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Pioneer Fund — Portfolio, Page 5

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

824
Companies
$3.2B
Total invested
$4.7M
Avg. check
51
Industries
Artificial Intelligence (AI) 13Software 7Information Technology 7Biotechnology 4Developer Tools 4Health Care 2+45 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

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Portfolio companies

Showing 97120 of 824
Engage Bio
May 2022

Engage Bio develops non-viral DNA medicines for genetic and therapeutic applications.

Biotechnology · San CarlosSeed
Happl
May 2026

Happl is your personalised benefits and engagement platform for global teams.

B2B · London$5.0M Series A
Catena Biosciences
May 2024

Catena Biosciences is a biotechnology company that offers protein conjugation, building biologic structures, and medical research.

Biotechnology · Berkeley$2.4M Seed
Mastra
April 2026

Mastra is a Typescript framework to build AI agents

Artificial Intelligence (AI) · San FranciscoSeries A
Happenstance
April 2025

Happenstance is people search powered by artificial intelligence.

Artificial Intelligence (AI) · San FranciscoSeed
Friendshop
April 2022

Friendshop is a retail company that offers cosmetics and beauty products.

E-Commerce · San Francisco$8.4M Venture - Series Unknown
Landed
April 2022

Landed improves the hiring process for hourly employers and job applicants.

Recruiting · San FranciscoSeed
Ego Live
April 2024

Ego Live is an AI-native 3D simulation engine building firm to generate realistic characters in 3D worlds.

Artificial Intelligence (AI) · San FranciscoSeed
Reality Defender
April 2025

Reality Defender is the market leader in deepfake detection. Sign up for free at https://www.realitydefender.com/api

Artificial Intelligence (AI) · New YorkVenture - Series Unknown
Adagy Robotics
April 2024

Adagy Robotics begins with human operators who are trained and supported by generative AI.

Artificial Intelligence (AI) · New York$500K Pre-Seed
Patchwork
April 2024

Patchwork helps the team by providing better AI powered communication tools and replacing the Slack.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
AiSDR
April 2026

AiSDR is an AI-powered sales development platform that automates outbound and inbound lead generation process.

Artificial Intelligence (AI) · San Francisco$3.0M Seed
Reframe
April 2022

Reframe is an app to help people cut back on alcohol use and build healthier habits

Apps · AtlantaVenture - Series Unknown
Lua
April 2026

Lua provides AI-powered virtual agents for sales, support, and bookings across channels like WhatsApp, Messenger, and email.

Artificial Intelligence (AI) · London$500K Seed
Phonely
April 2026

Phonely provides an AI-powered voice platform that automates phone interactions for businesses through virtual agents.

Artificial Intelligence (AI) · San Francisco$18.3M Series A
Voltair
April 2026

Voltair develops autonomous drones providing real-time infrastructure inspection and aerial data analytics services.

Artificial Intelligence (AI) · PullmanGrant
Cell Type
April 2026

Cell Type develops models that simulate human drug response and analyze single-cell data for target selection and clinical design.

Bioinformatics · San FranciscoGrant
Jinba
April 2026

Jinba builds an AI platform that lets enterprises create and run automated workflows using natural language across teams.

Artificial Intelligence (AI) · San FranciscoGrant
Mendral
April 2026

Mendral offers DevOps software that monitors continuous integration pipelines, diagnoses failures, and generates code fixes.

Developer Tools · BelmontGrant
Seeing Systems
April 2026

Seeing Systems designs and builds autonomous hardware using AI and computer vision.

Artificial Intelligence (AI) · LondonGrant
KURUKURU
April 2023

KURUKURU is a webcomic platform to create comics by posing scenes and generating characters.

3D Technology · San FranciscoSeed
Pomodyne
April 2023

Pomodyne develops crop cultivation technology with the goal of revolutionizing fruit crop cultivation.

Agriculture · Mountain ViewSeed
Maroo
April 2023

Payments platform for the wedding and events industry

Events · New YorkSeed
Metaphor
April 2023

Metaphor is a language-model-based search engine that simplifies how users carry out web searches.

Internet · New YorkSeed

Where Pioneer Fund invests

Artificial Intelligence (AI)13
Software7
Information Technology7
Biotechnology4
Developer Tools4
Health Care2

About Pioneer Fund's portfolio

How many companies has Pioneer Fund invested in?

Pioneer Fund has invested in 824 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Pioneer Fund invest in?

Pioneer Fund's top investment sectors include Artificial Intelligence (AI), Software, Information Technology, Biotechnology, Developer Tools. The firm invests across 51 different industry categories.

What is Pioneer Fund's largest investment?

Among tracked funding rounds, Phonely received $18.3M in a Series A round. Pioneer Fund's total known invested capital is $3.2B.

What is the average investment size for Pioneer Fund?

Pioneer Fund's average investment size is $4.7M across its portfolio of 824 companies.

What are Pioneer Fund's most recent investments?

Recent Pioneer Fund portfolio additions include Engage Bio, Happl, Catena Biosciences, Mastra, Happenstance. These companies were founded in 2020 or later.

Reach the founders behind these 824 companies
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