Fundraising FoxGrey Street Partners
Crossover fundMelbourne · Seed–Growth · 1 people tracked
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Investment thesis
GSP pursues global growth investing based on the view that a company's share price is largely driven by expected earnings growth. Using a bottom-up approach, the firm identifies structurally growing businesses early in their growth cycle and builds a high-conviction, concentrated portfolio of 20-40 companies, emphasizing long-term capital growth and preservation. Its Global Growth Fund runs a long/short total-return strategy combining company-level research with broader thematic insights, while managed portfolios use cash and tactical ETFs to manage risk during market volatility. Strategies span public-market themes including AI, semiconductors, robotics, space, energy, fintech, cybersecurity and healthcare, and are offered primarily to wholesale clients.
Source: firm website, verified Oct 2, 2026.
Team · 1 people
from public directoriesWhat they invest in
from 8 of 8 portfolio companiesAI & Machine Learning ×4Advanced Manufacturing ×3Enterprise Software ×3Biotech ×2Developer Tools ×2Healthtech ×2Robotics ×2Data & Infrastructure ×1
HQs:United States×7Canada×1
Investments · 8 tracked
founders shown can be your intro path
AxionOrbital Space develops AI models that convert synthetic aperture radar data into optical-like imagery, enabling continuous Earth observation regardless of cloud cover or time of day.
Advanced ManufacturingSpace TechSan Francisco, US
Dhenenjay Yadav(Founder)inAtharva Peshkar(Founder)in
Co-investorsPioneerY CombinatorCCL Investments SaRLCharacterFounders FutureHassan Lantry (Blast)+5 more
General Trajectory develops artificial intelligence applications for physical-world challenges, with focus areas including autonomous systems and scientific research.
Advanced ManufacturingAI & Machine LearningRoboticsSan Francisco, US
Joshua Belofsky(Founder)in
Co-investorsY Combinator
hiloop provides snapshottable, forkable compute infrastructure with built-in observability for AI agents that propose, run, and verify experiments (autoresearch).
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Karan Brar(Founder/CEO)inThomas Boser(Founder/CTO)in
Co-investorsRedbud Trail GroupTranspose Platform ManagementVela PartnersY CombinatorAndreessen HorowitzAV Capital+11 more
Kopra Bio develops cancer immunotherapy technology that converts cancer cells into biofactories to produce their own destruction.
BiotechHealthtechMedical DevicesSan Francisco, US
Alexander Haddad(Founder)in
Co-investorsBoutique Venture PartnersChamaeleonLexi VenturesMetaplanetMythos Ventures Management, LlcPioneer+13 more
Mosaic offers a tool that aggregates and centralizes AI coding sessions in one place, distributed via a Homebrew package for developers and AI agents.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US
Shubham Patil(Founder)inDorsa Rohani(Founder)in
Co-investorsVela PartnersY CombinatorOurCrowdRadical Ventures
Splash9 manufactures autonomous surface vessels (ASVs) for maritime applications including coastal defense, harbor patrols, seabed mapping, and infrastructure security.
Advanced ManufacturingDefense TechHardwareRoboticsLos Angeles, US
Ivan Avanesov(Founder)inMarcell Veszpremi(Founder)in
Co-investorsSterling RoadUbiquity VenturesY Combinator468 CapitalAccompliceAcies Investments+9 more
Talking Computers uses AI-driven agents to optimize machine learning training and inference infrastructure, working across multi-week engagements to run parallel experiments and improve performance on customer workloads, including GPU kernel acceleration and model latency.
AI & Machine LearningEnterprise SoftwareToronto, CA
Zayaan Mulla(Founder)inParsa Bahraminejad(Founder)in
Co-investorsPioneerY CombinatorGeneral AdvanceNorthside VenturesPerpetual VCRobinhood
TareBio operates a platform for developing personalized and population-level vaccines against cancer and infectious diseases by analyzing immune cells already responding to a disease and reverse-engineering the antigens that activate them.
BiotechHealthtechSan Francisco, US
Eta Atolia(Founder)in
Co-investorsY CombinatorCCL Investments SaRLDoomers Media LLCDTA Capital Advisors, LLCEight Capital
Portfolio news
latest coverage across their companiesTareBio · ycombinator.com · Aug 4, 2026
hiloop · ycombinator.com · Jul 29, 2026
Talking Computers · ycombinator.com · Mar 4, 2026
AxionOrbital Space · ycombinator.com · Jan 6, 2026
General Trajectory · ycombinator.com · Jan 5, 2026
Frequently asked questions
- How many investments has Grey Street Partners made?
- Grey Street Partners has 8 tracked investments.
- What stage does Grey Street Partners invest at?
- Grey Street Partners invests at the Seed, Growth stages.
- What is Grey Street Partners's typical check size?
- Grey Street Partners typically writes checks of $50K.
- What sectors does Grey Street Partners focus on?
- Grey Street Partners focuses on Advanced Manufacturing, AI & Machine Learning, Cybersecurity, Energy, Enterprise Software, Fintech, Healthtech, Robotics, SaaS, Semiconductors, Space Tech.
- Where is Grey Street Partners located?
- Grey Street Partners is headquartered in Melbourne, AU.