Addepar, Inc. is a cloud based American wealth management software platform for RIAs (registered investment advisors) specializing in data aggregation, analytics, and portfolio reporting.

[4] In 2003, Peter Thiel founded Palantir Technologies along with four other founders, including Joe Lonsdale.

[7] The company name is based on a line in Ovid’s Metamorphoses meaning “Add a little to a little and you’ll have a great amount.”.

[8] In 2013, Addepar sought to transition out of start-up mode, replacing Lonsdale with new CEO Eric Poirier previously of Palantir and hiring a COO to start building out the company's management.

[11] In May 2017, Addepar acquired AltX, a machine learning platform aimed at alternative investments.