AltMountain

Oceansound Partners, LP

New York, NY · CRD 300935
Private equity manager

Oceansound Partners, LP is an SEC-registered investment adviser based in New York, NY that reports managing 27 private funds on Form ADV, including 27 private equity funds. It reports $6.9 billion in regulatory assets under management. Its private funds hold $6.9 billion in gross assets.

Regulatory assets under management
$6.9 billionForm ADV Item 5.F
Gross assets of private funds
$6.9 billionAll private fund types, Form ADV
Private funds managed
27PE 27 · VC 0 · hedge 0
Employees
35Form ADV Item 5.A
Registration
SEC-registered adviserCRD 300935
Latest Form ADV
10/26/2026Disciplinary 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.

Private funds reported on Form ADV (4)

As reported in the adviser's Form ADV filed Mar 25, 2024. Funds also listed from Form D are shown above.

Fund vehicles: feeder funds and single-deal vehicles (11)

Fund
Gross assets
Minimum
Owners
Adviser
Oceansound Partners Co-Invest, LP
Delaware, United StatesPrivate equity fund
Gross assets$179M
Minimum$7.0M
Owners8
AdviserOceansound Partners, LP
Oceansound Partners Co-Invest II, LP - Series C
Delaware, United StatesPrivate equity fund
Gross assets$111M
Minimum$2.0M
Owners18
AdviserOceansound Partners, LP
Oceansound Partners Co-Invest II, LP - Series B
Delaware, United StatesPrivate equity fund
Gross assets$57.4M
Minimum$2.0M
Owners5
AdviserOceansound Partners, LP
Oceansound Partners Co-Invest II, LP - Series F
Delaware, United StatesPrivate equity fund
Gross assets$54.8M
Minimum$2.0M
Owners16
AdviserOceansound Partners, LP
Oceansound Partners Co-Invest II, LP - Series E
Delaware, United StatesPrivate equity fund
Gross assets$39.4M
Minimum$2.0M
Owners5
AdviserOceansound Partners, LP
Oceansound Partners Co-Invest II, LP - Series D
Delaware, United StatesPrivate equity fund
Gross assets$36.9M
Minimum$2.0M
Owners3
AdviserOceansound Partners, LP
Oceansound Partners Co-Invest Sidecar, LP
Delaware, United StatesPrivate equity fund
Gross assets$36.2M
Minimum$2.0M
Owners4
AdviserOceansound Partners, LP
OSP Co-Invest II, LP - Mb Series
Delaware, United StatesPrivate equity fund
Gross assets$25.0M
Minimum$2.0M
Owners6
AdviserOceansound Partners, LP
OSP Co-Invest Sidecar A, LP
Delaware, United StatesPrivate equity fund
Gross assets$23.4M
Minimum$2.0M
Owners5
AdviserOceansound Partners, LP
Oceansound Partners Co-Invest II, LP - Series a
Delaware, United StatesPrivate equity fund
Gross assets$14.9M
Minimum$2.0M
Owners3
AdviserOceansound Partners, LP
Oceansound Partners Co-Invest Sidecar II, LP
Delaware, United StatesPrivate equity fund
Gross assets$10.3M
Minimum$2.0M
Owners4
AdviserOceansound Partners, LP

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