Do stock holdings reflect individual risk preferences or the growing use of target-date funds?

I suspected most financial assets were in 401(k) plans and most 401(k) holdings were directed by target-date funds, but the data told a somewhat different story.

Do stock holdings reflect individual risk preferences or the growing use of target-date funds?
I suspected most financial assets were in 401(k) plans and most 401(k) holdings were directed by target-date funds, but the data told a somewhat different story.