It’s been a different order of magnitude. IBM repurchased approximately half their outstanding stock. This is consistent with a low growth company that doesn’t know how to grow any more. (And isn’t bad - if you can’t produce a return on retained earnings, give them back to shareholders. Buybacks are the most efficient way to do this.)
I can’t explain why they have a PE ratio of 36 though. That’s too high for a “returning capital” mature company. Their top line revenue growth is single digit %s per year. Operating income and EBITDA are growing faster, but there’s only so much you can cut.
You may be right on the quantum computing bet, though that seems like an extraordinary valuation for a moonshot bet attached to a company that can’t commercialize innovation.
Apple and google still do share buy backs and dividends, despite launching new businesses
https://www.ibm.com/roadmaps/