Carbon-to-diamond technology developer Aether raised $18m in a Helena-led round while healthcare fintech startup Lynx emerged from stealth with $17.5m from investors including Commonwealth Care Alliance.

The corporate-backed virtual cosmetics app developer’s SPAC merger later this year is set to be boosted by $50m in financing from investors including CyberLink, Chanel, Shiseido and Snap.

Fitness app developer Keep filed for a Hong Kong IPO while construction data software provider OpenSpace secured $102m and Snowflake agreed an $800m acquisition of data technology producer Streamlit.

Podcast hostings platforms are continuing to haul in money, Naver having backed Pocket FM in its series C round.

Subsidiaries of Lennar and JLL helped provide $400m for homebuilder Veev while Sinar Mas is supplying $200m for digital wallet developer Dana.

South Africa-based cryptocurrency exchange Valr and healthcare operations software developer Qventus each raised $50m in corporate-backed rounds.

Data analytics engineering group DBT Labs closed a $222m series D round including several corporates while 4Paradigm has filed an IPO prospectus again after its earlier attempt expired.

Verizon-backed video software provider Beamr Imaging has filed to go public while cancer screening technology developer Mirxes raised $87m.

SoftBank Vision Fund 2 took part in a $230m round for Gousto, a $102m round for Plexium and RightHand Robotics' $66m series C round.