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.

Second Avenue Partners

Venture capital

Seattle · Pre-Seed–Series C · 4 people tracked

★ Follow + Add to CRM ⤳ Find an introduction

✨ Fox Verdict

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.

Invests inCleantech Consumer Energy Media & Entertainment SaaS Sector Agnostic SocialSeattleUnited States

Source: firm website, verified Aug 3, 2026.

Stage

Pre-Seed–Series C

Seattle, Washington, US

Instruments

Equity

Founded

2000

Tracked investments

Team · 4 people

from the firm's website

Keith Grinstein· Founding Partner

A founding partner who was instrumental in bringing the partners together; he passed away on September 28, 2008.

Mike Slade· Founding Partner· Seattle

Mike Slade started his career at Microsoft in 1983, spending seven years in product marketing roles and helping bring Excel, Works, and Microsoft Office to market before leaving as director of corporate marketing in 1990. He was VP-Marketing at NeXT Computer, then CEO of Paul Allen's Starwave, where he launched sites including ESPN.com and NBA.com before its 1998 sale to Disney, and later served as a strategic advisor to Steve Jobs at Apple. He co-founded Second Avenue Partners in 2000 and holds an economics degree from Colorado College and an MBA from Stanford.

m•••@secondave.comreveal

Nick Hanauer· Founding Partner· Seattle

Nick Hanauer is a co-founder and partner of Second Avenue Partners, a Seattle-based venture capital firm that provides management, strategy, and capital to early-stage companies. He has founded, managed, or financed more than 30 companies across industries including manufacturing, retail, e-commerce, digital media and advertising, software, aerospace, health care, and finance. He is also a writer and commentator on economic policy and inequality, an early advocate for a $15 minimum wage, and the author of three books.

n•••@secondave.comreveal

Pete Higgins· Founding Partner· Seattle

Pete Higgins is a founding partner of Second Avenue Partners, a Seattle firm that provides management, strategy, and capital to early-stage companies. Before founding the firm, he spent 16 years at Microsoft, where he held roles including group vice president of the Interactive Media Group and senior vice president of the Desktop Applications division, and was a member of the Office of the President. He holds an MBA and undergraduate degrees in economics and history from Stanford University.

p•••@secondave.comreveal

What they invest in

from 6 of 26 portfolio companies

AI & Machine Learning ×3Enterprise Software ×3SaaS ×3Advanced Manufacturing ×2AgTech ×1B2B Marketplaces ×1Cleantech ×1Data & Infrastructure ×1

HQs:United States×10

Investments · 26 tracked

founders shown can be your intro path

Seeqseeq.com✓ verified

Seeq is a provider of industrial SaaS software for advanced analytics and AI-driven monitoring of time-series data, serving process manufacturers in oil and gas, chemicals, pharmaceuticals, energy, and related industries.

Advanced ManufacturingAI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSSeattle, US

Lisa Graham(Executive Officer)Michael Risse(Executive Officer)Matt Koran(Director)Mark Derbecker(Executive Officer)Pete Higgins(Director)Tammy Martin(Executive Officer)

Board seatPete Higgins· per SEC Form D

Front DeskSEC filingmedium confidence

Seattle, US

Boris Wertz(Director)Jon Zimmerman(Executive Officer, Director)Mike Maples, Jr.(Director)Sam Osman(Director)Nick Hanauer(Director)

Board seatNick Hanauer· per SEC Form D · $4.5M raise · filed Dec 2016

Knackshops, Inc.SEC filingmedium confidence

Seattle, US

Nick Hanauer(Director)Laura Jennings(Executive Officer, Director)

Board seatNick Hanauer· per SEC Form D · $3.5M raise · filed Dec 2021

Azaleos

Azazeosavanade.com

Fan Nationfannation.com

FitOnfitonapp.com

West Hollywood, US

Lindsay Cook(Executive Officer, Director)Russell Cook(Executive Officer, Director)Edward J. Buckley III(Director)

BoardYash Patel(Director)Brett Carlson(Director)David Schaller(Director)

Flexeflexe.comin 𝕏

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 ChainSaaS<UNKNOWN>, US

Karl Siebrecht(Co-founder & CEO)Curt Anderson(CFO & COO)Edmond Yue(Director)Mike Galgon(Director)Francis Duong(Director)

Footprint USfootprintus.comin 𝕏

In Situinsitu.comin 𝕏

Inkdinkd.com

Insitu Group

Developer of long-range unmanned aircraft systems pioneering miniature autonomous flight technology.

Iota Software

Durham, 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)

IUNUiunu.comin 𝕏

IUNU provides technology solutions for greenhouse growers to optimize production and scale operations.

AgTechAI & Machine LearningSeattle, US

ADAM GREENBERG(CEO)

Knock

Knockcrmknockcrm.comin 𝕏

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<UNKNOWN>

Knoxk

Property management CRM platform for multifamily housing that helps ownership groups improve NOI.

Market Leadermarketleader.com𝕏

Modumetalmodumetal.com

Modumetal develops nanolaminated metal coatings using proprietary electroplating technology to enhance the strength, durability, and environmental sustainability of industrial materials.

Advanced ManufacturingCleantechNew MaterialsSeattle, US

Christina Lomasney(Executive Officer, Director)John Beaver(Executive Officer)Steve Singh(Director)Aaron VanDevender(Director)

Newsvinenewsvine.com

Peloton

Leading digital wellness platform offering premium content and social experiences with unlimited access across devices.

Real Selfrealself.comin 𝕏

Seattle, US

Thomas Seery(Executive Officer, Director)James Nida(Executive Officer)Michael Slade(Director)Christine Petersen(Director)Richard Barton(Director)Tanja Omeze(Executive Officer)

Seeq Corp

Tree Ring

Uplevel

Uplevelteamuplevelteam.comin

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

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.

Frequently asked questions

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.

Similar investors

Khosla Ventures

Khosla Ventures is a venture capital firm known for backing bold, contrarian bets in world-class teams that can reshape entire industries.

$5K – $50M

Lakson Venture Capital (LVC)

Lakson Venture Capital Fund (LVCF) is a Pakistan-focused fund that invests in early and growth-stage technology companies across most economic sectors, backed by Lakson Investments and the Lakson Group.

$425K – $7.5M

VantagePoint Capital Partners

VantagePoint Capital Partners is a global venture investor backing companies from startup through scale-up, with a particular focus on energy innovation and efficiency.

$2M – $100M

Basecamp Fund

A globally recognized venture capital firm designed to provide access to highly competitive venture deals to individual investors, consistently recognized for top-decile DPI performance and as one of the most active US venture firms.