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Pioneer Fund — Portfolio, Page 17

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

828
Companies
$3.6B
Total invested
$5.0M
Avg. check
58
Industries
Artificial Intelligence (AI) 12Information Technology 8Software 6Biotechnology 3E-Commerce 3Productivity Tools 2+52 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

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Verified contacts, updated monthly
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Portfolio companies

Showing 385–408 of 828
Theorem
January 2026

Theorem is an AI based Software Development firm offering productivity and verification tools for development.

Artificial Intelligence (AI) · San Francisco$6.0M Seed
Alta
January 2022

We build vibrant communities that bring incredible experiences to our players as we innovate with new technology to find new ways to play.

San Francisco$12.4M Seed
Guide Labs
December 2025

Guide Labs is a software development company that builds interpretable models to explain reasoning that are easy to steer, debug, and align.

Artificial Intelligence (AI) · San Francisco$9.0M Seed
Multifactor
December 2025

Multifactor provides secure identity management with authentication, authorization, and auditing using strong cryptography.

Artificial Intelligence (AI) · San Francisco$15.0M Seed
Codebuff
December 2024

Codebuff is a coding agent that edits codebases, runs terminal commands, and boosts productivity

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
C16 Biosciences
January 2024

C16 Biosciences is a biotechnology company producing clean and safe alternatives to palm oil.

Biotechnology · New YorkGrant
dNovo Bio
January 2022

Dnovobio is a developer of a direct reprogramming technology intended to create any cell, tissue, or organ on demand.

Biotechnology · San JoseSeed
Spatial AI
December 2025

Spatial AI is an Ai driven company that offers data infrastructure robots.

Artificial Intelligence (AI) · Palo Alto$500K Pre-Seed
Piggy Robotics
December 2025

Piggy Robotics is a robotics company that builds humanoid robots using artificial muscles in order to mass-produce the robots.

Artificial Intelligence (AI) · Southampton$500K Pre-Seed
Kobalt Labs
December 2025

Kobalt Labs provides an AI copilot for risk and compliance teams at financial institutions.

Artificial Intelligence (AI) · New York$11.0M Series A
Expected Parrot
December 2025

Expected Parrot offers tools to design, test, and simulate agents for surveys and research.

Artificial Intelligence (AI) · Cambridge$500K Pre-Seed
SellRaze
December 2025

SellRaze offers a cross-listing app for identifying, pricing, and listing items quickly across multiple marketplaces.

Apps · San FranciscoSeed
Unusual AI
January 2026

Unusual AI is an IT and Internet firm offering AI that personalise website according to visitors for more conversions.

Artificial Intelligence (AI) · San FranciscoSeed
222
December 2025

222 is a social app that gives opportunity for its users to connect and meet new people, discover the city, and deepen their relationships.

Information Technology · Los Angeles$10.1M Series A
Make Sunsets
December 2022

Make Sunsets is a Sunlight Reflection company that creates biodegradable, reflective clouds at high altitudes to cool the planet.

Environmental Engineering · Box Elder$750K Pre-Seed
Aravolta
December 2025

Aravolta provides software that helps data center operators monitor, control, and manage complex infrastructure through a unified platform.

Data Management · San Francisco$5.1M Seed
Hamming AI
December 2024

Hamming AI is an experimentation platform that helps teams build reliable AI products.

Artificial Intelligence (AI) · San FranciscoSeed
Hyperspell
December 2025

Hyperspell is your Company Brain. Connects your tools, builds a context graph, and surfaces it as an updating filesystem any agent can read.

Agentic AI · San FranciscoSeed
Miniswap
December 2025

Miniswap offers a marketplace for tabletop wargaming miniatures.

Consumer · San FranciscoSeed
Pirros
December 2025

Pirros is a detail management system for architects and engineers.

Architecture · Los Angeles$15.0M Series A
Pabio
December 2021

Pabio is a rent-to-own furniture company that offers personalized interior design services.

E-Commerce · Bern$2.2M Seed
Complif
December 2022

Frictionless compliance.

Compliance · Buenos Aires$2.6M Seed
Bactobio
December 2022

Bactobio is a biotechnology company unlocking biodiversity for a greener and safer world.

Biotechnology · London$7.4M Convertible Note
Clear
December 2021

Clear is the #1 social skincare app available for free on iOS and Android - buy, track and share your skincare with Clear.

Apps · London$840K Pre-Seed

Where Pioneer Fund invests

Artificial Intelligence (AI)12
Information Technology8
Software6
Biotechnology3
E-Commerce3
Productivity Tools2

About Pioneer Fund's portfolio

How many companies has Pioneer Fund invested in?▸

Pioneer Fund has invested in 828 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), Information Technology, Software, Biotechnology, E-Commerce. The firm invests across 58 different industry categories.

What is Pioneer Fund's largest investment?▸

Among tracked funding rounds, Multifactor received $15.0M in a Seed round. Pioneer Fund's total known invested capital is $3.6B.

What is the average investment size for Pioneer Fund?▸

Pioneer Fund's average investment size is $5.0M across its portfolio of 828 companies.

What are Pioneer Fund's most recent investments?▸

Recent Pioneer Fund portfolio additions include Theorem, Alta, Guide Labs, Multifactor, Codebuff. These companies were founded in 2020 or later.

Reach the founders behind these 828 companies
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