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Private equityFirminfrastructure · probablelower middle market

Sandbrook Capital Management LP

Private Equity

Stamford, CT

Sandbrook Capital is a private investment firm building infrastructure companies that support reliable, resilient and lower-carbon power systems.

This is the graph view. The full profile, with its team, deals and sources, is on Private Equity.Open the full profile →

Search this name across graphsid dfx:pe:e810c5da-5362-48fe-9501-5b863a54ff5c

Data as of Sep 15, 2026 (this record's last observation) from federal regulator filings, firm and issuer disclosures, news and newswire. Page built Sep 19, 2026, 3:03 PM UTC and rebuilt at most every 15 minutes.

Relationships: 77
Dated events: 34
On other graphs: 2
Observed: Sep 13, 2026 to Sep 15, 2026
35 observations

Across DFX

same identity by shared identifier, citation, or a bridge measured by hand

Independent Sponsorsidentity

Sandbrook Capital Management LP

Capital provider to sponsors · shared crd

RIA / Wealth Managementidentity

SANDBROOK CAPITAL MANAGEMENT LP

Registered adviser · shared crd

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Funds: 9
PE funds: 9
Vintages: 2022 to 2024
PE GAV, 2024 filing: $334Mgross asset value on Form ADV; never dry powder
Regulatory AUM: $2.1B
Investments: 9
Active investments: 2
Size band: LOWER MIDDLE MARKETderivedproxy: $0.33bn Private Equity Fund GAV on the Form ADV filed 2024-11-25
Stated sectors: infrastructure
Latest ADV filing: Nov 25, 2024
Employees (ADV): 22
Website: sandbrook.com

Funds

Fund	Vintage	Lifecycle	ADV type	Form D sold	GAV
Sandbrook Nxw Co-Invest LP	2024	Unknown	Private Equity Fund	n/a	$28.6M
Sandbrook Nxw Co-Invest II LP	2024	Unknown	Private Equity Fund	n/a	$22.1M
Sandbrook Climate Infrastructure Fund I-C LP	2023	Early deployment	Private Equity Fund	n/a	$22.2M
Sandbrook Climate Infrastructure Fund Co-Investment I-B LP	2023	Unknown	Private Equity Fund	n/a	$19.2M
Sandbrook Climate Infrastructure Fund Co-Investment I-A LP	2023	Unknown	Private Equity Fund	n/a	$14,084
Sandbrook Climate Infrastructure Fund I-B LP	2023	Early deployment	Private Equity Fund	n/a	$135M
Sandbrook Hf Co-Invest LP	2023	Unknown	Private Equity Fund	n/a	$48.5M
Sandbrook Climate Infrastructure Fund Co-Investment I-C LP	2023	Unknown	Private Equity Fund	n/a	$8.6M
Sandbrook Climate Infrastructure Fund I LP	2022	Early deployment	Private Equity Fund	n/a	$50.0M

Investments

Company	State	Role	Control	Invested	Exited	Status
United Utility Services, LLC	n/a	platform	control	Dec 22, 2025	n/a	active
NeXtWind Capital Ltd.	n/a	platform	control	Aug 9, 2023	n/a	active
Krios	n/a	unknown	unknown	n/a	n/a	unknown
intellirent	n/a	unknown	unknown	n/a	n/a	unknown
Cloverleaf Infrastructure	n/a	unknown	unknown	n/a	n/a	unknown
rPlus Energies	n/a	unknown	unknown	n/a	n/a	unknown
NeXtWind	n/a	unknown	unknown	n/a	n/a	unknown
Voltwise	n/a	unknown	unknown	n/a	n/a	unknown
Havfram	n/a	unknown	unknown	n/a	Apr 9, 2025	exited

Relationships

Manages (9)

→ Sandbrook Climate Infrastructure Fund I LPFundPrivate Equity Fund
Feb 28, 2022 to presentfactForm ADV, News and newswire
→ Sandbrook Climate Infrastructure Fund I-C LPFundPrivate Equity Fund
Mar 31, 2023 to presentfactForm ADV
→ Sandbrook Climate Infrastructure Fund Co-Investment I-A LPFundPrivate Equity Fund
Mar 31, 2023 to presentfactForm ADV
→ Sandbrook Climate Infrastructure Fund I-B LPFundPrivate Equity Fund
Mar 31, 2023 to presentfactForm ADV
→ Sandbrook Hf Co-Invest LPFundPrivate Equity Fund
Mar 31, 2023 to presentfactForm ADV
→ Sandbrook Climate Infrastructure Fund Co-Investment I-B LPFundPrivate Equity Fund
Mar 31, 2023 to presentfactForm ADV
→ Sandbrook Nxw Co-Invest II LPFundPrivate Equity Fund
Mar 26, 2024 to presentfactForm ADV
→ Sandbrook Nxw Co-Invest LPFundPrivate Equity Fund
Mar 26, 2024 to presentfactForm ADV
→ Sandbrook Climate Infrastructure Fund Co-Investment I-C LPFundPrivate Equity Fund
Mar 31, 2023 to presentfactForm ADV

