American Electric Power, Chevron and Equinor all participated in a round that increased the Stanford company’s total funding to $228m.

Workday Ventures has returned to back the telehealth platform developer’s series D round, which included Axa Venture Partners, Centene and GuideWell.

American Electric Power, Chevron and Equinor all participated in a round that increased the power generation technology developer's total funding to $228m.

SoftBank Vision Fund led a $75m round valuing OKR platform developer WorkBoard at $800m while therapist network provider Headway hit a $750m valuation.

Citi Ventures has returned to help the administrative support marketplace hike its valuation to over $1bn in a series D round led by Durable Capital Partners.

The CAA-backed video streaming technology increased its valuation to $1bn in a Coatue-led series D round.

Exelon-backed solar and energy efficiency equipment provider PosiGen has added $27m to a first tranche closed in December.

PayPal Ventures has returned to take part in the virtual currency platform developer’s series D round, which secured it a $2.4bn post-money valuation.

Prosus Ventures has reinvested in the commerce services provider through a round valuing it at $400m.

Applied Ventures helped assay provider Ultivue close a $50m round while clean energy producer Sunseap has followed a $72m series D4 round with more corporate funding.