# Pioneer Fund's AI Investments: 171 Startups in Its Portfolio (2026) > The 171 AI startups Pioneer Fund has backed, by stage: $2.8B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/pioneer-fund-2-ai-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Pre-seed and seed 122 - [Mosaic](https://millionrounds.com/company/mosaic) - [Harper](https://millionrounds.com/company/harper) - [Reform](https://millionrounds.com/company/reform) - [Patchwork](https://millionrounds.com/company/patchwork) - [Talus Bio](https://millionrounds.com/company/talus-bio) - [PlayAI](https://millionrounds.com/company/playai) - [Kontigo](https://millionrounds.com/company/kontigo) - [*P* Pickle](https://millionrounds.com/company/pickle) - [Browser Use](https://millionrounds.com/company/browser-use) - [Persephone Biosciences](https://millionrounds.com/company/persephone-biosciences) - [*M* Multifactor](https://millionrounds.com/company/multifactor) - [CircleBack](https://millionrounds.com/company/circleback) - [*N* Narrative](https://millionrounds.com/company/narrative) - [Move Ai](https://millionrounds.com/company/move-ai) - [Syntra](https://millionrounds.com/company/syntra) - [*G* Genie](https://millionrounds.com/company/genie) - [*R* Risotto](https://millionrounds.com/company/risotto) - [Onyx](https://millionrounds.com/company/onyx) - [Moritz](https://millionrounds.com/company/moritz) - [Guide Labs](https://millionrounds.com/company/guide-labs) - [Moda](https://millionrounds.com/company/moda) - [Strong Compute](https://millionrounds.com/company/strong-compute) - [*A* Adam](https://millionrounds.com/company/adam) - [Blaxel](https://millionrounds.com/company/blaxel) +98 more ## Series A 24 - [Alta](https://millionrounds.com/company/alta) - [Giga](https://millionrounds.com/company/giga) - [Conveo](https://millionrounds.com/company/conveo) - [Alaan](https://millionrounds.com/company/alaan) - [Weave](https://millionrounds.com/company/weave) - [Flai](https://millionrounds.com/company/flai) - [FurtherAI](https://millionrounds.com/company/furtherai) - [Vera Health](https://millionrounds.com/company/vera-health) - [Alex](https://millionrounds.com/company/alex) - [Vellum](https://millionrounds.com/company/vellum) - [Fazeshift](https://millionrounds.com/company/fazeshift) - [HUD](https://millionrounds.com/company/hud) - [Flower Labs](https://millionrounds.com/company/flower-labs) - [Dili](https://millionrounds.com/company/dili) - [Phonely](https://millionrounds.com/company/phonely) - [Andromeda Surgical](https://millionrounds.com/company/andromeda-surgical) - [Datacurve](https://millionrounds.com/company/datacurve) - [Casco](https://millionrounds.com/company/casco) - [Persist AI](https://millionrounds.com/company/persist-ai) - [Kobalt Labs](https://millionrounds.com/company/kobalt-labs) - [Flagright](https://millionrounds.com/company/flagright) - [Rain AI](https://millionrounds.com/company/rain-ai) - [Magic Patterns](https://millionrounds.com/company/magic-patterns) - [Infiuss health](https://millionrounds.com/company/infiuss-health) ## Stage not reported 16 - [Model ML](https://millionrounds.com/company/model-ml) - [Avoca](https://millionrounds.com/company/avoca) - [Sygaldry Technologies](https://millionrounds.com/company/sygaldry-technologies) - [Metal](https://millionrounds.com/company/metal) - [*S* Sphere](https://millionrounds.com/company/sphere) - [Somatic](https://millionrounds.com/company/somatic) - [Mastra](https://millionrounds.com/company/mastra) - [Reframe](https://millionrounds.com/company/reframe) - [Gauge](https://millionrounds.com/company/gauge) - [Arcane](https://millionrounds.com/company/arcane) - [DeepSource](https://millionrounds.com/company/deepsource) - [Coval](https://millionrounds.com/company/coval) - [Hyperspell](https://millionrounds.com/company/hyperspell) - [Maya Labs](https://millionrounds.com/company/maya-labs) - [mdhub](https://millionrounds.com/company/mdhub) - [Reality Defender](https://millionrounds.com/company/reality-defender) ## Series B 6 - [*T* Twenty](https://millionrounds.com/company/twenty) - [Validere](https://millionrounds.com/company/validere) - [*F* Fleek](https://millionrounds.com/company/fleek) - [Outset](https://millionrounds.com/company/outset) - [Letter AI](https://millionrounds.com/company/letter-ai) - [Cinder](https://millionrounds.com/company/cinder) ## Series C and later 3 - [Assort Health](https://millionrounds.com/company/assort-health) - [Kapital](https://millionrounds.com/company/kapital) - [PowerX](https://millionrounds.com/company/powerx) ## Segment by segment ### Pre-seed and seed 122 startups · $875M raised - [**Mosaic**](https://millionrounds.com/company/mosaic) AI Workforce Management Software United States $341M - [**Harper**](https://millionrounds.com/company/harper) Harper is a painting company that specializes in painting equipment. United States $50M - [**Reform**](https://millionrounds.com/company/reform) REFORM is a marketing and online branding company that offers media buying, public relations, and data analytics services. United States $30M - [**Patchwork**](https://millionrounds.com/company/patchwork) Patchwork is a San Francisco-based startup founded in 2023 that develops an AI-powered team communication tool. United States $25M - [**Talus Bio**](https://millionrounds.com/company/talus-bio) Talus Bio is a drug discovery biotech startup working on drug development for gene regulators. United States $22M - [**PlayAI**](https://millionrounds.com/company/playai) PlayAI offers AI voice models for natural and emotive conversations. United States $22M - [**Kontigo**](https://millionrounds.com/company/kontigo) USDC Neobank for 1.5 billion underbanked humans. United States $20M - [*P* **Pickle**](https://millionrounds.com/company/pickle) United States $19M ### Series A 24 startups · $656M raised - [**Alta**](https://millionrounds.com/company/alta) Invest or sell private companies, funds and alternative assets with Alta, Southeast Asia’s largest marketplace for alternative ass United States $116M - [**Giga**](https://millionrounds.com/company/giga) Giga is a global initiative to connect every school to the Internet. Japan $63M - [**Conveo**](https://millionrounds.com/company/conveo) Conveo is an AI-powered qualitative research platform that enhances market research by allowing businesses to conduct and analyze Belgium $55M - [**Alaan**](https://millionrounds.com/company/alaan) Alaan is an AI-native finance platform based in Dubai, designed to streamline expense management for businesses in the Middle East. United Arab Emirates $48M - [**Weave**](https://millionrounds.com/company/weave) Weave is a boutique consulting firm that specializes in extending its services within supply chain planning to its diverse clientele. United States $34M - [**Flai**](https://millionrounds.com/company/flai) Technology for automated information processing and sharing United States $32M - [**FurtherAI**](https://millionrounds.com/company/furtherai) FurtherAI is a domain-specific artificial intelligence company that focuses on the commercial insurance industry. United States $30M - [**Vera Health**](https://millionrounds.com/company/vera-health) Vera Health is an AI-powered clinical decision support platform founded in 2024 and based in San Francisco, California. Spain $29M ### Stage not reported 16 startups · $427M raised - [**Model ML**](https://millionrounds.com/company/model-ml) Model ML is an artificial intelligence platform founded in 2023 by siblings Chaz and Arnie Englander. United States $150M - [**Avoca**](https://millionrounds.com/company/avoca) Avoca is an AI platform that enhances customer engagement, sales, and service operations for businesses in the service economy, pa United States $125M - [**Sygaldry Technologies**](https://millionrounds.com/company/sygaldry-technologies) Sygaldry Technologies is a quantum-AI infrastructure startup based in Mountain View, California. United States $33M - [**Metal**](https://millionrounds.com/company/metal) Metal is a multidisciplinary branding design firm actively involved in all areas of print communications, corporate branding, annu United States $31M - [*S* **Sphere**](https://millionrounds.com/company/sphere) United States $31M - [**Somatic**](https://millionrounds.com/company/somatic) Somatic makes bathroom cleaning robots for commercial spaces like office buildings. United States $14M - [**Mastra**](https://millionrounds.com/company/mastra) Mastra is a Typescript framework to build AI agents United States $13M - [**Reframe**](https://millionrounds.com/company/reframe) Reframe specializes in healthcare services, focusing on cancer support and alcohol consumption reduction. United States $10M ### Series B 6 startups · $375M raised - [*T* **Twenty**](https://millionrounds.com/company/twenty) Twenty is a development company. United States $144M - [**Validere**](https://millionrounds.com/company/validere) Validere is on a mission to better human prosperity by making the energy supply chain efficient and sustainable. Canada $50M - [*F* **Fleek**](https://millionrounds.com/company/fleek) United States $50M - [**Outset**](https://millionrounds.com/company/outset) Outset is an all-in-one AI-moderated research platform that integrates conversational AI, behavioral intelligence, and emotional analysis. United States $47M - [**Letter AI**](https://millionrounds.com/company/letter-ai) Letter AI is an innovative revenue enablement platform founded in 2023 by Ali Akhtar and Armen Forget, based in Chicago, Illinois. United States $43M - [**Cinder**](https://millionrounds.com/company/cinder) Cinder is a San Francisco-based trust and safety operations platform founded in 2021 by Glen Wise and Phil Brennan. United States $41M ### Series C and later 3 startups · $496M raised - [**Assort Health**](https://millionrounds.com/company/assort-health) Assort Health is a healthcare technology company based in San Francisco, California, founded in 2023 by Jeffery Liu and Jonathan Wang. United States $246M - [**Kapital**](https://millionrounds.com/company/kapital) Kapital.nl, Rudy Kappert, Angel Investor Mexico $225M - [**PowerX**](https://millionrounds.com/company/powerx) PowerX brings power transfer technology to life, allowing for greater usage of renewable energy sources. United States $25M **How this map is made.** Every startup here works in AI and has raised money in a round we track that names Pioneer Fund as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Pioneer Fund's Fintech portfolio** 21 startups · $298M](https://millionrounds.com/portfolio-maps/pioneer-fund-2-fintech-portfolio)[Sector portfolio **Pioneer Fund's Biotech portfolio** 19 startups · $239M](https://millionrounds.com/portfolio-maps/pioneer-fund-2-biotech-portfolio)[Sector portfolio **Pioneer Fund's Big Data & Analytics portfolio** 13 startups · $96M](https://millionrounds.com/portfolio-maps/pioneer-fund-2-big-data-analytics-portfolio)[Sector portfolio **Pioneer Fund's IT Services portfolio** 11 startups · $59M](https://millionrounds.com/portfolio-maps/pioneer-fund-2-it-services-portfolio)[Portfolio map **Pioneer Fund portfolio map** 289 startups · $5.9B](https://millionrounds.com/portfolio-maps/pioneer-fund-2-portfolio-map)[Co-investors **Who invests with Pioneer Fund** 197 co-investors](https://millionrounds.com/portfolio-maps/pioneer-fund-2-co-investors) ## Raising from investors like Pioneer Fund? 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