Invested in (9)

→ NeXtWind Capital Ltd.Companyplatform
Aug 9, 2023 to presentfactNews and newswire
→ HavframCompanyunknown
factNews and newswire, The subject's own site
→ United Utility Services, LLCCompanyplatform
Dec 22, 2025 to presentfactNews and newswire, The subject's own site
→ rPlus EnergiesCompanyunknown
factThe subject's own site
→ NeXtWindCompanyunknown
factThe subject's own site
→ VoltwiseCompanyunknown
factThe subject's own site
→ Cloverleaf InfrastructureCompanyunknown
factThe subject's own site
→ KriosCompanyunknown
factThe subject's own site
→ intellirentCompanyunknown
factThe subject's own site

Employs (46)

→ Christopher HuntPersonPartner
factNews and newswire
→ Alfredo Antonio MartiPersonMember/Manager
Jun 1, 2023 to presentfactForm ADV, News and newswire, The subject's own site
→ Max FischerPersonSenior Associate
factThe subject's own site
→ Max LeykinPersonChief Data Science Officer
factThe subject's own site
→ Sabina Ali HaqPersonChief Compliance Officer
Nov 1, 2024 to presentfactForm ADV, The subject's own site
→ Sebastian SerraPersonManaging Director
factThe subject's own site
→ Sheenam Nmn ChadhaPersonChief Financial Officer
Jan 1, 2024 to presentfactForm ADV, The subject's own site
→ Henry FoskettPersonPrincipal
factThe subject's own site
→ Yunos SiddiqiPersonPrincipal
factThe subject's own site
→ Garrett GidlowPersonTax Vice President
factThe subject's own site
→ Jeronimo GagginiPersonVice President
factThe subject's own site
→ Jonathan LinenPersonVice President, Investor Relations
factThe subject's own site
→ Manuel CoquetPersonVice President
factThe subject's own site
→ Mari MossingPersonVice President
factThe subject's own site
→ Cory CutronePersonAssociate
factThe subject's own site
→ Courtney DownerPersonExecutive Assistant and Office Manager
factThe subject's own site
→ Danielle EstaticoPersonAssistant Controller
factThe subject's own site
→ Elizabeth CampbellPersonInvestor Relations Associate
factThe subject's own site
→ Ethan JacobsPersonAssociate
factThe subject's own site
→ Grace MenorPersonFinance Senior Associate
factThe subject's own site
→ Hannah VestringPersonInvestment Analyst
factThe subject's own site
→ Helen LiuPersonAssociate
factThe subject's own site
→ Kinga VargaPersonExecutive Assistant and Office Manager
factThe subject's own site
→ Melissa BrandleyPersonExecutive Assistant and Office Manager
factThe subject's own site
→ Michaela HolmesPersonSenior Associate
factThe subject's own site
→ Nicolas FoersterPersonAssociate
factThe subject's own site
→ Rory PatersonPersonAssociate
factThe subject's own site
→ Stephanie GorisPersonAssociate
factThe subject's own site
→ Suren KahouatyPersonController
factThe subject's own site
→ Christopher Barton HuntPersonMember/Manager
Jun 1, 2023 to presentfactForm ADV, The subject's own site
and 16 more

Owns (3)

← Sandbrook Capital Management Holdings I Inc.FirmLimited Partner
Jun 1, 2023 to presentfactForm ADV
← Sandbrook Capital Holdings LPFirmLimited Partner
Jun 1, 2023 to presentfactForm ADV
← Sandbrook Capital Holdings GP LLCFirmGeneral Partner
Jun 1, 2023 to presentfactForm ADV

