Right now, yes. Quite often, no. I like to try things. Sometimes the basses I try become my favorites, and sometimes not so much.
My most recent is my favorite ever. I asked
@MarkoYYZ for some very specific features and it turned out fantastic. It combines features from many of my other favorites over the years.
Behold, the Hammersmith TF-5 (OK, that's not what Marko called but I can dream, Right?

)
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Blacked out like a Carvin LB76 I owned years ago.
35" scale and 19mm spacing from my old trusty Ibanez BTB.
P bass body shape, simple volume and tone and neck pickup from my USA Precision 5 string.
Dual coil bridge pickup with series/single/parallel switch, and neck/both/bridge selector from my Fender Roscoe Beck Signature V I used to own. So, I guess the short answer to your question is that my newest bass is ALL of my favorite basses.