Online, via your own login with Investors Trust. In addition to checking the performance, you’ll also have access to the highly-regarded Portfolio X-Ray tool from Morningstar, included in your account access at no extra cost, which will help you check and automatically run analysis through the software for every other important metric, as well as of course the performance, of all 300+ investment funds.
If you want to check the performance of all the different funds before you open an account, you can do that here: