Financial details were not disclosed.
Combating money laundering, human trafficking and terrorist financing are top priorities for banks, ABN AMRO said.
"Our investment in ThetaRay strengthens the current operational relationship between the bank and ThetaRay," said Hugo Bongers, director of ABN AMRO Digital Impact Fund.
ThetaRay has raised more than $60 million from investors including Jerusalem Venture Partners, General Electric, Bank Hapoalim and Israel’s OurCrowd.
(Reporting by Tova Cohen)