AltMountain

Simplex Asset Management Co., LTD.

Tokyo, Japan · CRD 166680
Hedge fund managerExempt reporting

Simplex Asset Management Co., LTD. is an exempt reporting adviser based in Tokyo, Japan that reports managing 6 hedge funds on Form ADV. Its private funds, of all types, hold $1.8 billion in gross assets.

Regulatory assets under management
—Form ADV Item 5.F
Gross assets of private funds
$1.8 billionAll private fund types, Form ADV
Hedge funds managed
66 private funds in total
Employees
—Form ADV Item 5.A
Registration
Exempt reporting adviserCRD 166680
Latest Form ADV
05/19/2026Disciplinary disclosures: none reported

Private funds reported on Form ADV (5)

As reported in the adviser's Form ADV filed May 29, 2024. Funds also listed from Form D are shown above.

Fund vehicles: feeder funds and single-deal vehicles (1)

Fund
Gross assets
Minimum
Owners
Adviser
Simplex Value Up Trust
Cayman IslandsHedge fund
Gross assets$13.5M
Minimum$1.0M
Owners4
AdviserSimplex Asset Management Co., LTD.

Feeder funds invest through a master fund; single-deal vehicles (SPVs, co-investments, series) hold one investment.

From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures