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

14 distinct investors have filed 67 disclosed large-shareholding filings in abc Co., Ltd. (8783), most recently on 2026-05-08. 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 abc Co., Ltd. have?

abc Co., Ltd. has 67 buy-side and 180 sell-side disclosures on record, covering ¥57.2B ($369.1M) in total reported value, spanning 2021-04-07 to 2026-05-08.

Where does StockDrifts get abc 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.

abc Co., Ltd. 8783

Company

GFA株式会社abc Co., Ltd.

Investors

Buys

Total Value

¥57.2B ($369.1M)

Avg Return

-36.32%

Last Filing

2026-05-08

abc Co., Ltd. (8783) has 67 disclosed large-shareholding filings and 180 disclosed disposals on record, filed by 14 distinct investors. Together those filings cover ¥57.2B ($369.1M) in reported transaction value. The earliest filing StockDrifts holds for abc Co., Ltd. is dated 2021-04-07; the most recent is 2026-05-08. 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 -36.32%, 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
2026-08-10	SELL	subscription	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	21.7M	¥71	+5.6%	¥49M ($318K)
2026-08-07	SELL	subscription	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	22.7M	¥59	-13.6%	¥40M ($255K)
2026-08-06	SELL	subscription	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	23.7M	¥59	-13.6%	¥32M ($206K)
2026-08-06	SELL	subscription	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	24.5M	¥59	-13.6%	¥34M ($219K)
2026-08-04	BUY	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	1.8M	¥57	+17.5%	¥526M ($3.4M)
2026-08-04	BUY	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	1.8M	¥57	+17.5%	¥501M ($3.2M)
2026-08-04	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	1.8M	¥57	-17.5%	¥526M ($3.4M)
2026-07-31	BUY	Market Buy	ソウル・ベンチャーズ・ホールディングス・リミテッド Soul Ventures Holdings Limited.	passive	0	¥57	+17.5%	¥374M ($2.4M)
2026-07-31	SELL	Market Buy	ソウル・ベンチャーズ・ホールディングス・リミテッド Soul Ventures Holdings Limited.	passive	0	¥57	-17.5%	¥374M ($2.4M)
2026-07-29	SELL	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	11.8M	¥60	-11.7%	¥258M ($1.7M)
2026-07-28	SELL	subscription	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	25.4M	¥61	-9.8%	¥28M ($181K)
2026-07-23	BUY	subscription	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	26.1M	¥69	-2.9%	¥1.8B ($11.6M)
2026-07-23	SELL	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	19.5M	¥69	+2.9%	¥50M ($324K)
2026-07-15	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	1.5M	¥80	+5.0%	¥56M ($361K)
2026-07-14	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	2.2M	¥81	-6.2%	¥42M ($273K)
2026-07-14	SELL	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	2.2M	¥81	+6.2%	¥42M ($273K)
2026-07-10	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	3.0M	¥80	-26.3%	¥240M ($1.5M)
2026-07-10	BUY	Market Buy	ロングコリドーアセットマネジメントリミテッド(Long Corridor Asset Management Limited) Long Corridor Asset Management Limited	passive	2.7M	¥80	-26.3%	¥218M ($1.4M)
2026-07-08	SELL	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	19.6M	¥87	+32.2%	¥19M ($125K)
2026-07-07	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	14.6M	¥82	+30.5%	¥121M ($780K)
2026-07-07	BUY	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	14.6M	¥82	-30.5%	¥135M ($872K)
2026-06-12	BUY	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	19.9M	¥95	-13.7%	¥37M ($238K)
2026-06-12	SELL	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	19.9M	¥95	+13.7%	¥37M ($238K)
2026-06-02	BUY	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	18.2M	¥121	-31.4%	¥36M ($234K)
2026-06-02	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	16.8M	¥121	+31.4%	¥109M ($702K)
2026-05-26	SELL	subscription	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	20.4M	¥119	+25.2%	¥46M ($296K)
2026-05-26	BUY	subscription	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	20.4M	¥119	-25.2%	¥46M ($296K)
2026-05-22	BUY	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	16.8M	¥121	-26.4%	¥76M ($488K)
2026-05-22	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	16.8M	¥121	+26.4%	¥76M ($488K)
2026-05-18	BUY	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	17.7M	¥118	-19.5%	¥34M ($220K)
2026-05-18	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	17.7M	¥118	+19.5%	¥34M ($220K)
2026-05-08	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	18.2M	¥188	+42.5%	¥54M ($346K)
2026-04-27	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	18.8M	¥205	+42.9%	¥103M ($663K)
2026-04-23	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	19.6M	¥212	+44.8%	¥105M ($675K)
2026-04-23	BUY	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	19.6M	¥212	-44.8%	¥105M ($675K)
2026-04-16	SELL	subscription	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	21.0M	¥193	+33.2%	¥157M ($1.0M)
2026-04-07	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	20.5M	¥197	+3.5%	¥69M ($446K)
2026-03-18	BUY	Market Buy	ソウル・ベンチャーズ・ホールディングス・リミテッド Soul Ventures Holdings Limited	passive	7.2M	¥213	+7.0%	¥1.5B ($9.9M)
2026-03-13	BUY	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	21.3M	¥215	+6.0%	¥10M ($62K)
2026-03-12	BUY	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	21.2M	¥217	+5.1%	¥248M ($1.6M)
2026-03-12	SELL	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	19.3M	¥217	-5.1%	¥301M ($1.9M)
2026-03-09	BUY	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	21.4M	¥223	+2.2%	¥2.2B ($13.9M)
2026-03-04	BUY	Market Buy	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	21.4M	¥223	+2.2%	¥2.2B ($13.9M)
2026-03-02	BUY	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	19.5M	¥243	-6.2%	¥2.4B ($15.7M)
2025-10-31	BUY	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	4.7M	¥311	-26.7%	¥1.5B ($9.4M)
2025-10-31	BUY	unknown	WOWOO PTE. LTD. (ワオープライベートリミテッド)代表取締役 FUJIMARU NICHOLS(フジマルニコルス) WOWOO PTE. LTD.	strategic	4.7M	¥311	-26.7%	¥1.5B ($9.4M)
2025-07-28	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	2.6M	¥246	+7.3%	¥68M ($441K)
2025-07-17	SELL	Market Buy	Seacastle Singapore Pte. Ltd(シーキャッスルシンガポールピーティーイー・リミテッド)代表取締役Tang Koon Heng(タンクーンヘング) Seacastle Singapore Pte. Ltd	passive	2.9M	¥256	+10.9%	¥410M ($2.6M)
2025-07-11	BUY	unknown	合同会社トリコロール2 Tricolor2 LLC	strategic	160.2K	¥263	-13.3%	¥3.6B ($23.4M)
2025-07-11	BUY	unknown	合同会社トリコロール2 Tricolor2 LLC	strategic	160.2K	¥263	-13.3%	¥3.6B ($23.4M)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying abc Co., Ltd. stock?: 14 distinct investors have filed 67 disclosed large-shareholding filings in abc Co., Ltd. (8783), most recently on 2026-05-08. 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 abc Co., Ltd. have?: abc Co., Ltd. has 67 buy-side and 180 sell-side disclosures on record, covering ¥57.2B ($369.1M) in total reported value, spanning 2021-04-07 to 2026-05-08.
Where does StockDrifts get abc 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 abc Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.