Private Equity Funds · United States, India

Best Private Equity Funds Companies in United States

Updated 2026-06-16 · Ranked by funding & momentum

4753 indexable Private Equity Funds companies headquartered in United States, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $6.9B across 67 funded companies, including 1 unicorn.

4,753
Companies
$6.9B
Total Funding
67
Funded
1
Unicorns
1
Rounds (90d)

Ranked: Best Private Equity Funds companies in United States

#CompanyFundingValuationStage Latest roundEmployeesFoundedMomentum
1 Castor Key
Holding company acquiring and building infrastructure and industrial services businesses
$30M Series B Series B Feb 2026 2025 ↑ Active
2 Cembra
Provider of permanent capital for acquiring and holding enduring businesses
$21.9M Series B Series B Feb 2026 2026 ↑ Active
3 Octagon Equity
Private equity invetsment firm
$17.9M Series A Series A Feb 2026 2024 ↑ Active
4 Rockbridge
Hospitality-centered investment firm
$46.6M Series B Series B Nov 2025 1999 ↑ Active
5 Nearsummit
Investor providing capital and operational expertise to cloud-native services businesses
$4.5M Series A Series A Mar 2026 2023 ↑ Active
6 Bass Rock Capital
Private equity investment firm
$8M Series A Series A Dec 2025 2025 ↑ Active
7 Olympus Pines
Developer of retail businesses through acquisition and management
$35M Series C Series C May 2025 2020 ↑ Active
8 Hungry Pig Capital
Investment firm allocating capital to restaurant, retail, and essential-goods industries
$1.5M Seed Seed Feb 2026 2024 ↑ Active
9 Green Heron Partners
Private equity firm investing in lower middle market service and specialty manufacturing companies
$16.1M Series B Series B Feb 2025 2023 ↑ Active
10 Alka Oaks
Provider of investment funding and operational support for service-based businesses
$900K Seed Seed Oct 2025 2025 ↑ Active
11 Periscope Harbor Partners
Provider of capital and operational leadership for business succession planning
$600K Seed Seed Oct 2025 2025 ↑ Active
12 The Pave
Firm acquiring paving companies that build infrastructure
$11.6M Series B Series B Sep 2024 2024 ↑ Active
13 Dumu Holdings
Acquirer of essential service businesses focused on health, infrastructure, and environment
$450K Seed Seed Sep 2025 2025 ↑ Active
14 Village Partners Group
Private investment firm partnering with individuals to build service businesses
$1.2M Seed Seed Apr 2025 2025 ↑ Active
15 Autoscope Technologies Corporation
Private equity fund focused on technology and engineering sectors
$62.5K Seed Seed Jan 2026 ↑ Active
16 Ares Capital Corporation
Private equity and debt investment firm
$1.7B Public Conventional Debt Jan 2018 2,800 2004
17 AXiomatic
Provider of financial resources and industry expertise to gaming companies
$138.8M Series B Series B Aug 2022 7 2015
18 Apollo Investment Corporation
Investment management firm investing in private middle market companies in the U.S
$1.3B Public Conventional Debt Apr 2015 2004
19 Blackstone
Diversified investment management firm
$873M Public Conventional Debt Oct 2018 3 1985
20 International Hospital Corporation
Investor and manager of hospitals providing surgical, emergency, and diagnostic services
$2M Seed Seed Sep 2024 1991 ↑ Active
21 Torrey Pines Capital Management
Private equity investment firm
$710K Seed Seed Jan 2025 2020 ↑ Active
22 3 Rivers Capital
Private equity firm focused on acquisitions
$428K Seed Seed Mar 2025 7 2005 ↑ Active
23 Acreage Holdings
Private equity investment firm focused on cannabis industry
$10M Public Post IPO Jun 2024 1,016 2014
24 GWG Holdings
