if measuring by amount invested... Steem (by default, cuz I've earned everything here and have kept have locked in which provides the means to ensure bills get paid), then Ethereum, Agoras/Tauchain, and Bitshares.
if that weren't a factor... Ethereum would probably still be #1, with the other contenders - perhaps more based on curiosity as to what they can achieve and fundaments - being Cardano, Iota, and EOS.
Interesting question - was overlooking portfolio, trying to answer this - actually feel a fair amount of detachment, with none in particular really standing out as "favorites," but merely each serving their own place in the blockchain revolution...
Isn't EOS technology better than ETH? That's what I believed.
supposed to be, yes.
though, I dunno if they'll still be able to claim that once Ethereum implements scaling solutions like Plasma. And EOS has a long ways to catch up in network growth and effects...