Fundraising Fox

Air Street Capital

Venture capitalActively deploying

St. Peter Port · Pre-Seed–Growth · 6 people tracked

Also known as AIR STREET CAPITAL MANAGEMENT LIMITED

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Investment thesis

Air Street Capital focuses on AI-first companies and prefers to invest as early as possible. The firm actively engages with founders from day one, iterating alongside them on product, market, and technology strategy. Its stated aim is to help build enduring companies that create a lasting impact within their markets.

Source: firm website, verified Aug 3, 2026.

Stage
Pre-Seed–Growth
Check
$500K – $10M
HQ
St. Peter Port, GB
Leads rounds
Leads
Instruments
Equity
Founded
2018
Private fund assets
$147.7M
VC funds
2
Tracked investments
73

Team · 6 people

from the firm's website
Alex Chalmers· Venture Fellow alumnus ('23-'24)in

Former Air Street Capital Venture Fellow (2023-2024); works on independent research and writing.

Corina Gurau· Venture Fellow alumnus ('23)in

Former Air Street Capital Venture Fellow (2023); Member of Technical Staff at Runway ML.

Nitarshan Rajkumar· Venture Fellow alumnus ('22)in

Former Air Street Capital Venture Fellow (2022); works on international policy at Anthropic.

Othmane Sebbouh· Venture Fellow alumnus ('21-'23)in

Former Air Street Capital Venture Fellow (2021-2023); Quant Researcher at Cubist.

Paula Pastor Castaño· Advisor, Legal & Operationsin

What they invest in

from 29 of 73 portfolio companies

AI & Machine Learning ×21Deep Tech ×10SaaS ×5Biotech ×4Developer Tools ×4Enterprise Software ×4Cloud Computing ×3Consumer ×3

HQs:United States×15United Kingdom×2Canada×1Germany×1France×1

Investments · 73 tracked

founders shown can be your intro path
Adept siteadept.ai
Allcyteallcyte.com
Alta Aresaltaares.comin
Anagenexanagenex.com
Andelaandela.comin𝕏

Andela connects global technologists with enterprise opportunities and serves as a platform for hiring, building AI systems, and upskilling teams.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareFuture of WorkHR TechWashington, D.C., US

Carrol Chang(CEO)Barun Singh(Chief Product & Technology Officer)Geoff MacNeil(Chief Revenue Officer)Kennith Jackson(Senior Vice President of Solutions)inErin Lothson(General Counsel)inLila(VP of People)in

Athenianathenian.com𝕏
Automataautomata.tech

Automata provides lab automation and data management tools, enabling researchers and technicians to generate accurate data at scale through intuitive workflow creation.

AI & Machine LearningDeep TechHardwareHealthtechLegalTechRoboticsSaaS

Mostafa ElSayed(CEO and Co-Founder)Suryansh Chandra(Co-Founder)

Black Forest Labsbfl.aiin𝕏

AI research lab developing visual intelligence technology including image generation and manipulation models.

AI & Machine LearningDeep TechDeveloper ToolsFreiburg, DE

Robin Rombach(Founder)Andreas Blattmann(Founder)Patrick Esser(Founder)Anjney Midha(Director)

Cellvoyantcellvoyant.comin

CellVoyant is an AI-first company that develops predictive analytics and optimization tools for cell-based therapeutic development, helping researchers accelerate process development and reduce costs through label-free imaging analysis and data-driven process optimization.

AI & Machine LearningBiotechDeep Tech

Rafael Carazo Salas(CEO & Founder)in

Chromatrychroma.com𝕏
ClipDropclipdrop.coin𝕏acquired by Stability AI

Clipdrop offers AI-powered image editing tools including background removal, object cleanup, image upscaling, and text-to-image generation.

AI & Machine LearningConsumerCreator EconomyMedia & EntertainmentSaaSParis, FR

Cyril Diagne(Founder)inJonathan Blanchet(Founder)inDamien Henry(Founder)in

Cloveclove.comin𝕏
Contextual AIcontextual.aiin𝕏

Contextual AI builds a platform for enterprises to develop AI agents and applications that operate securely on proprietary data.

AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise Software

Douwe Kiela(Founder)Amanpreet Singh(Founder)

Coram AIcoram.ai

Coram provides an AI-native physical security platform that unifies video security, access control, emergency management, and guest management for schools, hospitals, and multi-site teams.

AI & Machine LearningCybersecurityEnterprise SoftwareSunnyvale, US

Ashesh Jain(Co-Founder & CEO)Peter Ondruska(Co-Founder & CTO)TOBY COPPEL(Director)JAKE MEDWELL(Director)BRYAN BAUM(Executive Officer, Promoter)

Crusoe
Crusoe Energycrusoe.aiin𝕏

Crusoe builds energy-first AI infrastructure, using innovative and renewable energy sources to power hyperscale AI factories and a cloud platform for AI workloads.

