Freddie Martignetti

Founder & General Partner, Nava Ventures

Reviewed Updated Jul 15, 2026

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Location San Francisco, CA
Check Size Undisclosed
Last Verified Investment Wirestock (First-time investment (Nava-led per Tracxn most-recent activity)) — Jan 2026
Social LinkedIn
Stage Focus

Background

Freddie Martignetti is the Founder and General Partner of Nava Ventures, an early-stage venture firm he launched in 2021 out of San Francisco 12. He began his career on Wall Street in fixed-income trading at Lehman Brothers and Barclays Capital, then founded Suffolk Equity Partners in 2011, a small private investment firm through which he backed consumer and tech companies including Warby Parker, FIGS Scrubs, Drizly, Omaze, Grab, RapidSOS, and Parachute 13. After roughly five years at Suffolk he joined Highland Capital Partners, where he worked with Everly Health, Bitwise, and Vecna Robotics before spinning out to start Nava 13. He holds a Harvard undergraduate degree and a Harvard MBA, and is also a co-founder of Mezcal Rosaluna 14.

Stated Thesis

Nava’s public materials describe the firm as an early-stage investor focused on being a “first-call” partner to founders across pre-seed, seed and Series A rounds in the United States 12. Martignetti’s own public quotes emphasize consumer-facing wealth-building and everyday-utility products. On leading the Grifin round he said the company had “the potential to make a remarkably positive impact by helping their app users lay the foundation for long-term wealth building” 56.

Inferred Thesis

Based on Nava’s public portfolio of ~18 named companies and Martignetti’s prior Suffolk portfolio (7 companies), the pattern is: (1) predominantly Series A leads and seed-plus rounds in US-based software; (2) a mix of consumer/commerce (Grifin, True Footage, Relief App, Omaze, Warby Parker, FIGS, Drizly, Parachute) and enterprise infrastructure/AI (Hydrolix, Union.ai, Yurts, Legion, GrowthBook, Taut, OpenStudio, lang.ai, Synthetic) 237. Health/insurance surfaces in Open Loop and Superscript, and industrial automation in AeroVect 2. Sample size is small enough (~25 verified positions across Suffolk + Nava) that qualitative description is more honest than percentages, but the consumer/commerce vs. enterprise-AI split appears roughly balanced. Board seats confirmed at Grifin (following the 2025-06-18 Series A) 5. Co-investor patterns include TTV, Draper Associates, Gaingels, Nevcaut Ventures, and Alloy Labs (Grifin) 56.

Portfolio

Company Year Stage Source
Grifin 2025 Series A (led, $11M; TTV, Draper Associates, Gaingels, Nevcaut Ventures, Alloy Labs participated; joined board) 56
Hydrolix 2025 Series C ($80M, participant) 7
Yurts 2024 Series B ($40M, participant) 7
Open Loop 2023 Series (Nava participant; company scaling telehealth) 2
Legion ~2024 Series (Nava participant; secure AI for mission-critical teams) 2
Union.ai ~2024 Series (Nava participant; unified AI/data/analytics) 27
Superscript ~2023 Series (Nava participant; healthcare pricing protocol) 2
GrowthBook ~2023 Series (Nava participant; open-source feature flags) 2
AeroVect ~2024 Series (Nava participant; autonomous ground-support equipment) 2
OpenStudio ~2024 Series (Nava participant; AI creative suite) 2
True Footage ~2023 Series (Nava participant; property appraisal tech) 2
Wirestock 2026 First-time investment (Nava-led per Tracxn) 7
Synthetic (secure cloud for open-source AI models — distinct from Ian Crosby’s bookkeeping startup) ~2024 Series (Nava participant) 2
Warby Parker pre-2016 Suffolk Equity investment (pre-Nava; prior to founding Nava) 13
FIGS Scrubs pre-2016 Suffolk Equity investment (pre-Nava) 13
Drizly pre-2016 Suffolk Equity investment (pre-Nava; company later sold to Uber for $1.1B in 2021) 13
Omaze pre-2016 Suffolk Equity investment (pre-Nava) 13
Grab pre-2016 Suffolk Equity investment (pre-Nava) 13
RapidSOS pre-2016 Suffolk Equity investment (pre-Nava) 13
Parachute pre-2016 Suffolk Equity investment (pre-Nava) 13
Everly Health 2016-2020 Highland Capital era (per Highland co-work note) 3

