Top Boston Private Equity Funds with Recent Private M&A Activity

Active Firms

1,745

TTM Deal Inquiries

$5M-$23M

Core Revenue Range

$1M-$4M

Core EBITDA Range

Top Sectors by Activity

Industrials 53%

Technology 10%

Business Services 8%

Consumer Goods 8%

Transportation 6%

Key Attributes

Focus: Control Investments | Capital Source: Committed Capital | Operating Approach: Scale & Exit

Heritage Holding

3 Closed Deals via Axial

53 Total Closed Deals Actively Sourcing Deals

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Heritage Holding is a Boston-based lower middle market Private Equity Fund with $220m of committed capital (Institutional Fund). HH has completed 50+ acquisitions since 2016, with a core focus on essential B2B services companies. We aim to partner with businesses that have stable track records and generate $1-10m of EBITDA.

Recent Transactions

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May 2026 Acquired Confidential Company
Mar 2026 Acquired Confidential Company
Jan 2026 Acquired Confidential Company
Jan 2026 Acquired Confidential Company

Gemini Investors

136 Total Closed Deals Actively Sourcing Deals

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Founded in 1993, Gemini Investors is a Massachusetts-based private equity firm that provides capital and strategic resources to lower middle market companies. Since its inception, we have invested approximately $1 Billion in more than 185 companies throughout the U.S., typically investing $3 – $8 million per transaction in either control or minority positions. Gemini offers a flexible investment approach. We provide a wide range of financing structures, which include subordinated debt with warrants, preferred stock, and common equity. We have extensive experience leading transactions, as…

Recent Transactions

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Sep 2025 Acquired Party Reflections
May 2025 Acquired Honey Smoked Fish
May 2025 Acquired Gold Coast Baking Company
Feb 2025 Acquired Spectro-UV

Fulham Company

32 Total Closed Deals Actively Sourcing Deals

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Fulham & co. has been investing in manufacturing companies since 1984. We seek to partner with companies that sell highly engineered products into industrial and commercial end markets. Most of the members of our firm have 20+ years of operating experience in a variety of manufacturing businesses. We work collaboratively with management teams, offering tools and advice to help our companies achieve their goals. Our firm has generated successful investment results across dozens of deals with entrepreneurial owner-managers since our first acquisition in 1984. Investment criteria: highly…

Recent Transactions

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Nov 2023 Acquired Nu-Tek Precision Optical Corp.
Aug 2023 Acquired MPF
Aug 2023 Acquired Concept Group
Aug 2023 Acquired Federal Package

Artemis Capital Partners

22 Total Closed Deals Actively Sourcing Deals

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Artemis is a highly specialized private equity firm focused on partnering with differentiated Industrial Tech companies that contribute to a healthier, safer, and more productive world. Focusing exclusively on manufacturers of highly engineered products with mission-critical applications, Artemis' vision is to buy and build deeply impactful Industrial Tech businesses that enhance global health, security, and productivity.These products enable some of the most important technologies to serve the most pressing human demands: Diagnostic lab equipment enabling health &…

Recent Transactions

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Nov 2025 Acquired Antenna Associates, Inc.
Sep 2025 Acquired Millrock Technology
Mar 2025 Acquired Athena AI
Jan 2025 Acquired Richland Glass

Union Park Capital

10 Total Closed Deals Actively Sourcing Deals

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Union Park Capital is a private equity investment firm focused solely on lower middle-market Industrial Technology companies. We partner with management teams to cultivate businesses through a combination of organic growth and careful strategic add-on acquisitions.

Recent Transactions

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Aug 2022 Acquired Advanced Illumination
Jan 2022 Acquired Bruins Instruments
Mar 2021 Acquired Guided Wave
Feb 2021 Acquired EyePro System

Cohere Capital

9 Total Closed Deals Actively Sourcing Deals

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Cohere Capital is a growth focused private equity firm that invests in leading middle-market businesses. We have over 30 years of combined experience investing in and working with growth companies, and we bring that experience to our partnerships with entrepreneurs, management teams, and companies.We take our approach from our name, "Cohere", which means being united and consistent. Our firm is founded on that philosophy.Growth is our focus. We help solidify a strong foundation and provide the expertise and capital to achieve the growth plan. While not all growth is linear, we are focused…

Recent Transactions

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Dec 2025 Acquired Flextecs
Sep 2025 Acquired Leverege
Feb 2023 Acquired Phaedon
Mar 2022 Acquired Boostability

