Halloween Blu-ray collection from Scream Factory :) 2018, Kills, and Ends are from Universal but still thought I'd include them too : r/boutiquebluray
Halloween (7" + Blu-Ray Box Set)
Blu-ray Box Set - Halloween: The Complete Collection - Anchor Bay Entertainment - USA
Halloween Blu-ray (The Complete Collection Edition)
Halloween Film Collection I - VIII - Blu-ray Forum
Halloween Film Collection I-VIII Blu-ray (DigiBook) (Italy)
UHD/Blu-ray
Buy Halloween/Halloween Kills/Halloween Ends Box Set Blu-ray | GRUV
Halloween The Complete Collection (Blu-ray)
Amazon.com: Halloween: The Complete Collection[Blu-ray] : Jamie Lee Curtis, Josh Hartnett, Joseph Gordon –Levitt, Donald Pleasence, Danielle Harris, Adam Arkin, John Carpenter, Rob Zombie: Movies & TV