Table represents Nava’s currently listed public portfolio plus Martignetti’s confirmed prior Suffolk and Highland positions. Nava does not publicly disclose round dates or Nava’s specific role (lead vs participant) for most portfolio companies on its website, so year is anchored on best-available public press or founding year.

In Their Own Words

“Grifin has the potential to make a remarkably positive impact by helping their app users lay the foundation for long-term wealth building.” — Freddie Martignetti on Nava’s investment in Grifin, PR Newswire release, June 18, 2025 5

What Founders Say

No independently sourced founder testimonials about working with Freddie Martignetti or Nava Ventures were located at press time. When more direct portfolio-founder quotes surface (podcasts, blog posts, SEC filings) this section can be expanded.

Sources


  1. Nava Ventures, “Team,” accessed July 2026. https://www.nava.vc/team — Nava’s own team page listing Freddie Martignetti as Founder with the biographical details: former Wall Street trader at Lehman Brothers and Barclays Capital; founded Suffolk Equity Partners in 2011; prior at Highland Capital Partners; co-founder of Mezcal Rosaluna; former football coach at Phillips Andover. 

  2. Nava Ventures, “Portfolio,” accessed July 2026. https://www.nava.vc/portfolio — Nava’s public portfolio page listing Open Loop, Wirestock, Cyclops, Synthetic, Omen, Legion, Knot API, Union, Superscript, GrowthBook, AeroVect, OpenStudio, Grifin, True Footage, Relief App, Taut, Hydrolix, and lang.ai as portfolio companies. 

  3. Crunchbase, “Freddie Martignetti — Founder and General Partner @ Nava Ventures,” accessed July 2026. https://www.crunchbase.com/person/freddie-martignetti — Career and prior-investment summary aggregating Suffolk Equity Partners and Highland Capital Partners positions. 

  4. The Org, “Freddie Martignetti — Founder at Nava Ventures,” accessed July 2026. https://theorg.com/org/nava-ventures-1/org-chart/freddie-martignetti — Additional biography confirmation of Harvard undergraduate and MBA education and current Nava role. 

  5. PR Newswire, “Grifin Raises $11M Series A to Make Investing as Easy—And Automatic—as Everyday Spending,” June 18, 2025. Accessed July 2026. https://www.prnewswire.com/news-releases/grifin-raises-11m-series-a-to-make-investing-as-easyand-automaticas-everyday-spending-302484835.html — Primary press release confirming Nava Ventures led the $11M Series A on 2025-06-18 with participation from TTV, Draper Associates, Gaingels, Nevcaut Ventures, and Alloy Labs; Freddie Martignetti joined the board and is quoted. 

  6. Financial IT, “Grifin Raises $11M Series A to Make Investing as Easy—and Automatic—as Everyday Spending,” June 2025. Accessed July 2026. https://financialit.net/news/fundraising-news/grifin-raises-11m-series-make-investing-easy-and-automatic-everyday-spending — Independent press confirmation of the Grifin Series A, Nava lead, and Martignetti quote and board seat. 

  7. Tracxn, “Nava Ventures — Portfolio, Team & Investment Trends,” accessed July 2026. https://tracxn.com/d/venture-capital/nava-ventures/__hOKDfQqxL0P-ym9-BzRLH8e82CcP5DO6fkqzMFabZeU — Aggregator confirmation of Nava’s investment activity, including Hydrolix ($80M Series C, 2025), Yurts ($40M Series B, 2024), Wirestock most-recent first-time, and Union.ai most-recent follow-on.