Who has been buying PRONEXUS Inc. stock?

3 distinct investors have filed 7 disclosed large-shareholding filings in PRONEXUS Inc. (7893), most recently on 2026-02-10. 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 PRONEXUS Inc. have?

PRONEXUS Inc. has 7 buy-side and 3 sell-side disclosures on record, covering ¥11.2B ($72.3M) in total reported value, spanning 2021-03-25 to 2026-02-10.

Where does StockDrifts get PRONEXUS Inc. 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.

PRONEXUS Inc. 7893

Company

株式会社プロネクサスPRONEXUS Inc.

Investors

Buys

Total Value

¥11.2B ($72.3M)

Avg Return

+9.16%

Last Filing

2026-02-10

PRONEXUS Inc. (7893) has 7 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥11.2B ($72.3M) in reported transaction value. The earliest filing StockDrifts holds for PRONEXUS Inc. is dated 2021-03-25; the most recent is 2026-02-10. 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 +9.16%, 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
2026-07-23	SELL	unknown	エフエムアールインベストメントマネジメントユーケーリミテッド (FMR Investment Management (UK) Limited) FMR Investment Management (UK) Limited	other	1.4M	¥1,159	+0.9%	¥90M ($580K)
2026-06-26	SELL	unknown	上野守生 UENO MORIO	other	3.2M	¥1,086	-6.8%	¥304M ($2.0M)
2026-06-18	BUY	Market Buy	フィデリティマネジメントアンドリサーチカンパニーエルエルシー (Fidelity Management & Research Company LLC) Fidelity Management & Research Company LLC	corporate	1.7M	¥1,053	+10.3%	¥260M ($1.7M)
2026-06-18	SELL	unknown	フィデリティマネジメントアンドリサーチカンパニーエルエルシー (Fidelity Management & Research Company LLC) Fidelity Management & Research Company LLC	corporate	1.5M	¥1,053	-10.3%	¥298M ($1.9M)
2026-02-10	BUY	unknown	上野由紀子	strategic	296.3K	¥1,190	+7.6%	¥326M ($2.1M)
2026-02-10	SELL	unknown	上野守生	other	3.5M	¥1,190	+7.6%	¥3.9B ($24.9M)
2026-02-06	SELL	unknown	エフエムアールエルエルシー（FMR LLC） FMR LLC	other	1.5M	¥1,174	+6.3%	¥355M ($2.3M)
2025-03-14	SELL	unknown	上野守生 Morio Ueno	other	3.8M	¥1,316	+16.4%	¥365M ($2.4M)
2025-03-14	BUY	unknown	上野由紀子 Yukiko Ueno	strategic	296.3K	¥1,316	-16.4%	¥390M ($2.5M)
2022-12-07	BUY	Market Buy	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	1.8M	¥951	+15.7%	¥306M ($2.0M)
2022-10-03	BUY	unknown	上野由紀子 Yukiko Ueno	strategic	296.3K	¥957	+14.9%	¥284M ($1.8M)
2022-10-03	BUY	unknown	上野守生 Morio Ueno	other	4.1M	¥957	+14.9%	¥3.9B ($24.9M)
2022-09-12	BUY	unknown	上野由紀子 Yukiko Ueno	strategic	296.3K	¥971	+13.3%	¥11M ($69K)
2022-09-12	BUY	unknown	上野守生 Morio Ueno	other	4.4M	¥971	+13.3%	¥4.2B ($27.0M)
2021-08-06	BUY	unknown	上野由紀子 Yukiko Ueno	strategic	296.3K	¥1,034	+6.4%	¥306M ($2.0M)
2021-08-06	BUY	unknown	上野守生 Morio Ueno	other	6.4M	¥1,034	+6.4%	¥6.5B ($42.0M)
2021-03-25	BUY	Market Buy	上野由紀子 Yukiko Ueno	strategic	296.3K	¥1,096.929	+0.3%	¥22M ($142K)
2021-03-25	BUY	Market Buy	上野守生 Morio Ueno	other	7.3M	¥1,096.929	+0.3%	¥523M ($3.4M)

Frequently asked questions

Who has been buying PRONEXUS Inc. stock?: 3 distinct investors have filed 7 disclosed large-shareholding filings in PRONEXUS Inc. (7893), most recently on 2026-02-10. 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 PRONEXUS Inc. have?: PRONEXUS Inc. has 7 buy-side and 3 sell-side disclosures on record, covering ¥11.2B ($72.3M) in total reported value, spanning 2021-03-25 to 2026-02-10.
Where does StockDrifts get PRONEXUS Inc. 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 PRONEXUS Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.