Family Offices in Massachusetts

2c9 Ventures is a single family office based in Boston, Massachusetts, founded in 2018. The firm invests in, incubates, acquires, and advises high-growth tech companies and cash-flowing generational businesses. 2c9 Ventures deploys capital across venture capital, private equity, mezzanine lending, and public equities with a focus on health and wellness, real estate, hospitality and travel, and transformative technologies. The firm acquires and stewards healthcare and B2B services businesses with family-like ownership focused on long-term growth.

AVALT, founded in 2015 and headquartered at 11 Arlington Street in Boston, Massachusetts, is a private equity family office that invests its own capital. It was established by Ian Reynolds, Marko Kivisto, and Mark Verdi—three former senior partners at Bain Capital with extensive experience in global private equity, portfolio operations, and corporate leadership. The firm operates as a family-office-style investment vehicle with permanent capital and no external LPs, allowing for long-term, flexible investment horizons. AVALT focuses on control or majority investments in mid-sized companies, often serving as the first institutional capital partner. Typical equity investments range from $25 million to $150 million, targeting companies with $5–35 million in EBITDA. Sector focus includes business services, healthcare, consumer products, industrials, and technology/media/telecom (TMT). The team takes a selective approach to dealmaking, concentrating on a small number of high-conviction investments to build strong partnerships with management. With more than $8 billion in realized equity across 40+ companies, the founders bring deep operational and financial expertise. AVALT adds value through strategic planning, M&A execution, and operational improvements—while minimizing unnecessary oversight. The firm's unique structure as a privately capitalized family office ensures close alignment with leadership teams and the flexibility to support sustainable, long-term business growth.

Babson-United, Inc., often referred to as the Babson Family Office, operates as a private, family-owned, non-bank holding company. The firm is primarily involved in the management of family real estate and other diverse holdings. Its current operations, which commenced in 2004, focus on internal asset management rather than providing investment advisory services to external clients.The origins of Babson-United, Inc. trace back to 1904 with the founding of Babson's Reports, Inc. by Roger W. Babson, a renowned figure famed for predicting the 1929 Wall Street Crash and for establishing Babson College. Over the decades, the firm underwent several name changes and structural reorganizations, including operating as a registered investment advisor (RIA) until May 2002. In 2002, its investment advisory clients and assets were migrated to an unrelated firm, and by 2004, Babson-United, Inc. transitioned to its current form as a private family holding company.Historically, Roger W. Babson championed a fundamentals-based, long-term approach to equities investing. While the firm no longer offers public investment advice, this philosophy likely continues to influence the management of its family assets. The company's website explicitly states that solicitations are unwelcome, particularly from vendors or service providers, underscoring its private and internally focused nature.As a private family holding company, Babson-United, Inc. does not publicly disclose its specific investments or portfolio companies. Its focus remains on the stewardship and growth of its family's real estate and other holdings. The firm's leadership and team expertise are centered around the internal management of these assets, consistent with its structure as a family-owned entity.

Berry Family Office is a single-family investment firm established in 2022 by David and Eric Berry. The firm is dedicated to investing the family's assets with a long-term perspective focused on growth and innovation. Their investment strategy targets areas poised for significant future impact and value creation.The firm's primary investment areas include Human Health, recognizing technology's potential to fundamentally transform healthcare over the coming decades. They also have a strong focus on Artificial Intelligence (AI), identifying it as a highly disruptive technology with enormous potential for companies that can deliver unique and lasting value. Additionally, Berry Family Office explores opportunities arising from Market Inefficiencies, seeking esoteric market arbitrage and developing custom-suited financial instruments.Founded in Montreal, Quebec, Canada, Berry Family Office operates with a lean team of professionals. While specific portfolio companies are not publicly disclosed, their investment thesis centers on supporting ventures that align with their core areas of interest in health and technology, driven by a commitment to long-term growth.

Island Capital Funds operates as a single family office, established in 2002 by Jay Senerchia. The firm engages in both public and private investment activities, with a particular focus on forming and managing partnerships dedicated to institutional-quality private alternative-asset vehicles. Since 2015, Mr. Senerchia has exclusively overseen investments on behalf of Island Capital Funds, demonstrating a hands-on approach to the firm's portfolio management.The firm's investment strategy is rooted in diversifying portfolios through alternative assets, a principle Jay Senerchia championed during his tenure as a founding principal of MDT Advisers. These alternative asset classes, which include private equity, real estate, oil and gas, hedge funds, and timberland, are chosen for their uncorrelated return streams compared to traditional stocks and bonds. This approach reflects a sophisticated understanding of market dynamics and a commitment to robust, diversified investment strategies.Island Capital Funds has made investments across various industries, including entertainment software, business/productivity software, and building products. Notable portfolio companies mentioned in public records include Unchained Entertainment, Prasaga, and Ootbox. The firm's real estate activities encompass acquisitions of single-family and multi-family residential properties, as well as medical offices, and significant investments in timberland in the northeastern United States. Jay Senerchia's expertise also extends to specialized areas such as litigation finance, search funds, and brownfield real estate.Jay Senerchia, the driving force behind Island Capital Funds, brings a wealth of experience to the firm. Prior to establishing Island Capital in 2002, he was a founding principal of MDT Advisers, where he managed the $1 billion corporate pension fund for Arthur D. Little Inc. His career also includes experience as an Investment Officer for ADL's pension fund and as a Certified Public Accountant at Price Waterhouse Coopers, working with clients in technology, banking, and mutual fund industries. Mr. Senerchia is a magna cum laude graduate of Boston University and was a member of the National Venture Capital Association from 1986 to 1998.

