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Pioneer Fund Portfolio Companies

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

Last updated: July 2026

Pioneer Fund Investment Overview

Portfolio Companies
719
Total Invested
$4.2B
Average Investment
$5.9M

Pioneer Fund's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Unsloth AI2024SeedUndisclosedSan Francisco
Polymet2024Pre-SeedUndisclosedSan Francisco
Proxis2024Pre-SeedUndisclosedSan Francisco
Undermind2024Pre-SeedUndisclosedSan Francisco
Syntra2024Pre-SeedUndisclosedSan Francisco
Poka Labs2024Pre-SeedUndisclosedSan Francisco
Ply Health2024Pre-SeedUndisclosedSan Francisco
Simplex2024Pre-SeedUndisclosedSan Francisco
XTraffic2024Pre-SeedUndisclosedDallas
Weave Robotics2024Pre-SeedUndisclosedSan Francisco

Complete List of Pioneer Fund Portfolio Companies (719)

Export
#CompanyStageAmountLocation
1Unsloth AISeedUndisclosedSan Francisco, United States
2PolymetPre-SeedUndisclosedSan Francisco, United States
3ProxisPre-SeedUndisclosedSan Francisco, United States
4UndermindPre-SeedUndisclosedSan Francisco, United States
5SyntraPre-SeedUndisclosedSan Francisco, United States
6Poka LabsPre-SeedUndisclosedSan Francisco, United States
7Ply HealthPre-SeedUndisclosedSan Francisco, United States
8SimplexPre-SeedUndisclosedSan Francisco, United States
9XTrafficPre-SeedUndisclosedDallas, United States
10Weave RoboticsPre-SeedUndisclosedSan Francisco, United States
Artificial Intelligence (AI)Generative AIMachine LearningOpen SourceSoftware

Unsloth makes reinforcement learning and finetuning easier and more efficient.

San Francisco, United States
September 2024
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyInternet

Polymet helps early-stage teams create high volumes of design work as they grow providing fast and high-quality output.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud ComputingSoftware

Proxis is an AI based cloud computing platform designed for large language model distillation and serving.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)DatabaseSearch Engine

Undermind is a research based firm that is creating an optimised search engine through AI.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Electronic Health Record (EHR)Health Care

Syntra develops an EHR platform that streamlines billing, records, and follow-ups, helping doctors automate tasks.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ManufacturingSaaSSchedulingSoftware

Poka Labs is developing AI-driven production scheduling solutions for the chemical manufacturing industry.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)MedicalTherapeuticsWellness

Ply Health helps behavioral health providers see more patients by getting them in a network with insurance companies.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BData Collection and LabelingMachine LearningRobotics

Simplex generates on-demand vision datasets from 3D scenes to train AI models helping companies save time in data collection.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)CivicTechTransportation

XTraffic is an Embedded Software Product that is working on upgrading traffic lights system for better safety and traffic reduction.

Dallas, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ManufacturingRobotics

Weave Robotics is a Robotics Engineering firm offering Personal robots for the home.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Audio

Merse is a comic book reader and AI creation tool featuring audio effects.

Miami, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ConsumerInformation TechnologyMedia and Entertainment

Overlap is an IT and Internet firm offering a solution to find informative content inside long form content like Youtube.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Generative AIInformation TechnologyInternetMarketingSEOSoftware

Gauge helps companies show up in AI answers.

San Francisco, United States
September 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

GamingMarketplaceTrading Platform

Gamerpay is a marketplace that offers a safe way to trade and own gaming skins and assets.

Copenhagen, Denmark
September 2021
Seed

Founder Contacts

30,000+ verified contacts

Document ManagementInformation TechnologySaaS

Kodex is a workflow management web platform that manages relationships, workflows, and secure file transfer with government agencies.

Boston, United States
September 2025
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsInformation TechnologySaaS

Maitai is a reliable and self-improving enterprise AI, ready to enhance the business efficiency.

San Francisco, United States
September 2024
Seed

Founder Contacts

30,000+ verified contacts

E-CommerceMarketplaceSocial Shopping

Vendah is a women-centric e-commerce platform for reselling kitchen and homeware products.

São Paulo, Brazil
August 2023
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)GovTechSaaSSoftware

EffiGov is the AI call center for local governments.

San Francisco, United States
August 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

AndroidInformation TechnologyiOSMobile AppsSoftware

Stacker is a no-code software creation platform that develops an application to help developers build software.

London, United Kingdom
August 2021
Series A

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechFunding PlatformSaaS

Arc is a full-service finance platform that provides software startups with customized financial products.

San Francisco, United States
August 2022
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SoftwareSoftware Engineering

Floot is an AI-powered no-code platform for non-coders and entrepreneurs to build apps.

San Francisco, United States
July 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Meeting SoftwareSoftware

AI-Native Zoom For Revenue Teams

San Francisco, United States
July 2025
Seed

Founder Contacts

30,000+ verified contacts

CRMHuman ResourcesMarketplaceRecruitingSoftware

Dover provides an integrated hiring platform that connects organizations with fractional recruiters through a marketplace.

San Francisco, United States
July 2021
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SoftwareTicketing

Ticket Wallet is an AI based listing platform for buying and selling event tickets.

Brooklyn, United States
July 2025
Seed

Founder Contacts

30,000+ verified contacts

BankingFinancial ServicesFinTechPayments

Dapi is a platform that enables any application to accept payments instantly at near to 0 fees directly from bank accounts.

San Francisco, United States
July 2022
Seed

Founder Contacts

30,000+ verified contacts

Showing 1-25 of 719 portfolio companies

Frequently Asked Questions About Pioneer Fund

How many companies has Pioneer Fund invested in?

Pioneer Fund has invested in 719 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, SaaS, Marketplace. The firm invests across 50 different industry categories.

What is the average investment size for Pioneer Fund?

Pioneer Fund's average investment size is $5.9M across its portfolio of 719 companies.

What are Pioneer Fund's most recent investments?

Recent Pioneer Fund portfolio additions include Unsloth AI, Polymet, Proxis, Undermind, Syntra. These companies were founded in 2020 or later.

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