With a few caveats (BookScan does not represent 100% of the book market, and it’s not clear if Image’s numbers include kids graphic novels, which had a big year in 2014), here are the 2014 market shares for the book channel graphic novel market presented by Image:
20.64% DC Comics
16.48% Image Comics
12.37% Marvel Comics
9.49% VIZ Media
9.59% Random House
6.05% DK Publishing
5.90% Hachette
5.17% Dark Horse Comics
3.06% Taschen
2.59% St. Martin’s Press
Image has two major graphic novel hits, one, The Walking Dead, of unprecedented proportions, and Saga, the other, a significant presence among the top titles month after month.
Image’s market share hit double digits in the comic store market in December (see "Image Share Hits Double Digits").