Another billion dollars for AirbnbNews / Distribution | OnlineBy Martin Cowen | March 10, 2017Share This article was originally published on Airbnb's latest SEC filing showing another billion dollars has been added to its warchest.The filing also shows that 40 investors were involved in the round, which reportedly values the business at $31 billion.Coverage is also saying the business was profitable in the second half of 2016 and expects to be in the black for 2017."Sources close to the company" are also quoted widely as saying that the billion dollar fundraising round means that there are currently no plans for an IPO.Related reading from Tnooz:Airbnb splashes out on Luxury Retreats in order to grow into new segment (Feb 17) Airbnb – never mind the volumes, look at the growth (Jan 17) Airbnb and third party distribution – and so it begins again? (Dec 16)NB Image by Loskutnikov Maxim/BigStock Airbnb