Second Avenue Partners
Venture capitalSeattle · Pre-Seed–Series C · 4 people tracked
Find your way into Second Avenue Partners
153 people in our graph share verified history with the Second Avenue Partners team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Second Avenue Partners makes early-stage investments in promising ventures across a broad range of areas including internet, consumer and social media, software, and clean energy, while remaining open to other ideas. The firm looks for strong entrepreneurial teams, innovative and market-disruptive concepts, and business models leveraging cutting-edge technologies. Beyond capital, it provides management and strategy support and emphasizes building long-term, mentoring relationships with portfolio companies to help them become market leaders.
Source: firm website, verified Aug 3, 2026.
Team · 4 people
from the firm's website
What they invest in
from 19 of 34 portfolio companiesSaaS ×9Enterprise Software ×6AI & Machine Learning ×5Advanced Manufacturing ×4Consumer ×3EdTech ×3Wellness & Fitness ×3Cleantech ×2
HQs:United States×19
Investments · 34 tracked
founders shown can be your intro pathBy year:2026 · 12022 · 22021 · 32018 · 22016 · 12013 · 22012 · 12011 · 12007 · 12002 · 115 dated
StubHub operates a global secondary ticketing marketplace under the StubHub and viagogo brands that facilitates transactions between buyers seeking live event tickets and sellers offering inventory.
Eric H. Baker(Founder, Chairman and Chief Executive Officer)Mark Streams(Executive Vice Chairman, Chief Legal Officer and Director)
Co-investorsAmakorBessemer Venture PartnersDeclaration PartnersFirstMark CapitalNext Legacy PartnersStaenberg Venture Partners
Seeq develops industrial AI and advanced analytics software that combines operational data, documentation, and historical context with the expertise of industrial teams to support operational and strategic decisions.
Advanced ManufacturingAI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSSeattle, US
Steven M. Sliwa(Executive Officer, Director)Brian Parsonnet(Executive Officer, Director)inLisa Graham(Executive Officer)inMichael Risse(Executive Officer)inMark Derbecker(Executive Officer)inTammy Martin(Executive Officer)in
Board seatPete Higgins· per SEC Form D
Co-investorsAltira Group LLCChevron Technology VenturesInsight PartnersSaudi Aramco Energy VenturesSixth StreetAltira Technology Overflow+3 more
IOTA is an industrial visualization platform that provides real-time monitoring, multi-vendor data integration, and analytics for industrial process manufacturers.
Advanced ManufacturingData & InfrastructureEnergyEnterprise SoftwareSaaSDurham, US
Terry Rulapaugh(Executive Officer, Director)Tamara Miller(Executive Officer)Ivan Datskov(Executive Officer, Director)Ted Gorrie(Executive Officer)Olga Datskova(Executive Officer)Alexander Kulikov(Executive Officer)
Co-investorsAltira Group LLCAramco Ventures
Alfred Pay provides cross-border payment infrastructure for Latin America, offering virtual local bank accounts, instant multi-currency settlement, and a developer API.
Crypto & Web3FintechSaaS
Diego Yanez(Founder)in
Co-investorsDepartment of XYZDigital Currency GroupF-Prime CapitalRayo Capital GroupVenture Dept.White Star Capital+2 more
FitOn is a digital wellness platform offering on-demand workouts, meditation, yoga, and personalized nutrition and meal plans, with social features like challenges and friend support.
Digital HealthSports TechWellness & FitnessWest Hollywood, US
Lindsay Cook(Executive Officer, Director)inEdward J. Buckley III(Director)Russell Cook(Executive Officer, Director)
BoardYash Patel(Director)inBrett Carlson(Director)David Schaller(Director)
Co-investorsAccelCauseway PartnersCrosscut VenturesMantis CapitalTitanium VenturesDelta-v Capital+2 more
Flexe provides platform-based warehousing network management, handling implementation, onboarding, and operations across multiple locations for customers seeking to scale their logistics infrastructure.
B2B MarketplacesLogistics & Supply ChainSaaSSeattle, US
Karl Siebrecht(Co-founder & CEO)inEdmond Yue(Director)inFrancis Duong(Director)inCurt Anderson(CFO & COO)in
BoardMike Galgon(Director)
Co-investors137 VenturesAcequia Capital (AceCap)ACTIVATE CAPITAL PARTNERSMadrona Venture GroupRedpoint VenturesBlackRock+4 more
Footprint makes plant-based fiber trays as an alternative to polystyrene for supermarket products such as meat and produce, offering leak-proof, snap-proof designs with extended shelf life.
Advanced ManufacturingCircular EconomyCleantechClimate TechFoodTechNew MaterialsGilbert, US
Co-investorsCleveland AvenueImpact EngineS2G Investments
Insitu develops uncrewed aircraft systems (UAS/UAVs), sensor payloads, and control software for intelligence, surveillance, and reconnaissance (ISR) missions on land and at sea, primarily serving defense and military customers.
Defense TechHardwareRoboticsBingen, US
Diane Rose(President and CEO)inAndrew Duggan(Vice President and Managing Director, Insitu Pacific)inHeather Shoup(Vice President of Business Operations)inJohn Kelly(Vice President of Growth)in
Co-investorsBattery Ventures
IUNU builds LUNA, an AI and computer vision platform that autonomously tracks plant development and turns crop data into real-time insights for growers.
