Seed rounds sectors 2026: Four areas drawing $5M to $10M checks
Crunchbase found mid-sized seed deals clustering in proptech, cancer, space tech and robotics as investors back early, ambitious startups.
By Theo Nakamura · Staff Writer
· 4 min read
Seed rounds sectors 2026 are clustering around proptech, cancer-related biotech, space technology and robotics, according to a Crunchbase News review of about 800 global seed financings. For retail investors watching the private-market pipeline, the pattern shows where venture firms are still willing to fund early companies before revenue, scale or public-market validation is clear.
Crunchbase focused on seed rounds between $5 million and $10 million. A seed round is an early startup financing, often used to build the first product, hire a small team or test a business model. Crunchbase said it chose that range to look past the biggest startup financings and closer to the classic seed bet: early, risky and still unproven.
Which sectors are attracting $5M to $10M seed rounds?
Crunchbase identified five recurring themes in the data. It covered cybersecurity separately, then highlighted four more areas where mid-sized seed rounds are showing up: proptech, cancer therapeutics and diagnostics, space and satellite technology, and robotics.
Proptech, short for property technology, covers software and hardware aimed at real estate, construction and building operations. Crunchbase said seed investors are backing startups that want to make planning and construction more efficient, improve rental operations and lower energy use in buildings.
The market is large, even though recent venture funding has been below past peaks. Crunchbase cited a McKinsey & Company estimate that real estate made up roughly two-thirds of global net worth. Crunchbase also said proptech startup investment totaled just over $10 billion last year, well below highs reached several years earlier.
Examples in Crunchbase’s proptech sample included Hint, described as an AI-powered home management system; Optiml, which builds software for real estate decarbonization; and Krane, an AI-enabled construction supply chain platform. Crunchbase said its sample for the sector included 15 companies that raised seed rounds in the $5 million to $10 million range this year.
Why cancer startups are still drawing early checks
Cancer-focused startups are another cluster in the data. Crunchbase pointed to the size and seriousness of the disease area, citing a National Cancer Institute estimate that 39% of Americans will be diagnosed with cancer during their lives. It also cited the Centers for Disease Control and Prevention, which ranks cancer as the second-leading cause of death behind heart disease.
The companies in this group are early stage, so Crunchbase did not present them as near-term answers to cancer outcomes. The funding instead reflects investor interest in startups working on therapeutics and diagnostics that could advance if their science holds up.
Three California companies in Crunchbase’s sample raised $10 million each, the largest rounds in that group. They were Rybodyn, which is working on AI-driven discovery of previously undetected cancer targets; Vivere Oncotherapies, a developer of targeted therapies for solid tumors; and Valius Sciences, which focuses on cancer diagnostics.
Space tech and robotics also show up in the seed data
Space and satellite technology also ranked as a popular area for $5 million to $10 million seed financings, according to Crunchbase. The firm pointed to SpaceX’s IPO as the most visible space-finance event of the year, while noting that smaller early-stage deals were also getting done.
Crunchbase’s space sample included nine companies. The largest in the target range was Lux Aeterna, which is developing reusable satellites. Other examples included InSpacePropulsion Technologies, focused on propulsion systems used in space, and Constellation Space, which is building an operations platform for satellite fleets.
Robotics made the list again after also appearing in Crunchbase’s prior seed-funding analysis focused on AI. Crunchbase said the robotics group was the most geographically spread out among the sectors it highlighted, with companies from Asia, North America, Europe and Australia.
The robotics sample included 18 startups. Crunchbase named Somnia Lab, a developer of what it calls “intimacy robots”; Bubble Robotics, which makes autonomous underwater robots; and Eternal.ag, which is developing robots for greenhouse harvesting.
The takeaway from Crunchbase’s analysis is less about brand-new sectors and more about investor tolerance for early technical risk. Even as larger venture rounds draw more attention, Crunchbase’s data suggests smaller seed checks are still going to companies tackling expensive, complex markets.
This story draws on original reporting from Crunchbase News.