Matrix Partners

In 1977, Warren HellmanWarren HellmanWarren Hellman (1934–2011) was an investor, philanthropist and banjo player. He served as president of Lehman Brothers, co-founded Hellman & Friedman and founded San Francisco’s free Hardly Strictly Bluegrass festival.Open the full entry and Paul FerriPaul FerriPaul Ferri is a venture capitalist and founder of Matrix Partners who previously worked with Warren Hellman. He invested in technology startups and served on the boards of communications and software businesses.Open the full entry established Hellman, Ferri Investment Associates in Boston. The predecessor firm backed Apple, Apollo Computer, Stratus Computer and Continental Cablevision.⁠[3]

Ferri and Rick Fluegel co-founded Matrix in 1982.⁠[4]

The firm established a Silicon Valley office during this transition. The 1977 date identifies its predecessor’s origins; 1982 refers to Matrix’s founding.⁠[3]

Matrix returned half its $1 billion fund.⁠[5]

The India team was established in 2006. The China team followed in 2008 and now uses the MPCi brand, focusing on early-stage and early-growth businesses in China.⁠[3][6]

The University of Michigan reported a combined $25 million commitment in July 2009 to Matrix Partners IX and its Special Opportunities Fund. The first targeted early-stage technology businesses; the second pursued later-stage investments in familiar sectors. The amount represented the university’s commitment across both funds.⁠[7]

The university described partners’ board involvement and help with management teams, customers and technical talent. This was an investor’s contemporary account of the firm’s approach, rather than a guarantee of identical support across every historical or current investment.⁠[7]

A 2011 SNSplus financing release hosted by Intel listed Apple, Federal Express, SanDiskSanDiskSanDisk, currently branded Sandisk, is a US flash-memory and storage company whose business originated with SunDisk in 1988. Western Digital acquired the former company in 2016; its flash business became the independent public company Sandisk Corporation in 2025.Open the full entry and Sycamore Networks in Matrix’s historical portfolio. This establishes the firm’s investment history without assigning every investment personally to Warren Hellman.⁠[8]

Preqin and First Republic’s first-half 2018 report listed Matrix Partners XI among US venture funds reaching final close, at $450 million with a US focus. This was the size of Fund XI, not the firm’s total assets under management.⁠[9]

The Form D signed on June 17, 2022 for Matrix Partners XII specified an $800 million offering, with nothing sold and no first sale yet. The filing records the offering’s status at that date, not the outcome of subsequent fundraising.⁠[10]

On October 10, 2022, fund-formation counsel Gunderson Dettmer announced the $800 million Matrix Partners XII. The announcement emphasized technical founders and sustained involvement in building technology companies.⁠[11]

Introducing the redesigned website and brand, Antonio Rodriguez described a small team investing from ideas through Series A. He connected selective dealmaking with close attention to existing companies. These were the partner’s statements about strategy, not independently audited industry rankings or performance findings.⁠[12]

A notice effective July 1, 2024 retained Matrix for the US business, named the India business DZ47 under the Z47 brand, and announced MPC for China; the current Chinese website uses MPCi. The notice said the regional teams had made separate investment decisions and maintained separate back offices since inception.⁠[2][6]

On October 6, 2026, enterprise integration company Ampersand announced a $15 million Series A led by Bessemer Venture Partners, with existing investors Matrix and Flex Capital participating. The company builds connections between enterprise agents and existing business systems. The amount covered the whole round.⁠[13]

Matrix’s official post confirmed General Medicine’s $120 million Series B led by a16z and said it had backed the company from inception. Its LinkedInLinkedInLinkedIn is a social networking platform for professionals. It was founded in 2002 by Reid Hoffman and others, launched in 2003, and listed on the New York Stock Exchange in 2011; after Microsoft acquired it for approximately $26.2 billion in 2016, it became a wholly owned Microsoft subsidiary. Its revenue comes from membership subscriptions, advertising, and recruitment solutions.Open the full entry announcement also confirmed TJ Parker’s move to become the company’s CEO.⁠[14][1]

Parker also became a Matrix venture partner.⁠[15]

The current website lists AI, infrastructure, fintech, semiconductors and health technology. Operations leaders include COO Andrea Black and CFO Erin Mauro; Paul Ferri appears under Emeritus. Its Boston-area office is in Cambridge, Massachusetts, alongside a San Francisco office.⁠[16]

Matrix Partners: Official website: https://matrix.vc/ (opens in a new window); X: https://x.com/matrixvc (opens in a new window); LinkedIn: https://www.linkedin.com/company/matrix-vc (opens in a new window).⁠[16][17][1]