Companies funded by Initialized Capital

Garry Tan's firm focused on early-stage technical founders.

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Ranked by current headcount across companies in Initialized Capital's disclosed portfolio. Refreshed monthly.

1
Rippling· San Francisco, California, United States
Rippling is a workforce management system that eliminates the friction from running a business. Today, most companies struggle with everything from routine tasks, like running payroll, to cross-functional planning, like aligning on headcount. That’s because all their data related to people, processes, and systems is scattered in a hundred places. Rippling has every application you need to run your business—from applicant tracking and payroll to IT and expenses—in one place. But unlike other systems, Rippling sits on top of a unified platform. Data flows dynamically between Rippling’s applications, giving every team a shared source of truth, the power to automate processes, and access to the insights they need. This allows your business to execute better, faster.Based in San Francisco, CA, Rippling has raised $1.2B from the world’s top investors—including Kleiner Perkins, Founders Fund, Sequoia, Greenoaks, and Bedrock.Get help: rippling.com/contactLicensing details: https://app.rippling.com/licensing
- Series G
- 7.8k employees
- Founded 2016
2
Reddit, Inc.· San Francisco, California, United States
Reddit is the heart of the internet, where millions of people get together to talk about any topic imaginable. Share, vote, and decide what matters in everything from breaking news, to fandoms, lifehacks, gaming, sports, health, and the internet’s cutest animals. With over 100,000 subreddit communities about every topic you could think of (and thousands more you couldn’t), whatever it is, there’s a place for you on Reddit. Interested in joining our growing team? Check out redditinc.com/careers.
- Series F
- 5.1k employees
- Founded 2005
3
Clipboard· San Francisco, California, United States
Our Why:At Clipboard, our mission is to uplift as many communities as possible. We do this by connecting healthcare professionals with the workplaces that need amazing workers, helping people achieve financial stability for themselves and their families while providing essential care to people all across the U.S.Our How:Clipboard is an app-based marketplace where workplaces post calls for help and workers answer. Every year, we help hundreds of thousands of workers fill millions of shifts across the U.S. We’re the leader in Long-Term Care staffing and are rapidly expanding into Home Health, Hospitals, and more.Our Team:Founded in 2016, we are a remote-first team of over 1,000 people working to uplift communities across the country.Today, healthcare facilities and schools are understaffed, which can result in poor patient care, student outcomes, and employee burnout. Meanwhile, local professionals have time and want to pick up extra shifts. These two parties don’t know each other and aren’t sure if they can work together (licenses, qualifications, or even trust might get in the way). Clipboard exists to solve this problem.
- Series C
- 4.1k employees
- Founded 2016
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4
Behance· New York, New York, United States
Behance is the leading platform to for creative professionals to showcase their work and get discovered for their talent. We connect millions of designers, illustrators, photographers, and artists with opportunities to share their portfolios, get inspired, and land their next big project.------------------------------WORK AT BEHANCEbehance.net/careersFOLLOW BEHANCE: - Instagram: @Behance- Twitter: @Behance- Facebook: facebook.com/behanceFOLLOW ADOBE ON LINKEDIN FOR DAILY UPDATES:https://www.linkedin.com/company/adobe
- Series A
- 4.1k employees
- Founded 2006
5
Slack· San Francisco, California, United States
Slack is on a mission to make people's working lives simpler, more pleasant and more productive. It is the productivity platform for customer companies that improves performance by empowering everyone with no-code automation, making search and knowledge sharing seamless, and keeping teams connected and engaged as they move work forward together. As part of Salesforce, Slack is deeply integrated into the Salesforce Customer 360, supercharging productivity across sales, service and marketing teams. To learn more and get started with Slack for free, visit slack.com or connect with us @SlackHQ.Ensuring a diverse and inclusive workplace where we learn from each other is core to Slack’s values. We welcome people of different backgrounds, experiences, abilities and perspectives. We are an equal opportunity employer and a pleasant and supportive place to work.Come do the best work of your life here at Slack.
- Secondary
- 2.6k employees
- Founded 2009

6
Arrive· Stockholm, Stockholm County, Sweden
Arrive brings together some of the most trusted names in urban mobility, EasyPark, ParkMobile, RingGo, Parkimeter, Flowbird, YourParkingSpace, Parkopedia, and Yellowbrick, into one global force for smarter, more seamless travel. Founded in 2025 and built on over 70 years of mobility innovation, our team of 4,000+ people supports nearly 60 million users in more than 20,000 cities across 90+ countries.Arrive helps people and decision-makers make better choices about urban mobility and ease the experience of travel. It's our goal to do this in as many cities as possible, regardless of their size, location, or mobility maturity. Our mission is to be the leading global mobility platform, helping both people and cities by saving them time, making cities easier to navigate and more enjoyable to live in. Smart payments, optimized parking, data-driven traffic reduction and reinvestment in public transportation and green space - these are the ingredients to make cities more livable. It's about more than function, it's about saving time and simplifying the experience of travel for everyone. Travel is more than a journey, it's how you Arrive.
- Series unknown
- 1.7k employees
- Founded 2006
7
Ro· New York, New York, United States
Ro is a direct-to-patient healthcare company with a mission of helping patients achieve their health goals by delivering the easiest, most effective care possible. Ro is the only company to offer nationwide telehealth, labs, and pharmacy services. This is enabled by Ro's vertically integrated platform that helps patients achieve their goals through a convenient, end-to-end healthcare experience spanning from diagnosis, to delivery of medication, to ongoing care. Since 2017, Ro has helped millions of patients, including one in every county in the United States, and in 98% of primary care deserts.
- Series unknown
- 1.5k employees
- Founded 2017
8
Flock· Atlanta, Georgia, United States
Flock Safety is the leading public safety platform designed to help communities prevent and reduce crime, not just respond to it. We partner with cities, law enforcement agencies, schools, businesses, and neighborhoods to deliver real-time, objective intelligence that helps stop crime quickly, responsibly, and transparently.Our technology captures objective evidence, such as vehicle and situational data, and applies privacy-first machine learning to surface actionable insights, so investigators can focus on facts, not guesswork. The result is faster resolutions, safer communities, and fewer intrusive policing practices.Unlike legacy systems built around force, hardware sprawl, or after-the-fact evidence review, Flock is purpose-built for crime prevention and accountability at scale. Our cloud-native platform is easy to deploy, simple to use, and designed with civil liberties at the core, including built-in data minimization, auditing, and user transparency.Why communities choose Flock Safety:Prevention-first public safety: stop crime earlier with shared, objective intelligence.Privacy by design: clear retention controls, audit logs, and policy-driven access.Real-time insights: machine learning that helps identify leads in minutes, not days.Unified platform: cameras, sensors, and intelligence working together seamlessly.Community trust: technology that supports public safety without overreach.Today, thousands of cities and organizations rely on Flock Safety to reduce crime, improve clearance rates, and build safer environments - without compromising the values of the communities they serve.Flock Safety is redefining public safety for the modern world: proactive, accountable, and community-centered.TX Alarm License: C29742701
- series i
- 1.4k employees
- Founded 2017
9
The Mom Project· Chicago, Illinois, United States
The Mom Project is a talent community of 2M+ highly engaged, impact-driven professionals, anchored by moms and evolved to include parents, caregivers, and other exceptional professionals. We call them MOMs: Makers of Momentum. Inspired by mission, driven by purpose, fueled by impact, our members bring in-demand superpowers, resilience, and a bias for execution that drive real business results across hiring, engagement, and partnerships. Our mission is to create economic impact for both our MOM community and the companies they serve.
- Series C
- 1.3k employees
- Founded 2015
10
Patreon· San Francisco, California, United States
Patreon is the best place for creators to build community with their biggest fans, share exclusive work, and turn their passions into lasting creative businesses.Hundreds of thousands of video creators, podcasters, musicians, writers, game developers, and more are achieving creative and financial freedom doing what they love on Patreon, powered directly by fans who love what they do.Our endgame? A future where creators are in control, and real community thrives.
- Secondary
- 1.2k employees
- Founded 2013

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Find engineers and founders in Initialized Capital’s portfolio

Initialized Capital’s portfolio is a curated bet on the next wave of category-defining companies. The list above ranks Initialized Capital-backed companies by current headcount, drawn from public LinkedIn and Crunchbase records. With 237 matching companies in Refolk’s index, the depth of senior engineers, founders, and operators is significant.

Initialized Capital’s companies tend to share a profile - strong technical founders, fresh capital, and access to the Initialized Capital network. Hiring from these companies often means hiring from one of the most curated talent pools in tech.

Refolk turns this list into a search. Ask for “Initialized Capital portfolio companies hiring senior ML engineers” or “founders of Initialized Capital-backed companies who left in the last year” and Refolk returns a fresh ranked shortlist.

How this list is built

Refolk pulled companies whose disclosed Crunchbase investor list includes Initialized Capital, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes monthly.

Last refreshed: Mon, 14 Sep 2026 23:25:20 GMT

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Initialized Capital portfolio by location

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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