Who has been buying Inbound Tech Inc. stock?

11 distinct investors have filed 23 disclosed large-shareholding filings in Inbound Tech Inc. (7031), most recently on 2026-04-07. 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 Inbound Tech Inc. have?

Inbound Tech Inc. has 23 buy-side and 14 sell-side disclosures on record, covering ¥595M ($3.8M) in total reported value, spanning 2021-06-18 to 2026-04-07.

Where does StockDrifts get Inbound Tech 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.

Inbound Tech Inc. 7031

Company

株式会社インバウンドテックInbound Tech Inc.

Investors

Buys

Total Value

¥595M ($3.8M)

Avg Return

-37.15%

Last Filing

2026-04-07

Inbound Tech Inc. (7031) has 23 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥595M ($3.8M) in reported transaction value. The earliest filing StockDrifts holds for Inbound Tech Inc. is dated 2021-06-18; the most recent is 2026-04-07. 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 -37.15%, 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
2026-06-16	SELL	Market Buy	株式会社エスアイエル	passive	4.7K	¥640	-2.8%	¥354K ($2K)
2026-06-16	BUY	unknown	藤島義琢 Yoshitaka Fujishima	activist	138.4K	¥640	+2.8%	¥89M ($571K)
2026-06-16	SELL	Market Buy	株式会社UH6	passive	179.0K	¥640	-2.8%	¥11M ($71K)
2026-06-16	SELL	Market Buy	株式会社UH Partners 3	passive	185.0K	¥640	-2.8%	¥11M ($73K)
2026-06-16	SELL	Market Buy	株式会社UH Partners 2	passive	6.0K	¥640	-2.8%	¥354K ($2K)
2026-06-16	BUY	Market Buy	株式会社光通信	passive	240.8K	¥640	+2.8%	¥154M ($994K)
2026-06-16	SELL	Market Buy	光通信株式会社	passive	181.0K	¥640	-2.8%	¥11M ($72K)
2026-04-07	BUY	Market Buy	株式会社UH6	passive	179.0K	¥571	+14.9%	¥102M ($659K)
2026-04-07	BUY	Market Buy	株式会社エスアイエル	passive	4.7K	¥571	+14.9%	¥3M ($17K)
2026-04-07	SELL	Market Buy	株式会社UH Partners 3	passive	185.0K	¥571	-14.9%	¥1M ($8K)
2026-04-07	SELL	Market Buy	株式会社UH Partners 2	passive	6.0K	¥571	-14.9%	¥103M ($667K)
2026-04-07	BUY	Market Buy	光通信株式会社	passive	181.0K	¥571	+14.9%	¥576K ($4K)
2026-03-05	BUY	Market Buy	株式会社Shelter Shelter	passive	326.4K	¥618	-10.0%	¥16M ($105K)
2025-12-10	BUY	Market Buy	株式会社Shelter Shelter	passive	296.4K	¥630	-11.8%	¥17M ($107K)
2025-11-21	BUY	Market Buy	株式会社Shelter Shelter	passive	270.0K	¥749	-25.8%	¥19M ($125K)
2025-11-21	BUY	Market Buy	株式会社Shelter Shelter	passive	270.0K	¥749	-25.8%	¥19M ($125K)
2025-11-07	BUY	Market Buy	下大薗豊 Yutaka Shimooozono	activist	370.3K	¥769	-27.7%	¥25M ($160K)
2025-11-07	BUY	Market Buy	下大薗豊 Yutaka Shimooozono	activist	370.8K	¥769	-27.7%	¥383K ($2K)
2025-09-29	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	185.0K	¥781	-28.8%	¥7M ($44K)
2025-09-29	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	185.0K	¥781	-28.8%	¥7M ($44K)
2025-09-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	177.8K	¥781	-28.8%	¥12M ($77K)
2024-08-28	BUY	Market Buy	株式会社Shelter Shelter	passive	256.4K	¥825	-32.6%	¥25M ($164K)
2024-08-21	BUY	Market Buy	株式会社Shelter Shelter	passive	225.4K	¥821	-32.3%	¥25M ($164K)
2024-08-16	BUY	Market Buy	株式会社Shelter Shelter	passive	251.4K	¥836	-33.5%	¥48M ($306K)
2024-06-12	BUY	Market Buy	株式会社Shelter Shelter	passive	194.5K	¥1,038	-46.4%	¥27M ($175K)
2024-03-18	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	185.0K	¥1,143	-51.4%	¥211M ($1.4M)
