One of those places (like HP, Oracle and Broadcom, and also CA back in the day) where once good companies go to die.
Some of this is obvious (linux and mainframes aren't a bad combo). Some of it I'm a bit surprised by (openshift revenue seems strong).
Probably already basically returned purchase price in revenue and much more than purchase price in market cap.
A noticeable thing is
Most of the these type plays the home page has stacked toolbars / marketing / popups / announcements from the parent company and their branding everywhere (IBM XXX powered by Redhat)... I see very little IBM logo or corporate pop-up policy jank on redhat.com.