No stock wide assessment of pelagic thresher sharks in the Pacific Ocean has been conducted. Some regional assessments have been conducted. For example, an assessment of pelagic thresher sharks along the US west coast was conducted by the National Marine Fisheries Service in 2018 (Teo et al. 2018).
The International Union for the Conservation of Nature (IUCN) considers this species Vulnerable with a decreasing population trend (Reardon et al. 2009).