Who has been buying SUNNEXTA Group Inc. stock?

8 distinct investors have filed 20 disclosed large-shareholding filings in SUNNEXTA Group Inc. (8945), most recently on 2026-02-24. 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 SUNNEXTA Group Inc. have?

SUNNEXTA Group Inc. has 20 buy-side and 21 sell-side disclosures on record, covering ¥2.0B ($13.0M) in total reported value, spanning 2021-07-30 to 2026-02-24.

Where does StockDrifts get SUNNEXTA Group 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.

SUNNEXTA Group Inc. 8945

Company

サンネクスタグループ株式会社SUNNEXTA Group Inc.

Investors

Buys

Total Value

¥2.0B ($13.0M)

Avg Return

+24.18%

Last Filing

2026-02-24

SUNNEXTA Group Inc. (8945) has 20 disclosed large-shareholding filings and 21 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥2.0B ($13.0M) in reported transaction value. The earliest filing StockDrifts holds for SUNNEXTA Group Inc. is dated 2021-07-30; the most recent is 2026-02-24. 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 +24.18%, 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
2026-02-24	BUY	Market Buy	株式会社UH5	passive	25.8K	¥1,166	+8.4%	¥33M ($210K)
2026-02-24	BUY	Market Buy	株式会社エスアイエル	passive	671.4K	¥1,166	+8.4%	¥849M ($5.5M)
2026-02-24	SELL	Market Buy	株式会社UH Partners 3	passive	701.1K	¥1,166	-8.4%	¥886M ($5.7M)
2026-02-24	SELL	Market Buy	株式会社UH Partners 2	passive	776.7K	¥1,166	-8.4%	¥982M ($6.3M)
2026-02-24	SELL	Market Buy	光通信株式会社	passive	749.6K	¥1,166	-8.4%	¥947M ($6.1M)
2025-09-29	BUY	Market Buy	株式会社UH5 UH5 Co., Ltd.	passive	15.5K	¥1,044	+21.1%	¥1.6B ($10.2M)
2025-09-29	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	563.0K	¥1,044	+21.1%	¥97M ($626K)
2025-09-29	SELL	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	701.1K	¥1,044	-21.1%	¥1M ($7K)
2025-09-29	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	776.7K	¥1,044	+21.1%	¥811M ($5.2M)
2025-09-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	749.6K	¥1,044	+21.1%	¥783M ($5.0M)
2025-06-27	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	470.5K	¥1,014	+24.6%	¥111M ($714K)
2025-06-27	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	701.1K	¥1,014	+24.6%	¥711M ($4.6M)
2025-06-27	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	776.7K	¥1,014	-24.6%	¥1M ($7K)
2025-06-27	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	749.6K	¥1,014	+24.6%	¥760M ($4.9M)
2025-03-26	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	361.0K	¥1,006	+25.6%	¥129M ($835K)
2025-03-26	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	749.6K	¥1,006	+25.6%	¥754M ($4.9M)
2025-03-26	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	701.1K	¥1,006	+25.6%	¥705M ($4.6M)
2025-03-26	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	776.7K	¥1,006	+25.6%	¥781M ($5.0M)
2025-03-18	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	232.3K	¥1,004	+25.9%	¥33M ($210K)
2025-03-18	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	701.1K	¥1,004	+25.9%	¥80M ($518K)
2025-03-18	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	776.7K	¥1,004	+25.9%	¥780M ($5.0M)
2025-03-18	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	749.6K	¥1,004	-25.9%	¥1M ($7K)
2025-01-09	SELL	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	200.4K	¥1,001	-26.3%	¥1M ($7K)
2025-01-09	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	621.9K	¥1,001	+26.3%	¥108M ($698K)
2025-01-09	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	776.7K	¥1,001	-26.3%	¥2M ($14K)
2025-01-09	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	749.6K	¥1,001	-26.3%	¥2M ($14K)
2024-10-07	SELL	negotiated	笹晃弘 Sasa Akihiro	activist	515.3K	¥1,011	-25.0%	¥145M ($934K)
2024-09-04	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	200.4K	¥995	+27.0%	¥199M ($1.3M)
2024-09-04	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	511.4K	¥995	+27.0%	¥117M ($753K)
2024-09-04	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	776.7K	¥995	+27.0%	¥773M ($5.0M)
2024-09-04	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	749.6K	¥995	+27.0%	¥746M ($4.8M)
2024-06-17	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	200.4K	¥1,059	+19.4%	¥212M ($1.4M)
2024-06-17	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	394.2K	¥1,059	+19.4%	¥155M ($1.0M)
2024-06-17	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	776.7K	¥1,059	+19.4%	¥823M ($5.3M)
2024-06-17	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	749.6K	¥1,059	+19.4%	¥794M ($5.1M)
2024-04-15	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	247.2K	¥1,018	+24.2%	¥113M ($728K)
2024-04-15	SELL	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	200.4K	¥1,018	-24.2%	¥1M ($7K)
2024-04-15	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	776.7K	¥1,018	-24.2%	¥5M ($35K)
2024-04-15	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	749.6K	¥1,018	-24.2%	¥5M ($35K)
2023-12-27	BUY	Market Buy	笹晃弘 AKIHIRO SASA	activist	663.3K	¥963	+31.3%	¥5M ($33K)
2022-08-19	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	200.4K	¥977	+29.4%	¥8M ($54K)
2022-08-19	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	135.7K	¥977	+29.4%	¥47M ($303K)
2022-08-19	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	776.7K	¥977	+29.4%	¥36M ($229K)
2022-08-19	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	749.6K	¥977	+29.4%	¥34M ($222K)
2022-07-08	SELL	negotiated	株式会社ベネフィット・ワン Benefit One Inc.	strategic	778.0K	¥1,012	-24.9%	¥13M ($84K)
2022-07-08	BUY	negotiated	株式会社ベネフィット・ワン Benefit One Inc.	strategic	778.0K	¥1,012	+24.9%	¥13M ($84K)
2022-05-27	SELL	negotiated	笹晃弘 AKIHIRO SASA	activist	688.7K	¥1,159	-9.1%	¥146M ($942K)
2022-02-21	SELL	negotiated	笹晃弘 AKIHIRO SASA	activist	808.3K	¥1,087	-16.3%	¥124M ($799K)
2022-02-16	SELL	unknown	長友孝祥 Takayoshi Nagatomo	strategic	5.6K	¥1,020	-23.9%	¥1M ($7K)
2022-02-16	SELL	unknown	長友孝祥 Takayoshi Nagatomo	strategic	5.6K	¥1,020	-23.9%	¥1M ($7K)

Showing the 50 most recent of 59 filings.

Frequently asked questions

Who has been buying SUNNEXTA Group Inc. stock?: 8 distinct investors have filed 20 disclosed large-shareholding filings in SUNNEXTA Group Inc. (8945), most recently on 2026-02-24. 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 SUNNEXTA Group Inc. have?: SUNNEXTA Group Inc. has 20 buy-side and 21 sell-side disclosures on record, covering ¥2.0B ($13.0M) in total reported value, spanning 2021-07-30 to 2026-02-24.
Where does StockDrifts get SUNNEXTA Group 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 SUNNEXTA Group Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.