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Heart Aerospace develops hybrid-electric regional aircraft to electrify short-haul commercial flights, backed by United Airlines, Mesa Air, and Bill Gates.
Heart Aerospace is a Swedish electric aviation company founded in 2018 that is developing the ES-30, a hybrid-electric regional aircraft designed to carry 30 passengers on routes up to 400 kilometers. The company is targeting the regional aviation segment where short routes and lower utilization requirements make electric propulsion more economically viable than long-haul jet operations. Heart raised over $100M with backing from United Airlines Ventures, Mesa Air Group, and Breakthrough Energy Ventures, which is funded by Bill Gates. The ES-30 uses a hybrid-electric powertrain with electric motors for takeoff and climb and turbine generators for cruise, allowing the aircraft to operate on existing airport infrastructure while achieving significant emissions reductions compared to conventional turboprop aircraft. Heart is targeting EASA and FAA type certification and has a memorandum of understanding for orders from regional airline partners. The company is based in Gothenburg, Sweden and leverages the European aviation regulatory environment and government support for green aviation technology development.
Raised $900M Series E at $11B valuation (Oct 2025). CEO projects ~$2B in 2026 sales. Launched women's health LLM (Feb 2026). Team USA LA28 Olympic partner.
Oura is the maker of the Oura Ring, a premium smart ring that tracks sleep, recovery, readiness, and health metrics through continuous biometric sensing. The company raised $900 million in Series E financing at an $11 billion valuation in October 2025, reflecting the doubling of its revenue to $500 million in 2024 and a projected $1.5–2 billion in 2026 sales as it expands global distribution into India, UAE, and Latin America.
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