According to a piece from the Wall Street Journal, Pokémon Go creator Niantic is in the process of raising a $200 million round expected to be led by Institutional Venture Partners (IVP) with participation from strategic investors Samsung and e-sports company aXiomatic at a $3.9 billion valuation.

This round marks a $900 million jump from a previous $3 billion valuation. Niantic has now taken on $425 million in funding so far (according to Crunchbase) with this round providing more capital to fuel its operations.

Niantic is responsible for hit augmented reality games Pokémon Go and Ingress Prime and is also developing one based on the Harry Potter series. Dubbed Harry Potter: Wizards Unite, It’s being created in partnership with Warner Bros. Interactive Entertainment and WB Games San Francisco and will allow players “explore real-world neighbourhoods and cities to discover mysterious artifacts, learn to cast spells, and encounter legendary beasts and iconic characters along the way.”

A new title development will likely be a reason for new funding, accounting for costs associated with creating games and also an opportunity for strategic investors to get in. (As of writing), Niantic hasn’t released an official statement yet, We’ll update when it does.