Who has been buying Pacific Net Co.,Ltd. stock?

8 distinct investors have filed 17 disclosed large-shareholding filings in Pacific Net Co.,Ltd. (3021), most recently on 2026-05-11. 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 Pacific Net Co.,Ltd. have?

Pacific Net Co.,Ltd. has 17 buy-side and 28 sell-side disclosures on record, covering ¥2.5B ($16.3M) in total reported value, spanning 2021-03-22 to 2026-05-11.

Where does StockDrifts get Pacific Net 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.

Pacific Net Co.,Ltd. 3021

Company

株式会社パシフィックネットPacific Net Co.,Ltd.

Investors

Buys

Total Value

¥2.5B ($16.3M)

Avg Return

-16.62%

Last Filing

2026-05-11

Pacific Net Co.,Ltd. (3021) has 17 disclosed large-shareholding filings and 28 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥2.5B ($16.3M) in reported transaction value. The earliest filing StockDrifts holds for Pacific Net Co.,Ltd. is dated 2021-03-22; the most recent is 2026-05-11. 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 -16.62%, 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
2026-08-03	BUY	negotiated	上田トモ子	activist	300.0K	¥1,571	+5.1%	¥471M ($3.0M)
2026-08-03	SELL	negotiated	上田満弘	activist	302.8K	¥1,571	-5.1%	¥83M ($536K)
2026-08-03	SELL	unknown	株式会社リッチモンド	activist	2.1M	¥1,571	-5.1%	¥3M ($16K)
2026-05-11	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	271.0K	¥1,980	-17.1%	¥537M ($3.5M)
2025-12-03	BUY	negotiated	株式会社リッチモンド	activist	2.1M	¥1,504	-34.9%	¥4.3B ($27.5M)
2025-12-03	BUY	negotiated	上田トモ子	activist	300.0K	¥1,504	-34.9%	¥609M ($3.9M)
2025-12-03	SELL	negotiated	上田満弘	activist	355.5K	¥1,504	-34.9%	¥721M ($4.7M)
2025-10-22	BUY	negotiated	株式会社リッチモンド Richmond Co., Ltd.	activist	2.1M	¥1,396	+45.3%	¥2.9B ($18.9M)
2025-10-22	BUY	negotiated	上田トモ子 Tomoko Ueda	activist	300.0K	¥1,396	+45.3%	¥419M ($2.7M)
2025-10-22	SELL	negotiated	上田満弘 Mitsuhiro Ueda	activist	409.6K	¥1,396	-45.3%	¥78M ($505K)
2025-07-08	SELL	negotiated	株式会社リッチモンド Richmond Co., Ltd.	activist	2.1M	¥1,316	-54.2%	¥6M ($41K)
2025-07-08	SELL	negotiated	上田トモ子 Tomoko Ueda	activist	300.0K	¥1,316	-54.2%	¥1M ($9K)
2025-07-08	SELL	negotiated	株式会社リッチモンド Richmond Co., Ltd.	activist	2.1M	¥1,316	-54.2%	¥6M ($41K)
2025-07-08	SELL	negotiated	上田トモ子 Tomoko Ueda	activist	300.0K	¥1,316	-54.2%	¥1M ($9K)
2025-07-08	SELL	negotiated	株式会社リッチモンド Richmond Co., Ltd.	activist	2.1M	¥1,316	-54.2%	¥6M ($41K)
2025-07-08	SELL	negotiated	上田トモ子 Tomoko Ueda	activist	300.0K	¥1,316	-54.2%	¥1M ($9K)
2025-07-08	SELL	negotiated	上田満弘 Mitsuhiro Ueda	activist	465.7K	¥1,316	-54.2%	¥211M ($1.4M)
2025-07-08	SELL	negotiated	上田満弘 Mitsuhiro Ueda	activist	465.7K	¥1,316	-54.2%	¥211M ($1.4M)
2025-07-08	SELL	negotiated	上田満弘 Mitsuhiro Ueda	activist	465.7K	¥1,316	-54.2%	¥211M ($1.4M)
2024-09-06	SELL	Market Buy	シンプレクス・アセット・マネジメント株式会社 Simplex Asset Management Co., Ltd.	passive	293.0K	¥1,205	-68.4%	¥94M ($608K)
2023-09-11	SELL	negotiated	上田満弘 Mitsuhiro Ueda	activist	645.7K	¥1,631	-24.4%	¥3M ($17K)
2023-09-11	SELL	negotiated	株式会社リッチモンド Richmond Co., Ltd.	activist	2.1M	¥1,631	-24.4%	¥67M ($430K)
2023-09-11	SELL	negotiated	上田トモ子 Tomoko Ueda	activist	300.0K	¥1,631	-24.4%	¥10M ($62K)
2023-02-03	BUY	negotiated	株式会社リッチモンド Richmond Co., Ltd.	activist	2.1M	¥1,315	+54.3%	¥89M ($573K)
2023-02-03	BUY	negotiated	株式会社リッチモンド Richmond Co., Ltd.	activist	2.1M	¥1,315	+54.3%	¥89M ($573K)
