AltMountain

Sandbrook Capital Management LP

Stamford, CT · CRD 317009
Private equity manager

Sandbrook Capital Management LP is an SEC-registered investment adviser based in Stamford, CT that reports managing 17 private funds on Form ADV, including 17 private equity funds. It reports $4.6 billion in regulatory assets under management. Its private funds hold $1.5 billion in gross assets.

Regulatory assets under management
$4.6 billionForm ADV Item 5.F
Gross assets of private funds
$1.5 billionAll private fund types, Form ADV
Private funds managed
17PE 17 · VC 0 · hedge 0
Employees
29Form ADV Item 5.A
Registration
SEC-registered adviserCRD 317009
Latest Form ADV
03/30/2026Disciplinary disclosures: none reported

Private equity funds filing Form D (3)

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 (3)

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

Fund vehicles: feeder funds and single-deal vehicles (6)

Fund
Gross assets
Minimum
Owners
Adviser
Sandbrook Hf Co-Invest LP
Delaware, United StatesPrivate equity fund
Gross assets$48.5M
MinimumNone set
Owners6
AdviserSandbrook Capital Management LP
Sandbrook Nxw Co-Invest LP
Delaware, United StatesPrivate equity fund
Gross assets$28.6M
MinimumNone set
Owners8
AdviserSandbrook Capital Management LP
Sandbrook Nxw Co-Invest II LP
CanadaPrivate equity fund
Gross assets$22.1M
MinimumNone set
Owners1
AdviserSandbrook Capital Management LP
Sandbrook Climate Infrastructure Fund Co-Investment I-B LP
Delaware, United StatesPrivate equity fund
Gross assets$19.2M
MinimumNone set
Owners1
AdviserSandbrook Capital Management LP
Sandbrook Climate Infrastructure Fund Co-Investment I-C LP
Delaware, United StatesPrivate equity fund
Gross assets$8.6M
MinimumNone set
Owners1
AdviserSandbrook Capital Management LP
Sandbrook Climate Infrastructure Fund Co-Investment I-A LP
Delaware, United StatesPrivate equity fund
Gross assets$14K
MinimumNone set
Owners1
AdviserSandbrook Capital Management 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