Portal Ventures

Unknown Ventures is a venture studio based in Austin that provides funding and operational support to early-stage startups at the pre-seed to Series A stage. The firm backs founders seeking to create innovative solutions that improve human experience.

Everywhere Ventures is an early-stage venture firm, backed by a community of founders and operators as LPs, that writes early checks (including pre-seed) into startups across many sectors and geographies.

Kraken is a cryptocurrency exchange operating since 2011, offering crypto trading along with related services such as margin trading, staking, derivatives, and (in the US) equities brokerage through Kraken Securities LLC.

Tiger Global Management operates public equity strategies (long/short, long-focused and crossover) and a private equity business investing in early- through late-stage growth companies across new and existing industries.

FirstMark Capital is a venture capital firm that backs founders and accelerates them through a platform providing access to networks, customers, and top talent.

Fifth Wall is an investment firm focused on technology for the built environment (PropTech), backing startups that make the spaces where people live, work, and play smarter, safer, and more energy efficient.

Addition is a venture capital firm that invests in early and growth-stage tech companies.

Bond is a venture capital fund spun out from Kleiner Perkins that combines Mary Meeker's famous multi-hundred-page "Trends" reports with late-stage investing, positioning itself as both a macro research house and capital provider for category-defining Internet and software businesses. The fund operates with a small, senior-heavy partnership that blends operators and growth investors, focusing on companies that have already proven product-market fit and helping them architect global expansion and IPO readiness.

BAM Ventures is an early-stage investment firm made up of experienced entrepreneurs based in Southern California, backing founders building consumer-focused technologies, products, and services that transform commerce.

Lightbank is a Chicago-based venture capital firm that invests in early-stage technology companies and provides operational support to portfolio companies. The firm was founded by Eric Lefkofsky and Brad Keywell, entrepreneurs behind Groupon, Mediaocean, InnerWorkings, Echo Global Logistics, and Uptake.

75 & Sunny operates as both a venture fund and startup studio where Zillow co-founder Spencer Rascoff directly incubates companies like Queue while leveraging his media presence as a CNBC contributor and podcast host to give portfolio companies exposure that few small funds can match. The LA-based fund concentrates heavily on proptech and "future of living" investments while co-creating companies with unconventional capital structures like SPACs and fractional home-ownership models, drawing on Rascoff's experience navigating public markets.