JPMorgan, Goldman Sachs and Citi, are Wall Street's most active fintech investors. Here are...

It has been a busy year forfintech investing as money continues to pour into the space. But it's not just venture capital firms making big bets — three of Wall Street's largest members are also in on the action.

Since 2012, Goldman Sachs, Citi, and JPMorgan are the US banks that have made the most investments in fintechs, according to data from CB Insights . This year proved no different, with the trio investing in 22 fintechs so far.

The banks' interest should come as no surprise. Goldman and Citi both run separate investment arms for such deals — Goldman Sachs Strategic Investments andCiti Ventures. And JPMorgan has the largest reported tech budget of US banks at $11.4 billion in 2019.

Read more: VC firms have poured $2.5 billion into fintechs like Chime and Varo this year. It's the latest threat to disrupt Main Street banks.

And while all three aggressively pursue fintechs, their approaches vary.

In 2019, Goldman Sachs showed significant interest in real estate and wealth management, making three deals in each space. JPMorgan has leaned heavily into accounting and tax, funding three startups in that area. Meanwhile, Citi's investments are spread more evenly, touching everything from payments and financial charting to data aggregation.

Find the list below of the startups Wall Street's three biggest players have put money into this year.