AI & Machine LearningCloud ComputingEnergy

Cully Cavness(Co-Founder)Chase Lochmiller(Executive Officer, Director)

Delfadelfa.ai
ElevenLabselevenlabs.ioin

ElevenLabs is an AI research and product company that builds voice generation and audio processing platforms for creating human-like voice interactions with technology.

AI & Machine LearningCreator EconomyEnterprise SoftwareSaaS

Mati Staniszewski(Founder & CEO)

Envedaenvedabio.com
Exscientia
Fern Labsfern-labs.ai
Flow Engineeringflowengineering.comin𝕏
Gandeevagandeeva.comin𝕏
General Reasoninggr.incin𝕏

San Francisco, US

Chengxi Wang(Executive Officer, Director)Ross James Taylor(Executive Officer, Director)

BoardThomas Joseph Grady II(Director)Kip Gabriel Parker(Director)

Gourmeygourmey.comin𝕏
Graphcoreacquired by Softbank

AI chip company, acquired by SoftBank

GTVgetgtv.com
Hederahederadx.comin𝕏
Intenseyeintenseye.comin

New York, US

Teddie Wardi(Director)Ricardo Sequerra Amram(Director)Serhat Cillidag(Executive Officer, Director)Esen Sercan(Executive Officer, Director)

Interloominterloom.io
Jukedeckjukedeck.com
Kradlekradle.ai

Kradle builds an evaluation platform for AI models using interactive simulations rather than static tests, starting with Minecraft environments.

AI & Machine LearningMinneapolis, US

William Partyka(Executive Officer)

LabGeniuslabgeni.usin𝕏

BiotechLondon

James Field(Executive Officer, Director)Harrison Rickerby(Executive Officer, Director)

Lambdalambdalabs.comin𝕏

Lambda builds modular AI data centers ("AI factories") with power, liquid cooling, and high-bandwidth interconnects, and provides GPU cloud infrastructure for training and deploying AI models.

AI & Machine LearningCloud ComputingData & InfrastructureSan Francisco, US

Benhamin Nelson(Executive Officer)Austen Allred(Executive Officer, Director)Jessica Verrilli(Director)John Danner(Director)

Lumalu.ma𝕏

lu.ma is a platform for creating event pages, inviting attendees, and selling tickets for events.

Marketplaces

Macrodatamacrodata.coin𝕏
Mapillary Marketplace, SAASmapillary.comin𝕏

Bjarred

Evan Nisselson(Director)Jan Erik Solem(Executive Officer, Director)

Mayhemnianticlabs.com

Niantic Labs develops mobile games and apps that encourage outdoor exploration and real-world community engagement through location-based gaming experiences.

ConsumerGaming

Mission Barnsmissionbarns.comin𝕏

Mission Barns produces cultivated meat products, primarily pork-based items like meatballs, bacon, and sausages, combining lab-grown pork fat with plant protein for consumers seeking sustainable alternatives to conventional meat.

Climate TechFoodTechBerkeley, US

Ilan Eitan Fischer(Executive Officer, Director)David Bowman(Director)

Modern Intelligencemodernintelligence.aiin𝕏

Modern Intelligence develops artificial intelligence products for defense applications.

AI & Machine LearningDeep TechDefense TechSan Jose, US

Joseph Cieslik(Executive Officer, Director)Tristan Tager(Director)John Dulin(CEO)

Muon Spacemuonspace.comin𝕏

Muon Space designs, builds, and operates satellite constellations using its proprietary Halo technology stack, which integrates spacecraft platforms, payload integration, and software-defined orchestration to deliver data and enable real-time computation in space.

Deep TechHardwareSpace TechSilicon Valley, US

Jonny Dyer(Founder & CEO)Paul Day(Executive Officer, Director)Daniel McCleese(Executive Officer, Director)John Cowgill(Director)Rob Toews(Director)

Ndeandea.comin𝕏

NDEA develops artificial general intelligence technology and benchmarks.

Advanced ManufacturingAI & Machine LearningDeep Tech

François Chollet(Founder)inMike Knoop(Founder)inFrancois Chollet(Founder)in

Numerainumer.ai𝕏

Numerai operates a quantitative global equity market-neutral hedge fund built on a data science tournament, where participants build machine learning models on obfuscated financial data to predict market targets.

AI & Machine LearningCrypto & Web3FintechSan Francisco, US

Andrew Weissman(Director of the Issuer.)Richard Craib(Managing Member of the Issuer.)

Odysseyodyssey.mlin𝕏

Odyssey is an AI lab developing general world models trained on multimodal observations of the physical world.

