Iris Dorbian

New York and San Francisco-based Nuvation Bio Inc, an oncology startup, has secured $275 million in Series A financing. Omega Funds led the round.

Vacasa, a vacation rental management platform, has secured $319 million in funding. Silver Lake led the round with participation from Riverwood Capital, Level Equity and NewSpring.

London-based Greensill, a provider of working capital finance for companies, has raised $655 million in funding. The backer was SoftBank Vision Fund.

Braintree, Massachusetts-based Green Rabbit, an e-commerce cold chain logistics provider to the food industry, has raised $31 million in funding. The investor was Guidepost Growth Equity.

Canada Jetlines Ltd, a Vancouver-based ultra-low-cost carrier airline, is postponing its planned December launch after failing to secure financing from its investment partners SmartLynx and InHarv Partners, a South Korean venture capital and private equity firm. SmartLynx had originally committed $40 million in financing to Jetlines while InHarv had previously agreed to provide up to $14 million in  financing. A relaunch date will not be announced until funding is secured. Also, as a result of the launch postponement, Jetlines is laying off most of its employees except for a core team led by the executive chairman who will continue to try to secure financing.

Ottawa, Canada-based Cord3 Innovation Inc, a data-centric cybersecurity company, has $2 million in funding. The investor was BDC Capital's growth and transition capital unit. The capital will be used to enable Cord3 to scale its solutions.

Paris-based Prophesee SA, a provider of an advanced neuromorphic vision system, has raised $28 million in funding. European Investment Bank led the round with participation from other investors that included iBionext, 360 Capital Partners, Robert Bosch Venture Capital and Supernova Invest.

Boston-based Activ Surgical, digital intelligence company focused on improving surgical efficiency, accuracy, patient outcomes and accessibility, has raised $11 million in funding. DNS Capital led the round.

Sharecare, a digital health company that helps people manage all their health in one place, has raised an undisclosed amount of funding. The backer was Aflac Corporate Ventures, the corporate ventures arm of Aflac Incorporated. Goldman Sachs was financial adviser to Sharecare on the deal.

Ribbon, a real estate firm, has raised $330 million in equity and debt financing. This transaction includes a $30 million Series B round of funding led by Greylock and a debt facility from Goldman Sachs. Bain Capital Ventures, NFX and NYCA are among the investors that participated in the Series B round.