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Exaltare Capital Partners

4 Total Closed Deals Actively Sourcing Deals

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About ExaltareExaltare Capital Partners, based in Boston, MA, is a private equity firm that invests in owner-managed, family-controlled businesses and corporate divestitures via management buyout. We look for businesses with EBITDA of greater than $3 million that appreciate a value-added partner helping contribute to its future growth and success.The word Exaltare means "to elevate" in Latin and it informs our investment approach in at least two ways: We look for investments in superior businesses operated with strong management teams. Superior businesses did not become niche-leaders by…

Recent Transactions

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Aug 2023 Invested in Urban Air Adventure Park
May 2023 Acquired Uni K Wax
Mar 2023 Acquired The Good Feet Store
Jan 2013 Acquired Planet Fitness

Captivate Partners

1 Total Closed Deal Actively Sourcing Deals

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Captivate Partners is a family-office backed investment private equity firm operating at the intersection of brand and commerce. We are active buyout and growth investors, with a focus on commercial services, business services, multi-site consumer, and platforms that drive next generation commerce.

Recent Transactions

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Sep 2020 Acquired The Paper Store / Uncharted

Bear Castle Capital

Actively Sourcing Deals

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Bear Castle Capital is a leading private investment firm with a focus on the building industry. Founded by Robert B. Lane, the firm is dedicated to partnering with families, founders, and management teams to foster business growth and innovation. Bear Castle Capital has established platforms in electrical services and fire life safety, demonstrating its commitment to advancing the building sector. The firm operates with a relationship-driven approach, aiming to invest in companies that contribute to the industry's progress. With a team of senior advisors and sector specialists, Bear Castle…

Recent Transactions

This member has no reported closed transactions.

Ara Partners

Actively Sourcing Deals

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Ara Partners is an industrial decarbonization fund with $6.3bn AUM. We are in the market for new deals and are investing from our $2.8 billion Fund III. Our investment criteria is as follows: Equity and structured equity investments in businesses that provide significant decarbonization impact across sectors like industrials and manufacturing, chemicals and materials, energy efficiency and fuels, and food and agriculture, among othersMinimum check size of $100m, ideally $200m-$400m+ investmentsUnderlying technologies should be proven with advantaged unit economics and TAM…

Recent Transactions

This member has no reported closed transactions.

Lineage Capital

27 Total Closed Deals

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A unique model—tailored to the needs of owner-managers.Lineage was founded on the core values of trust, respect, teamwork, and commitment—ideals that provide a foundation for our strong partner relationships. For business owners who share these values, the uncommon structure of a Lineage partnership can be a way to comfortably achieve short- and long-term business and personal objectives.For nearly two decades, we’ve partnered with owner-managers who desire liquidity while continuing to benefit from the future financial success of their business. Our investment model allows…

Recent Transactions

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Jun 2024 Invested in GIK Acoustics
Feb 2024 Invested in Flutterbee Education Group
Feb 2024 Invested in Quality Glass & Mirror
Oct 2023 Acquired Concept Agritek

TA Associates

11 Total Closed Deals

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For more than 50 years, TA has helped hundreds of growing companies in our five target industries reach their full potential. We partner with you to accelerate growth and create lasting shareholder value.We invest in companies within five core sectors, offering deep domain experience and demonstrated success across business services, consumer, financial services, healthcare and technology industries.Our investments range from $70-$500 million in equity and $10-$50 million in subordinated debt transactions that value businesses generally from $100 million - $3 billion.We take minority or…

Recent Transactions

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Jan 2023 Invested in Synokem Pharmaceuticals
Jun 2022 Invested in Faria Education Group06
Mar 2022 Acquired TouchTunes
Mar 2022 Invested in Stonewall Kitchen

Fort Point Capital

9 Total Closed Deals

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Fort Point Capital is a Boston-based private equity firm that invests in and supports promising, service-oriented companies at the lower end of the middle market and helps them take the next step to accelerate their evolution and growth.

Recent Transactions

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Feb 2023 Acquired The Yandell Family of Companies
Jul 2022 Acquired ROX360
Jul 2022 Acquired Nova
Mar 2022 Acquired Jones Fish Hatcheries & Distributors

Watermill Group

7 Total Closed Deals

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The Watermill Group A Strategy Driven Private Equity Firm Since 1978, The Watermill Group and affiliates have acquired, managed, and transformed dozens of companies operating at the crossroads of hazard and opportunity. At the Watermill Group, we apply the craft of strategic planning and implementation to our portfolio companies, helping them to reach their full potential as stable businesses capable of supporting jobs and contributing to their local communities. We pride ourselves in our ability to recognize advantage where others do not. We create value through our unique brand of…

Recent Transactions

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Aug 2017 Acquired Cooper & Turner
Jul 2016 Acquired Experi-Metal Inc.
Jun 2015 Acquired Quality Metalcraft, Inc.
Feb 2014 Acquired The Plastics Group

New Forest Capital

2 Total Closed Deals

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We are entrepreneurial investors who eschew the traditional investment approach in search of opportunity in the small and medium enterprise (SME) landscape. We believe in bringing professional management, new incentive structures, and cutting edge technology to mature businesses and industries.