JMCR Partners operates as an investment firm, primarily functioning as a family office that manages the private assets of its founder's family and close relations. The firm, also known as JMCR Family Office, deploys capital through affiliated vehicles like JMCR Capital and JMRE. Their investment strategy focuses on private equity, quantitative strategies, and real assets. They have a particular interest in life sciences and technology ventures, aiming to identify and support promising ventures across various stages of development.Established in 2013, JMCR Partners was founded by biotech entrepreneur Jun Mao. The firm's inception was driven by the need to manage the Mao family's global assets, expanding to include investments for close relations. It operates with the philosophy that effective asset management for others stems from first successfully managing one's own, building a foundation of trust and expertise.JMCR Partners has made several investments, with a portfolio that includes companies such as Eubulus Biotherapeutics, Tekeluo Biotech, Viva Biotech, Riparian Pharmaceuticals, and Bonti. Their investments have spanned various stages, including early-stage venture capital and Series B rounds, particularly within the biotechnology and life sciences sectors. The firm typically invests in deals ranging from 1 to 10 million dollars.The firm's team includes its founder, Jun Mao, a seasoned biotech entrepreneur. JMCR Partners has cultivated a stable network with an elite team across its offices in Hong Kong, London, and Boston, leveraging their collective expertise in private equity and quantitative investment strategies to drive successful outcomes for their portfolio companies.

Kensington Capital Holdings, LLC is a single-family office established to manage the financial interests of its founding family. The firm engages in a diverse range of investment activities, including allocations to private equity funds, managed public equity, and hedge funds, alongside direct investments into operating companies. Kensington Capital Holdings prioritizes long-term value creation, portfolio diversification, and capital preservation, strategically deploying resources across various sectors and geographies. The firm primarily targets investments within the consumer, technology, and healthcare industries.Founded in 2008, Kensington Capital Holdings represents the financial interests of the family of Bob Gay, who previously served as a Managing Director of Bain Capital and is a Co-Founder and Executive Director of HGGC, a private equity firm. The firm's direct investment strategy spans early to later stage growth deals, with a historical emphasis on Series A funding rounds, often including capital reserved for subsequent follow-on investments.Kensington Capital Holdings has a notable investment track record, having made 72 investments and achieved 41 exits. Their portfolio includes companies such as Reform RX in the recreational goods industry, Clene in drug discovery, and MelliCell. Other past investments feature Vengo Labs, NatureBox, Spare, and Tava Indian Kitchen.The firm operates with a lean team of four members, including two partners. Kensington Capital Holdings focuses on identifying and building long-term relationships with leading fund managers, while also actively seeking out emerging and proven fund managers in global economies, with current positions held with managers investing in the USA, Europe, Asia, and South America.

Old Mountain Private Trust Company is a single-family office based in Boston, Massachusetts, established in 2007. The firm manages and allocates capital on behalf of its founding family, focusing on long-term wealth preservation and growth.Old Mountain offers comprehensive family office services including financial planning, estate planning, tax planning, investment services, and trust administration. The firm evaluates direct investments, private equity, and real assets across multiple sectors, maintaining a disciplined approach to portfolio construction through active oversight and strategic partnerships with experienced managers and operators.Registered as a Wyoming corporation, Old Mountain Private Family Trust, Inc. operates with a focus on prudent capital allocation and multi-generational wealth stewardship.

Raptor Group is the family office of investor Jim Pallotta, founded in 2009 and headquartered in Boston. The firm invests across various stages and asset classes, from early stage venture to public equity, with a focus on technology, fintech, sports, consumer, media, entertainment, and healthcare. Before founding Raptor Group, Pallotta oversaw a $12 billion portfolio at Tudor Investment Corp as vice chairman. Notable investments include Airbnb, Coupang, and Uber.

Slater Family Holdings is a diversified family office founded in the 1930s by Alvin and Shirley Slater, with dual headquarters in Boston, Massachusetts and Palm Beach, Florida. The firm operates three distinct investment arms: Real Estate Properties, Financial Investments, and Private Equity. The real estate portfolio, managed by Tremont Asset Management, encompasses more than 3,500 Class A apartments, office properties, and agricultural holdings across a dozen states and Canada, with primary market focus in Houston, Quebec, and Massachusetts. The firm specializes in commodity housing including student, market-rate, and senior residential properties. Slater Family Holdings' Boston-area operations are managed through Tremont Partners and Tremont Asset Management, which oversee properties in Quincy, Brookline, and Boston through their in-house property management company, Park Property Management Group. Recent investments include the acquisition of 268 Summer Street in Boston's Fort Point neighborhood.

The Connors Family Office is a single-family office based in Boston, Massachusetts, managing the wealth and investments of the family of Jack Connors Jr. (1942-2024), the legendary co-founder of Hill, Holliday, Connors, Cosmopulos — one of the top 20 advertising agencies in the United States. After selling Hill Holliday to Interpublic Group in 1998, Connors established the family office to manage wealth preservation and support philanthropic initiatives. The family has deep roots in Boston civic life, with Jack having served as Chairman of the Board of Partners HealthCare (now Mass General Brigham) for 16 years and as founder of Camp Harbor View, a summer camp serving inner-city youth on Long Island in Boston Harbor.

The Erskine Company LLC is a single-family office based in Worcester, Massachusetts, founded in 1875. The firm provides specialized succession planning and family office services to owners of unique assets, including privately held businesses, commercial and residential real estate, fine art, Americana, and numismatic collections. Led by fourth-generation managing partner Matthew Erskine, the company has served client families across as many as seven generations, offering estate and income tax planning, personal and dynasty trusts, private foundations, fiduciary services, and strategic counsel. The Erskine Company operates alongside Erskine & Erskine LLC, the affiliated law firm.