Company lists · Data refreshed September 2026

Top 25 Sector-focused investment firms based in the United States

RevenueBase identified 2,077 company matches for sector-focused investment firms associated with the United States as of September 2026 and tracks 21,190 professional contacts across them, including 9,539 with verified work emails. New York is the largest hub.

This list covers company matches for sector-focused investment firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
2,077Companies
21,190Contacts tracked
9,539Verified emails
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The 25 largest sector-focused investment firms based in the United States

Ranked by team size
Top 25 of 2,077 company matches for sector-focused investment firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBoston, MA, United StatesHQ recorded Sep 29, 2026501-1,0001,025 contacts →

Exact match

“Advent is a leading global private equity investor committed to working in partnership with management teams, entrepreneurs, and founders to help transform businesses.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 29, 2026201-500881 contacts →

Exact match

“TA is a leading global private equity firm focused on scaling growth in profitable companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchDallas, TX, United StatesHQ recorded Sep 29, 202651-200513 contacts →

Exact match

“Maverick Capital is an SEC-registered investment adviser managing private investment funds exclusively for qualified investors.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026n/a337 contacts →

Exact match

“W Capital Partners is a private equity firm that provides secondary liquidity to shareholders in private businesses and growth capital for those companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-200275 contacts →

Exact match

“Tiger Global is a research-driven investment firm pursuing a long-term approach to partnering with high-quality, innovative companies across different stages of their lifecycle.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchSanta Fe, NM, United StatesHQ recorded Sep 29, 2026201-500254 contacts →

Exact match

“Thornburg is a privately owned, global investment firm delivering active, high-conviction portfolios to institutions, advisors, and investors.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 202651-200252 contacts →

Exact match

“Roark is an Atlanta‐based private equity firm with $41 billion in assets under management.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Sep 29, 202651-200237 contacts →

Exact match

“Founded in 1980, GTCR is a leading private equity firm that invests behind The Leaders Strategy™ – finding and partnering with management leaders in core domains to identify…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchMenlo Park, CA, United StatesHQ recorded Sep 29, 202651-200236 contacts →

Exact match

“Accel-KKR is a technology-focused investment firm with $23 billion in capital commitments.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchArlington, VA, United StatesHQ recorded Sep 29, 2026201-500223 contacts →

Exact match

“Sands Capital is an active, long-term investor in leading innovative growth businesses, globally.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-200220 contacts →

Exact match

“Founded in 1984, Hellman & Friedman (H&F) is one of the most experienced private equity investment firms operating today.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchMiami, FL, United StatesHQ recorded Sep 29, 20261,001-5,000206 contacts →

Exact match

“Partners is a Miami-based, alternative investment platform that invests across a number of high-growth attractive verticals with a strong focus on financial services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchSanta Monica, CA, United StatesHQ recorded Sep 29, 2026n/a174 contacts →

Exact match

“Anthos, founded in 2007, invests in emerging consumer and technology companies that drive innovation and shape the future.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-200166 contacts →

Exact match

“Veritas Capital is a longstanding technology investor with over $50+ billion of assets under management and a focus on companies operating at the intersection of technology and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-200165 contacts →

Exact match

“Siguler Guff is a multi-strategy private markets investment firm which, together with its affiliates, has approximately $18.4 billion of assets under management as of December 31…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Sep 29, 202651-200147 contacts →

Exact match

“The Vistria Group is building a new kind of private investment firm that seeks to deliver both financial returns and societal impact.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchNewtown Square, PA, United StatesHQ recorded Sep 29, 202651-200147 contacts →

Exact match

“Graham Partners is a private investment firm focused on investing in technology-driven companies that are spurring innovation in advanced manufacturing, resulting in product…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchHermosa Beach, CA, United StatesHQ recorded Sep 29, 202651-200145 contacts →

Exact match

“Marlin Equity Partners is a global investment firm with nearly $10 billion in capital commitments specializing in the software, technology and services sectors.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchSt. Petersburg, FL, United StatesHQ recorded Sep 29, 202651-200143 contacts →

Exact match

“ARK Investment Management LLC (ARK Invest) holds a precision lens on thematic investing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-50136 contacts →

Exact match

“Contrary is a talent and research-driven investment firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-200134 contacts →

Exact match

“RedBird Capital Partners is a private investment firm that builds high-growth companies with strategic capital solutions to founders and entrepreneurs.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-200130 contacts →

Exact match

“Motive Partners is a private investment firm exclusively focused on financial technology and technology-enabled business services companies, ranging from early-stage ventures to…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchPittsburgh, PA, United StatesHQ recorded Sep 29, 202651-200125 contacts →

Exact match

“Incline Equity Partners is the driving force in middle market private equity.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchBeverly Hills, CA, United StatesHQ recorded Sep 29, 202651-200124 contacts →

Exact match

“LLCP is a middle-market private equity firm with a 42-year track record of investing across various targeted sectors, including Business Services, Franchising & Multi-unit…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchManhattan Beach, CA, United StatesHQ recorded Sep 29, 202651-200121 contacts →

Exact match

“K1 is a leading investment firm focusing on high-growth enterprise software companies globally.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 2,077 sector-focused investment firms based in the United States

See the full list, filter by size, metro and specialty, and access 9,539 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sector-focused investment firms based in the United States at a glance

As of Sep 29, 2026
45.0%Verified-email coverage
10.2Average contacts per company
1-10Median size (employees)
18.5%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,472
11-50
466
51-200
100
201-500
15
501-1,000
10
1,001-5,000
7
5,001-10,000
2
10001+
2

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,077 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “sector-focused investment firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 9,539 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “sector-focused investment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sector-focused investment firms are there based in the United States?

RevenueBase identified 2,077 company matches for sector-focused investment firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Advent tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most sector-focused investment firms?

New York leads with 385 company records, followed by Dallas (93) and San Francisco (84).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 9,539 professional contacts with verified work emails tracked across these 2,077 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.