# Haystack's AI Investments: 23 Startups in Its Portfolio (2026) > The 23 AI startups Haystack has backed, by stage: $1.1B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/haystack-ai-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Pre-seed and seed 9 - [Polyphron](https://millionrounds.com/company/polyphron) - [Hedgehog](https://millionrounds.com/company/hedgehog) - [alphaXiv](https://millionrounds.com/company/alphaxiv) - [EraDrive](https://millionrounds.com/company/eradrive) - [Bench IQ](https://millionrounds.com/company/bench-iq) - [Blockit AI](https://millionrounds.com/company/blockit-ai) - [OpenMeter](https://millionrounds.com/company/openmeter) - [Metalware](https://millionrounds.com/company/metalware) - [Matcha](https://millionrounds.com/company/matcha) ## Series C and later 6 - [*N* Nominal](https://millionrounds.com/company/nominal) - [Solo.io](https://millionrounds.com/company/solo-io) - [*K* KeyMe](https://millionrounds.com/company/keyme) - [Redpanda Data](https://millionrounds.com/company/redpanda-data) - [Scribe](https://millionrounds.com/company/scribe) - [WorkRamp](https://millionrounds.com/company/workramp) ## Stage not reported 5 - [One Concern](https://millionrounds.com/company/one-concern) - [Pangram](https://millionrounds.com/company/pangram) - [Betterview](https://millionrounds.com/company/betterview) - [*P* Parabol](https://millionrounds.com/company/parabol) - [CognitOps](https://millionrounds.com/company/cognitops) ## Series A 3 - [Trebellar](https://millionrounds.com/company/trebellar) - [Materia](https://millionrounds.com/company/materia) - [Determined AI](https://millionrounds.com/company/determined-ai) ## Segment by segment ### Pre-seed and seed 9 startups · $65M raised - [**Polyphron**](https://millionrounds.com/company/polyphron) Polyphron is a New York-based biotech company focused on developing an autonomous tissue foundry that leverages AI, automation, an United States $20M - [**Hedgehog**](https://millionrounds.com/company/hedgehog) Hedgehog is an open Network Fabric for the Distributed Cloud. United States $14M - [**alphaXiv**](https://millionrounds.com/company/alphaxiv) Open research discussion directly on top of arXiv. United States $7.0M - [**EraDrive**](https://millionrounds.com/company/eradrive) EraDrive is a space technology company based in Palo Alto, California, and a spinoff from Stanford University. United States $6.2M - [**Bench IQ**](https://millionrounds.com/company/bench-iq) Bench IQ is an AI-powered judicial intelligence platform based in Toronto, Ontario, Canada. Canada $5.3M - [**Blockit AI**](https://millionrounds.com/company/blockit-ai) Blockit AI is an AI-powered scheduling platform that automates calendar management and facilitates instant scheduling between users. United States $5.0M - [**OpenMeter**](https://millionrounds.com/company/openmeter) OpenMeter offers to quickly implement usage-based pricing for AI, API, and infrastructure consumptions. United States $3.0M - [**Metalware**](https://millionrounds.com/company/metalware) Metalware accelerates hardware development by automating low-level programming, enabling faster embedded systems launches. United States $3.0M ### Series C and later 6 startups · $938M raised - [*N* **Nominal**](https://millionrounds.com/company/nominal) United States $411M - [**Solo.io**](https://millionrounds.com/company/solo-io) Solo.io is a technology company based in Cambridge, Massachusetts, specializing in cloud-native application networking, API manage United States $146M - [*K* **KeyMe**](https://millionrounds.com/company/keyme) United States $131M - [**Redpanda Data**](https://millionrounds.com/company/redpanda-data) Redpanda Data is a San Francisco-based technology company founded in 2019, specializing in high-performance streaming data platfor United States $100M - [**Scribe**](https://millionrounds.com/company/scribe) Scribe, an AI powered online transcription service which provides 99% + accurate transcripts with speed. United States $100M - [**WorkRamp**](https://millionrounds.com/company/workramp) WorkRamp is the Learning Cloud that your employees and customers will love. United States $50M ### Stage not reported 5 startups · $90M raised - [**One Concern**](https://millionrounds.com/company/one-concern) One Concern is a climate resilience technology company based in Menlo Park, California, founded in 2015. United States $65M - [**Pangram**](https://millionrounds.com/company/pangram) Boutique Indian VC firm investing in HealthTech, FinTech, InsurTech & HRTech United States $13M - [**Betterview**](https://millionrounds.com/company/betterview) Betterview is a property intelligence platform that assists property insurers in analyzing, scoring, managing, and monitoring property risk. United States $4.5M - [*P* **Parabol**](https://millionrounds.com/company/parabol) United States $4.0M - [**CognitOps**](https://millionrounds.com/company/cognitops) CognitOps is an enterprise SaaS company founded in 2018 and based in Austin, Texas. United States $3.1M ### Series A 3 startups · $54M raised - [**Trebellar**](https://millionrounds.com/company/trebellar) Trebellar is an AI-native platform company based in San Francisco, California, founded in 2021. United States $22M - [**Materia**](https://millionrounds.com/company/materia) Materia provides a range of construction industries with catalysts and resins. United States $21M - [**Determined AI**](https://millionrounds.com/company/determined-ai) Determined AI is a machine learning tech company that revolutionizes the way deep models are trained and deployed. United States $11M **How this map is made.** Every startup here works in AI and has raised money in a round we track that names Haystack 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) [Co-investors **Who invests with Haystack** 122 co-investors](https://millionrounds.com/portfolio-maps/haystack-co-investors)[Portfolio map **Haystack portfolio map** 76 startups · $9.9B](https://millionrounds.com/portfolio-maps/haystack-portfolio-map)[Sector portfolio **Techstars' AI portfolio** 336 startups · $4.9B](https://millionrounds.com/portfolio-maps/techstars-ai-portfolio)[Sector portfolio **Alumni Ventures' AI portfolio** 302 startups · $36B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-ai-portfolio)[Sector portfolio **Andreessen Horowitz's AI portfolio** 259 startups · $426B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-ai-portfolio)[Sector portfolio **General Catalyst's AI portfolio** 226 startups · $179B](https://millionrounds.com/portfolio-maps/general-catalyst-ai-portfolio) ## Raising from investors like Haystack? Find the investors who back startups like yours, with their cheques, rounds and partners, in the app with filters, lists and exports. [Find investors](https://millionrounds.com/login?join=1&next=/app/investors)[Market maps](https://millionrounds.com/market-maps)