You'll have to click on each of their holdings since I don't recall which one it was for sure. But, it may have been MS_X. Either way, there's an obvious preference for Nasdaq by the Baker Brothers, for whatever, that tidbit is worth. I was surprised, but, happy to have discovered it.
In Reply to 'thefamilyman' I thought that AMEX is now the NYSE-Mkt?
*I just did a search of Baker Brothers holdings and out of 103 holdings, not one is NYSE-Mkt. They are all Nasdaq except for one AMEX and one NYSE. - KarinCA