We closed an account at one broker and moved the assets to another. Due to a death, all the cost basis are the same date and only 2 years ago (low transaction counts). However, the mutual funds with reinvestment of earnings have ~24 transactions, which are 24 tweaks to cost basis. Which are opportunities to manage capital gains when doing rebalancing. At the receiving broker, they have the correct total cost basis but the transaction history was not given by the sending firm. Which brings me to Fund Manager.
Transfer Between wizard sure looks nice, but creates a new investment with the correct total cost basis with the correct acquisition date (assuming I enter it correctly; doesn't seem to be imported though it's there in the data), but it loses all the transaction history. The practical impact is I lose my ability to do any sales method other than average cost. Did I do something incorrectly?
It seems the better method is to copy the investment from the old to the new broker, and then "close" the investment in the old account. Full history is preserved. The account values seemed to update correctly when I closed it. What's wrong with doing it this way (i.e. what unintended ramifications are there?)