K Diamond LLC
Private Equity FundFund ID 805-9603269098Delaware, United States
Gross assets
$5.2M
Min. investment
—
Beneficial owners
27
Size rank
Top 85%
Audited
No
Structure
Master
About this fund
K Diamond LLC is a private equity fund managed by Mainline Investment Advisers, LLC. The fund reports $5.2 million in gross assets, placing it among the top 85% of private funds by size. Private funds are not required to publicly disclose returns; Form ADV reports assets, structure, and service providers, shown above.
Fund details
| Fund ID | 805-9603269098 |
| Fund type | Private Equity Fund |
| 3(c)(1) exclusion | Yes |
| 3(c)(7) exclusion | Yes |
| Master fund | Yes |
| Feeder fund | No |
| Fund of funds | No |
| Relies on exemption from registration | No |
| Annual audit | No |
| Prepared per GAAP | No |
| Sub-advised | No |
| Sales limited to qualified investors | Yes |
| % of assets independently valued | 0% |
Other funds from this manager
| Fund | Type | Gross assets |
|---|---|---|
| Mlh Holdings, LLC | Private Equity | $55.8M |
| Cape US Artestar, LLC | Private Equity | $18.3M |
| Mlip Mlh Investments, LLC | Private Equity | $17.8M |
| Mainline Cala del Sol Partners, L.P. | Real Estate | $5.7M |
| Mainline Tu-K Industries, LLC | Venture Capital | $5.1M |
| Mainline So/Unequal Partners, L.P. | Private Equity | $42K |
Frequently asked questions
How large is K Diamond LLC?
K Diamond LLC reports $5.2 million in gross assets, among the top 85% of private funds by size.
Who manages K Diamond LLC?
K Diamond LLC is managed by Mainline Investment Advisers, LLC.
Does K Diamond LLC disclose returns?
No. Private funds are not required to publicly disclose performance. Form ADV reports assets, structure, and service providers.
Manager

Wynnewood, PA
Service providers
Prime broker
None reported
Custodian
None reported
Administrator
Auditor
None reported
Reported gross assets
$5.2M▲ 45%
Mar '25Form ADV, monthlySep '26
How this fund compares
Gross assetsTop 85%
Larger than 15% of 67,635 private funds
Gross assets vs Private Equity FundsTop 84%
Larger than 16% of 31,391 private equity funds
Investor base
Adviser & related persons%
Funds of funds1%
Non-U.S. persons1%
Share of the fund's beneficial ownership reported on Form ADV. Categories can overlap.