PPrivate Fund Data
CompaniesFundsPeopleRankingsScreener

New Mountain Finance Advisers, L.L.C.

● SEC registered since 2010CRD 155493SEC# 801-71948New York, NY
Export (members)
Ranks #804 of 6,004 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 804 of 6,004 private fund managers.

New Mountain Finance Advisers, L.L.C. private funds

7 funds · $1.21B GAV
FundTypeGross assetsMin.
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
See all 7 funds — unlock the full record.
Join to unlock · $37/mo

New Mountain Finance Advisers, L.L.C. owners & executives

13 reported
NameTitleOwnershipSince
Adam Brett Weinstein ControlManaging Director, President And Firm Chief Operating OfficerUnder 5%2013
John Randolph Kline ControlManaging Director And Chief Executive OfficerUnder 5%2023
Joseph Wesley HartswellManaging Director And Chief Compliance OfficerUnder 5%2022
See all 13 owners & executives — unlock the full record.
Join to unlock · $37/mo

Frequently 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

Address1633 Broadway, 48th Floor, New York, NY 10019
Phone212-720-0300
Office hours8:30 a.m. - 6:00 p.m.
SEC regionNew York Regional Office (NYRO)
CIK1527830
Discloses disciplinary historyNo

Regulatory AUM

$11.23B▲ 11%
Mar '25 — $10.13BApr '25 — $10.13BMay '25 — $10.13BJun '25 — $10.13BJul '25 — $10.13BAug '25 — $10.13BSep '25 — $10.13BOct '25 — $10.13BNov '25 — $10.13BDec '25 — $10.13BJan '26 — $10.13BFeb '26 — $10.13BMar '26 — $11.23BApr '26 — $11.23BMay '26 — $11.23BJun '26 — $11.23B
Mar '25Form ADV, monthlyJun '26

How this firm compares

Regulatory AUMTop 8%
Larger than 92% of 16,271 advisers
AUM vs fund managersTop 13%
Larger than 87% of 6,004 private-fund managers
Number of fundsTop 33%
More funds than 67% of fund managers
EmployeesTop 3%
More than 97% of 16,825 advisers

Assets under management

$11.23Bregulatory AUM
Discretionary $11.23B

Fund type mix

Private Equity6
Real Estate1

Service providers