Just months after it announced a $33 million Series B, Chicago-based M1 Finance today disclosed a $45 Series C. Per M1, the Series C comes just 120 days after it raised a Series B. A good question is why M1 has raised more capital, and why Left Lane Capital wanted to lead two rounds for the consumer-focused fintech provider. Going back to our prior coverage, we can figure it out. In February, we reported that M1 Finance had reached the $1 billion assets under management mark, or AUM.