Dated events

10 bookkeeping events (roster, classification and holdings changes) folded below

Occurred
Aug 21, 2026
Firm news
August 21, 2026 Cloverleaf Infrastructure Forms Strategic Partnership with NVIDIA to Accelerate Data Center Infrastructure Development Cloverleaf Infrastructure
The subject's own siteobserved 4 days ago
Occurred
Dec 22, 2025
Platform investment
Sandbrook Capital Announces Acquisition of United Utility Services from Bernhard Capital Partners
United Utility Services, LLC News and newswireobserved 5 days ago
Occurred
Dec 22, 2025
Firm news
December 22, 2025 Sandbrook Capital Announces Acquisition of United Utility Services from Bernhard Capital Partners United Utility Services
The subject's own siteobserved 4 days ago
Occurred
Dec 22, 2025
Transaction announced
Sandbrook Capital Announces Acquisition of United Utility Services from Bernhard Capital Partners
News and newswireobserved 5 days ago
Occurred
Jun 6, 2025
Firm news
June 6, 2025 rPlus Energies secures over $500 million in tax equity financing with RBC Community Investments for 800 MW Green River Energy Center rPlus Energies Source:globenewswire.com Source:globenewswire.com
The subject's own siteobserved 4 days ago
Occurred
Apr 9, 2025
Firm news
April 9, 2025 Sandbrook Capital and PSP Investments Announce Sale of Offshore Wind Pioneer Havfram to DEME Havfram
The subject's own siteobserved 4 days ago
Occurred
Apr 9, 2025
Exit
Sandbrook Capital and PSP Investments Announce Sale of Offshore Wind Pioneer Havfram to DEME Havfram
Havfram News and newswireobserved 4 days ago
Occurred
Apr 9, 2025
Transaction announced
Sandbrook Capital and PSP Investments Announce Sale of Offshore Wind Pioneer Havfram to DEME Havfram
News and newswireobserved 4 days ago
Occurred
Feb 19, 2025
Firm news
February 19, 2025 Sandbrook Capital Acquires intellirent, a Market Leader in Mission Critical Testing Equipment Solutions for Power and Infrastructure Markets intellirent
The subject's own siteobserved 4 days ago
Occurred
Jan 9, 2025
Firm news
January 9, 2025 NeXtWind acquires a 140 MW wind portfolio in Germany, increasing total repowering capacity to 1.4 GW NeXtWind Source:nextwind.de Source:nextwind.de
The subject's own siteobserved 4 days ago
Occurred
Nov 1, 2024
Person joined
Sabina Ali Haq joined Schedule A of Sandbrook Capital Management LP as Chief Compliance Officer
Form ADVobserved 5 days ago
Occurred
Aug 19, 2024
Person left
Dianna Rosser Aprile (Chief Compliance Officer) no longer on Schedule A of Sandbrook Capital Management LP
Form ADVobserved 5 days ago
Occurred
Jan 1, 2024
Person joined
Sheenam Nmn Chadha joined Schedule A of Sandbrook Capital Management LP as Chief Financial Officer
Form ADVobserved 5 days ago
Occurred
Dec 19, 2023
Firm news
December 19, 2023 NeXtWind grows faster than planned, doubles its portfolio by acquiring ten wind farms NeXtWind
The subject's own siteobserved 4 days ago
Occurred
Dec 14, 2023
Firm news
December 14, 2023 Sandbrook Capital Raises $2.1 Billion for Climate Infrastructure - Closes Inaugural Fund at Hard Cap Sandbrook
The subject's own siteobserved 4 days ago
Occurred
Dec 14, 2023
Fund final close
Sandbrook Capital Raises $2.1 Billion for Climate Infrastructure - Closes Inaugural Fund at Hard Cap Sandbrook
News and newswireobserved 2 days ago
$2.1B
Occurred
Sep 1, 2023
Person joined
Dianna Rosser Aprile joined Schedule A of Sandbrook Capital Management LP as Chief Compliance Officer
Form ADVobserved 5 days ago
Occurred
Aug 9, 2023
Firm news
August 9, 2023 Sandbrook Capital, Alongside PSP & IMCO, Announces Agreement to Acquire NeXtWind NeXtWind
The subject's own siteobserved 4 days ago
Occurred
Aug 9, 2023
Platform investment
Sandbrook Capital, Alongside PSP & IMCO, Announces Agreement to Acquire NeXtWind NeXtWind
NeXtWind Capital Ltd.News and newswireobserved 4 days ago
Occurred
Aug 9, 2023
Transaction announced
Sandbrook Capital, Alongside PSP & IMCO, Announces Agreement to Acquire NeXtWind NeXtWind
News and newswireobserved 4 days ago
Occurred
Jan 30, 2023
Firm news
January 30, 2023 Texan-Norwegian Partnership Has Floating Wind Plans for Gulf of Mexico's Oil & Gas Assets Havfram Source:offshorewind.biz Source:offshorewind.biz
The subject's own siteobserved 4 days ago
Occurred
Dec 15, 2022
Firm news
November 7, 2022 Havfram Announces that Sandbrook Capital Has Acquired a Majority Stake in the Company and Has Committed $250 Million to Fund its Future Growth Havfram
The subject's own siteobserved 4 days ago
Occurred
Dec 1, 2021
Person joined
Carl Lionel Williams joined Schedule A of Sandbrook Capital Management LP as Owner
Form ADVobserved 5 days ago
Occurred
Sep 30, 2021
Adviser first adv filing
Sandbrook Capital Management LP first filed Form ADV in the extract (IA)
Form ADVobserved 5 days ago