Insurance industry focused PE firm
$463.1M Public Post IPO Jan 2019 160 2006
25 Cloverbrook capital
Private equity firm focused on acquiring, operating, and growing small to medium-sized businesses
$1.6M Seed Seed Aug 2024 2023 ↑ Active
26 NewHold Enterprises
Private equity fund and SPAC focused on middle-market industrials and business services sectors
$4.9M Series A Series A May 2024 10 2017
27 Townsend Partners
Private equity fund focused on real estate, timber, and agriculture sectors
$400M Acquired Grant (prize money) Jun 2014 100 1983
28 SKROL
Private investment firm
$1.2M Seed Seed Jul 2024 2024 ↑ Active
29 Apollo Global Management
Private equity investment firm focused on buyouts
$300M Public Post IPO Mar 2018 2,712 1990
30 Rafael Holdings
Private equity fund focused on real estate & pharmaceutical sectors
$104.2M Public Post IPO Aug 2021 13 2017
31 Reliance Global Group
Private equity firm backed by single family office
$24M Public Post IPO Mar 2023 2013
32 EAEF
Provider of capital to support development of private sector enterprises
$300M Funding Raised Grant (prize money) Apr 2015 2013
33 Sun Haven Partners
Private equity investment firm
$600K Seed Seed Aug 2024 2024 ↑ Active
34 LNC Partners
Private equity firm providing capital and strategic support to lower middle market businesses
$236M Series D Series D Jun 2014 15 2011
35 Privateer Holdings
Private equity firm focused on acquisitions
$141.5M Series C Series C Nov 2016 2010
36 Morningstar
Private investment firm
$3.1M Series A Series A Apr 2024 2022
37 Emergent Capital
PE firm focused on investing in life-settlement industry
$82.1M Deadpooled Conventional Debt Feb 2019 2006
38 BlackRock TCP Capital
PE firm investing in the US
$125M Acquired Conventional Debt Aug 2017 2012
39 Saratoga Investment
Private equity investment firm investing in the US
$92M Public Conventional Debt Feb 2019 27 2007
40 Antea Group
Provider of engineering and environmental consulting services. It offers full-service solutions in environment, infrastructure, urban planning, and water management. The firm combines strategic thinking, multidisciplinary perspectives, and technical expertise to deliver sustainable results. Services address complex environmental issues, balancing client goals with stakeholder expectations and regulatory requirements. A focus is placed on real business solutions.
$2.1M Funding Raised Grant (prize money) Mar 2024 1986
41 Prospect Capital
Private equity & debt firm focused on multiple sectors
$75.3M Public Conventional Debt May 2018 8 1988
42 Mitesco
Private equity firm focused on acquisitions
$21.1M Public Post IPO Nov 2021 3 2009
43 SEAF
Private equity and debt firm focused on small and medium-sized businesses
$30M Funding Raised Grant (prize money) Mar 2019 109 1989
44 MileBreaker Partners
Private equity investment firm
$900K Seed Seed May 2024 2024
45 DSS
Private equity firm focused on acquisition of companies
$22.1M Acquired Post IPO Nov 2019 119 1986
46 Sustainable Projects Group
Private equity firm investing in multiple sectors
$2.4M Late Stage Post IPO Oct 2023 14 2013
47 Brightstar Capital Partners
Private equity firm focused on business services, consumer, industrial, government services, and technology sectors
$51.9M Series C Series C Oct 2017 2015
48 Altaba
Late stage investments focused PE firm
$39.7M Public Post IPO Dec 2017 12 1994
49 Blackcomb Peak Equity
Private equity fund focused on investing across multiple sectors
$840K Seed Seed Jan 2024 2023
50 DGTL Holdings
Private equity fund focused on adtech sector
$2.9M Public Post IPO Jan 2023 2018

