Company lists · Data refreshed November 2026

Top 25 Activist hedge funds worldwide

RevenueBase identified 4,252 company matches for activist hedge funds worldwide as of November 2026 and tracks 69,391 professional contacts across them, including 26,059 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for activist hedge funds worldwide, 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 November 6, 2026. Country and city lists for activist hedge funds follow the table.

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 Nov 6, 2026 How this list was built
4,252Companies
69,391Contacts tracked
26,059Verified emails
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The 25 largest activist hedge funds worldwide

Ranked by team size
Top 25 of 4,252 company matches for activist hedge funds worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMiami, FL, United StatesHQ recorded Nov 6, 20261,001-5,0004,736 contacts →

Exact match

“Our ambition at Citadel is to be the most successful investment firm of all time.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, United StatesHQ recorded Nov 6, 20261,001-5,0004,523 contacts →

Exact match

“We are a leading global investment firm that invests as long-term owners on behalf of institutions and individuals worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261,001-5,0002,811 contacts →

Exact match

“Carlyle (NASDAQ: CG) is a global investment firm with deep industry expertise that deploys private capital across three business segments: Global Private Equity, Global Credit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBaar, SwitzerlandHQ recorded Nov 6, 20261,001-5,0002,335 contacts →

Exact match

“Partners Group is a global private markets firm with USD 186 billion in assets under management and c.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Nov 6, 20261,001-5,0002,298 contacts →

Exact match

“Founded in 1984, Bain Capital is one of the world’s leading private investment firms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMiami, NY, United StatesHQ recorded Nov 6, 2026501-1,0001,407 contacts →

Exact match

“H.I.G.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a1,025 contacts →

Exact match

“Founded in 1964, Alger is recognized as a pioneer of growth-style investment management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026501-1,000569 contacts →

Exact match

“With nearly three decades of experience and twelve offices across Latin America and the United States, our expertise spans Private Equity, Credit, Real Estate, Infrastructure…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Nov 6, 2026201-500544 contacts →

Exact match

“Our firm was founded in 1930 in the wake of the Roaring Twenties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a478 contacts →

Exact match

“We identify the hidden value in companies that are often in challenging or complex situations, but have a strong core offering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500444 contacts →

Exact match

“The Riverside Company is a global investment firm focused on being one of the leading private capital options for business owners and employees at the smaller end of the middle…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, United StatesHQ recorded Nov 6, 202651-200392 contacts →

Exact match

“Founded in 1978, CD & R is an investment firm with an investment strategy predicated on building stronger, more profitable businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500386 contacts →

Exact match

“AURELIUS is a global alternative investor, distinguished and widely recognised for its operational approach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNew York, United StatesHQ recorded Nov 6, 2026201-500378 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchStockholm, SwedenHQ recorded Nov 6, 202651-200367 contacts →

Exact match

“Investor, founded by the Wallenberg family a hundred years ago, is the leading owner of Nordic-based international companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCheyenne, WY, SingaporeHQ recorded Nov 6, 2026n/a367 contacts →

Exact match

“bloom.CAPITAL is an operationally-focused private equity firm that invests in small to mid-market companies in the industrial sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200354 contacts →

Exact match

“BC Partners is an international investment firm that offers select, focused investment strategies designed to complement each other and create synergies that benefit our investors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchToronto, ON, CanadaHQ recorded Nov 6, 2026501-1,000347 contacts →

Exact match

“Since Dynamic was first founded as an independent investment club in 1957, we have maintained a single-minded dedication to investment excellence that lets nothing stand in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchStamford, CT, United StatesHQ recorded Nov 6, 2026201-500332 contacts →

Exact match

“Viking Global Investors LP (“Viking”) is a global investment firm founded in We employ a fundamentals-driven investment approach to managing more than $56 billion of capital…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWest Palm Beach, FL, United StatesHQ recorded Nov 6, 2026201-500326 contacts →

Exact match

“AMG is a leading partner to independent investment management firms globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchStockholm, SwedenHQ recorded Nov 6, 2026201-500313 contacts →

Exact match

“Swedbank Robur är Sveriges största och en av Nordens ledande kapitalförvaltare.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLevel 117, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,000312 contacts →

Exact match

“Shamal Holding is a diversified investment firm that cultivates the extraordinary.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchEvanston, TX, United StatesHQ recorded Nov 6, 2026201-500311 contacts →

Exact match

“Magnetar Capital is a leading alternative asset manager with offices in Evanston, Ill, New York and London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500310 contacts →

Exact match

“EPIC Investment Partners is an independent investment, administration and advisory firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchToronto, ON, CanadaHQ recorded Nov 6, 2026201-500303 contacts →

Exact match

“Northleaf Capital Partners is a global private markets investment firm with more than US$32 billion in private equity, private credit and infrastructure cumulative capital…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 4,252 activist hedge funds worldwide

See the full list, filter by size, metro and specialty, and access 26,059 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Activist hedge funds worldwide at a glance

As of Nov 6, 2026
37.6%Verified-email coverage
16.3Average contacts per company
1-10Median size (employees)
7.2%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,885
11-50
992
51-200
235
201-500
54
501-1,000
24
1,001-5,000
32
5,001-10,000
2
10001+
5

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for activist hedge funds are linked below.
What qualifies
Company records worldwide whose business descriptions match “activist hedge funds” 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. 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 26,059 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 November 6, 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.

Activist hedge funds by location

37 lists · largest first

Every Activist hedge funds list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “activist hedge funds”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many activist hedge funds are there worldwide?

RevenueBase identified 4,252 company matches for activist hedge funds worldwide as of November 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?

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

Which country has the most activist hedge funds?

The United States leads with 1,566 companies, followed by the United Kingdom (236) and Canada (154). Every activist hedge funds list by country and city is linked on this page.

Which city has the most activist hedge funds?

New York leads with 307 company records, followed by London (176) and Toronto (69).

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 26,059 professional contacts with verified work emails tracked across these 4,252 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 November 6, 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.