Stealth Startup Spy #270 - Y Combinator S25
An early look at the Y Combinator Summer 2025 batch a week before demo day! Full list available for download.
We are giving you early access to the Y Combinator Summer 2025 batch.
Every time a YC founder leaves any clues (publicly or privately) that they have joined an upcoming batch, we get an instant alert via Slack, and our system logs it.
Here are some of the trends from the upcoming Y Combinator Summer 2025 batch.
1. Enterprise & Productivity
April – Voice AI executive assistant
Ambral – AI-powered account managers
Altur – Voice AI agents for debt collection
Lark – Agents that automate repetitive workflows
Pally – AI relationship management
Epicenter – AI brain for your plain text knowledge
Paloma – Natural language quoting & billing
2. Healthcare, Pharma & Bio
Avelis Health – Auditing medical claims
Perspectives Health – Automating EMRs
Parachute – Clinical AI monitoring
Phases – Automating clinical trial recruitment
Novaflow – AI data analyst for biology labs
Fluidize – Run experiments with AI
Pharmie AI – AI pharmacy technician
Evergrove Labs – AI for workers comp
3. Real Estate & Construction
Closera – AI employees for commercial real estate
Planisphere – AI analyst for CRE acquisitions
Wayline – AI voice assistant for real estate managers
Clodo – Real estate agent assistant
PARES AI – AI lead gen for CRE brokers
ContextFort – Automating construction drawing reviews
4. Sales, Marketing & Customer Support
Candytrail – Run your sales funnel and train reps
Orange Slice – Find customers who already want to buy
Minimal AI – AI CS teams for e-commerce
Eden – Brand + customer data → campaign execution
Reacher – Marketing agent for creator collabs
Pond – Agents for text messages
Humoniq – Agents for customer support in travel
5. Engineering, DevTools & Agent Infra
Dedalus Labs – Vercel for AI agents
Fulcrum – Agent debugging and visibility
TraceRoot – AI agents that test and fix apps
Meteor – Agent-native browsers
ZeroEval – Human feedback quality score for agents
Nuntius – Infra for model alignment
6. Industrial, Manufacturing & Supply Chain
Alara – Procurement for dentists
Comena – Order entry for distributors/manufacturers
Fleetline – Fleet planning algorithms
Nox Metals – Modern low-cost metal factories
Tesora – Voice/email agent for procurement in advanced industries
burnt – Food supply chain OS
Parametric – Robotics models for dangerous industries
7. Finance, Insurance & Accounting
Veritus Agent – Voice agents for debt & loan servicing
Magnetic – AI tax prep for CPAs
Finto – AI accounting
Iron Grid – AI Insurance for hardware
Palace – Private investment monitoring
Socratix AI – AI coworkers for fraud and risk teams
IronLedger – Property accounting
8. GovTech, Legal & Compliance
EffiGov – Voice AI for city governments
Vulcan Technologies – AI regulatory drafting
Normal – Compliance for drones/robots
Kalinda – Deep legal research for class actions
truthsystems – Unified governance layer for regulated industries
Sira – AI HR manager for hourly teams
9. Mobile, Apps & Consumer
Blue – Voice assistant for mobile apps
bitrig – Build Swift apps from iPhone
Mobile Operator – QA for mobile apps
Pingo – AI for language learning
RealRoots – Friendship app for women
10. Frontier Tech, Defense & Robotics
Albacore – Autonomous undersea vehicles
Perseus Defense – Guided micro-missiles
Nexa Labs – Implantable cattle tracking chips
Juxta – GPS alternative, no new hardware
Verne Robotics – AI software for robot arms
Material Model – LLM-powered camera interfaces
Duranium – Reshoring critical minerals with clean reactors
Y Combinator’s Summer 2025 Batch has their Demo Day on September 9th, 2025 so this is your early look at all of the startups participating in this event.
FYI - This dataset is a 3-sheet report with full founder profiles and emails, company details and this full market map. (Limit is 50 downloads)
Get early access > Download Full YC S25 Batch List
Most of these founders and companies are not yet listed in the YC directory and we will constantly update the dataset as founders continue to exit stealth.
Stay Stealthy,
Drake
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Stealth Startup Spy is a data-driven newsletter for investors, journalists and tech enthusiasts interested in uncovering the next big move for key talent, real-time stealth company launches and technology advancements not in plain sight. We leverage the technology built at Gravity to shine a light on the hidden world of stealth startups.