Bare metal connectivity service provider Packet had raised $36m in funding from investors including Samsung, Dell, SoftBank and JA Mitsui Leasing.

Opt, NTT Docomo, Lilfull, Japan Best Rescue System and Proto Corporation could exit the classified listings platform, which has received approval for a Tokyo IPO.

Spectrum Health and HCA Healthcare both scored exits after medical analytics software provider Lumere was acquired by health software producer GHX.

Visa is buying Plaid four months after investing in it, at a price that doubles the financial data technology provider's 2018 valuation.

The cash-and-share transaction will allow iRobot to exit the telehealth technology developer eight years after it paid $6m for a minority stake.

Target-backed sleep product provider Casper has set a $100m placeholder target for its initial public offering, having been valued at $1.1bn early last year.

Concur and Amadeus both exited travel cost-analysis platform Yapta in an acquisition of undisclosed size that followed more than $22m in funding.

Insight Partners agreed to acquire IoT security software provider Armis in a rollover transaction that featured a $100m commitment from Alphabet. The deal forms part of the IoT space to which corporates have not been indifferent over the past decade.

Salesforce, Dignity Health and McKesson have exited patient engagement software developer Evariant, which had raised more than $86m pre-acquisition.

Frasers Property has expanded its share of the co-working space operator to 22.2% by acquiring $12.4m of additional stock in a secondary share purchase.