Zetta Venture Partners
About Zetta Venture Partners
Zetta Venture Partners is the first focused fund committed to delivering exceptional returns from the high-growth analytics market. The firm, founded by industry veteran Mark Gorenberg, launched in 2013. With offices in San Francisco and Utah, and a worldwide network of partners, entrepreneurs and investors, Zetta Venture Partners is at the forefront of the next huge and long-lasting investment opportunity. Focused funds deliver exceptional returns. In fact, over the past 10 years, focused funds have outperformed all funds by 72 basis points, according to the National Venture Capital Association. As an analytics-only fund, Zetta delivers the expertise, network and portfolio to create ongoing, exceptional deal flow. Per Crunchbase, Zetta Venture Partners has made 122 investments, 41 as lead investor across 69 portfolio companies, with 18 exits including 1 IPOs.
PitchBook dates the firm to 2013. Zetta announced its first fund, a $60M vehicle, in February 2015. The announcement named Mark Gorenberg and Ash Fontana as managing directors. Gorenberg had been a managing director at Hummer Winblad, and Fontana had launched online fundraising at AngelList. Jocelyn Goldfein, a former Facebook engineering director, joined as the third partner when Fund II began. Third-party directories currently list Gorenberg and Goldfein as managing directors and James Alcorn as a partner. Zetta's own site is the place to confirm the current team.
Zetta first described its focus as analytics. Its first fund's early investments, announced in 2015, included Domo, InsideSales and Pixlee. PitchBook later described its third fund as aimed at companies applying AI across a variety of sectors. Third-party profiles say the firm backs AI-native B2B companies, meaning products built on machine learning rather than products with AI added as a feature. On the Lounge deals desk, the firm's recent AI rounds include Boltz (Seed, $28M, January 2026, listed as led), Phylo (Seed, $13.5M, February 2026) and Jimini Health (Seed, $17M, March 2026).
Lounge tags the firm as Pre-seed and Seed. Third-party profiles also mention Series A. Zetta does not appear to publish check sizes. Visible.vc and SuperScout list a range of about $1M to $5M, and Signal (NFX) shows individual partner ranges that differ. Treat these as estimates. Funds so far are $60M (2015), $125M (2017) and $180M (announced 2020). An SEC Form D for Zetta Venture Partners IV shows a $150M offering with $85.4M sold as of May 2024. The firm has not published a final size for that fund.
- Boltz: Seed, $28M, January 2026, listed as led by Zetta on the Lounge deals desk
- Phylo: Seed, $13.5M, February 2026, per the Lounge deals desk
- Jimini Health: Seed, $17M, March 2026, per the Lounge deals desk
- Tractable: software that assesses damage from vehicle accidents and natural disasters, named in PitchBook's 2020 report on Fund III
- Myia: healthtech startup, named in PitchBook's 2020 report on Fund III
- Domo: analytics company, among Zetta's first investments announced in 2015
- businesswire.com/news/home/20150211005109/en/Zetta-Venture-Partners-De
- pitchbook.com/newsletter/zetta-venture-partners-closes-ai-focused-fund
- aum13f.com/fund/zetta-venture-partners-iv-lp
- medium.com/zetta-venture-partners/jocelyn-goldfein-8aba576daeb6
- signal.nfx.com/firms/zetta-venture-partners
- connect.visible.vc/investors/zetta-venture-partners/contribute
- superscout.co/investor/zetta-venture-partners
Investing activity
Zetta Venture Partners has made 122 investments according to Crunchbase across 69 portfolio companies, and has led 41 rounds and seen 18 exits, 1 of them by IPO.
Zetta Venture Partners appears in 5 AI deals tracked by the Lounge deals desk, rounds totalling $103M, and led 1 of them. The rounds are mostly Seed, with a median round size of $17M and the largest at $44M. The most recent are SciFin (Seed, $44M, Sep 2026), Pulse Security (Seed, $8M, Jul 2026) and Jimini Health (Seed, $17M, Mar 2026).
Zetta Venture Partners most often invests alongside Foundation Capital, Andreessen Horowitz, Altimeter Capital and Madrona, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about Zetta Venture Partners
Who founded Zetta Venture Partners?
PitchBook says the firm was founded in 2013. Its first fund announcement in 2015 named Mark Gorenberg and Ash Fontana as managing directors.
How big are Zetta Venture Partners' funds?
Fund I closed at $60M in 2015 and Fund II at $125M in 2017. Fund III closed at $180M, announced in 2020. A Form D for Fund IV shows $85.4M sold of a $150M offering as of May 2024.
What stage does Zetta Venture Partners invest in?
Lounge tags Zetta as a Pre-seed and Seed investor. Some third-party profiles also list Series A.
What check size does Zetta Venture Partners write?
Zetta does not publish a check size. Third-party directories estimate about $1M to $5M.
What kind of AI companies does Zetta Venture Partners back?
Third-party profiles say it backs AI-native B2B companies, covering applications, infrastructure and developer tools. Recent Lounge-tracked rounds include Boltz, Phylo and Jimini Health.
What AI companies has Zetta Venture Partners invested in?
Zetta Venture Partners's AI investments include SciFin, Pulse Security, Jimini Health, Phylo and Boltz. The 5 rounds on Lounge are listed on this page with amounts, dates and co-investors.
Where is Zetta Venture Partners based?
Zetta Venture Partners is based in San Francisco, California, United States.
What stage does Zetta Venture Partners invest at?
In the rounds tracked on Lounge, Zetta Venture Partners has invested at Seed, with a median round of $17M. Zetta Venture Partners led 1 of those rounds.
Who does Zetta Venture Partners co-invest with?
Zetta Venture Partners's most frequent co-investors on Lounge are Foundation Capital (2 deals), Andreessen Horowitz (2 deals), Altimeter Capital (1 deal), Madrona (1 deal) and S32 (1 deal).
How can founders reach Zetta Venture Partners?
Founders on Lounge can see Zetta Venture Partners's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add Zetta Venture Partners to their Investor Pipeline to track the conversation.