	-16.8%	¥424M ($2.7M)
2026-08-04	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	3.2M	¥345	-25.2%	¥250M ($1.6M)
2026-08-03	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	3.9M	¥345	-25.2%	¥334M ($2.2M)
2026-07-31	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	4.9M	¥343	-25.9%	¥151M ($973K)
2026-07-27	BUY	Market Buy	古川良太 Ryota Furukawa	passive	2.5M	¥346	+24.9%	¥140M ($901K)
2026-07-23	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.9M	¥338	+27.8%	¥270M ($1.7M)
2026-07-17	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	5.3M	¥342	-26.3%	¥139M ($899K)
2026-07-16	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	5.7M	¥336	-28.6%	¥559M ($3.6M)
2026-07-15	BUY	Market Buy	古川良太 Ryota Furukawa	passive	2.1M	¥348	+16.7%	¥741M ($4.8M)
2026-07-15	BUY	Market Buy	古川良太 Ryota Furukawa	passive	2.1M	¥348	+16.7%	¥741M ($4.8M)
2026-07-13	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	7.4M	¥337	-20.5%	¥516M ($3.3M)
2026-07-10	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	8.9M	¥345	-10.4%	¥259M ($1.7M)
2026-07-07	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	9.7M	¥345	-7.3%	¥449M ($2.9M)
2026-07-01	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	11.0M	¥346	+0.9%	¥144M ($928K)
2026-06-19	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	11.4M	¥386	+11.4%	¥157M ($1.0M)
2026-05-13	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	11.8M	¥529	+7.4%	¥235M ($1.5M)
2026-03-27	SELL	Market Buy	清原達郎 Tatsuro Kiyohara	passive	12.2M	¥589	+8.2%	¥242M ($1.6M)
2026-03-23	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.1M	¥570	-5.1%	¥1.2B ($7.7M)
2026-02-05	SELL	unknown	株式会社ＳＢＩ証券 SBI SECURITIES Co.,Ltd.	other	2.1M	¥638	+15.2%	¥436M ($2.8M)
2026-01-21	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.8M	¥605	-10.6%	¥157M ($1.0M)
2026-01-08	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.5M	¥590	-8.3%	¥1.5B ($9.6M)
2025-12-19	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	1.4M	¥518	-4.4%	¥402M ($2.6M)
2025-12-04	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.1M	¥535	-1.1%	¥381M ($2.5M)
2025-11-20	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.9M	¥548	-1.3%	¥361M ($2.3M)
2025-11-10	SELL	unknown	NTT株式会社 NTT, Inc.	other	5.1M	¥567	+4.6%	¥11M ($73K)
2025-10-21	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.2M	¥587	-7.8%	¥1.3B ($8.3M)
2025-08-07	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	1.5M	¥799	+32.3%	¥559M ($3.6M)
2025-07-22	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.2M	¥711	-23.9%	¥1.6B ($10.1M)
2025-03-21	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	1.9M	¥870	+37.8%	¥139M ($897K)
2025-03-06	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.0M	¥981	+44.9%	¥357M ($2.3M)
2025-02-06	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.4M	¥1,077	-49.8%	¥13M ($83K)
2025-01-09	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.4M	¥866	+37.5%	¥7M ($45K)
2024-12-05	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.4M	¥932	-42.0%	¥179M ($1.2M)
2024-11-21	SELL	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.2M	¥1,326	+59.2%	¥5M ($34K)
2024-11-07	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	2.2M	¥1,282	-57.8%	¥2.8B ($18.3M)
2023-12-15	SELL	unknown	タワー投資顧問株式会社 TOWER INVESTMENT MANAGEMENT Co., LTD.	unknown	0	¥820	+34.0%	¥4.2B ($27.2M)
2023-12-14	BUY	unknown	日本電信電話株式会社 NIPPON TELEGRAPH AND TELEPHONE CORPORATION	other	5.1M	¥805	-32.8%	¥4.1B ($26.7M)
2023-12-14	BUY	unknown	日本電信電話株式会社 NIPPON TELEGRAPH AND TELEPHONE CORPORATION	other	5.1M	¥805	-32.8%	¥4.1B ($26.7M)
2023-11-14	BUY	Market Buy	清原達郎 Tatsuro Kiyohara	passive	12.6M	¥759	-28.7%	¥9.6B ($61.7M)
2023-11-14	SELL	Market Buy	タワー投資顧問株式会社 TOWER INVESTMENT MANAGEMENT Co., LTD.	passive	5.1M	¥759	+28.7%	¥9.6B ($61.9M)
2023-09-01	SELL	Market Buy	タワー投資顧問株式会社 TOWER INVESTMENT MANAGEMENT Co., LTD.	passive	17.8M	¥910	+40.5%	¥130M ($841K)
2021-04-21	BUY	Market Buy	タワー投資顧問株式会社 TOWER INVESTMENT MANAGEMENT Co., LTD.	activist	17.8M	¥838	-35.4%	¥301M ($1.9M)

Frequently asked questions

Who has been buying Access Co., Ltd. stock?: 4 distinct investors have filed 11 disclosed large-shareholding filings in Access Co., Ltd. (4813), 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 Access Co., Ltd. have?: Access Co., Ltd. has 11 buy-side and 14 sell-side disclosures on record, covering ¥14.2B ($91.3M) in total reported value, spanning 2021-04-21 to 2026-05-13.
Where does StockDrifts get Access 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 Access Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.