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.

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.

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.

GS Energy helped hydrogen sensor developer H2scan raise $70m while London Stock Exchange is buying Goldman Sachs-backed trading technology developer Tora for $325m.

Neobank Atom raised $102m in a round co-led by financial services firm BBVA while SG Fleet and Copec helped Zoomo boost its series B to $80m.

Homebuilder Icon boosted a corporate-backed series B round to $392m while FTX, Munich Re and Alphabet contributed to IoT technology developer Helium's $200m series D.

Databricks participated in a $13m round for the data migration software provider two months after forming its corporate venturing unit.