Walden Catalyst Ventures, co-founded by several alumni of Samsung's corporate venturing programme, has closed its inaugural fund.

The Amazon, Carrier, AGL Energy and Just Energy-backed smart thermostat producer is set to be taken over by Generac Holdings in a deal that could reach $770m.

The public relations group’s newly formed VSC Ventures unit has raised $7m from undisclosed limited partners and will target climatetech startups.

Existing investor Lennar returned to back the modular homebuilder in a round led by Gigafund, bringing its overall funding to over $71m.

Cell therapy developer Hopstem completed a $40m Eli Lilly-backed series B round while cybersecurity technology developer SlashNext secured $26m from investors including Telia and Ayala Group.

The Prosus and Benesse-backed online skills learning marketplace priced its shares at the top of their range to raise approximately $421m.

The Merck & Co and Roche-backed Duchenne muscular dystrophy drug developer has gone public in an upsized IPO sized at approximately $182m.

Henry Crown and Company achieved an exit as the root canal technology developer listed on the New York Stock Exchange below its IPO range.

Chiesi, Lundbeck and Li-Cor Biosciences scored exits as the oncology therapy developer floated in an upsized $75.6m initial public offering.

Dell, Wipro and Wells Fargo participated in a series C round which lifted the database platform developer's overall funding to over $290m.