Recent Transactions

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Jun 2016 Acquired New England Commercial & Industrial Cleaning Services
Oct 2015 Acquired Cleanway Services

Ouroboros Group

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Ouroboros Group LLC is a middle market private equity firm based in Boston, Massachusetts specializing in the acquisition and operation of companies within a diverse set of industries including: manufacturing, healthcare, and consumer sectors. • Ideal investments are in the lower middle market, with Ouroboros Group having the flexibility to acquire very small businesses unable to attract significant strategic or financial sponsors as well as larger, more complex businesses. Operating under a fundless sponsor model, Ouroboros Group has no obligation to deploy capital and can…

Recent Transactions

This member has no reported closed transactions.

Kensington-SV Global

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We are a Boston-based investment firm that takes a differentiated approach to growth equity investments in the United States, Europe, and Asia. We integrate a unique family office environment with robust institutional experience to add tangible, long-term value to our partners. We are flexible in our pursuits and seek like-minded entrepreneurs and owners who prioritize strong business models and seek robust growth. We have significant investing experience in a broad range of sectors including consumer, healthcare, industrials, technology, and technology-enabled services.

Recent Transactions

This member has no reported closed transactions.

Fireman Capital Partners

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Fireman Capital Partners is a principal investment firm making investments in the consumer products and services sectors. It also seeks to invest in real estate sector in the Northeast corridor of United States. Within consumer products and services sector the firm seeks to invest in personal care including oral, hairs, soaps, cosmetics, and toiletries; household care including fabric wash and household cleaners; packaged food and beverages; leisure; apparel; giftware including candles and stationary; clothing including jeans and outdoor; and retailer and distributor catalog businesses. The…

Recent Transactions

This member has no reported closed transactions.

424 Capital

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424 Capital is a private equity firm that specializes in investing in and partnering with tech-enabled service companies across life science, healthcare, and critical infrastructure(water, energy, and security). The firm is dedicated to scaling businesses and achieving significant growth, particularly within the lower middle market specifically for small to medium sized business's with 1-6M in EBITDA. Their approach is centered on integrity, honesty, and long-term value creation, helping to build industry-changing market leaders over a 5-7 year period.

Recent Transactions

This member has no reported closed transactions.

Valiant Holdings Group

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Valiant Holdings Group is a strategic connector and trusted guide for accredited investors seeking access to exclusive investment opportunities through Valiant Funds. As a private equity firm, it specializes in connecting investors with alternative investment products, focusing on private equity and venture capital. The company operates with a dedicated team to provide investor access and strategic alignment, ensuring that clients are well-positioned to benefit from their exclusive suite of investment options. Valiant Holdings Group's approach is centered around strategic investments,…

Recent Transactions

This member has no reported closed transactions.

Firms in the Boston Private Equity Funds directory are ordered based on recent deal activity on Axial. The default order reflects observed market signals rather than a subjective ranking of firm quality.

Each profile provides information about the firm’s areas of focus, transaction criteria, and relevant activity on Axial’s M&A platform. Together, these details provide a clearer view of where a firm is active and the types of companies and opportunities most relevant for it.

Based on activity on Axial’s M&A platform, the core revenue range for Boston Private Equity Funds is $5M-$23M, with a core EBITDA range of $1M-$4M. Company size can be an important indicator of fit, as firms often concentrate their experience, resources, and transaction activity within particular segments of the market.

Location can be an important consideration, but it does not necessarily define where a firm is active. Firms based in Boston may bring regional knowledge, local relationships, and experience with businesses in the area, while many also pursue opportunities across a broader geographic footprint. Geography is best considered alongside sector focus, company size, and relevant transaction activity.

Not necessarily. A firm’s location does not always define its geographic reach. Many Private Equity Funds based in Boston are active across multiple regions, while firms based elsewhere may also participate in the Boston market. Location can provide useful context, but it should not be interpreted as a firm’s geographic boundary.

When comparing Private Equity Funds in Boston, consider factors such as sector focus, size range, and recent transaction activity. These characteristics vary across the 25 firms included in the directory and can help identify firms that align with your needs.

Axial can help you identify and connect with firms based on your objectives and what you are looking to accomplish. The process varies depending on your role and transaction needs. If you are interested in connecting with firms in the Boston Private Equity Funds directory, you can request information here.

Top Boston Private Equity Funds

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