Transverse-momentum spectra of ${\rm D^0}$, ${\rm D_s^+}$, and $\Lambda_{\rm c}^+$ hadrons measured in pp collisions at $\sqrt{s}=13$ TeV for different multiplicity classes selected with the $N_{\rm trkl}$ estimator at midrapidity. The corresponding ratios to INEL>0 are shown in the bottom panels.