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OSS Capital

OSS Capital

San Francisco, Californiaoss.capital

Overview

OSS Capital is an early-stage venture capital firm exclusively dedicated to backing leading COSS (commercial open source) startup founders on a global basis since 2018. The firm serves the software industry, particularly open source projects in areas such as ai/ml, devtools, api/middleware infra, data, and consumer and enterprise apps.

Year Founded

2018

Portfolio Companies

42

Investments

OSS Capital investments
CompanyDateStageLead
W4 GamesAug 2026Series BCo-investor
CUE LabsOct 2025Series ALead
Tracel TechnologiesAug 2025SeedCo-investor
ManifoldJul 2025Series ALead
TargonJul 2025Series ALead
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Key People

Joseph Jacks

Founder and General Partner

Heather Meeker

General Partner

Andrew Randall

Board Partner

Jim Walker

Portfolio Partner

Scott Williamson

Portfolio Partner, Product

Bernard Liang

Limited Partner

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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

Portfolio analytics

Caplight clients see full sector, stage and valuation breakdowns for this investor.

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Investment Activity

Yearly cadence, pace, and funding raised over time.

Premium
2021
2022
2023
2024
2025
2026

Portfolio analytics

Caplight clients see yearly investment pace and funding raised over time.

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FAQ

Where is OSS Capital based?

OSS Capital is headquartered in San Francisco, California, United States.

When was OSS Capital founded?

OSS Capital was founded in 2018.

How many portfolio companies does OSS Capital have?

OSS Capital has 42 portfolio companies in Caplight's dataset.

What are some companies in OSS Capital's portfolio?

Recent investments visible on Caplight include W4 Games, CUE Labs, Tracel Technologies, Manifold, Targon.

What was OSS Capital's most recent investment?

OSS Capital's most recent investment on Caplight was in W4 Games in 2026.

What sectors does OSS Capital focus on?

OSS Capital focuses on FinTech, Crypto & Web3, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, AI, Data & Cloud Infrastructure, FinTech, Enterprise Software, Healthcare & Life Sciences, AI, Data & Cloud Infrastructure, Media, Entertainment & Gaming, FinTech, AI, Data & Cloud Infrastructure, Enterprise Software, Enterprise Software, Enterprise Software, AI, Data & Cloud Infrastructure, Healthcare & Life Sciences, AI, Data & Cloud Infrastructure, Enterprise Software, Enterprise Software, Enterprise Software, AI, Data & Cloud Infrastructure, Cybersecurity, Enterprise Software, Media, Entertainment & Gaming, AI, Data & Cloud Infrastructure, Crypto & Web3, Media, Entertainment & Gaming, Crypto & Web3, Enterprise Software, Enterprise Software, Cybersecurity, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Cybersecurity, Enterprise Software, Crypto & Web3, AI, Data & Cloud Infrastructure, Enterprise Software, AI, Data & Cloud Infrastructure, Crypto & Web3, Consumer & Commerce, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Media, Entertainment & Gaming, Enterprise Software, Enterprise Software, Enterprise Software, AI, Data & Cloud Infrastructure, Enterprise Software, Enterprise Software, Crypto & Web3, AI, Data & Cloud Infrastructure, Crypto & Web3, Enterprise Software, Enterprise Software, Enterprise Software, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Enterprise Software, AI, Data & Cloud Infrastructure, Enterprise Software, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, Enterprise Software, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Enterprise Software, Enterprise Software, Crypto & Web3, AI, Data & Cloud Infrastructure, Media, Entertainment & Gaming, Frontier & Industrial Tech, Frontier & Industrial Tech, Media, Entertainment & Gaming, Enterprise Software, AI, Data & Cloud Infrastructure, Media, Entertainment & Gaming, AI, Data & Cloud Infrastructure.

What company stages does OSS Capital focus on?

OSS Capital typically invests at the Early stage.

What is OSS Capital's AUM?

OSS Capital's assets under management are estimated between $100.0M and $250.0M.

Firmographic Details

HeadquartersSan Francisco, California
Year Founded2018

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