# Guillermo Rauch's AI Investments: 34 Startups in Its Portfolio (2026)

> The 34 AI startups Guillermo Rauch has backed, by stage: $2.6B raised between them. From the rounds we track; updated nightly.

Source: https://millionrounds.com/portfolio-maps/guillermo-rauch-ai-portfolio (Millionrounds; every figure on the page links to its filing or article)

## Pre-seed and seed

20

- [Tab](https://millionrounds.com/company/tab)
- [*F* Flora](https://millionrounds.com/company/flora)
- [The Interaction Company of California](https://millionrounds.com/company/the-interaction-company-of-california)
- [Chroma](https://millionrounds.com/company/chroma)
- [Rerun](https://millionrounds.com/company/rerun)
- [Ravenna](https://millionrounds.com/company/ravenna)
- [*P* Polar](https://millionrounds.com/company/polar)
- [Yutori](https://millionrounds.com/company/yutori)
- [Inkeep](https://millionrounds.com/company/inkeep)
- [Pocket](https://millionrounds.com/company/pocket)
- [LastMile AI](https://millionrounds.com/company/lastmile-ai)
- [Julius AI](https://millionrounds.com/company/julius-ai)
- [e2e](https://millionrounds.com/company/e2e)
- [Amie](https://millionrounds.com/company/amie)
- [MeritFirst](https://millionrounds.com/company/meritfirst)
- [Windsor.io](https://millionrounds.com/company/windsor-io)
- [*P* Party](https://millionrounds.com/company/party)
- [The Network](https://millionrounds.com/company/the-network)
- [Cognosys](https://millionrounds.com/company/cognosys)
- [*T* TesterArmy](https://millionrounds.com/company/testerarmy)

## Series A

9

- [Substrate](https://millionrounds.com/company/substrate)
- [Viktor](https://millionrounds.com/company/viktor)
- [Natural](https://millionrounds.com/company/natural)
- [Braintrust Data](https://millionrounds.com/company/braintrust-data)
- [Luminal](https://millionrounds.com/company/luminal)
- [Meticulous](https://millionrounds.com/company/meticulous)
- [PlayerZero](https://millionrounds.com/company/playerzero)
- [Lightdash](https://millionrounds.com/company/lightdash)
- [tldraw](https://millionrounds.com/company/tldraw)

## Series B

5

- [Simile](https://millionrounds.com/company/simile)
- [Odyssey](https://millionrounds.com/company/odyssey)
- [Dash0](https://millionrounds.com/company/dash0)
- [DeepInfra](https://millionrounds.com/company/deepinfra)
- [Outtake](https://millionrounds.com/company/outtake)

## Segment by segment

### Pre-seed and seed

20 startups · $924M raised

- [**Tab**](https://millionrounds.com/company/tab) Connecting merchants, consumers, and banks through Smart Receipts. United States $678M
- [*F* **Flora**](https://millionrounds.com/company/flora) United States $56M
- [**The Interaction Company of California**](https://millionrounds.com/company/the-interaction-company-of-california) The Interaction Company's Poke is an AI assistant that lives fully inside iMessage and integrates seamlessly. United States $25M
- [**Chroma**](https://millionrounds.com/company/chroma) Chroma is the future sound of entertainment. United States $23M
- [**Rerun**](https://millionrounds.com/company/rerun) Rerun is a technology company based in Stockholm, founded in 2022. Sweden $17M
- [**Ravenna**](https://millionrounds.com/company/ravenna) Ravenna is an AI-native IT Service Management (ITSM) platform founded in 2024 and based in Seattle, Washington. United States $16M
- [*P* **Polar**](https://millionrounds.com/company/polar) United States $16M
- [**Yutori**](https://millionrounds.com/company/yutori) Yutori is an AI company focused on developing autonomous web agents that perform everyday digital tasks, such as ordering grocerie United States $15M

### Series A

9 startups · $348M raised

- [**Substrate**](https://millionrounds.com/company/substrate) Substrate is a semiconductor equipment manufacturer and foundry developer based in San Francisco, California. United States $109M
- [**Viktor**](https://millionrounds.com/company/viktor) Viktor is the AI employee that lives in Slack and Microsoft Teams, connects to 9,800+ tools, and does the work. Poland $80M
- [**Natural**](https://millionrounds.com/company/natural) Natural is an agentic payments platform founded in 2025 by Kahlil Lalji, Eric Wang, and Walt Leung. United States $40M
- [**Braintrust Data**](https://millionrounds.com/company/braintrust-data) Braintrust offers an AI stack to simplify the process from evaluations to data management, ensuring seamless integration into any business. United States $36M
- [**Luminal**](https://millionrounds.com/company/luminal) Luminal is an AI infrastructure and machine learning compiler company that focuses on enhancing model inference and deployment speed on GPUs. United States $28M
- [**Meticulous**](https://millionrounds.com/company/meticulous) Meticulous is an app development company. United Kingdom $19M
- [**PlayerZero**](https://millionrounds.com/company/playerzero) PlayerZero is an Atlanta-based AI company that specializes in predictive software quality solutions. United States $15M
- [**Lightdash**](https://millionrounds.com/company/lightdash) Lightdash turns a dbt project into a full-stack BI platform. United Kingdom $11M

### Series B

5 startups · $1.4B raised

- [**Simile**](https://millionrounds.com/company/simile) Simile is the simulation company, built for leading enterprises. United States $600M
- [**Odyssey**](https://millionrounds.com/company/odyssey) Odyssey Media Group, Inc. United States $464M
- [**Dash0**](https://millionrounds.com/company/dash0) Dash0 is a private observability software company founded in 2023 and based in New York, NY. United States $145M
- [**DeepInfra**](https://millionrounds.com/company/deepinfra) DeepInfra is an AI inference cloud company based in Palo Alto, founded in September 2022. United States $125M
- [**Outtake**](https://millionrounds.com/company/outtake) The internet went agentic. United States $40M

**How this map is made.** Every startup here works in AI and has raised money in a round we track that names Guillermo Rauch 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 Guillermo Rauch** 63 co-investors](https://millionrounds.com/portfolio-maps/guillermo-rauch-co-investors)[Portfolio map **Guillermo Rauch portfolio map** 49 startups · $3.2B](https://millionrounds.com/portfolio-maps/guillermo-rauch-portfolio-map)[Sector portfolio **Fusion Fund's AI portfolio** 31 startups · $1.1B](https://millionrounds.com/portfolio-maps/fusion-fund-2-ai-portfolio)[Sector portfolio **BioInnovation Institute's Biotech portfolio** 31 startups · $165M](https://millionrounds.com/portfolio-maps/bioinnovation-institute-biotech-portfolio)[Sector portfolio **Flourish Ventures' Fintech portfolio** 27 startups · $3.3B](https://millionrounds.com/portfolio-maps/flourish-ventures-2-fintech-portfolio)[Sector portfolio **SV Life Sciences' Biotech portfolio** 23 startups · $1.4B](https://millionrounds.com/portfolio-maps/sv-life-sciences-biotech-portfolio)

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