Show 10 bookkeeping events

Occurred
Mar 30, 2026
Sandbrook Capital Management LP: Private Equity Funds on Form ADV 9 (2024 extract) -> 17 (roster 2026-09-01)
Occurred
Mar 26, 2024
Sandbrook Nxw Co-Invest LP first reported on Form ADV by Sandbrook Capital Management LP (Private Equity Fund), GAV $28,562,314
Occurred
Mar 26, 2024
Sandbrook Nxw Co-Invest II LP first reported on Form ADV by Sandbrook Capital Management LP (Private Equity Fund), GAV $22,082,944
Occurred
Mar 31, 2023
Sandbrook Climate Infrastructure Fund I-C LP first reported on Form ADV by Sandbrook Capital Management LP (Private Equity Fund), GAV $1,150,147
Occurred
Mar 31, 2023
Sandbrook Climate Infrastructure Fund Co-Investment I-B LP first reported on Form ADV by Sandbrook Capital Management LP (Private Equity Fund)
Occurred
Mar 31, 2023
Sandbrook Hf Co-Invest LP first reported on Form ADV by Sandbrook Capital Management LP (Private Equity Fund)
Occurred
Mar 31, 2023
Sandbrook Climate Infrastructure Fund Co-Investment I-C LP first reported on Form ADV by Sandbrook Capital Management LP (Private Equity Fund)
Occurred
Mar 31, 2023
Sandbrook Climate Infrastructure Fund I-B LP first reported on Form ADV by Sandbrook Capital Management LP (Private Equity Fund), GAV $20,638,931
Occurred
Mar 31, 2023
Sandbrook Climate Infrastructure Fund Co-Investment I-A LP first reported on Form ADV by Sandbrook Capital Management LP (Private Equity Fund)
Occurred
Feb 28, 2022
Sandbrook Climate Infrastructure Fund I LP first reported on Form ADV by Sandbrook Capital Management LP (Private Equity Fund), GAV $150,000,000

Who to call

the organisation, the role and the published line, with the filing or website that published it; revealed to signed-in accounts

The firm's published line

Revealable: 1 business phone (Form ADV), 1 office address (Form ADV), 1 website (Form ADV) · as of 2026-09-13

Alfredo Antonio Marti
Member/Manager · Revealable: 1 professional profile (firm website)
Max Fischer
Senior Associate · Revealable: 1 professional profile (firm website)
Max Leykin
Chief Data Science Officer · Revealable: 1 professional profile (firm website)
Sabina Ali Haq
Chief Compliance Officer · Revealable: 1 professional profile (firm website)
Sebastian Serra
Managing Director · Revealable: 1 professional profile (firm website)
Sheenam Nmn Chadha
Chief Financial Officer · Revealable: 1 professional profile (firm website)
Henry Foskett
Principal · Revealable: 1 professional profile (firm website)
Yunos Siddiqi
Principal · Revealable: 1 professional profile (firm website)
Garrett Gidlow
Tax Vice President · Revealable: 1 professional profile (firm website)
Jeronimo Gaggini
Vice President · Revealable: 1 professional profile (firm website)
Jonathan Linen
Vice President, Investor Relations · Revealable: 1 professional profile (firm website)
Manuel Coquet
Vice President · Revealable: 1 professional profile (firm website)
Mari Mossing
Vice President · Revealable: 1 professional profile (firm website)
Cory Cutrone
Associate · Revealable: 1 professional profile (firm website)
Courtney Downer
Executive Assistant and Office Manager · Revealable: 1 professional profile (firm website)
Danielle Estatico
Assistant Controller · Revealable: 1 professional profile (firm website)
Elizabeth Campbell
Investor Relations Associate · Revealable: 1 professional profile (firm website)
Ethan Jacobs
Associate · Revealable: 1 professional profile (firm website)
Grace Menor
Finance Senior Associate · Revealable: 1 professional profile (firm website)
Hannah Vestring
Investment Analyst · Revealable: 1 professional profile (firm website)
Helen Liu
Associate · Revealable: 1 professional profile (firm website)
Kinga Varga
Executive Assistant and Office Manager · Revealable: 1 professional profile (firm website)
Melissa Brandley
Executive Assistant and Office Manager · Revealable: 1 professional profile (firm website)
Michaela Holmes
Senior Associate · Revealable: 1 professional profile (firm website)
Nicolas Foerster
Associate · Revealable: 1 professional profile (firm website)
Rory Paterson
Associate · Revealable: 1 professional profile (firm website)
Stephanie Goris
Associate · Revealable: 1 professional profile (firm website)
Suren Kahouaty
Controller · Revealable: 1 professional profile (firm website)
Christopher Barton Hunt
Member/Manager · Revealable: 1 professional profile (firm website)
Kenneth Ryan
Co-Founder and Partner · Revealable: 1 professional profile (firm website)
Carl Lionel Williams
Member/Manager · Revealable: 1 professional profile (firm website)
Andreas Nauen
Operating Partner · Revealable: 1 professional profile (firm website)
Dennis Arriola
Operating Partner · Revealable: 1 professional profile (firm website)
Esben Pedersen
Operating Partner · Revealable: 1 professional profile (firm website)
Jean Wilson
Operating Partner · Revealable: 1 professional profile (firm website)
John Jones
Operating Partner · Revealable: 1 professional profile (firm website)
John Pettigrew
Operating Partner · Revealable: 1 professional profile (firm website)
Patricia Bellinger
Operating Partner · Revealable: 1 professional profile (firm website)
Patrick Samson
Operating Partner · Revealable: 1 professional profile (firm website)

