New Mountain Finance Advisers, L.L.C.
● SEC registered since 2010CRD 155493SEC# 801-71948New York, NY
Ranks #805 of 6,030 private fund managers by regulatory AUM.
Reg. AUM
$11.23B
Fund GAV
$1.21B
Private funds
7
Employees
235
Accounts
13
Location
New York, NY
New Mountain Finance Advisers, L.L.C. assets under management
New Mountain Finance Advisers, L.L.C. is an investment advisory firm registered with the SEC based in New York, NY. The firm has been registered since 2010. It reports $11.2 billion in regulatory assets under management and employs 235 people. New Mountain Finance Advisers, L.L.C. manages 7 private funds with combined gross assets of $1.2 billion, including New Mountain Net Lease Partners II, L.P. By regulatory assets, it ranks 805 of 6,030 private fund managers.
New Mountain Finance Advisers, L.L.C. private funds
7 funds · $1.21B GAV| Fund | Type | Gross assets | Min. |
|---|---|---|---|
| New Mountain Net Lease Partners II, L.P. | Real Estate | $918.5M | — |
| H-1 Credit Fund I, L.P. | Private Equity | $87.8M | — |
| I-1 Credit Fund I, L.P. | Private Equity | $83.7M | — |
| New Mountain Guardian II Master Fund-B, L.P. | Private Equity | $67.1M | — |
| New Mountain Guardian II Master Fund-A, L.P. | Private Equity | $38.2M | — |
| New Mountain Guardian Partners II, L.P. | Private Equity | $17.9M | — |
| New Mountain Guardian Partners II Offshore, L.P. | Private Equity | — | — |
New Mountain Finance Advisers, L.L.C. owners & executives
13 reported| Name | Title | Ownership | Since |
|---|---|---|---|
| Adam Brett Weinstein Control | Managing Director, President And Firm Chief Operating Officer | Under 5% | 2013 |
| John Randolph Kline Control | Managing Director And Chief Executive Officer | Under 5% | 2023 |
| Joseph Wesley Hartswell | Managing Director And Chief Compliance Officer | Under 5% | 2022 |
| Kellie Nicole Steele | Director And Net Lease Chief Financial Officer | Under 5% | 2025 |
| Laura Holson Boswerger Control | Managing Director And Credit Chief Operating Officer, Chief Financial Officer | Under 5% | 2023 |
| New Mountain Capital Group, L.P. Control | Member | Over 75% | 2010 |
| Peter Edward Kaplan Control | Managing Director And Portfolio Manager | Under 5% | 2017 |
| Steven Bruce Klinsky Control | Founder | 50-75% | 2010 |
| Nm Holdings GP, L.L.C. Control | General Partner | — | 2018 |
| Nm Holdings GP, L.L.C. Control | General Partner | — | 2018 |
See all 13 owners & executives — unlock the full record.
Join to unlock · $37/moFrequently asked questions
How much does New Mountain Finance Advisers, L.L.C. manage?
New Mountain Finance Advisers, L.L.C. reports $11.2 billion in regulatory assets under management on its Form ADV.
How many private funds does New Mountain Finance Advisers, L.L.C. manage?
New Mountain Finance Advisers, L.L.C. manages 7 private funds with combined gross assets of $1.2 billion.
How many employees does New Mountain Finance Advisers, L.L.C. have?
New Mountain Finance Advisers, L.L.C. reports 235 employees.
Where is New Mountain Finance Advisers, L.L.C. located?
New Mountain Finance Advisers, L.L.C. is based in New York, NY and has been SEC-registered since 2010.
Does New Mountain Finance Advisers, L.L.C. disclose fund performance?
New Mountain Finance Advisers, L.L.C. is not required to publicly disclose fund returns. Form ADV filings include assets, ownership, and service providers, shown above.
Contact & registration
| Address | 1633 Broadway, 48th Floor, New York, NY 10019 |
| Phone | 212-720-0300 |
| Office hours | 8:30 a.m. - 6:00 p.m. |
| SEC region | New York Regional Office (NYRO) |
| CIK | 1527830 |
| Discloses disciplinary history | No |
Regulatory AUM
$11.23B▲ 11%
Mar '25Form ADV, monthlyJul '26
How this firm compares
Regulatory AUMTop 8%
Larger than 92% of 16,306 advisers
AUM vs fund managersTop 13%
Larger than 87% of 6,030 private-fund managers
Number of fundsTop 33%
More funds than 67% of fund managers
EmployeesTop 3%
More than 97% of 16,824 advisers
Assets under management
$11.23Bregulatory AUM
Discretionary $11.23B
Fund type mix
Private Equity6
Real Estate1