J-Star
Private Equity Exempt reporting adviser
Legal name: J-Star Co., LTD.
Chiyoda, Tokyo, Japan Website
AUM
$929.2M
Private fund assets
Private funds
14
Private Equity 14
Private fund assets
$929.2M
Gross asset value
Employees
—
Last Form D raise
Aug 2024
Most recent fund filing
From SEC Form ADV filing (filed Dec 24, 2025). View on SEC
People(5)
Owners and executive officers named on the firm's SEC Form ADV.
H
I
K
R
T
Funds(14)
Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.
| Fund | Type | Gross assets | Raised (Form D) | Investors | Last Form D | Recency |
|---|---|---|---|---|---|---|
| Kohaku, LP | Private Equity | $32.2M | — | — | Aug 2024 | Cold |
| Ruri, LP | Private Equity | $28.4M | — | — | Aug 2024 | Cold |
| Menou, LP | Private Equity | $19.9M | — | — | Aug 2024 | Cold |
| Flag Holdings, LP | Private Equity | $113.2M | — | — | Nov 2023 | Cold |
| Cor Holding, LP | Private Equity | $44.6M | — | — | Nov 2023 | Cold |
| J-Star No.5-D, LP | Private Equity | $49.3M | — | — | Feb 2022 | Cold |
| J-Star No.5-C, LP | Private Equity | $122.5M | — | — | Dec 2021 | Cold |
| J-Star No.5-B, LP | Private Equity | $109.5M | — | — | Dec 2021 | Cold |
| J-Star No.4-D, LP | Private Equity | $107.9M | — | — | Jul 2019 | Cold |
| J-Star No.4-C, LP | Private Equity | $106.7M | — | — | Jul 2019 | Cold |
| J-Star No.4-B, LP | Private Equity | $100.6M | — | — | Jul 2019 | Cold |
| J-Star No.3 Jc, LP | Private Equity | $30.2M | $13.0M | 3 | Mar 2017 | Cold |
| J-Star No.3 Jf, LP. | Private Equity | $35.4M | $12.6M | 11 | Jan 2017 | Cold |
| J-Star No.3 Gf LP. | Private Equity | $29.1M | $11.9M | 2 | Jan 2017 | Cold |
Board seats
Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.
No board seats matched from SEC filings yet.
Regulatory identifiers
- CRD number
- 287541
- SEC file number
- 802-110241
Sources
- SEC Form ADV Oct 14, 2026