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Shoichi Okoshi Insider Profile

4 Followers

Shoichi Okoshi, Shareholder at Advantest, holds 82.64M shares in Advantest (Ticker: ADTTF), holds 22.28M shares in Nomura Research Institute (Ticker: NURAF). Most recently, Shoichi Okoshi Sold ― shares of Advantest on Oct 15, 2026 for an estimated value of $2.48B.

Shoichi Okoshi's Trading History

ADTTFAdvantest		Oct 15, 2026ShareholderInformative Sell2.48B$17.89B
NURAFNomura Research Institute		Oct 05, 2026ShareholderInformative Buy92.48M$882.05M
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Shoichi Okoshi insider profile FAQ

What is the percentage of profitable transactions made by Shoichi Okoshi?
The percentage of profitable transactions made by Shoichi Okoshi is 1%.
What is the average return per transaction made by Shoichi Okoshi?
The average return per transaction made by Shoichi Okoshi is 0.10%.
What stocks does Shoichi Okoshi hold?
Shoichi Okoshi holds: ADTTF, NURAF stocks.
What was Shoichi Okoshi’s latest transaction?
Shoichi Okoshi’s latest transaction was an Informative Sell of $2.48B.
What was Shoichi Okoshi's most profitable transaction?
Shoichi Okoshi’s most profitable transaction was an Informative Buy of NURAF stock on October 5, 2026. The return on the trade was 25.90%.
What is Shoichi Okoshi's role in Advantest?
Shoichi Okoshi's role in Advantest is Shareholder.
How can I follow the stock ratings of top corporate insiders?
Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.

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