2024-03-18	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	185.0K	¥1,143	-51.4%	¥211M ($1.4M)
2024-03-18	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	170.5K	¥1,143	-51.4%	¥32M ($205K)
2024-02-29	BUY	Market Buy	下大薗豊 Yutaka Shimooozono	activist	353.5K	¥1,254	-55.7%	¥8M ($51K)
2024-02-22	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	185.0K	¥1,100	-49.5%	¥204M ($1.3M)
2024-02-22	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	185.0K	¥1,100	-49.5%	¥204M ($1.3M)
2024-02-22	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	142.9K	¥1,100	-49.5%	¥157M ($1.0M)
2024-02-20	BUY	Market Buy	株式会社リンクコーポレイトコミュニケーションズ Link Corporate Communications Inc.	passive	154.2K	¥1,075	-48.3%	¥166M ($1.1M)
2024-02-20	SELL	Market Buy	株式会社リンクコーポレイトコミュニケーションズ Link Corporate Communications Inc.	passive	0	¥1,075	+48.3%	¥500M ($3.2M)
2024-02-19	BUY	unknown	株式会社グローバルキャスト Global Cast Co.,Ltd.	strategic	239.5K	¥1,148	-51.6%	¥75M ($484K)
2024-02-19	BUY	unknown	株式会社グローバルキャスト Global Cast Co.,Ltd.	strategic	239.5K	¥1,148	-51.6%	¥75M ($484K)
2023-12-28	BUY	Market Buy	株式会社Shelter Shelter	passive	168.2K	¥994	-44.1%	¥30M ($195K)
2023-12-21	BUY	Market Buy	株式会社Shelter Shelter	passive	138.0K	¥992	-44.0%	¥137M ($883K)
2023-12-21	BUY	Market Buy	株式会社Shelter Shelter	passive	138.0K	¥992	-44.0%	¥137M ($883K)
2022-11-25	SELL	Market Buy	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	101.1K	¥1,364	+59.2%	¥40M ($260K)
2022-10-04	SELL	Market Buy	株式会社ハローコミュニケーションズ Hello Communications Co., Ltd.	unknown	0	¥1,516.67	+63.3%	¥3M ($22K)
2022-10-04	BUY	Market Buy	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	43.6K	¥1,516.67	-63.3%	¥65M ($421K)
2022-09-30	SELL	Market Buy	株式会社ハローコミュニケーションズ Hello Communications Co., Ltd.	passive	2.3K	¥1,453.33	+61.7%	¥15M ($98K)
2022-09-30	BUY	Market Buy	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	52.5K	¥1,453.33	-61.7%	¥76M ($492K)
2022-09-29	SELL	Market Buy	株式会社ハローコミュニケーションズ Hello Communications Co., Ltd.	passive	12.7K	¥1,498.33	+62.9%	¥21M ($138K)
2022-09-29	BUY	Market Buy	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	52.5K	¥1,498.33	-62.9%	¥79M ($507K)
2022-09-26	SELL	Market Buy	株式会社ハローコミュニケーションズ Hello Communications Co., Ltd.	passive	27.0K	¥1,588.33	+65.0%	¥17M ($108K)
2022-09-26	BUY	Market Buy	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	52.5K	¥1,588.33	-65.0%	¥83M ($538K)
2022-09-15	SELL	Market Buy	株式会社ハローコミュニケーションズ Hello Communications Co., Ltd.	passive	37.6K	¥1,700	+67.3%	¥13M ($86K)
2022-09-15	SELL	Market Buy	株式会社光通信 HIKARI TSUSHIN, Inc.	passive	52.5K	¥1,700	+67.3%	¥2M ($12K)

Showing the 50 most recent of 57 filings.

Frequently asked questions

Who has been buying Inbound Tech Inc. stock?: 11 distinct investors have filed 23 disclosed large-shareholding filings in Inbound Tech Inc. (7031), most recently on 2026-04-07. 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 Inbound Tech Inc. have?: Inbound Tech Inc. has 23 buy-side and 14 sell-side disclosures on record, covering ¥595M ($3.8M) in total reported value, spanning 2021-06-18 to 2026-04-07.
Where does StockDrifts get Inbound Tech 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 Inbound Tech Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.