AgTechAI & Machine LearningSaaSSeattle, US
Adam Greenberg(Founder)in
Co-investorsAstanor VenturesCeres PartnersS2G InvestmentsTaurus VenturesBootstrapLabsSerra Ventures
Knack operates a peer-to-peer learning platform that connects colleges and universities with high-achieving students to provide academic tutoring while offering student tutors paid, flexible employment.
EdTechMarketplacesSaaSBarrington, US
Megan Dusenbery(Chief Executive Officer)inWilliam Daugherty(Director)Charles Sanger Mellen(Executive Officer, Director)Lawrence Lein(Director)
Co-investorsBisk VenturesElysium Venture CapitalMiami AngelsNew Markets Venture PartnersPrecursor VenturesVillage Capital
Knock provides a software platform for leasing teams at apartment and residential properties to manage the leasing process through automated workflows, engagement tracking, and task management tools.
Enterprise SoftwarePropTechSaaS
Co-investorsMadrona Venture Group
Lively is a direct-to-consumer intimates brand selling bras and related apparel in a wide range of band and cup sizes as well as standard clothing sizes.
ConsumerDirect to ConsumerE-commerce
Co-investorsNotable CapitalCostanoa VenturesHaystackInterplay Ventures Early Stage Management LlcLiquid VenturesPJC+4 more
Market Leader provides lead generation and customer relationship management tools for real estate agents.
Marketing TechPropTechSaaSSales TechBellevue, US
Modumetal develops nanolaminated metal alloys designed to outperform conventional metals on performance, durability, and sustainability.
Advanced ManufacturingCleantechDeep TechNew MaterialsSeattle, US
Christina Lomasney(Executive Officer, Director)John Beaver(Executive Officer)
BoardAaron VanDevender(Director)Steve Singh(Director)
Co-investorsBandgap VenturesID8 Investmentsbp venturesChevron Technology VenturesFounders FundGolden Seeds
PeerFit (operating as FitOn Health) provides digital fitness and wellness content via an app, combined with access to a national network of in-person fitness experiences, targeting corporate employers seeking employee health and wellness programs.
Enterprise SoftwareHealthtechWellness & FitnessTampa, US
Edward J. Buckley, III(Executive Officer, Director)Scott Peeples(Executive Officer, Director)
BoardMarc Blumenthal(Director)inLee E. Arnold, Jr.(Director)inJeffrey N. Vinik(Director)Jim Philip(Director)
Co-investorsFlorida FundersTech Square VenturesAccelDelta-v CapitalDreamit VenturesMantis Capital+1 more
Pike13 is a scheduling, billing, and client management software platform for appointment- and class-based businesses such as fitness studios, tutoring centers, music and art schools, swim schools, wellness practices, and other service providers.
EdTechSaaSSports Tech
RealSelf is an online platform where consumers can research cosmetic and aesthetic procedures, read peer reviews with "Worth It" ratings, and view average cost information for treatments such as HydraFacial, PRP injections, and Sculptra.
ConsumerHealthtechMarketplacesWellness & FitnessSeattle, US
Thomas Seery(Executive Officer, Director)inJames Nida(Executive Officer)Christine Petersen(Director)Richard Barton(Director)inTanja Omeze(Executive Officer)Andrew Hunt(Director)
Treering is a memory-as-a-service provider that uses proprietary AI technology, fulfillment, and support to turn meaningful moments into physical products such as memory books and school yearbooks.
AI & Machine LearningConsumerEdTechSan Mateo, US
Aaron Greco(Executive Officer, Director)inKevin Zerber(Executive Officer, Director)
BoardThomas Hughes(Director)Mike McCue(Director)
Co-investorsBaleon Capital
Uplevel provides data analytics and expert guidance to engineering leaders to diagnose organizational issues affecting developer productivity and team performance.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareFuture of WorkHR TechSeattle, US
Co-investorsCota CapitalMadrona Venture GroupNorwest Venture PartnersVoyager Capital
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Front DeskKnackshops, Inc.AzaleosFan NationImagekindInkdInspo NetworkKnockKnoxkLumierNewsvinePelotonTree RingWISErg
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Exits · 3
1 IPOs · 2 acquisitions · showing 2Portfolio news
latest coverage across their companiesStubHub · newsfilecorp.com · Aug 24, 2026
Lively · rallyup.com · Jul 24, 2026
Knack · moneycontrol.com · Jun 30, 2026
Front Desk · siliconindia.com · Jan 28, 2026
Alfred · finextra.com · Oct 29, 2025
IUNU · agfundernews.com · Apr 16, 2025
Frequently asked questions
- How many investments has Second Avenue Partners made?
- Second Avenue Partners has 34 tracked investments, 3 of which have exited, including 1 dated in the last 24 months.
- What stage does Second Avenue Partners invest at?
- Second Avenue Partners invests at the Pre-Seed, Seed, Series A, Series B, Series C stages.
- What sectors does Second Avenue Partners focus on?
- Second Avenue Partners focuses on Cleantech, Consumer, Energy, Media & Entertainment, SaaS, Sector Agnostic, Social.
- Where is Second Avenue Partners located?
- Second Avenue Partners is headquartered in Seattle, US.
- Who does Second Avenue Partners co-invest with?
- Second Avenue Partners most often shares deals with Madrona Venture Group, Accel, Battery Ventures, among 22 tracked co-investors.
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