Honestly, I don't know - but I'm not willing to bet either way: don't forget there's a _huge_ contingent of people at companies of all sizes that figured out VBA in Office by themselves and write software internally at work who don't identify with us, the HN fringe, who only code in the office, on a company-provided desktop.
I've only ever seen (and experienced first-hand) software companies and startups issuing laptops as-standard instead of desktops twice in my whole career, all other companies I've either worked for, or worked with, preferred desktops.
At my current company we interface with a lot of independent contractors and I have noticed that exclusive laptop use is far more common there - but it's still at-odds with my own personal experience.
