Company lists · Data refreshed November 2026

Top 23 Small cap stocks based in Boston, United States

RevenueBase identified 98 company matches for small cap stocks associated with Boston, United States as of November 2026 and tracks 5,902 professional contacts across them, including 3,002 with verified work emails. Across the United States, New York is the largest hub for this category (465 companies); Boston follows with 98.

This list covers company matches for small cap stocks associated with Boston, 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 November 6, 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 Nov 6, 2026 How this list was built
98Companies
5,902Contacts tracked
3,002Verified emails
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The 23 largest small cap stocks based in Boston, United States

Ranked by team size
Top 23 of 98 company matches for small cap stocks based in Boston, United States, 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 matchBoston, MA, United StatesHQ recorded Nov 6, 20261,001-5,0002,864 contacts →

Exact match

“In 1924, MFS launched the US’ first open-end mutual fund.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200256 contacts →

Exact match

“IR+M is a privately-owned, independent, fixed income investment management firm that serves institutional and private clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBoston, United StatesHQ recorded Nov 6, 202651-200193 contacts →

Exact match

“Founded in 1974, GW & K Investment Management is a dynamic Boston-based investment management firm that offers active equity and fixed income investment solutions to meet the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBoston, MA, United StatesHQ recorded Nov 6, 20261,001-5,000174 contacts →

Exact match

“For four decades, State Street Global Advisors has served the world’s governments, institutions and financial advisors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200167 contacts →

Exact match

“For over 30 years, Weiss Asset Management has developed proprietary value-based investment strategies designed to deliver high risk-adjusted returns to our investors, who include…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200107 contacts →

Exact match

“Congress Asset Management is a privately owned investment management firm based in Boston, MA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“HighVista Strategies LLC is an employee-owned alternative asset manager that brings investors alpha opportunities in structurally inefficient markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“We are an independent, employee-owned organization that specializes in actively managed multi-asset and equity investment strategies for individual and institutional investors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Longfellow is a majority employee-owned, certified Women's Business Enterprise (WBE) investment management firm proudly serving clients since 1986.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“At Anchor Capital Advisors LLC, a passion for our clients’ success defines our culture: finding value, building and preserving wealth-every day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Shepherd Kaplan Krochuk, LLC (SKK) offers a wide variety of wealth management services, along with alternative asset investment capabilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Abrams Capital is a Boston-based investment firm with a patient, long-term approach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Founded in 1980, Frontier Capital Management Company, LLC is a Boston-based investment management firm specializing in small-cap, smid-cap and mid-cap companies”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“Experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“VALUE INVESTING + GLOBAL MARKETS This combination delivers strong long-term performance to our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Martingale Asset Management, founded in 1987 and based in Boston, manages equity portfolios for many of the world’s most demanding corporate pension plans, foundations…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Essex Investment Management Company, LLC is an SEC registered investment adviser that manages growth equity portfolios for institutional clients (including corporations…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Clough Capital Partners L.P.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Finepoint is a Boston based investment manager founded in 2013.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“Boston-based Weatherbie Capital, LLC was founded in 1995 and is focused on US small to mid-cap growth stock investing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Highfields Capital Management is a value-oriented investment management firm which manages private investment funds for endowments, charitable and philanthropic foundations…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Invenomic Capital Management employs a disciplined, fundamentally-driven research process to build a diversified portfolio of primarily U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

Recorded description not available.

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

Showing 23 of 98 small cap stocks based in Boston, United States

See the full list, filter by size, metro and specialty, and access 3,002 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Small cap stocks based in Boston, United States at a glance

As of Nov 6, 2026
50.9%Verified-email coverage
60.2Average contacts per company
11-50Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
33
51-200
13
201-500
2
501-1,000
1
1,001-5,000
3

Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 98 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 Boston, United States whose business descriptions match “small cap stocks” 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 3,002 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.

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 “small cap stocks”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many small cap stocks are there based in Boston, United States?

RevenueBase identified 98 company matches for small cap stocks associated with Boston, United States 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?

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

Which city in the United States has the most small cap stocks?

New York leads the United States with 465 company records, followed by Boston (98) and Chicago (97).

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 3,002 professional contacts with verified work emails tracked across these 98 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.