AltMountain

Lone River Partners, LLC

Greenwich, CT · CRD 331456
Private equity managerExempt reporting

Lone River Partners, LLC is an exempt reporting adviser based in Greenwich, CT that reports managing 2 private funds on Form ADV, including 2 private equity funds. Its private funds hold $90.0 million in gross assets.

Regulatory assets under management
—Form ADV Item 5.F
Gross assets of private funds
$90.0 millionAll private fund types, Form ADV
Private funds managed
2PE 2 · VC 0 · hedge 0
Employees
—Form ADV Item 5.A
Registration
Exempt reporting adviserCRD 331456
Latest Form ADV
03/26/2026Disciplinary disclosures: none reported

Private equity funds filing Form D (1)

Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.

Fund vehicles: feeder funds and single-deal vehicles (2)

Fund
Gross assets
Minimum
Owners
Adviser
Lone River Mc Spv, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$72.1M
MinimumNone set
Owners18
AdviserLone River Partners, LLC
Lone River Cl Spv, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$17.4M
MinimumNone set
Owners16
AdviserLone River Partners, LLC

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. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures