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Adventure Fund

Brooklyn, NY · Invests in US · Website

Check size

Varies

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Pre-SeedSeedConsumer Apps & SocialE-commerce & MarketplacesMedia & EntertainmentGamingB2B SaaSDeveloper ToolsEnterprise SoftwareDeveloper Tools & InfrastructureFintech & PaymentsHealthcare & Digital HealthAerospace & Defense

Thesis

Invest in early-stage founders and their teams; focus on founders in the network or industries we know; design-focused — look for products we'd be passionate consumers of. Value beyond the check: help founders go-to-market, close deals, fundraise, and negotiate M&A.

Likely not a fit for

Not clear from public materials. Focus appears to be relationship-driven, so cold outreach is less likely to succeed.

How they invest

Warm intro
Preferred
Involvement
Advisor
Decision process
Partnership vote

Partners & team

3 contacts on file

MR

Marty Ringlein

General Partner · Primary contact

WH

Will Hubbard

Partner

WH

William Hubbard

General Partner

Portfolio

BeehiivMedia Entertainment

Beehiiv is a newsletter platform designed to help users create, manage, and grow their newsletters with various features including web building, ad networking, and analytics.

SwagUpEcommerce Marketplaces

SwagUp simplifies the process of creating, automating, and distributing high-quality branded merchandise (swag) for businesses. They offer a platform that includes swag creation and design, assembly and packing, global shipping, and storage services, all aimed at enhancing brand engagement and customer connection.

Acquire.comEcommerce Marketplaces

Acquire.com is the largest marketplace to buy and sell profitable online businesses, specializing in SaaS, ecommerce, agencies, content, newsletters, mobile apps, and crypto businesses.

SpacexAerospace Defense

SpaceX designs and manufactures rockets and spacecraft, founded in 2002 to revolutionize space technology. It offers human spaceflight and research opportunities.

ChimeFintech Payments

Chime is a financial technology company that provides mobile banking services with no hidden fees. It offers features such as early direct deposit, automatic savings, and a user-friendly app to help customers manage their finances effectively.

SafaraTravel Hospitality

Safara is a platform that offers curated boutique hotels and a cashback rewards program for hotel bookings, catering to both leisure and business travelers.

CollectiveFintech Payments

Collective provides an all-in-one financial solution for self-employed entrepreneurs, offering tools, back-office support, and expert guidance to help members save time and money on their business taxes.

Deel

Deel is a global payroll and compliance platform that provides HR solutions for businesses looking to hire and manage remote teams. It offers tools for managing international payroll, compliance, and employee benefits, streamlining the hiring process across borders.

VitalHealthcare Digital

Vital provides a unified API for lab testing and device data integration, enabling seamless healthcare diagnostics and operations across the United States.

LiveblocksEnterprise Software

Liveblocks provides a robust collaboration infrastructure that enables real-time collaboration features in applications, allowing users and AI to work together seamlessly.

CartaEnterprise Software

Carta provides an end-to-end suite connecting private capital, offering solutions for equity management and fund management, including cap table management, valuations, fund administration, and more.

StripeFintech Payments

Stripe builds programmable financial services. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities.

Recent activity

Adventure Fund in the news

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Research briefRead more
Adventure Fund Research Overview Adventure Fund (also operating as Bold, Inc.) is a Brooklyn, NY-based venture capital firm founded in 2011/2012. The firm is led by General Partners Marty Ringlein and William Hubbard. Adventure Fund operates across three distinct investment modes: (1) early-stage direct investments, (2) an in-house incubator for zero-to-one company building, and (3) a meta-fund that invests in other funds for late-stage exposure. Investment Thesis Adventure Fund's thesis is expressed in their tagline: "We believe that the road-trip is as important as the road-map." The firm invests in early-stage founders and their teams, prioritizing relationships — they focus on founders in their network or in industries they know well. Design is a core differentiator in their investment decisions: they look for products they themselves would be passionate consumers of, and get most excited when strong design can provide a competitive advantage. The firm emphasizes that their value extends beyond the check size. They are willing to roll up their sleeves and actively help founders go-to-market, close deals, fundraise, and negotiate M&A. Investment Modes 1. Early-Stage Direct Investments The firm's primary activity. Focused on Pre-Seed and Seed stage companies, with a preference for founders in their extended network. Portfolio spans fintech, developer tools, enterprise software, consumer apps, healthcare, gaming, media, and more. 2. Incubator (Zero-to-One) Adventure Fund brings ideas in-house to build from scratch. Incubator alumni include Gather (couples budgeting), Lolly (dating app), niche (influencer media platform), Promoted (employee advocacy), InGo (event marketing), and Canvas Co/Work (co-working). 3. Meta Fund (Fund-of-Funds) The firm invests in other funds to gain late-stage exposure. LP relationships include Andreessen Horowitz (a16z), Founders Fund, Tiger Global, NextGen Venture Partners, and Singh Capital Partners. Team Marty Ringlein – General Partner Marty is a 5x exited founder turned venture capitalist. He sold his first startup to Twitter pre-IPO and has additional exits to Eventbrite, Invision, WPP, and Brex. He is currently also the CEO and co-founder of Agree.com, and an Adjunct Professor at Northwestern University in the Master's program for Product Design and Development. His LinkedIn is at linkedin.com/in/martymadrid/. Marty is personally an LP in a16z, Tiger Global, and Founders Fund, reflecting the fund's meta-fund strategy. William Hubbard – General Partner William is also a General Partner at Adventure Fund. Previously, he was the Founder and COO at ChemiSense. Stage Focus Primarily Pre-Seed and Seed stage for direct investments. The meta-fund enables late-stage exposure via fund-of-funds strategy. Check Size Not explicitly stated on website. Given the early-stage focus and size of portfolio companies (ranging from small startups to SpaceX and Uber), the fund likely writes checks from $50K to $500K for early-stage, with follow-on capacity. Geographic Focus Based in Brooklyn, NY. Portfolio spans US-based companies predominantly, with some international exposure (Paytm in India, TransferWise/Wise globally). Portfolio Highlights Adventure Fund's portfolio includes some of the most recognizable names in tech: Stripe – Global payments infrastructure SpaceX – Aerospace and rockets Coinbase – Leading cryptocurrency exchange Roblox – Gaming platform (IPO 2021) Chime – Mobile banking fintech Plaid – Financial data connectivity Deel – Global HR and payroll Uber – Ride-sharing platform Carta – Equity management platform Beehiiv – Newsletter publishing platform TransferWise (Wise) – International money transfers Liveblocks – Real-time collaboration infrastructure Aescape – AI-powered wellness robotics Collective – Business-of-One platform Acquire.com – Startup acquisition marketplace Safara – Unified hotel loyalty program Vital – Healthcare data API Capbase – Startup formation platform Stoplight – API design management Palla – International payments app SwagUp – Corporate swag platform Limbix – Prescription digital therapeutics Dialup – Voice chat social app Clover – Notes and productivity app Paytm – India's leading fintech platform Decision Process Given the small partnership (2 GPs), decision-making is likely a partnership model. The fund emphasizes relationship-driven sourcing, so warm introductions through the founders' networks are likely important. Recent Activity The Adventure Fund website was last updated with copyright through 2023. The fund has been active since 2011/2012, with a substantial portfolio of 30+ companies. Recent additions appear to include Beehiiv, Safara, Aescape, and Acquire.com based on website ordering. Key Differentiators Design-first philosophy – Strong conviction that design provides competitive advantage Operator background – Both GPs are founders with multiple exits and hands-on startup experience Meta fund strategy – Unique combination of direct investments + fund-of-funds for late-stage exposure Incubator capability – Can build companies from zero-to-one, not just write checks Network-driven – Relationship-first sourcing from an extended founder network

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