Fundraising Fox
Open Capital
operating company · company profileLos Angeles · 4 people tracked
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Investment thesis
The page describes Infillion MediaMath as a composable, API-first DSP that emphasizes transparency, control, and flexibility for advertisers. It integrates demand, data, creative, and supply through open APIs; provides transparent AI optimization via the Infillion Brain engine with visible decision-making; offers access to premium inventory across multiple channels with brand-safe guarantees; and delivers closed-loop performance measurement through first-party location data, real-time brand lift surveys, and log-level reporting—positioning the platform as an alternative to rigid legacy DSP systems.
Source: firm website, verified Aug 6, 2026.
Team · 4 people
from curated & public directories
Founder mafia
2 people who came through Open Capital went on to found or lead other companies.
Frequently asked questions
- What sectors does Open Capital focus on?
- Open Capital focuses on AdTech, AI & Machine Learning, Marketing Tech.
- Where is Open Capital located?
- Open Capital is headquartered in Los Angeles, US.
Co-investors · 5
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General Catalyst is a venture capital firm operating as a partnership focused on company building and accelerating the growth of the businesses it backs.
Craft Ventures is a venture capital firm run by a team of former founders, operators, and investors who partner closely with founders to help build and scale technology companies.
This page announces that GGV Capital split into two separate firms in March 2024: Granite Asia (Singapore, covering APAC) and Notable Capital (US, based in Silicon Valley with offices in San Francisco and New York, investing in the US, Israel, Europe, and Latin America).
Forerunner Ventures is a venture capital firm that backs companies redefining consumer behavior, health, commerce, fintech, and AI-native products.
Upfront Ventures is an early-stage venture capital firm that invests in and partners with startups over the long term.
Firms observed investing alongside Open Capital, from public investor directories. Shared companies are the overlap with Open Capital's recorded portfolio.
Similar investors
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Norwest is a venture capital and growth equity investment firm that has backed over 700 companies across technology, consumer, and healthcare over its 65-year history.
OMERS Ventures is a venture capital firm that invests in founders globally, with investment teams based in New York, Palo Alto, and Toronto.
Oxx is a European venture capital firm that backs founders building category-defining B2B software companies, partnering with them after they have achieved product-market fit to support scaling.
Rho is an investment firm founded in 1981 that backs inventors, entrepreneurs, and operators across all stages of company growth to build market-defining companies.