Aftershock 2026 takes place October 1–4, at Discovery Park in Sacramento as the West Coast’s largest rock, punk, and metal festival.

Since our earlier breakdown, Primer 55 and Traverse the Abyss have joined the lineup, while New Found Glory, Cenobia, and Wolfmother have been removed. We used Booking Agent Info’s music industry database to update our research on the agencies behind the line-up.

Sound Talent Group leads with 24% of the lineup, booking acts such as Black Label Society, Sleeping With Sirens, and Set It Off.

IAG follows with 16%, booking Stone Temple Pilots, Sevendust, Limp Bizkit, and others.

UTA booked 9% of the lineup, including Wage War, From Ashes To New, and Starset.

CAA and The Kirby Organization each booked 8%. CAA’s bookings include My Chemical Romance, Pierce The Veil, and Wu-Tang Clan, while The Kirby Organization booked RED, The Union Underground, The Violent Hour, and others.

33 & West and THE·TEAM each booked 6% of the lineup. 33 & West’s bookings include Cavalera Conspiracy, Brujeria, and Soulfly, while THE·TEAM booked Cypress Hill and Public Enemy.

WME booked 5%, including TOOL, Queens of the Stone Age, and Ice-T.

Pinnacle Entertainment booked 3%, including Haywire, PeelingFlesh, and Psychostick, while Dynamic Talent International and Reliant Talent each booked 2%.

Dynamic’s bookings include I Set My Friends On Fire, Alesana, and Oleander, while Reliant booked Horse The Band, Emery, and Hawthorne Heights.

Paladin Artists booked 1% of the lineup, including Sublime and Toadies.

The remaining 10% was booked by a variety of other agencies and artists handling bookings in-house.