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 daily.

1
Instacart· San Francisco, California, United States
Instacart is a leading grocery technology company that partners with more than 2,200 retail banners – representing nearly 100,000 stores – to transform how people shop for the groceries they need from the retailers they trust, while creating flexible earning opportunities for shoppers. Through the Instacart Marketplace, Instacart Enterprise platform, and Instacart Ads ecosystem, the company powers ecommerce, fulfillment, in-store technology, AI offerings, and advertising for partners. With Instacart Health, the company is providing tools to increase nutrition security, make healthy choices easier for consumers, and expand the role that food can play in improving health outcomes. For more information, visit www.instacart.com/company.
- Private equity
- 25.2k employees
- Founded 2012
2
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
3
Coinbase· First, West Virginia, United States
Coinbase (NASDAQ: COIN) is on a mission to increase economic freedom in the world. The most trusted crypto platform, Coinbase stores more digital assets than any other company and is building the everything exchange — one place to access crypto, equities, derivatives, prediction markets, and more. Coinbase serves consumers through its suite of financial apps, institutions through Coinbase Prime, and developers through the Coinbase Developer Platform. Every experience runs on Coinbase's full-stack platform powering the future of finance: secure custody, deep exchange liquidity, stablecoin infrastructure, and global settlement rails — all built on a decade-plus foundation of security and compliance.
- Post-IPO debt
- 7.3k employees
- Founded 2012
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4
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
5
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

6
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
- 4k employees
- Founded 2016
7
Flexport· San Francisco, California, United States
Our mission is to make global trade so easy that there will be more of it.
- Convertible note
- 2.9k employees
- Founded 2013
8
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
9
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
- 1.6k employees
- Founded 2006
10
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

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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 244 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 once a day.

Last refreshed: Fri, 07 Aug 2026 22:35:53 GMT

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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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