SpaceX raised a total of $1.5 billion this year, following $337 million of fundraising in December

• SpaceX has raised $337 million in a new funding round, per a regulatory filing on Wednesday.
• This means Elon Musk's company has raised a total of nearly $1.5 billion this year.

SpaceX, the private aerospace manufacturer founded by Elon Musk, has fundraised nearly $1.5 billion this year, including $337 million in December, according to a regulatory filing on Wednesday.

SpaceX raised $850 million in February, sending its valuation soaring to around $74 billion. The company then added $314 million to the pot, bringing its new total equity raised to $1.16 billion, according to a securities filing in April, reported by CNBC.

SpaceX didn't immediately respond to Insider's request for comment about the recent funding round.

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SpaceX became the second-most valuable private company in October when its valuation skyrocketed to $100 billion — a 33% jump from its February valuation of $74 billion.

The space company is accumulating cash as it continues to launch rockets, complete missions, and pursue its satellite internet service, Starlink.

Musk said in November that SpaceX plans to launch its Starship spaceship into orbit for the first time in January, but warned during a video call with members of the National Academy of Sciences that the initial flight might not succeed.

SpaceX's ambition to land humans on Mars will happen in 10 years' time, in the worst-case scenario, Musk said in an episode of the Lex Fridman Podcast released on Tuesday.