Hedge Fund Profile

Simplex Asset Management

Absolute Return, Distressed. hedge fund manager based in Tokyo. Founded 1999.

Profile data last updated September 2026.

$2M
Assets Under Mgmt
1
Employees
1999
Year Founded
Japan
SEC Registered
📊 Fund Details
Legal Name
Simplex Asset Management
Headquarters
Tokyo, Japan
Strategies
Absolute Return Distressed Fund of Funds Long/Short
AUM
$2.0 Million
Employees
1
Year Founded
1999
SEC Registered
✓ Yes
Firm Type
Hedge Fund
📍 Address & Contact
🏢
15th Floor, Shin-Marunouchi Building
1-5-1, Marunouchi, Chiyoda-ku
Tokyo 100-6515
Japan
📞
3 5208 5211
📠
3 5208 5233
✉
inf***@simplexasset.com Unlock →
👤
car***@simplexasset.com Unlock →
Careers / HR
👥 Leadership
HM
Hiromasa Mizushima
President and CEO
AS
Ayumu Sakurai
Director
LinkedIn
TS
Takashi Shirata
Director
RA
Rei Aiba
Vice President
LinkedIn

Full email addresses for Simplex Asset Management executives and other Japan hedge funds are included in the Japan Hedge Fund List.

About Simplex Asset Management

Simplex Asset Management is a Tokyo, Japan-based Hedge Fund founded in 1999, with approximately $2.0 Million in assets under management and a team of 1 professionals. The firm focuses on Absolute Return, Distressed, Fund of Funds, Long/Short strategies.

Simplex Asset Management manages approximately $2 million. See the Asian hedge funds ranking for comparison.

Based in Tokyo, where our database profiles 53 other hedge funds.