2023-02-03	SELL	negotiated	上田トモ子 Tomoko Ueda	activist	300.0K	¥1,315	-54.3%	¥3M ($22K)
2023-02-03	SELL	negotiated	上田トモ子 Tomoko Ueda	activist	300.0K	¥1,315	-54.3%	¥3M ($22K)
2023-02-03	SELL	negotiated	上田満弘 Mitsuhiro Ueda	activist	645.7K	¥1,315	-54.3%	¥101M ($649K)
2023-02-03	SELL	negotiated	上田満弘 Mitsuhiro Ueda	activist	645.7K	¥1,315	-54.3%	¥101M ($649K)
2022-01-17	SELL	negotiated	上田満弘 Mitsuhiro Ueda	activist	725.2K	¥967	-109.8%	¥505K ($3K)
2022-01-17	BUY	negotiated	株式会社リッチモンド Richmond Co., Ltd.	activist	2.0M	¥967	+109.8%	¥23M ($150K)
2022-01-17	SELL	negotiated	上田トモ子 Tomoko Ueda	activist	300.0K	¥967	-109.8%	¥3M ($20K)
2022-01-17	SELL	negotiated	株式会社リッチモンド Richmond Co., Ltd.	activist	2.0M	¥967	-109.8%	¥18M ($117K)
2022-01-17	SELL	negotiated	上田トモ子 Tomoko Ueda	activist	300.0K	¥967	-109.8%	¥3M ($20K)
2022-01-17	SELL	negotiated	上田満弘 Mitsuhiro Ueda	activist	725.2K	¥967	-109.8%	¥505K ($3K)
2021-06-07	SELL	Market Buy	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	5.1K	¥2,777	+26.9%	¥14M ($93K)
2021-06-07	BUY	Market Buy	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	5.1K	¥2,777	-26.9%	¥3M ($17K)
2021-06-07	BUY	Market Buy	モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	27.4K	¥2,777	-26.9%	¥70M ($454K)
2021-05-20	BUY	Market Buy	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	10.3K	¥3,230	-37.2%	¥8M ($54K)
2021-05-20	BUY	Market Buy	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	420.0K	¥3,230	-37.2%	¥53M ($345K)
2021-05-20	BUY	Market Buy	モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	2.0K	¥3,230	-37.2%	¥501M ($3.2M)
2021-05-10	SELL	Market Buy	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	7.8K	¥3,270	+38.0%	¥652M ($4.2M)
2021-05-10	BUY	Market Buy	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	403.8K	¥3,270	-38.0%	¥1.3B ($8.4M)
2021-05-10	BUY	Market Buy	モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	300	¥3,270	-38.0%	¥225M ($1.5M)
2021-04-22	BUY	unknown	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	1.9K	¥3,815	-46.8%	¥790M ($5.1M)
2021-04-22	SELL	unknown	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	427.3K	¥3,815	+46.8%	¥99K ($637)
2021-04-22	SELL	unknown	モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	-17.0K	¥3,815	+46.8%	¥1.2B ($8.1M)
2021-04-07	BUY	Market Buy	モルガン・スタンレー・アンド・カンパニー・エルエルシー Morgan Stanley & Co. LLC	other	100	¥3,880	-47.7%	¥388K ($3K)
2021-04-07	BUY	Market Buy	モルガン・スタンレー・アンド・カンパニー・インターナショナル・ピーエルシー Morgan Stanley & Co. International plc	other	430.2K	¥3,880	-47.7%	¥88M ($570K)
2021-04-07	BUY	Market Buy	モルガン・スタンレーMUFG証券株式会社 Morgan Stanley MUFG Securities Co., Ltd.	other	3.1K	¥3,880	-47.7%	¥201M ($1.3M)

Showing the 50 most recent of 53 filings.

Frequently asked questions

Who has been buying Pacific Net Co.,Ltd. stock?: 8 distinct investors have filed 17 disclosed large-shareholding filings in Pacific Net Co.,Ltd. (3021), most recently on 2026-05-11. 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 Pacific Net Co.,Ltd. have?: Pacific Net Co.,Ltd. has 17 buy-side and 28 sell-side disclosures on record, covering ¥2.5B ($16.3M) in total reported value, spanning 2021-03-22 to 2026-05-11.
Where does StockDrifts get Pacific Net 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 Pacific Net Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.