Who has been buying Icom Incorporated stock?

3 distinct investors have filed 3 disclosed large-shareholding filings in Icom Incorporated (6820), most recently on 2025-12-23. 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 Icom Incorporated have?

Icom Incorporated has 3 buy-side and 5 sell-side disclosures on record, covering ¥865M ($5.6M) in total reported value, spanning 2021-05-20 to 2025-12-23.

Where does StockDrifts get Icom Incorporated 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.

Icom Incorporated 6820

Company

アイコム株式会社Icom Incorporated

Investors

Buys

Total Value

¥865M ($5.6M)

Avg Return

+32.06%

Last Filing

2025-12-23

Icom Incorporated (6820) has 3 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥865M ($5.6M) in reported transaction value. The earliest filing StockDrifts holds for Icom Incorporated is dated 2021-05-20; the most recent is 2025-12-23. 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 +32.06%, 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
2026-05-22	BUY	Market Buy	カナメ・キャピタル・エルピー(Kaname Capital,L.P.) Kaname Capital, L.P.	passive	743.7K	¥3,020	-2.5%	¥2.2B ($14.5M)
2025-12-23	BUY	Market Buy	株式会社アイビー	passive	374.5K	¥2,832	-12.5%	¥1.2B ($7.7M)
2025-12-23	BUY	Market Buy	株式会社UH Partners 2	passive	891.3K	¥2,832	-12.5%	¥2.8B ($18.3M)
2025-12-23	BUY	Market Buy	光通信株式会社	passive	685.2K	¥2,832	-12.5%	¥2.2B ($14.1M)
2025-10-02	BUY	Market Buy	株式会社アイビー IB, Inc.	passive	374.5K	¥3,060	+4.1%	¥1.1B ($7.4M)
2025-10-02	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	891.3K	¥3,060	-4.1%	¥350M ($2.3M)
2025-10-02	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	685.2K	¥3,060	-4.1%	¥1.5B ($9.9M)
2025-06-06	BUY	Market Buy	株式会社アイビー IB, Inc.	passive	374.5K	¥3,010	+5.8%	¥1.1B ($7.3M)
2025-06-06	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.0M	¥3,010	-5.8%	¥1.1B ($7.3M)
2025-06-06	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥3,010	+5.8%	¥3.6B ($23.0M)
2025-04-30	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.4M	¥2,699	+18.0%	¥3.7B ($24.0M)
2025-04-30	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥2,699	-18.0%	¥305M ($2.0M)
2022-04-26	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.4M	¥2,339	+36.2%	¥104M ($672K)
2022-04-26	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.3M	¥2,339	-36.2%	¥347M ($2.2M)
2021-06-01	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.3M	¥2,416	+31.8%	¥380M ($2.5M)
2021-06-01	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.4M	¥2,416	+31.8%	¥3.5B ($22.5M)
2021-05-20	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.2M	¥2,485	+28.2%	¥380M ($2.5M)
2021-05-20	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.4M	¥2,485	+28.2%	¥3.6B ($23.2M)

Frequently asked questions

Who has been buying Icom Incorporated stock?: 3 distinct investors have filed 3 disclosed large-shareholding filings in Icom Incorporated (6820), most recently on 2025-12-23. 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 Icom Incorporated have?: Icom Incorporated has 3 buy-side and 5 sell-side disclosures on record, covering ¥865M ($5.6M) in total reported value, spanning 2021-05-20 to 2025-12-23.
Where does StockDrifts get Icom Incorporated 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 Icom Incorporated. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.