The only option that we have for connecting investment account is Plaid which fails to split my stocks into vested and unvested. This make messes up my net worth calulation.

Consider this if someone just joined their company and got a 100k RSUs and connects Morgan Stanley to Nerd wallet using Plaid then suddenly their net worth is 100k which is a false statement.

Other platforms use services like MX to solve this issue. The only workaround I have found in Nerd Wallet is to use the Manual entry which defeats the whole purpose of using Nerd wallet to automatically track  net worth.