Top 12 Private Equity Funds companies in United States

#1
Castor Key Series B
$30M Raised
expand_more
#1

Castor Key Series B

location_onNew York, New York
Founded
2025
Funding raised
$30M
Stage
Series B

Holding company acquiring and building infrastructure and industrial services businesses. The company focuses on long-duration investments. It aims to create a scaled entity. The company intends for its stakeholders to prosper.

Funding rounds (1 disclosed of 1)
Round Date Amount
Series B Feb 2026 $30M
#2
Cembra Series B
$21.9M Raised
expand_more
#2

Cembra Series B

location_onDallas, Texas
Founded
2026
Funding raised
$21.9M
Stage
Series B

Provider of permanent capital for acquiring and holding enduring businesses. It acquires companies with the intention of indefinite ownership. The acquired businesses maintain their existing names, cultures, and identities. It focuses on stewardship, allowing businesses the freedom to grow. The acquisition process involves initial conversations, information sharing, and mutual due diligence.

Funding rounds (1 disclosed of 1)
Round Date Amount
Series B Feb 2026 $21.9M
#3
Octagon Equity Series A
$17.9M Raised
expand_more
#3

Octagon Equity Series A

location_onAustin, Texas
Founded
2024
Funding raised
$17.9M
Stage
Series A

Private equity invetsment firm. It specializes in acquiring and transforming businesses, leveraging the expertise of its founders and team of entrepreneurs, business owners, and investors. It focuses on long-term investments, seeking to grow and protect its portfolio companies' legacies. It aims to identify and capitalize on opportunities in various industries.

Funding rounds (2 disclosed of 2)
Round Date Amount
Series A Feb 2026 $16.9M
Seed Nov 2024 $969K
#4
Rockbridge Series B
$46.6M Raised
expand_more
#4

Rockbridge Series B

location_onColumbus, Ohio
Founded
1999
Funding raised
$46.6M
Stage
Series B

Hospitality-centered investment firm. It is focused on cultivating value and enriching life through strategic investments and partnerships in the industry. It has evolved to represent a refreshed brand identity and visual language, reflecting its commitment to longevity and growth. It invest in, partner with, and create opportunities in hospitality.

Funding rounds (2 disclosed of 2)
Round Date Amount
Series B Nov 2025 $24.5M
Series B Nov 2024 $22.1M
Tech stack
angularcdnjscloudflarecloudflare bot managementcore-jsdocusign+14
#5
Nearsummit Series A
$4.5M Raised
expand_more
#5

Nearsummit Series A

location_onUnited States
Founded
2023
Funding raised
$4.5M
Stage
Series A

Investor providing capital and operational expertise to cloud-native services businesses. The firm invests in companies needing transformational change to improve performance and growth. It partners with management teams, offering industry knowledge and operational know-how. The firm focuses on implementing offerings and navigating major public cloud providers.

Funding rounds (1 disclosed of 1)
Round Date Amount
Series A Mar 2026 $4.5M
Founders & key people
#6
$8M Raised
expand_more
#6

Bass Rock Capital Series A

location_onPhiladelphia, Pennsylvania
Founded
2025
Funding raised
$8M
Stage
Series A

Private equity investment firm. It supports entrepreneurs by utilizing their experience. It invests in small to large companies.

Funding rounds (1 disclosed of 1)
Round Date Amount
Series A Dec 2025 $8M
Founders & key people
#7
Olympus Pines Series C
$35M Raised
expand_more
#7

Olympus Pines Series C

location_onWashington, DC, District of Columbia
Founded
2020
Funding raised
$35M
Stage
Series C

Developer of retail businesses through acquisition and management. This entity invests in and operates retail companies on behalf of various investors, including individuals, family offices, and private equity firms. A key focus is on providing strong operational management and fostering employee growth within the acquired businesses. The development strategy includes both organic growth and strategic acquisitions to

Funding rounds (1 disclosed of 1)
Round Date Amount
Series C May 2025 $35M
#8
$1.5M Raised
expand_more
#8

Hungry Pig Capital Seed

location_onOxford, Ohio
Founded
2024
Funding raised
$1.5M
Stage
Seed

Investment firm allocating capital to restaurant, retail, and essential-goods industries. The firm invests through various investment vehicles, targeting operating businesses and real estate. It focuses on active asset management to achieve returns for investors and employees. The firm emphasizes a people-first approach in its operations.

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Feb 2026 $1.5M
#9
$16.1M Raised
expand_more
#9

Green Heron Partners Series B

location_onHouston, Texas
Founded
2023
Funding raised
$16.1M
Stage
Series B

Private equity firm investing in lower middle market service and specialty manufacturing companies. This firm provides capital and partnerships to strategically viable businesses in these sectors. The investment approach is principles-based, focusing on supporting the growth and development of portfolio companies. The firm seeks opportunities to collaborate with management teams to enhance operational efficiency and

Funding rounds (1 disclosed of 1)
Round Date Amount
Series B Feb 2025 $16.1M
#10
Alka Oaks Seed
$900K Raised
expand_more
#10

Alka Oaks Seed

location_onPhiladelphia, Pennsylvania
Founded
2025
Funding raised
$900K
Stage
Seed

Provider of investment funding and operational support for service-based businesses. The firm focuses on businesses with recurring revenue and high growth potential. It seeks to invest in privately owned companies, often assisting founders with succession or liquidity events. The firm offers guidance and capital, aiming to preserve company culture during transitions. The investment approach includes initial consultat

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Oct 2025 $900K
#11
$600K Raised
expand_more
#11

Periscope Harbor Partners Seed

location_onCoronado, California
Founded
2025
Funding raised
$600K
Stage
Seed

Provider of capital and operational leadership for business succession planning. He partners with business owners to acquire and grow their companies. He brings experience in technical organizations. He offers integrity to help fuel the company's future.

