Octopus has completed 16 news investments over the past 12 months, including Origami Energy and Streetbees.
The fund, which is 64% larger than the €140m fund raised in 2016, means Octopus now has €1bn under management.
Alliott Cole, Octopus Ventures‘ chief executive officer, said in a statement:
“The resources we now have at our disposal will better equip us to support tech disruptors of the future.”
“The pipeline of high potential, fast growth businesses has never been so strong and we are excited about the seed and early stage ventures we can help scale,” Cole added.
Octopus Ventures, which has offices in London, New York, Shanghai and Singapore, is part of the Octopus Group, which has invested in property, healthcare and energy.
The venture arm of the company was founded over a decade ago and has so far backed 89 companies.
Find out what other UK companies Octopus Ventures has invested in by checking out our UK tech investment tracker.