Also named here, with no published line of their own (reach them through the firm): Christopher Hunt (Partner).

Who to call is the organisation, the person's role and the line they published themselves: a business phone, office address, website or profile link from Form ADV, Form 13F or their own website, with that source named on every value. The counts above are what a reveal returns; a personal email is rarely published, so most reveals are the firm's line. Never data bought from a provider, never anything personal. Reveals by plan

Provenance

Graph: Private Equity
Canonical id: dfx:pe:e810c5da-5362-48fe-9501-5b863a54ff5c
First observed: Sep 13, 2026
Last observed: Sep 15, 2026 4 days ago
Source families: Federal regulator filings, Firm and issuer disclosures, News and newswire
4 registered feeds stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.
Resolution: Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.

Sandbrook Capital Management LP

Private Equity

Stamford, CT

Sandbrook Capital is a private investment firm building infrastructure companies that support reliable, resilient and lower-carbon power systems.

This is the graph view. The full profile, with its team, deals and sources, is on Private Equity.Open the full profile →

Search this name across graphsid dfx:pe:e810c5da-5362-48fe-9501-5b863a54ff5c

Fund

Vintage

Lifecycle

ADV type

Form D sold

GAV

LPs

Sandbrook Nxw Co-Invest LP

2024

Unknown

Private Equity Fund

n/a

$28.6M

Sandbrook Nxw Co-Invest II LP

2024

Unknown

Private Equity Fund

n/a

$22.1M

Sandbrook Climate Infrastructure Fund I-C LP

2023

Early deployment

Private Equity Fund

n/a

$22.2M

Sandbrook Climate Infrastructure Fund Co-Investment I-B LP

2023

Unknown

Private Equity Fund

n/a

$19.2M

Sandbrook Climate Infrastructure Fund Co-Investment I-A LP

2023

Unknown

Private Equity Fund

n/a

$14,084

Sandbrook Climate Infrastructure Fund I-B LP

2023

Early deployment

Private Equity Fund

n/a

$135M

Sandbrook Hf Co-Invest LP

2023

Unknown

Private Equity Fund

n/a

$48.5M

Sandbrook Climate Infrastructure Fund Co-Investment I-C LP

2023

Unknown

Private Equity Fund

n/a

$8.6M

Sandbrook Climate Infrastructure Fund I LP

2022

Early deployment

Private Equity Fund

n/a

$50.0M

Company

State

Role

Control

Invested

Exited

Status

United Utility Services, LLC

n/a

platform

control

Dec 22, 2025

n/a

active

NeXtWind Capital Ltd.

n/a

platform

control

Aug 9, 2023

n/a

active

Krios

n/a

unknown

n/a

unknown

intellirent

n/a

unknown

n/a

unknown

Cloverleaf Infrastructure

n/a

unknown

n/a

unknown

rPlus Energies

n/a

unknown

n/a

unknown

NeXtWind

n/a

unknown

n/a

unknown

Voltwise

n/a

unknown

n/a

unknown

Havfram

n/a

unknown

n/a

Apr 9, 2025

exited