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Oct 2025 $600K
Founders & key people
#12
The Pave Series B
$11.6M Raised
expand_more
#12

The Pave Series B

location_onSalt Lake City, Utah
Founded
2024
Funding raised
$11.6M
Stage
Series B

Firm acquiring paving companies that build infrastructure. It seeks companies with experience, a strong reputation, and yearly net earnings. The firm focuses on acquiring established businesses in the infrastructure sector. It looks for companies with a proven track record.

Funding rounds (1 disclosed of 1)
Round Date Amount
Series B Sep 2024 $11.6M

Recent signals in United States Private Equity Funds

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Funding & investor landscape

Total raised
$6.9B
across these companies
Companies funded
67
with disclosed funding
Highest-funded
$1.7B raised

Most active investors

HE Hauser Private Equity 36 investments in Private Equity Funds CP Constitution Capital Partners 28 investments in Private Equity Funds CC Continental Grain Company 6 investments in Private Equity Funds FC First Generation Capital 6 investments in Private Equity Funds GP Gatewood Capital Partners 6 investments in Private Equity Funds CP Culper Capital Partners 5 investments in Private Equity Funds II Inter Invest 5 investments in Private Equity Funds KP Kensington Capital Partners 5 investments in Private Equity Funds RV Renaissance Ventures 4 investments in Private Equity Funds UA United States Department of Agriculture 4 investments in Private Equity Funds CP Cimarron Capital Partners 3 investments in Private Equity Funds E Europa 3 investments in Private Equity Funds

Notable founders in United States Private Equity Funds

GC Greg Caso Co-Founder Castor Key · $30M raised
AA Andrew Aicher Co-Founder Castor Key · $30M raised
CW Chris Warley Co-Founder & Co-CEO Cembra · $21.9M raised
CC Christian Coquoz Co-Founder & Co-CEO Cembra · $21.9M raised
SN Santiago Narvaez Co-Founder & Principal Octagon Equity · $17.9M raised
CP Camilo Pabon Co-Founder & Principal Octagon Equity · $17.9M raised
JM Jimmy Merkel Co-Founder & CEO Rockbridge · $46.6M raised
KK Kenneth Krebs Co-Founder & Executive Vice President Rockbridge · $46.6M raised
BC Brittany C Founder Bass Rock Capital · $8M raised
MC Michael Cianelli Co-Founder & COO Olympus Pines · $35M raised
TS Trevor Sperry Co-Founder & CEO Olympus Pines · $35M raised
BD Baljinnyam D Managing Partner & CEO Hungry Pig Capital · $1.5M raised

Frequently asked questions

How many Private Equity Funds companies are there in United States?
Radar tracks 4753 indexable Private Equity Funds companies headquartered in United States, India, that meet our profile-completeness bar.
What is the total funding raised by Private Equity Funds companies in United States?
The Private Equity Funds companies in United States on this list have raised a combined $6.9B in disclosed equity funding across 67 funded companies.
Which is the highest-funded Private Equity Funds company in United States?
Ares Capital Corporation is the highest-funded Private Equity Funds company in United States, with $1.7B in disclosed equity funding.
How many Private Equity Funds companies in United States are funded?
67 of the 4753 Private Equity Funds companies in United States on this list have disclosed at least one equity funding round.
How many Private Equity Funds unicorns are there in United States?
1 Private Equity Funds company in United States on this list is valued at $1B or more.
Who are the top investors in United States Private Equity Funds companies?
The most active investors in United States Private Equity Funds companies on this list include Hauser Private Equity, Constitution Capital Partners, Continental Grain Company, First Generation Capital, Gatewood Capital Partners.

Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-16.

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