AI & Machine LearningDeep Tech

Jeff Hawke(CTO)

Onodrim Acquiredonodrim.com
Optimaloptimal.agin
Patina Systemspatinasystems.com𝕏
Percepticperceptic.comin
Polar Mistpolarmist.ai
PolyAIpoly-ai.comin𝕏
Poolsidepoolside.ai

Poolside builds open-weight foundation models and agentic coding models, including the Laguna family, along with the systems and infrastructure needed to train, refine, and improve these models.

AI & Machine LearningDeveloper Tools

Jason Warner(Founder & CEO)Eiso Kant(Founder)

Profluentprofluent.bio
Ravelin
Ravelin Technologyravelin.comin

CybersecurityLondon, GB

Recursion
Recursion (NASDAQ: RXRX)recursion.comin𝕏

Recursion applies computational and data-driven approaches to biological science, aiming to accelerate drug discovery and develop new treatments.

AI & Machine LearningBiotechData & InfrastructureDeep TechMedical DevicesSalt Lake City, US

Chris Gibson(Co-founder, Chairman of the Board)

Frequently asked questions

What stage does Air Street Capital invest at?
Air Street Capital invests at the Pre-Seed, Seed, Series A, Growth stages.
What is Air Street Capital's typical check size?
Air Street Capital typically writes checks of $500K – $10M.
What sectors does Air Street Capital focus on?
Air Street Capital focuses on AI & Machine Learning, Biotech, Data & Infrastructure, Deep Tech, Defense Tech, Developer Tools, Medical Devices, Robotics.
Where is Air Street Capital located?
Air Street Capital is headquartered in St. Peter Port, GB.
Does Air Street Capital lead rounds?
Yes, Air Street Capital leads investment rounds.

Media · Podcasts & interviews

featuring the team

The State of AI: Rise of Reasoning, Open Source, Sovereign AI | Nathan Benaich, Air Street Capital

The Peel with Turner Novak · Nathan Benaich

TechBio Talks Episode 3: Air Street Capital's Nathan Benaich with Host Chris Gibson

Recursion · Nathan Benaich

The State of AI 2025: Insights from Nathan Benaich at Air Street Capital #stateofai #ai

The Research and Applied AI Summit - RAAIS · Nathan Benaich

RAAIS 2025 - Closing Remarks by Nathan Benaich (Air Street Capital and RAAIS Foundation)

The Research and Applied AI Summit - RAAIS · Nathan Benaich

Is deep learning hitting a wall? Eiso Kant (Poolside) and Nathan Benaich (Air Street Capital)

The Research and Applied AI Summit - RAAIS · Nathan Benaich

State of AI 2024: Frontier Models, AI Geopolitics, Robotics | Nathan Benaich, Air Street Capital

The MAD Podcast with Matt Turck · Nathan Benaich

Co-investors · 23

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AndelaCrusoe EnergyMayhemAdept siteProfluent
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Andreessen Horowitz

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Bain Capital Ventures

Bain Capital Ventures is the venture arm of Bain Capital, backing founders from incubation and seed through growth-stage, leveraging Bain Capital's global platform, industry expertise, and network.

$1M – $100M
Entrepreneur First

Entrepreneur First (EF) is a talent investor that helps individuals build and launch startups, providing support such as US visa guidance, office space, fundraising preparation, and investor introductions culminating in a San Francisco Demo Day.

Both backed · 2
AutomataTractable
$1M – $7M
Accel

Accel is a venture capital firm that partners with exceptional founding teams, positioning itself as a first partner to startups globally.

Both backed · 1
$1.6M – $70M
Creandum

Creandum is a venture capital firm that backs early-stage technology companies before their potential becomes obvious.

Both backed · 1
Sereact
$216K – $8.6M
Notion Capital

Notion Capital is a European early-stage venture investor focused on business software companies, run by a team of former entrepreneurs and operators.

Both backed · 1
$1M – $100M
Heartcore Capital

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Gourmey
Isai

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Both backed · 1
$108K – $54M
Marathon Venture Capital

Marathon Venture Capital is a seed-stage investor that leads seed rounds and provides hands-on support and expertise to the founders and companies it backs.

Both backed · 1
Delian AI
$250K – $1M
Big Idea Ventures

Big Idea Ventures is a venture capital fund with startup accelerators focused on solving global challenges in the food innovation space. The firm operates accelerator programs twice yearly across New York City, Singapore, and Paris, investing in alternative protein and food technology startups.

Both backed · 1
Gourmey
$125K – $2.5M
Insight Partners

Insight Partners is a venture and growth-stage software investor featuring a large portfolio of technology companies across multiple sectors and regions.

$120M – $350M
11 more co-investors

Partech VenturesStride VCPoint Nine CapitalDN CapitalSalesforce Japan Co.,Ltd.Amadeus Capital PartnersWalden InternationalConvictionFifty YearsAmino CollectiveHyperchain Capital

Firms observed investing alongside Air Street Capital, from public investor directories. Shared companies are the overlap with Air Street Capital's recorded portfolio.

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