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Hikari Tsushin, Inc. 9435

Company
株式会社光通信Hikari Tsushin, Inc.
Investors
9
Buys
21
Total Value
¥236.2B ($1.5B)
Avg Return
+39.55%
Last Filing
2026-04-23

Hikari Tsushin, Inc. (9435) has 21 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥236.2B ($1.5B) in reported transaction value. The earliest filing StockDrifts holds for Hikari Tsushin, Inc. is dated 2021-04-28; the most recent is 2026-04-23. Across these filings the average return since disclosure is +39.55%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-04-23SELLunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic0¥38,860+2.2%¥174.9B ($1.1B)
2026-04-22BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.5M¥39,220--
2026-03-26BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.5M¥40,980--
2026-03-19BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.5M¥42,230-10.0%¥190.0B ($1.2B)
2026-03-19BUYMarket Buy
重田 康光
activist1.2M¥42,230-10.0%¥186M ($1.2M)
2026-03-19BUYMarket Buy
有限会社光パワー
activist17.2M¥42,230-10.0%¥4.6B ($30.0M)
2026-03-19BUYMarket Buy
重田 康子
strategic82.5K¥42,230--
2026-03-19BUYMarket Buy
合同会社光パワー本家
strategic2.4M¥42,230-10.0%¥743M ($4.8M)
2026-03-19BUYMarket Buy
合同会社光パワーZ
strategic400.0K¥42,230-10.0%¥186M ($1.2M)
2025-04-25SELLunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic0¥39,730+4.4%¥178.7B ($1.2B)
2025-04-24BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.5M¥39,760--
2025-03-27BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.5M¥39,950--
2025-03-26BUYMarket Buy
重田康光
YASUMITSU SHIGETA
activist1.2M¥39,720-4.4%¥879M ($5.7M)
2025-03-26BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.5M¥39,720-4.4%¥178.7B ($1.2B)
2025-03-26BUYMarket Buy
有限会社光パワー
HIKARI POWER LIMITED
activist17.2M¥39,720-4.4%¥11.8B ($76.0M)
2025-03-26BUYMarket Buy
重田 康子
Yasuko Shigeta
strategic82.5K¥39,720-4.4%¥17.6B ($113.4M)
2025-03-26BUYMarket Buy
合同会社光パワー本家
Hikari Power Honke LLC
strategic2.4M¥39,720-4.4%¥1.6B ($10.2M)
2025-03-26BUYMarket Buy
合同会社光パワーZ
Hikari Power Z LLC
strategic400.0K¥39,720-4.4%¥176M ($1.1M)
2024-04-25SELLunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic0¥24,545-54.8%¥98.2B ($633.5M)
2024-04-24BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.0M¥25,160--
2024-03-27BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.0M¥28,735--
2024-03-27BUYMarket Buy
株式会社鹿児島東インド会社
Kagoshima East India Inc
strategic3.3M¥28,735+32.2%¥3.1B ($20.0M)
2024-03-27BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.0M¥28,735--
2024-03-27BUYMarket Buy
重田 光時
Mitsutoki Shigeta
strategic685.5K¥28,735+32.2%¥19.7B ($126.9M)
2024-03-27BUYMarket Buy
Kagoshima East India Limited
strategic500¥28,735--
2024-03-26BUYnegotiated
重田 康子
Yasuko Shigeta
strategic82.5K¥27,990--
2024-03-26BUYnegotiated
有限会社光パワー
HIKARI POWER LIMITED
activist17.2M¥27,990--
2024-03-26BUYMarket Buy
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.0M¥27,990+35.7%¥112.0B ($722.4M)
2024-03-26BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.0M¥27,990-¥112.0B ($722.4M)
2024-03-26BUYnegotiated
重田康光
YASUMITSU SHIGETA
activist1.2M¥27,990--
2024-03-26BUYnegotiated
合同会社光パワー本家
Hikari Power Honke LLC
strategic2.4M¥27,990--
2024-03-26BUYnegotiated
合同会社光パワーZ
Hikari Power Z LLC
strategic400.0K¥27,990--
2024-03-25BUYnegotiated
合同会社光パワー本家
Hikari Power Honke LLC
strategic2.4M¥27,770--
2024-03-25BUYnegotiated
重田 康子
Yasuko Shigeta
strategic82.5K¥27,770--
2024-03-25BUYnegotiated
重田 康光
YASUMITSU SHIGETA
activist1.2M¥27,770--
2024-03-25BUYnegotiated
有限会社光パワー
HIKARI POWER LIMITED
activist17.2M¥27,770--
2024-03-25BUYnegotiated
合同会社光パワーZ
Hikari Power Z LLC
strategic400.0K¥27,770--
2023-04-27BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic0¥18,200-¥72.8B ($469.7M)
2023-04-27BUYnegotiated
重田 康光
YASUMITSU SHIGETA
activist1.2M¥18,200--
2023-04-27SELLunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic0¥18,200-108.7%¥72.8B ($469.7M)
2023-04-27BUYnegotiated
有限会社光パワー
HIKARI POWER LIMITED
activist17.2M¥18,200--
2023-04-27BUYnegotiated
重田 康子
Yasuko Shigeta
strategic82.5K¥18,200--
2023-04-27BUYnegotiated
合同会社光パワーZ
Hikari Power Z LLC
strategic400.0K¥18,200--
2023-04-27BUYnegotiated
合同会社光パワー本家
Hikari Power Honke LLC
strategic2.4M¥18,200--
2023-04-26BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.0M¥18,190--
2023-04-26BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.0M¥18,190--
2023-03-29BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.0M¥18,670--
2023-03-29BUYunknown
公益財団法人重田教育財団
Shigeta Education Foundation
strategic4.0M¥18,670--
2023-03-28BUYMarket Buy
合同会社光パワーZ
Hikari Power Z LLC
strategic400.0K¥18,630+103.9%¥252M ($1.6M)
2023-03-28BUYMarket Buy
重田 康光
YASUMITSU SHIGETA
activist1.2M¥18,630+103.9%¥755M ($4.9M)

Showing the 50 most recent of 65 filings.

Frequently asked questions

Who has been buying Hikari Tsushin, Inc. stock?
9 distinct investors have filed 21 disclosed large-shareholding filings in Hikari Tsushin, Inc. (9435), most recently on 2026-04-23. 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 Hikari Tsushin, Inc. have?
Hikari Tsushin, Inc. has 21 buy-side and 5 sell-side disclosures on record, covering ¥236.2B ($1.5B) in total reported value, spanning 2021-04-28 to 2026-04-23.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.