Abstract
Many models of physics beyond the Standard Model (SM) feature the existence of new particle states with enhanced couplings to quarks of the third generation. In run-2 of the LHC, the high centre-of-mass energy ($\sqrt{s}$) of $pp$ collisions enables searches for theses new states up to mass regions not accessible before. For the identification of the boosted decay products powerful new reconstruction tools have been developed using e.g. the substructure of hadronic jets or dedicated lepton-isolation requirements. In this article an overview is presented of searches for new resonances decaying to top quarks as performed by the CMS collaboration in data collected during the years 2015 and 2016 at $\sqrt{s}=13$\,TeV. This includes searches for $t\bar{t}$ and $tb$ resonances, resonances with decays to a SM top quark and a vector-like $T$ quark, as well as excited top quarks.
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